Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of Novel test section test tubeProblem.
To achieve the above object, the utility model provides the following technical solutions：A kind of Novel test section test tube, including bottomSeat, the top of the pedestal are equipped with supporting table, and the top of the supporting table is equipped with test tube, on the left of the outer wall of the test tube fromGraduation mark is equipped under, the top of the test tube is socketed with sealing cover, the outer wall top dead center position peace of the sealing coverEquipped with cylinder, the inner cavity of the cylinder is equipped with sealing plate, and through-hole is equipped at left and right sides of the inner wall of the sealing cover, described logicalThe inner cavity top in hole is equipped with locating rod, and the locating rod is connected by positioning seat with sealing plate, the bottom end or so of the sealing coverBoth sides are mounted on guide rod, and the bottom end of the guide rod is equipped with limiting plate, and the outer wall of the guide rod is socketed with guide sleeve,The guide sleeve is connected by resetting spring with sealing cover, and the inside of the guide sleeve is equipped with lifting seat, and the lifting seat passes throughConnecting rod is connected with guide sleeve, and the lifting seat is connected by elevating lever with sealing plate, and the elevating lever is through the outer of sealing coverThe junction of wall, the sealing cover and test tube is equipped with gasket.
Preferably, the front of the supporting table is equipped with framework, and the inner wall of the framework is equipped with designation card.
Preferably, the right side of the test tube is equipped with elastic band, and the elastic band is connected by fixed seat with test tube.
Preferably, the bottom end of the pedestal is equipped with securing plate.
Compared with prior art, the utility model has the beneficial effects that：The Novel test section test tube, by sealing cover, closeCylinder is connected by the cooperation of sealing plate and lifting seat with vacuum pump, and sealing plate moves upwards under the action of vacuum pump suction, sealingPlate drives locating rod to be detached with through-hole by positioning seat, and sealing plate drives guide sleeve edge by elevating lever, lifting seat and connecting rodThe outer wall upward sliding pressed home spring of guide rod, the air in test tube is sucked by through-hole in vacuum pump, waits for test tubeUnder vacuum state, vacuum pump external power supply is cut off, guide sleeve restores initial bit under the elastic reactance of resetting springSet, guide sleeve by connecting rod, lifting seat, elevating lever, sealing plate and positioning seat drive locating rod be inserted into through-hole in, to through-hole intoRow sealing, sealing cover are in vitro fixed on the top of test tube under the action of pull of vacuum, are sealed to test tube, to significantlyThe leakproofness improved to test tube, prevent the sample stored in test tube to be contaminated.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the sealing cover schematic cross-sectional view of the utility model；
Fig. 3 is the locating rod schematic cross-sectional view of the utility model；
Fig. 4 is the test tube schematic cross-sectional view of the utility model.
In figure：1, pedestal, 2, supporting table, 3, test tube, 4, graduation mark, 5, sealing cover, 6, cylinder, 7, sealing plate, 8, through-hole,9, locating rod, 10, positioning seat, 11, guide rod, 12, limiting plate, 13, guide sleeve, 14, resetting spring, 15, lifting seat, 16, evenExtension bar, 17, elevating lever, 18, gasket, 19, framework, 20, designation card, 21, elastic band, 22, fixed seat, 23, securing plate.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility modelClearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than wholeEmbodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative workThe every other embodiment obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of Novel test section test tube, including pedestal 1,The top of pedestal 1 is equipped with supporting table 2, and the top of supporting table 2 is equipped with test tube 3, and test tube 3 has high temperature resistant and corrosion-resistant etc. specialProperty, it is equipped with graduation mark 4 from top to bottom on the left of the outer wall of test tube 3, graduation mark 4 indicates the storage capacity of sample in test tube 3,The top of test tube 3 is socketed with sealing cover 5, and sealing cover 5 is sealed test tube 3, the outer wall top dead center position installation of sealing cover 5There are cylinder 6, the inner cavity of cylinder 6 that sealing plate 7 is installed, through-hole 8, the inner cavity of through-hole 8 are equipped at left and right sides of the inner wall of sealing cover 5Top is equipped with locating rod 9, and locating rod 9 is sealed through-hole 8, and locating rod 9 is connected by positioning seat 10 with sealing plate 7, sealingIt is mounted on guide rod 11 at left and right sides of the bottom end of lid 5, the bottom end of guide rod 11 is equipped with limiting plate 12, the outer wall of guide rod 11It is socketed with guide sleeve 13, limiting plate 12 limits guide sleeve 13, prevents guide sleeve 13 from being detached with guide rod 11, guide sleeve 13It is connected with sealing cover 5 by resetting spring 14, resetting spring 14 is socketed in the outer wall of guide rod 11, and resetting spring 14 is spiral bulletSpring, coefficient of elasticity 30N/CM, resetting spring 14 are stretched or are generated after squeezing elastic deformation, restore to first after removing external forceThe inside of beginning state, guide sleeve 13 is equipped with lifting seat 15, and lifting seat 15 is connected by connecting rod 16 with guide sleeve 13, lifting seat 15It is connected with sealing plate 7 by elevating lever 17, elevating lever 17 runs through the outer wall of sealing cover 5, which is sealed to test tube 3When, sealing cover 5 is socketed in the top of test tube 3, cylinder 6 is connected with vacuum pump, vacuum pump starts work after connecting external power supplyMake, sealing plate 7 moves upwards under the action of vacuum pump suction, and sealing plate 7 drives locating rod 9 and through-hole 8 by positioning seat 10Separation, at the same time, sealing plate 7 drive lifting seat 15 to move upwards by elevating lever 17, and lifting seat 15 passes through 16 band of connecting rodFor action-oriented set 13 along the outer wall upward sliding pressed home spring 14 of guide rod 11, resetting spring 14 generates bullet after being squeezedProperty deformation, the air in test tube 3 is sucked into vacuum pump by through-hole 8, waits for that test tube 3 is under vacuum state, cut off vacuum pumpExternal power supply, vacuum pump are stopped, and guide sleeve 13 restores initial position under the elastic reactance of resetting spring 14, are oriented toSet 13 drives locating rod 9 to be inserted into through-hole 8 by connecting rod 16, lifting seat 15, elevating lever 17, sealing plate 7 and positioning seat 10, rightThrough-hole 8 is sealed, and sealing cover 5 is fixed on the top of test tube 3 in test tube 3 under the action of pull of vacuum, is carried out to test tube 3 closeThe junction of envelope, sealing cover 5 and test tube 3 is equipped with gasket 18, and gasket 18 is made of rubber material, improve sealing cover 5 withThe front of leakproofness between test tube 3, supporting table 2 is equipped with framework 19, and the inner wall of framework 19 is equipped with designation card 20, and framework 19 is rightDesignation card 20 is fixed, and designation card 20 indicates the type of sample stored by test tube 3, and the right side of test tube 3 is equipped with elasticBand 21, elastic band 21 are connected by fixed seat 22 with test tube 3, and elastic band 21 and fixed seat 22 prevent from falling off when hand-held test tube 3, bottomThe bottom end of seat 1 is equipped with securing plate 23, and securing plate 23 improves the intensity of pedestal 1, extends the service life of pedestal 1.
Sealing cover 5 is socketed in the top of test tube 3 by the device when being sealed to test tube 3, by cylinder 6 and vacuum pumpIt is connected, vacuum pump is started to work after connecting external power supply, and sealing plate 7 moves upwards under the action of vacuum pump suction, sealing plate 7By positioning seat 10 drive locating rod 9 detached with through-hole 8, at the same time, sealing plate 7 by elevating lever 17 drive lifting seat 15 toUpper movement, lifting seat 15 drive guide sleeve 13 along the outer wall upward sliding pressed home spring of guide rod 11 by connecting rod 1614, resetting spring 14 generates elastic deformation after being squeezed, and the air in test tube 3 is sucked by through-hole 8 in vacuum pump, waits tryingPipe 3 is under vacuum state, cuts off vacuum pump external power supply, and vacuum pump is stopped, bullet of the guide sleeve 13 in resetting spring 14Property reaction force under restore initial position, guide sleeve 13 passes through connecting rod 16, lifting seat 15, elevating lever 17, sealing plate 7 and positioningSeat 10 drives locating rod 9 to be inserted into through-hole 8, is sealed to through-hole 8, and sealing cover 5 is solid under the action of pull of vacuum in test tube 3It is scheduled on the top of test tube 3, test tube 3 is sealed, to greatly improve the leakproofness to test tube 3, prevents storage in test tube 3The sample deposited is contaminated, and when being opened to sealing cover 5, pulls up sealing plate 7, sealing plate 7 passes through 10 band of positioning seatDynamic locating rod 9 is detached with through-hole 8, and extraneous air is entered to by through-hole 8 in test tube 3, the air pressure in test tube 3 and extraneous phaseTogether, sealing cover 5 is pulled up, sealing cover 5 is detached with test tube 3.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " inThe orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closedSystem is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather thanIndicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannotIt is construed as a limitation of the present invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction orIt implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result,Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " GuCalmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be withIt is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this fieldFor those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiiedChange, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.