CN217879062U

CN217879062U - Double-closing type micro-titration tube

Info

Publication number: CN217879062U
Application number: CN202222232408.4U
Authority: CN
Inventors: 杨晓倩; 刘岚铮; 曹小丽; 张鑫
Original assignee: Jinan Municipal Center For Disease Control & Prevention
Current assignee: Jinan Municipal Center For Disease Control & Prevention
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-11-22
Anticipated expiration: 2032-08-24

Abstract

The utility model provides a double close formula micro-titration pipe relates to chemical detection instrument technical field, including a frame foundation, the top of frame foundation is inserted and is established and install the telescopic link, and the inside of telescopic link is inserted and is established and install the threaded rod, and the surface of telescopic link is equipped with the ring channel, and the threaded rod has the take-up housing through ring channel slidable mounting, and the cradling piece is installed through the round pin axle in the surface of take-up housing, and the magnifying glass is installed at the top of cradling piece, and the surface symmetry of take-up housing installs the stopper, and the spacing groove has been seted up on the surface of cradling piece, and spacing groove and stopper are matchd each other. This kind of doublet formula micro-buret passes through the design of folding formula magnifying glass, can effectually observe the position of awaiting measuring liquid, produced error when reducing the observation to can improve measuring precision.

Description

Double-closing type micro-titration tube

Technical Field

The utility model belongs to the technical field of a chemistry detects the instrument, more specifically says, in particular to doublet formula micro-titration pipe.

Background

Burettes are the main measuring devices used in titrimetric methods and can be divided into two types: one is acid burette, the other is basic burette, the lower end of the acid burette is provided with a glass piston, acid or oxidizing titration liquid can be filled, and basic titration liquid can not be filled, because the basic titration liquid can lead the piston to be bonded with the piston sleeve and is difficult to rotate, the basic burette is used for containing the basic titration liquid, the lower end of the basic burette is connected with a rubber tube, glass beads are placed in the rubber tube to control the outflow of the solution, and the lower end of the rubber tube is connected with a sharp-mouth glass tube. Any solution that can react with the rubber tube, such as potassium permanganate, iodine, etc., cannot be put into the basic burette.

The acid burette and the alkaline burette are usually observed by naked eyes in the using or testing process, and the scales on the surfaces of the acid burette and the alkaline burette are smaller, so that the detection result is easily influenced by larger detected data deviation.

Therefore, in view of the above, the present invention provides a double-junction microtiter tube by improving the existing structure and defects, so as to achieve the purpose of having more practical value.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a purpose and efficiency of doublet micro-buret reach by following concrete technical means:

the utility model provides a little buret of doublet formula, includes a frame foundation, the top of frame foundation is inserted and is established and install the telescopic link, the inside of telescopic link is inserted and is established and install the threaded rod, the surface of telescopic link is equipped with the ring channel, just the threaded rod has the take-up housing through ring channel slidable mounting, the cradling piece is installed through the round pin axle in the surface of take-up housing, the magnifying glass is installed at the top of cradling piece, the stopper is installed to the surface symmetry of take-up housing, the spacing groove has been seted up on the surface of cradling piece, just spacing groove and stopper match each other.

Furthermore, a fixing plate is sleeved on the sleeve rod, a pair of through holes are symmetrically formed in the upper end face of the fixing plate, one of the through holes is internally inserted with an acid burette, the other through hole is internally inserted with an alkaline burette, and the surfaces of the acid burette and the alkaline burette are provided with scale marks.

Furthermore, adjusting hand wheel is installed at the top of threaded rod, just adjusting hand wheel's outer wall is equipped with anti-skidding line.

Furthermore, the tops of the acid burette and the alkaline burette are both provided with a grinding plug, and the surface of the grinding plug is provided with a V-shaped groove.

Furthermore, the sleeve rod is made of metal, and a zinc coating layer is arranged on the surface of the sleeve rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses, use through the cradling piece cooperation magnifying glass, can make the magnifying glass rotate to the position that the buret observed through the mode of rolling over, conveniently carry out the reading and handle, the magnifying glass can enlarge scale numerical value simultaneously, improves the accuracy; through the design of adjusting hand wheel, can adjust the overall height of take-up housing to the scale numerical value of being convenient for the magnifying glass observation measurement liquid, thereby can improve the accuracy, through the design of dull polish stopper, can prevent that the foreign matter from entering into in acid buret and the alkaline buret.

Drawings

Fig. 1 is a three-dimensional schematic view of a double-closing type micro burette of the present invention.

Fig. 2 is a schematic view of point a in fig. 1 of a double-closing type microtiter tube of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a support base; 2. a quill rod; 3. a fixing plate; 4. an acid burette; 5. an alkaline burette; 6. adjusting a hand wheel; 7. a magnifying glass; 8. grinding a sand plug; 9. a threaded rod; 10. a slider seat; 11. a limiting block; 12. a pin shaft; 13. a support rod; 14. a limiting groove.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 2:

the utility model provides a double close formula micro titration pipe, including a support frame 1, the top of support frame 1 is inserted and is established and install sleeve rod 2, sleeve rod 2's inside is inserted and is established and install threaded rod 9, sleeve rod 2's surface is equipped with the ring channel, just threaded rod 9 has take-up housing 10 through ring channel slidable mounting, take-up housing 10's surface installs cradling piece 13 through round pin axle 12, magnifying glass 7 is installed at the top of cradling piece 13, stopper 11 is installed to take-up housing 10's surface symmetry, spacing groove 14 has been seted up on cradling piece 13's surface, just spacing groove 14 matches each other with stopper 11, uses through cradling piece 13 cooperation magnifying glass 7, can make 7 rotation to the position that the buret was observed through the mode of turning over a book, conveniently carries out reading processing, and magnifying glass 7 can enlarge scale numerical value simultaneously, improves the accuracy.

Wherein, the cover is equipped with fixed plate 3 on the telescopic link 2, a pair of through-hole has been seted up to the up end symmetry of fixed plate 3, one of them the through-hole is interior to be inserted and to establish and install acid buret 4, another it installs alkaline buret 5 to insert to establish in the through-hole, just the surface of acid buret 4 and alkaline buret 5 all is equipped with the scale mark, through the settlement of scale mark, can accurately carry out the reading.

Wherein, adjusting hand wheel 6 is installed at the top of threaded rod 9, just adjusting hand wheel 6's outer wall is equipped with anti-skidding line, through adjusting hand wheel 6's design, can adjust the overall height of slider seat 10 to the scale numerical value of being convenient for magnifying glass 7 observation measurement liquid, thereby can improve the accuracy.

Wherein, the frosting stopper 8 is all installed at the top of acid buret 4 and alkaline buret 5, just frosting stopper 8's surface is equipped with V type groove, through frosting stopper 8's design, can prevent that the foreign matter from entering into in acid buret 4 and the alkaline buret 5.

Wherein, the telescopic link 2 is the metal material, just the surface of telescopic link 2 is equipped with the galvanizing coat, through the design on galvanizing coat, can increase the holistic life of telescopic link 2, extension equipment live time.

The specific use mode and function of the embodiment are as follows:

the utility model discloses, with the leading-in to corresponding buret of the acid-base attribute of volume of awaiting measuring solution according to self, and carry out the processing of stopping tight through dull polish stopper 8, when the position of solution in the buret is observed to needs, rotate earlier adjusting hand wheel 6 and make take-up housing 10 rise or descend the processing, stop adjusting hand wheel 6 and rotate after take-up housing 10 reachs corresponding position, stir the bracing piece 13 according to the solution position of required observation and empty on waiting the buret position of observing, the tester can carry out the reading to the scale numerical value on buret surface according to magnifying glass 7 can, stir the bracing piece 13 once more and can accomplish the observation when the numerical value of opposite side is observed to needs, this kind of doublet formula micro buret is through the design of folding formula, can effectually observe the position of volume of awaiting measuring liquid, reduce produced error when observing, thereby can improve measuring precision.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A doublet microtiter tube, comprising a support base (1), characterized in that: the top of support frame seat (1) is inserted and is established and install telescopic link (2), the inside of telescopic link (2) is inserted and is established and install threaded rod (9), the surface of telescopic link (2) is equipped with the ring channel, just threaded rod (9) have slider seat (10) through ring channel slidable mounting, cradling piece (13) is installed through round pin axle (12) in the surface of slider seat (10), magnifying glass (7) are installed at the top of cradling piece (13), stopper (11) are installed to the surface symmetry of slider seat (10), spacing groove (14) have been seted up on the surface of cradling piece (13), just spacing groove (14) and stopper (11) match each other.

2. A double-in microtiter tube according to claim 1, wherein: the sleeve rod (2) is sleeved with a fixing plate (3), a pair of through holes are symmetrically formed in the upper end face of the fixing plate (3), one of the through holes is internally inserted with an acid burette (4), the other through hole is internally inserted with an alkaline burette (5), and the surfaces of the acid burette (4) and the alkaline burette (5) are provided with scale marks.

3. A double-in microtiter tube according to claim 1, wherein: adjusting handle (6) are installed at the top of threaded rod (9), just adjusting handle's (6) outer wall is equipped with anti-skidding line.

4. A double-in microtiter tube according to claim 2, wherein: the top of the acid buret (4) and the top of the alkaline buret (5) are both provided with a grinding plug (8), and the surface of the grinding plug (8) is provided with a V-shaped groove.

5. A double-in microtiter tube according to claim 1, wherein: the sleeve rod (2) is made of metal, and a zinc coating is arranged on the surface of the sleeve rod (2).