CN210187191U

CN210187191U - Can dismantle liquid analysis and detection and use pipette

Info

Publication number: CN210187191U
Application number: CN201920847232.9U
Authority: CN
Inventors: Ying An; 安莹
Original assignee: Xuzhou College of Industrial Technology
Current assignee: Xuzhou College of Industrial Technology
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-03-27
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a can dismantle liquid pipette for analysis and detection, including last body and lower body, the bottom outer wall of going up the body and the equal fixedly connected with inner ring of top outer wall of body down, the external screw thread is carved with on inner ring's outer wall surface, goes up and is provided with the aurilave between body and the lower body, and the top and the bottom of aurilave all are provided with the outer loop, and the inner wall surface of outer loop is carved with the internal thread with inner ring outer wall external screw thread matched with, and the outer loop passes through internal thread threaded connection at inner ring's outer wall, goes up the top outer wall fixedly connected with a plurality of fixed block of body. The utility model discloses a can dismantle liquid analysis and detect and use pipette structure is nimble, can dismantle and install at will, can dismantle the upper tube body and lower body from the aurilave through rotating the outer ring, moves the nut through twisting and can pull down the liquid head from the upper tube body to move the liquid head through twisting and can pull down it from the lower body, thereby can shorten the length of this pipette, in order to make things convenient for to preserve and carry.

Description

Can dismantle liquid analysis and detection and use pipette

Technical Field

The utility model relates to an experimental device technical field specifically is a can dismantle liquid analysis and detect and use pipette.

Background

A pipette is a gauge used to accurately remove a volume of solution and is used only to measure the volume of solution it discharges. The pipette is a slender glass tube with an expansion part in the middle, the lower end of the pipette is in a sharp mouth shape, and a marking line is engraved at the upper end tube neck and is a mark of the accurate volume. The pipette is the common equipment of assay usefulness, and current pipette is the integral structure mostly, can't dismantle, and the length of pipette is longer again, therefore is not convenient for preserve and carry.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming the unable dismantlement of prior art's pipette, preserve and carry inconvenient defect, provide a can dismantle liquid analysis and detect and use pipette. The pipette for analyzing and detecting the detachable liquid has the characteristics of flexible structure, random detachment and installation, convenient storage and carrying and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can dismantle liquid transfer pipette for analysis and detection, includes upper tube body and lower body, the bottom outer wall of upper tube body and the equal fixedly connected with inner ring of top outer wall of lower body, the outer wall surface of inner ring is carved with the external screw thread, be provided with the aurilave between upper tube body and the lower body, the top and the bottom of aurilave all are provided with the outer loop, the inner wall surface of outer loop is carved with the internal thread with inner ring outer wall external screw thread matched with, the outer loop passes through internal thread threaded connection at the inner ring outer wall, the top outer wall fixedly connected with a plurality of fixed block of upper tube body.

Preferably, a liquid taking head is arranged above the upper pipe body, a liquid taking pipe is fixedly connected to the top of the liquid taking head, a clamping block is fixedly connected to the bottom of the liquid taking head, the clamping block is inserted into an inner cavity of the upper pipe body, the liquid taking pipe penetrates through the clamping block and is communicated with the inner cavity of the upper pipe body, threaded holes are formed in the liquid taking head and the fixing block, a bolt is connected to the threaded holes in a threaded manner, and a nut matched with the bolt is connected to the tail end of the bolt in a threaded manner.

Preferably, the number of the bolts is not less than three, and the bolts are annularly distributed by taking the clamping blocks as centers.

Preferably, the outer wall surface of the fixture block is provided with a circle of sealing ring, the sealing ring is of a rubber ring structure, and herringbone anti-skidding lines are carved on the surface of the sealing ring.

Preferably, a liquid suction head is arranged below the lower pipe body, a liquid suction pipe is fixedly connected to the top of the liquid suction head, external threads are carved on the surface of the outer wall of the pipe orifice of the liquid suction pipe, the liquid suction head penetrates through the bottom end of the liquid suction head, internal threads matched with the external threads on the outer wall of the liquid suction pipe are carved on the surface of the inner wall of the bottom end of the lower pipe body, and the liquid suction pipe is connected to the bottom end of the lower pipe body through external threads.

Compared with the prior art, the beneficial effects of the utility model are that:

can dismantle liquid analysis and detect and use pipette structure nimble, can dismantle and install at will, can dismantle the upper tube body and lower body from the aurilave through rotating the outer ring, can pull down the liquid head from the upper tube body through twisting the nut to pull down it from the lower body through twisting the liquid head that inhales, thereby can shorten the length of this pipette, in order to conveniently preserve and carry.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view of fig. 1 at a.

Reference numbers in the figures: the device comprises an upper pipe body 1, a lower pipe body 2, an inner ring 3, an ear washing ball 4, an outer ring 5, a fixing block 6, a liquid taking head 7, a liquid taking pipe 8, a clamping block 9, a threaded hole 10, a bolt 11, a nut 12, a sealing ring 13, a liquid sucking head 14 and a liquid sucking pipe 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a pipette for analyzing and detecting detachable liquid comprises an upper tube body 1 and a lower tube body 2, wherein the outer wall of the bottom of the upper tube body 1 and the outer wall of the top of the lower tube body 2 are fixedly connected with an inner ring 3, the outer wall surface of the inner ring 3 is carved with an external thread, an ear washing ball 4 is arranged between the upper tube body 1 and the lower tube body 2, the ear washing ball 4 is made of rubber and has elasticity, when being pressed, suction can be generated, the top and the bottom of the ear washing ball 4 are both provided with an outer ring 5, the inner wall surface of the outer ring 5 is carved with an internal thread matched with the external thread of the outer wall of the inner ring 3, the outer ring 5 is connected with the outer wall of the inner ring 3 through the internal thread, the outer wall of the top of the upper tube body 1 is fixedly connected with a plurality of fixing blocks 6, a liquid taking head 7 is arranged above the upper tube body 1, the top of, the liquid taking pipe 8 penetrates through the clamping block 9 and is communicated with the inner cavity of the upper pipe body 1, the outer wall surface of the clamping block 9 is provided with a circle of sealing ring 13, the sealing ring 13 is of a rubber ring structure and can fill a gap between the clamping block 9 and the upper pipe body 1, herringbone anti-skidding lines are carved on the surface of the sealing ring, the friction force between the clamping block 9 and the inner wall of the upper pipe body 1 can be increased, the sliding is prevented, the liquid taking head 7 and the fixing block 6 are both provided with threaded holes 10, the threaded holes 10 are internally threaded with bolts 11, the tail end of each bolt 11 is in threaded connection with nuts 12 matched with the bolt 11, the number of the bolts 11 is not less than three, the bolts 11 are annularly distributed by taking the clamping block 9 as the center, the liquid suction head 14 is arranged below the lower pipe body 2, the top of the liquid suction head 14 is fixedly connected with a liquid suction pipe 15, the outer wall surface of a pipe orifice of the, the pipette 15 is screwed to the bottom end of the lower pipe body 2 through an external thread.

The working principle is as follows: the utility model discloses when using, at first extend into the liquid sample that awaits analysis and detection with imbibition head 14, then press aurilave 4, aurilave 4 can take place elastic deformation after receiving to press, thereby make the atmospheric pressure in lower body 2 reduce, then inhale the liquid sample to lower body 2 through imbibition head 14, later press the top mouth of pipe of liquid intaking pipe 8 with the finger, and move this pipette to the beaker, after imbibition head 14 comes to the beaker directly over, loosen the finger, the liquid sample in the pipette falls to the beaker under the action of gravity this moment, thereby accomplish the collection of awaiting analysis and detection with the liquid sample; when this pipette is preserved and is carried as required, rotatable upper tube body 1 and lower tube body 2 for outer loop 5 breaks away from with inner ring 3, thereby dismantle upper tube body 1 and lower tube body 2 from aurilave 4, loosen nut 12 on bolt 11 afterwards, and take bolt 11 out from screw hole 10, thereby will get liquid head 7 and pull down from upper tube body 1, later the rethread is twisted and is inhaled liquid head 14 and can be pulled down from lower tube body 2, thereby can shorten the length of this pipette, in order to conveniently preserve and carry.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can dismantle liquid analysis and detect and use pipette, includes body (1) and body (2) down, its characterized in that: go up the equal fixedly connected with inner ring (3) of the bottom outer wall of body (1) and the top outer wall of body (2) down, the outer wall surface of inner ring (3) is carved with the external screw thread, go up and be provided with aurilave (4) between body (1) and lower body (2), the top and the bottom of aurilave (4) all are provided with outer ring (5), the inner wall surface of outer ring (5) is carved with the internal thread with inner ring (3) outer wall external screw thread matched with, outer ring (5) are through the outer wall of internal thread threaded connection at inner ring (3), the top outer wall fixedly connected with a plurality of fixed block (6) of going up body (1).

2. The removable pipette for liquid analysis and detection according to claim 1, wherein: go up the top of body (1) and be provided with and get liquid head (7), the top fixedly connected with liquid taking pipe (8) of getting liquid head (7), its bottom fixedly connected with fixture block (9), the inner chamber of supreme body (1) is inserted in fixture block (9), liquid taking pipe (8) run through fixture block (9) and each other communicate with the inner chamber of last body (1), all set up threaded hole (10) on liquid taking head (7) and fixed block (6), threaded hole (10) female connection has bolt (11), the terminal threaded connection of bolt (11) has rather than matched with nut (12).

3. The pipette of claim 2 wherein: the number of the bolts (11) is not less than three, and the bolts (11) are annularly distributed by taking the fixture block (9) as the center.

4. The pipette of claim 2 wherein: the outer wall surface of the clamping block (9) is provided with a circle of sealing ring (13), the sealing ring (13) is of a rubber ring structure, and herringbone anti-skidding lines are carved on the surface of the sealing ring.

5. The removable pipette for liquid analysis and detection according to claim 1, wherein: the utility model discloses a pipe fitting, including lower body (2), the below of body (2) is provided with pipette head (14) down, the top fixedly connected with pipette (15) of pipette head (14), the external screw thread is carved with on the mouth of pipe outer wall surface of pipette (15), and pipette head (14) is run through to its bottom, the internal thread with pipette (15) outer wall external screw thread matched with is carved with on the bottom inner wall surface of body (2) down, pipette (15) are through external screw thread threaded connection in the bottom of body (2) down.