CN219799362U

CN219799362U - Multifunctional burette

Info

Publication number: CN219799362U
Application number: CN202320826894.4U
Authority: CN
Inventors: 陈思; 陈霞
Original assignee: Changsha Jiaxing Environmental Protection Technology Co ltd
Current assignee: Changsha Jiaxing Environmental Protection Technology Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-10-03
Anticipated expiration: 2033-04-14

Abstract

The utility model provides a multifunctional burette, and belongs to the technical field of burettes. The utility model has simple structure and convenient operation, can be used for titration and dripping solution, and improves the application range of the burette; the device can drive the piston to move up and down to adsorb the cleaning agent and the cleaning water under the action of the pushing mechanism, and the pushing mechanism drives the piston to move up and down repeatedly, so that the interior of the dropper body is repeatedly cleaned, and the dropper body is convenient to clean. And moreover, by utilizing the design of the inclined feeding pipe, the cross section size of the upper end of the feeding pipe is larger than that of the dropper body, the caliber of the pipe orifice of the dropper body is indirectly increased, and the condition of resource waste caused by solution scattering is reduced.

Description

Multifunctional burette

Technical Field

The utility model provides a multifunctional burette, and belongs to the technical field of burettes.

Background

The information disclosed in the background of the utility model is only for enhancement of understanding of the general background of the utility model and is not necessarily to be taken as an admission or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Burette refers to a meter that holds a titrant solution during a titration operation. The burette is a long and thin glass tube with uniform inner diameter and scales, the lower end of the tube is provided with a glass sharp mouth, and the glass sharp mouth has different volumes of 25ml, 50ml and the like. A burette is usually used for carrying out a biological drug test, but the burette in the prior art has the following defects that the burette only has a titration function, a test tube is often used for taking a solution sample in an experiment, the burette cannot be used for dripping the solution, and the application range of the burette is limited; in addition, when adding the solution, because the mouth of pipe of buret is less, can often lead to the unrestrained of solution, cause the waste of resource, the buret is difficult to wash after using moreover, if wash the effect of experiment that can influence next time uncleanly.

In summary, a multifunctional burette is now proposed.

Disclosure of Invention

The multifunctional burette provided by the utility model has a simple structure, is convenient to operate, can be used for titration, can be used for dripping solution, and can be used for improving the application range of the burette; the cleaning mechanism, the piston, the pushing mechanism, the threaded cylinder, the threaded rod and the pull rod are designed, the length of the threaded rod is matched with the length of the dropper body, the piston is driven to move upwards to adsorb the cleaning agent and the cleaning water under the action of the pushing mechanism, the pushing mechanism drives the piston to move upwards and downwards repeatedly, and further the interior of the dropper body is repeatedly cleaned, so that the cleaning is convenient, in addition, the threaded rod is in threaded connection with the threaded cylinder, when the pushing mechanism is not used, the threaded rod can be taken down, and the dropper body and the test tube body are convenient to use; and moreover, by utilizing the design of the inclined feeding pipe, the cross section size of the upper end of the feeding pipe is larger than that of the dropper body, the caliber of the pipe orifice of the dropper body is indirectly increased, and the condition of resource waste caused by solution scattering is reduced.

The utility model provides a multifunctional burette, which comprises a burette body and a test tube body, and is characterized in that: the bottom end of the dropper body and the bottom end of the test tube body are connected with shrinkage tubes in a uniform manner, the bottom ends of the two shrinkage tubes are connected with vertical tubes in a uniform manner, a left control valve and a right control valve are respectively arranged on the two vertical tubes, a cleaning mechanism is arranged inside the dropper body, the cleaning mechanism comprises a piston which is arranged in the dropper body in a sliding manner and a pushing mechanism which is arranged on the piston, the side wall of the dropper body is fixedly communicated with an inclined feeding pipe, and the top end of the test tube body is fixedly connected with an extrusion bag.

Further, the bottom ends of the two vertical pipes are connected with the same titration rubber pipe.

Furthermore, the upper end and the lower end of the opposite sides of the dropper body and the test tube body are respectively provided with a fixed rod.

Further, the pushing mechanism comprises a threaded cylinder fixedly mounted on the piston, the top end of the dropper body is provided with a tube cover, the top end of the threaded cylinder movably penetrates through the tube cover to extend to the outside, the threaded sleeve is provided with a threaded rod, and the top end of the threaded rod is provided with a pull rod.

Further, the tube cover is connected with the threaded cylinder in a sliding manner, and the tube cover is connected with the upper end of the dropper body in a threaded manner.

Further, the length of the threaded rod is matched with the length of the dropper body.

Further, the section size of the upper end of the feeding pipe is larger than that of the dropper body.

Furthermore, the outer walls of the dropper body and the test tube body are provided with scale marks.

The utility model has the beneficial effects that:

1. in the utility model, the design of the dropper body and the test tube body is utilized, so that the dropper not only can be used for titration, but also can be used for dripping solution, and the application range of the burette is improved;

2. according to the utility model, by means of the design of the cleaning mechanism, the piston, the pushing mechanism, the threaded cylinder, the threaded rod and the pull rod, and the length of the threaded rod is matched with the length of the dropper body, the pushing mechanism can drive the piston to move to adsorb the cleaning agent and the cleaning water, and the pushing mechanism drives the piston to repeatedly move up and down, so that the interior of the dropper body is repeatedly cleaned, and the cleaning is convenient.

3. According to the utility model, by utilizing the design of the inclined feeding pipe, the cross section size of the upper end of the feeding pipe is larger than that of the dropper body, the caliber of the nozzle of the dropper body is indirectly increased, and the resource waste caused by solution scattering is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a multifunctional burette provided by the utility model.

Fig. 2 is a schematic structural diagram of a cleaning mechanism of a multifunctional burette provided by the utility model.

1. A dropper body; 2. a test tube body; 3. a shrink tube; 4. a vertical tube; 5. a left control valve; 6. a right control valve; 7. a cleaning mechanism; 701. a piston; 702. a pushing mechanism; 7021. a thread cylinder; 7022. a threaded rod; 7023. a pull rod; 8. a feeding tube; 9. extruding the bag; 10. titrating a rubber tube; 11. a fixed rod; 12. a tube cover; 13. scale mark

Detailed Description

The utility model will be further described with reference to the accompanying drawings

According to the drawings in fig. 1-2, the multifunctional burette provided by the utility model comprises a burette body 1 and a test tube body 2, and is characterized in that: the bottom ends of the dropper body 1 and the test tube body 2 are connected with shrinkage tubes 3 in a uniform manner, the bottom ends of the two shrinkage tubes 3 are connected with vertical tubes 4 in a uniform manner, the bottom ends of the two vertical tubes 4 are connected with the same titration rubber tube 10, a left control valve 5 and a right control valve 6 are respectively arranged on the two vertical tubes 4, a cleaning mechanism 7 is arranged inside the dropper body 1, the cleaning mechanism 7 comprises a piston 701 which is arranged inside the dropper body 1 in a sliding manner and a pushing mechanism 702 which is arranged on the piston 701, wherein the side wall of the dropper body 1 is fixedly communicated with an inclined feeding pipe 8, the top end of the test tube body 2 is fixedly connected with a squeezing bag 9, and scale marks 13 are arranged on the outer walls of the dropper body 1 and the test tube body 2.

Specifically, the upper end and the lower end of the opposite sides of the dropper body 1 and the test tube body 2 are respectively provided with a fixing rod 11.

Further specific description is needed: the fixing rod 11 enhances the stability between the dropper body 1 and the test tube body 2.

Specifically, the pushing mechanism 702 includes a screw thread cylinder 7021 fixedly installed on the piston 701, the top end of the dropper body 1 is provided with a tube cover 12, the top end of the screw thread cylinder 7021 movably penetrates out of the tube cover 12 to extend to the outside, a threaded rod 7022 is sleeved with the screw thread, a pull rod 7023 is installed at the top end of the threaded rod 7022, the tube cover 12 and the screw thread cylinder 7021 are in sliding connection, the tube cover 12 is in threaded connection with the upper end of the dropper body 1, and the length of the threaded rod 7022 is matched with the length of the dropper body 1.

Further specific description is needed: under the action of the pushing mechanism 702, the piston 701 can be driven to move up and down, so that the cleaning liquid can be conveniently sucked and discharged, and the inside of the dropper body 1 can be conveniently cleaned.

Specifically, the cross-sectional dimension of the upper end of the feeding tube 8 is larger than that of the dropper body 1.

Further specific description is needed: by utilizing the design of the inclined feeding pipe 8, the cross section size of the upper end of the feeding pipe 8 is larger than that of the dropper body 1, the caliber of the nozzle of the dropper body 1 is indirectly increased, and the resource waste caused by solution scattering is reduced

The working principle of the utility model

When the drip tube is used, the titration solution is added from the feeding tube 8, the design of the inclined feeding tube 8 is utilized, the section size of the upper end of the feeding tube 8 is larger than that of the drip tube body 1, the caliber of the mouth of the drip tube body 1 is indirectly increased, and the condition of resource waste caused by solution sprinkling is reduced; then the right control valve 6 is opened to perform titration, and the titration liquid drips out from the burette body 1, the shrinkage tube 3 and the vertical tube 4 through the right control valve 6 and then from the titration rubber tube 10; when the solution is required to be dripped, the right control valve 6 is closed, the left control valve 5 is opened, then the squeeze bag 9 is pinched, the titration rubber tube 10 is placed into the solution required to be dripped, the squeeze bag 9 is loosened, the dripped solution enters the test tube body 2 from the titration rubber tube 10, the vertical tube 4 and the shrinkage tube 3, the left control valve 5 is closed, the dripping of the solution is realized, and the adaptability of the burette is improved; when the dropper body 1 needs to be cleaned, the threaded rod 7022 is in threaded connection with the inside of the threaded cylinder 7021, the right control valve 6 is opened, the left control valve 5 is closed, the pull rod 7023 is held by hand, the threaded rod 7022 is pushed to move downwards, the threaded rod 7022 drives the threaded cylinder 7021 and the piston 701 to move downwards to the lower end of the inside of the dropper body 1, the titration rubber tube 10 is placed at a cleaning liquid position, the pull rod 7023 is pulled upwards, the piston 701 moves upwards, the titration rubber tube 10 absorbs the cleaning liquid, the cleaning liquid enters the inside of the dropper body 1, and cleaning of the inside of the dropper body 1 is realized in the continuous reciprocating up-down movement process; likewise, when the test tube body 2 needs to be cleaned, the right control valve 6 is closed, the left control valve 5 is opened, and the external cleaning liquid is sucked into the test tube body 2 by the squeezing bag 9, so that the cleaning of the inside of the test tube body 2 is realized in the operation of continuously and reciprocally pinching and releasing the squeezing bag 9.

The utility model and its embodiments have been described in terms of components which are standard components or which are known to those skilled in the art, whose construction and principle are known to those skilled in the art from technical manuals or by routine experimentation, and are not limited to the embodiments shown in the drawings, but are only one of them, without limiting the actual construction. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides a multifunctional burette, includes burette body (1) and test tube body (2), its characterized in that: the novel dropper comprises a dropper body (1) and a test tube body (2), wherein the bottom end of the dropper body (1) and the bottom end of the test tube body (2) are uniformly connected with a shrinkage tube (3), the bottom end of the shrinkage tube (3) is uniformly connected with a vertical tube (4), the vertical tube (4) is provided with a left control valve (5) and a right control valve (6) respectively, the interior of the dropper body (1) is provided with a cleaning mechanism (7), the cleaning mechanism (7) comprises a piston (701) which is arranged in the dropper body (1) in a sliding manner and a pushing mechanism (702) which is arranged on the piston (701), the side wall of the dropper body (1) is fixedly communicated with an inclined feeding tube (8), and the top end of the test tube body (2) is fixedly connected with a squeeze bag (9).

2. A multi-purpose burette as claimed in claim 1, wherein: the bottom ends of the two vertical pipes (4) are connected with the same titration rubber pipe (10).

3. A multi-purpose burette as claimed in claim 1, wherein: the upper end and the lower end of the opposite sides of the dropper body (1) and the test tube body (2) are respectively provided with a fixed rod (11).

4. A multi-purpose burette as claimed in claim 1, wherein: the pushing mechanism (702) comprises a thread cylinder (7021) fixedly mounted on the piston (701), a pipe cover (12) is mounted at the top end of the dropper body (1), the top end of the thread cylinder (7021) movably penetrates out of the pipe cover (12) to extend to the outside, a threaded rod (7022) is sleeved on the thread, and a pull rod (7023) is mounted at the top end of the threaded rod (7022).

5. The multi-purpose burette of claim 4 wherein: the tube cover (12) is in sliding connection with the threaded cylinder (7021), and the tube cover (12) is in threaded connection with the upper end of the dropper body (1).

6. The multi-purpose burette of claim 4 wherein: the length of the threaded rod (7022) is matched with the length of the dropper body (1).

7. A multi-purpose burette as claimed in claim 1, wherein: the section size of the upper end of the feeding pipe (8) is larger than that of the dropper body (1).

8. A multi-purpose burette as claimed in claim 1, wherein: the outer walls of the dropper body (1) and the test tube body (2) are provided with scale marks (13).