CN218629696U

CN218629696U - Acid burette of leak protection water

Info

Publication number: CN218629696U
Application number: CN202222402449.3U
Authority: CN
Inventors: 陈霞; 陈思
Original assignee: Changsha Jiaxing Environmental Protection Technology Co ltd
Current assignee: Changsha Jiaxing Environmental Protection Technology Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-03-14
Anticipated expiration: 2032-09-09

Abstract

The utility model relates to an acid buret technical field especially relates to a leak protection water acid buret. It includes burette, connecting block, stock solution bottle, cock cover and dripper, the top fixedly connected with connecting block of burette, the mounting groove has been seted up at the top of connecting block, the bottom threaded connection of mounting groove and stock solution bottle, the bottom intercommunication of mounting groove has the opening, be equipped with the baffle in the opening, the periphery of baffle is equipped with the sealing washer, the laminating of sealing washer and opening inner wall, one side fixedly connected with dwang of baffle, the other end of dwang runs through to the outside of connecting block and fixedly connected with turning handle one, be connected with torsion spring between turning handle one and the connecting block, be equipped with the dead lever on the turning handle one, seted up on the connecting block with dead lever assorted fixed slot, one side of stock solution bottle is equipped with the branch pipe, be equipped with the piston on the branch pipe. The utility model discloses be convenient for add solution, conveniently carry out the shutoff to the solution passageway, improved the practicality.

Description

Acid burette of leak protection water

Technical Field

The utility model relates to an acid buret technical field especially relates to a leak protection water acid buret.

Background

The acid burette is a titration instrument commonly used in analytical chemistry, can be used only for acid solution, and can be used for acid-base neutralization titration tests and the like. When the existing acid burette is used, solution needs to be added into the burette for titration, after the solution in the burette is titrated, if titration work is not finished yet, the solution needs to be continuously added into the burette, because the opening of the burette is small, the addition of the solution is not convenient enough and is inconvenient to use, the sealing of the acid burette is usually realized by a cock and a cock sleeve, the fixing mode of the cock and the cock sleeve is generally fixed by a rubber band, and the rubber band is easy to loosen, so that the solution is exuded. To this end, we propose a leak-proof acid burette to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a convenient leak protection water acid buret that continues to add solution after titrating easily, the convenience is good to solution passageway shutoff and stability.

The utility model discloses a solve above-mentioned problem, the technical scheme who proposes is: the utility model provides a leak protection water acid buret, includes burette, connecting block, stock solution bottle, cock cover and dripper, the top fixedly connected with connecting block of burette, the mounting groove has been seted up at the top of connecting block, the bottom threaded connection of mounting groove and stock solution bottle, the bottom intercommunication of mounting groove has the opening, be equipped with the baffle in the opening, the periphery of baffle is equipped with the sealing washer, sealing washer and the laminating of opening inner wall, one side fixedly connected with dwang of baffle, the other end of dwang runs through to the outside of connecting block and fixedly connected with turning handle one, be connected with torsion spring between turning handle one and the connecting block, be equipped with the dead lever on the turning handle one, set up on the connecting block with dead lever assorted fixed slot, one side of stock solution bottle is equipped with the branch pipe, be equipped with the piston on the branch pipe, the bottom of burette is equipped with the cock cover, the cavity has been seted up to the inside of cock cover, the cavity internalization has the shutoff stopper, set up through-hole one on the shutoff, the surface of shutoff stopper inlays and is equipped with sealed the pad, it has the threaded rod still to rotate in the cavity, the one end of threaded rod and the inside threaded rod of shutoff stopper, the threaded rod run through-hole of two be linked together with the cock cover two through-hole of stopper, the bottom of dropper is linked together.

Furthermore, the top of the liquid storage bottle is provided with a liquid injection port, and the liquid injection port is provided with a sealing cover.

Furthermore, a sliding groove communicated with the cavity is formed in the plug sleeve, a sliding block is connected in the sliding groove in a sliding mode, and the sliding block is connected with the plugging plug.

Furthermore, a fixed sleeve is fixed in the cavity, the threaded rod is rotatably connected with the fixed sleeve through a bearing, and the threaded rod is rotatably connected with the plug sleeve.

Furthermore, the dropper is provided with scale marks.

Further, the liquid storage bottle is communicated with a connecting block, the connecting block is communicated with a dropper, the dropper is communicated with a plug sleeve, and the plug sleeve is communicated with a dropper.

Furthermore, the fixed rod, the first rotating handle and the fixed groove are in threaded connection.

The utility model has the advantages that:

the utility model can store the solution in the liquid storage bottle, and can be added in time after the solution in the dropper is titrated, thereby facilitating the addition of the solution and the use; carry out the shutoff through the baffle to the opening, prevent that the solution in the liquid storage bottle from leaking to the burette in, what is unclear and influence the titration effect of solution in avoiding the burette, realize opening and the shutoff of opening through rotating a turning handle one, convenient regulation, and can effectively inject turning handle one, improve stability.

The utility model discloses a rotating handle two and driving the shutoff and blockking up and remove, realize opening and the shutoff to the circulation passageway, convenient the regulation, compare with current fixed cock and the plug cover of rubber band that passes through, more stability improves buret's practicality.

Drawings

Fig. 1 is a schematic structural view of a leak-proof acid burette of the present invention.

Fig. 2 is a schematic structural diagram of a connecting block of a leak-proof acid burette of the present invention.

Fig. 3 is a top view of the connection block of the leakage-proof acid burette of the present invention.

Fig. 4 is a schematic structural view of a plug sleeve of a leak-proof acid burette of the present invention.

( 1. A dropper; 2. connecting blocks; 3. a liquid storage bottle; 4. a plug sleeve; 5. a dripper; 6. mounting grooves; 7. a port; 8. a partition plate; 9. a seal ring; 10. rotating the rod; 11. a first rotating handle; 12. a torsion spring; 13. a branch pipe; 14. a piston; 15. a cavity; 16. blocking; 17. a first through hole; 18. a gasket; 19. a threaded rod; 20. a second rotating handle; 21. a second through hole; 22. fixing the rod; 23. fixing grooves; 24. a liquid injection port; 25. a sealing cover; 26. a chute; 27. a slider; 28. fixing a sleeve; 29. graduation mark )

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The utility model provides a leak protection water acid burette, including burette 1, connecting block 2, liquid storage bottle 3, plug bush 4 and dripper 5, the top of burette 1 is fixedly connected with connecting block 2, the top of connecting block 2 is seted up mounting groove 6, mounting groove 6 and the bottom threaded connection of liquid storage bottle 3, the bottom of mounting groove 6 communicates through opening 7, be equipped with baffle 8 in the opening 7, the periphery of baffle 8 is equipped with sealing washer 9, sealing washer 9 and the interior wall laminating of opening 7, one side of baffle 8 is fixedly connected with dwang 10, the other end of dwang 10 runs through to the outside of connecting block 2 and is fixedly connected with turning handle one 11, be connected with torsion spring 12 between turning handle one 11 and connecting block 2, turning handle one 11 is equipped with dead lever 22, seted up on connecting block 2 with dead lever 22 assorted fixed slot 23, one side of stock solution bottle 3 is equipped with branch pipe 13, be equipped with piston 14 on the branch pipe 13, the bottom of burette 1 is equipped with the plug bush 4, cavity 15 has been seted up to the inside of plug bush 4, cavity 15 internalization has a jam 16, through-hole 17 has been seted up on the jam 16, the surface that seals up 16 inlays and is equipped with sealed pad 18, still rotate threaded rod 19 in the cavity 15, the one end of threaded rod 19 and the inside threaded connection who seals up 16, the other end of threaded rod 19 runs through to the outside of plug bush 4 and fixedly connected with turning handle two 20, set up two through-hole two 21 that two cavities 15 are linked together on the plug bush 4, the bottom and the dripper 5 of plug bush 4 are connected.

The utility model discloses when using, rotate a turning handle 11, make it drive baffle 8 and rotate, open opening 7, add solution toward burette intraductal, solution enters into burette 1 through liquid storage bottle 3, fixed slot 23 is equipped with two, can realize opening 7 respectively through two fixed slots 23 and close the fixed of turning handle 11 when opening 7, when opening 7 is opened, insert fixed meal 22 in the corresponding fixed slot, prescribe a limit to turning handle 11, thereby stable interpolation solution, when the solution in burette 1 reaches a certain amount, rotate dead lever 22 and make it break away from fixed slot 23, can make turning handle 11 resume the normal position under torsion spring 12's effect, thereby drive baffle 8 and resume the normal position, shutoff through baffle 8 to opening 7, sealing washer 9 improves the leakproofness, insert in corresponding fixed slot 23 through dead lever 22, fix turning handle 11, improve the stability of baffle 8; after plugging, continuously adding the solution to store the solution in the liquid storage bottle 3, opening 7 can be opened to continuously add the solution into the dropper 1 after the solution in the dropper 1 is titrated, and the solution can be continuously titrated, so that the solution can be added and used conveniently, and when the liquid medicine is added, the piston 14 is opened, and bubbles in the liquid can be discharged through the branch pipe 13; when dripping, rotate the second 20 of turning handle, drive the threaded rod 19 and rotate, thereby make and seal 16 and block up and remove in cavity 15, can't continue to remove after removing a definite position, through-hole two 21 and through-hole one 17 are the connected state this moment, solution can loop through the second 21 of top through-hole, through-hole one 17, the second 21 of below through-hole enters into the dripper 5, drip from the dripper 5, realize and titrate the work, after titrating, the second 20 of turning handle is rotated in the opposite direction, make and seal 16 and block up and remove to the opposite side, through-hole two 21 and through-hole one 17 stagger, sealed pad 18 plays sealed effect to a certain extent, thereby close the passageway, stop titrating.

The top of the liquid storage bottle 3 is provided with a liquid injection port 24, and the liquid injection port 24 is provided with a sealing cover 25.

Further, the solution is added to the liquid storage bottle 3 through the liquid inlet 24, and after the addition is completed or after the liquid storage bottle is not used, the liquid storage bottle is sealed by the seal cap 25.

A sliding groove 26 communicated with the cavity 15 is formed in the plug sleeve 4, a sliding block 27 is connected in the sliding groove 26 in a sliding mode, and the sliding block 27 is connected with the plugging plug 16.

Further, the sliding connection between the sliding block 27 and the sliding groove 26 limits the movement of the plug 16 to a certain extent, so that the plug cannot rotate along with the rotation of the threaded rod 19 and can only move transversely, thereby realizing the communication and staggering of the second through hole 21 and the first through hole 17.

Fixed cover 28 is fixed in cavity 15, threaded rod 19 passes through the bearing with fixed cover 28 and rotates and is connected, threaded rod 19 is for rotating the connection with plug bush 4.

Further, the fixing sleeve 28 enhances the stability of the threaded rod 19 during rotation.

The dropper 1 is provided with scale marks 29.

Further, the volume of the titration solution can be known by the scale 29, so that titration can be performed more efficiently.

The liquid storage bottle 3 is communicated with the connecting block 2, the connecting block 2 is communicated with the dropper 1, the dropper 1 is communicated with the plug sleeve 4, and the plug sleeve 4 is communicated with the dropper 5.

Further, the liquid storage bottle 3 is communicated with the connecting block 2 through the through hole 7, the connecting block 2 is communicated with the dropper 1 through the through hole 7, the dropper 1 is communicated with the plug sleeve 4 through the second through hole 21 above, and the plug sleeve 4 is communicated with the dropper 5 through the second through hole 21 below.

The fixed rod 22 is in threaded connection with the first rotating handle 11 and the fixed groove 23.

Further, threaded connection can make the connection of dead lever 22 more stable, avoids droing, improves the limited effect of dead lever 22 to turning handle 11.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a leak protection water acid buret, includes burette (1), connecting block (2), stock solution bottle (3), plug bush (4) and dripper (5), its characterized in that: the top end of the dropper (1) is fixedly connected with the connecting block (2), a mounting groove (6) is formed in the top of the connecting block (2), the mounting groove (6) is in threaded connection with the bottom of the liquid storage bottle (3), the bottom of the mounting groove (6) is communicated with the opening (7), a partition plate (8) is arranged in the opening (7), a sealing ring (9) is arranged on the periphery of the partition plate (8), the sealing ring (9) is attached to the inner wall of the opening (7), one side of the partition plate (8) is fixedly connected with a rotating rod (10), the other end of the rotating rod (10) penetrates through to the outside of the connecting block (2) and is fixedly connected with a rotating handle I (11), a torsion spring (12) is connected between the rotating handle I (11) and the connecting block (2), a fixing rod (22) is arranged on the rotating handle I (11), a fixing groove (23) matched with the fixing rod (22) is formed in the connecting block (2), one side of the liquid storage bottle (3) is provided with a branch pipe (13), a piston (14) is arranged on the branch pipe (13), a plug sleeve (4) is arranged at the bottom of the dropper (1), a cavity (15) is formed in the plug sleeve (4), and a movable plug sleeve (15) is arranged in the cavity (16), the utility model discloses a stopper, including stopper cover (4), sealing stopper (16), the surface of sealing stopper (16) is inlayed and is equipped with sealed pad (18), still rotate threaded rod (19) in cavity (15), the one end of threaded rod (19) and the inside threaded connection of sealing stopper (16), the other end of threaded rod (19) runs through to the outside of cock cover (4) and fixedly connected with turning handle two (20), set up two (21) through-holes that two cavities (15) are linked together on cock cover (4), the bottom and the water dropper (5) of cock cover (4) are connected.

2. A leak-proof acid burette as claimed in claim 1, wherein: the top of the liquid storage bottle (3) is provided with a liquid injection port (24), and the liquid injection port (24) is provided with a sealing cover (25).

3. A leak-proof acid burette as claimed in claim 1, wherein: a sliding groove (26) communicated with the cavity (15) is formed in the plug sleeve (4), a sliding block (27) is connected in the sliding groove (26) in a sliding mode, and the sliding block (27) is connected with the plugging plug (16).

4. A leak-proof acid burette as claimed in claim 1, wherein: fixed cover (28) are fixed in cavity (15), threaded rod (19) are connected through the bearing rotation with fixed cover (28), threaded rod (19) are connected for rotating with cock sleeve (4).

5. A leak-proof acid burette as claimed in claim 1, wherein: and scale marks (29) are arranged on the dropper (1).

6. A leak-proof acid burette as claimed in claim 1, wherein: the liquid storage bottle (3) is communicated with the connecting block (2), the connecting block (2) is communicated with the dropper (1), the dropper (1) is communicated with the plug sleeve (4), and the plug sleeve (4) is communicated with the dropper (5).

7. A leak-proof acid burette according to claim 1, wherein: the fixed rod (22) is in threaded connection with the first rotating handle (11) and the fixed groove (23).