Splash-proof titrating head device for Karl moisture meter

Abstract

The utility model discloses a splash-proof titrating head device for a Karl moisture meter, which comprises an infusion bottle and a mounting mechanism, and a burette is fixedly mounted on the infusion bottle; the mounting mechanism comprises a titrating head mounted in the burette, a plurality of penetrating openings penetrating through the titrating head are fixedly mounted on the titrating head, inclined blocks slidably abutting against the inner walls of the penetrating openings are slidably connected in the penetrating openings, a reset piece capable of driving the inclined blocks to reset is mounted on the outer side of the burette, and an outer circular ring is mounted on the outer side of the burette; rectangular blocks opposite to the inclined blocks are fixedly installed on the outer circular ring, the inclined faces of the rectangular blocks abut against the inclined faces of the inclined blocks in a sliding mode, and fixing rods are fixedly installed on the outer circular ring. According to the device, the outer circular ring, the penetrating opening, the inclined block, the reset piece, the splash-proof plate, the rectangular block and the fixed rod are matched, so that the efficiency of the titrating head mounting work is improved, and meanwhile, a titrant is prevented from splashing.

Description

TECHNICAL FIELD

[0001] The utility model belongs to splashproof titration head technical field, specifically is a kind of splashproof titration head device for Karl Fischer moisture meter. BACKGROUND

[0002] In Karl titration, reagent and sample reaction may splash due to stirring, drop adding speed and other factors, splashproof structure can block reagent overflow, avoid reagent loss or pollution in titration pool external environment, in addition, the device can guide reagent accurately drop into reaction area, reduce reagent residue in titration head inner wall, ensure that actual titration quantity is consistent with set value, reduce error, for volatile or corrosive Karl reagent, splash design can also reduce its volatile loss, protect operator, maintain the stability of titration system.

[0003] When installing, operator needs to align screw hole position one by one and tighten, not only need to adjust angle repeatedly to ensure that each screw stress is uniform during installation, avoid connection skew due to local loosening, but also need to unscrew screw one by one when disassembling and cleaning, the whole process is time-consuming, especially in the experimental scene of frequent replacement of titration head, it can significantly reduce operation efficiency, and screw is prone to thread slipping, rust and other problems during long-term use, further increase the connection difficulty, even need to use tools to forcibly disassemble, not only affect the connection stability, but also possibly damage the interface of titration head or burette, meanwhile, if stirring rate is too fast during stirring process, solution will form vortex under the action of centrifugal force, when vortex edge approaches burette outlet, it is easy to bring dropped solution or pool liquid to titration head vicinity and splash out;For this reason, the present application provides a kind of splashproof titration head device for Karl Fischer moisture meter. UTILITARIAN CONTENT

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a kind of splashproof titration head device for Karl Fischer moisture meter, effectively solve the problem of inconvenient connection of titration head and burette, titrant splash.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of splashproof titration head device for Karl Fischer moisture meter, including infusion bottle and installation mechanism, the infusion bottle is fixedly installed with burette;Installation mechanism includes the titration head installed in burette, the titration head is fixedly installed with multiple through holes passing through the titration head, slidingly connected with the inclined block of the inner wall of through hole in through hole, the outer side of burette is installed with the reset piece capable of driving inclined block reset, the outer side of burette is installed with outer ring, outer ring is fixedly installed with rectangular block opposite to inclined block, the inclined surface of rectangular block and the inclined surface of inclined block slidingly abut, outer ring is fixedly installed with fixed rod.

[0006] Preferably, the reset member comprises a mounting frame fixedly mounted on the burette, the outer ring is in sliding opposition with the mounting frame and is located in the mounting frame, and an inner ring fixedly mounted in the mounting frame is in opposition with the outer ring.

[0007] Preferably, a fixed plate fixedly connected with the oblique block is sleeved on the oblique block, and the fixed plate is fixedly mounted with a spring on the inner ring.

[0008] Preferably, a circular ring port penetratingly arranged on the mounting frame is fixedly mounted on the mounting frame, and a T-shaped sliding groove in opposition with the circular ring port is arranged on the mounting frame.

[0009] Preferably, a T-shaped block in sliding opposition with the inner wall of the T-shaped sliding groove is slidably connected in the T-shaped sliding groove, and the fixed rod penetrates through the T-shaped block and is fixedly connected with the T-shaped block.

[0010] Preferably, a stop block is fixedly mounted in the burette, a rubber waterproof ring fixedly connected with the burette is sleeved on the burette head, and the rubber waterproof ring is in opposition with the stop block.

[0011] Preferably, a plurality of supports are fixedly mounted on the bottom of the infusion bottle, a splash-proof plate is fixedly mounted on the bottom of the burette head, the splash-proof plate is in the shape of a funnel, a burette pool in opposition with the splash-proof plate is arranged on one side of the infusion bottle, and a plurality of fixed columns are fixedly mounted on the bottom of the burette pool.

[0012] Compared with the prior art, the utility model has the advantages that: through the cooperation between the outer ring, the penetration port, the oblique block, the reset member, the rectangular block and the fixed rod, the fixed rod is pushed, the fixed rod drives the outer ring to rotate along the direction of the T-shaped sliding groove, the outer ring drives the plurality of rectangular blocks to move simultaneously, the movement of the rectangular blocks drives the oblique block to move into the penetration port, the spring is stretched, the oblique block is in sliding opposition with the inner wall of the penetration port, thereby completing the limiting of the burette head from four sides simultaneously, the installation of the burette head is completed, the use of a large number of screws is avoided, the efficiency of the burette head installation work is improved, the solution splashed upwards can flow into the burette pool along the splash-proof plate, and the splashing of the titrant is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification and are used together with the embodiments of the utility model to explain the utility model and do not constitute a limitation on the utility model.

[0014] In the drawings:

[0015] Figure 1 It is a structural schematic view of the utility model karl fisher moisture meter splash-proof burette head device.

[0016] Figure 2 It is a sectional view of the utility model karl fisher moisture meter splash-proof burette head device.

[0017] Figure 3 For this utility model Figure 2 A magnified schematic diagram of point A in the middle;

[0018] Figure 4 For this utility model Figure 2 A magnified schematic diagram of point B in the middle;

[0019] In the figure: 1. Infusion bottle; 2. Bracket; 3. Burette; 4. Mounting frame; 5. Titration head; 6. Splash shield; 7. Titration cell; 8. Fixing column; 9. Outer ring; 10. Rectangular block; 11. Oblique block; 12. Through-hole; 13. Stopper; 14. Rubber waterproof ring; 15. Inner ring; 16. Fixing plate; 17. Spring; 18. T-shaped block; 19. T-shaped slide; 20. Fixing rod; 21. Ring mouth. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] Depend on Figures 1-4 The utility model includes an infusion bottle 1 and a mounting mechanism. A burette 3 is fixedly mounted on the infusion bottle 1. A stopper 13 is fixedly mounted inside the burette 3. A rubber waterproof ring 14 is sleeved on the burette head 5 and fixedly connected to the burette head 5. The rubber waterproof ring 14 abuts against the stopper 13. The rubber waterproof ring 14 can prevent the solution from leaking and ensure the measurement accuracy. A plurality of brackets 2 are fixedly mounted on the bottom of the infusion bottle 1. The plurality of brackets 2 can ensure the stability of the infusion bottle 1. A splash guard 6 is fixedly mounted on the bottom of the burette head 5. The splash guard 6 is funnel-shaped, and the funnel-shaped splash plate 6 can make the splashed solution flow into the titration tank 7 along the splash plate 6, so that all the titrant enters the reaction system without loss, and can ensure that the sample solution and the reaction liquid do not leave the titration tank 7 without overflowing, while ensuring that the reaction environment in the titration tank 7 is stable and not polluted by the outside world. A titration tank 7 is installed on one side of the infusion bottle 1 and is arranged opposite to the splash plate 6. A plurality of fixed columns 8 are fixedly installed at the bottom of the titration tank 7. The plurality of fixed columns 8 can ensure the stability of the titration tank 7;

[0022] The installation mechanism comprises a burette 3, a burette head 5 installed in the burette 3, a plurality of through holes 12 penetrating through the burette head 5 and fixedly installed on the burette head 5, an inclined block 11 slidably connected in the through holes 12 and abutting against the inner wall of the through holes 12, a reset member capable of driving the inclined block 11 to reset, the reset member comprising a mounting frame 4 fixedly installed on the burette 3, an outer ring 9 slidably opposite to the mounting frame 4 and located in the mounting frame 4, an inner ring 15 fixedly installed in the mounting frame 4 and opposite to the outer ring 9, a fixed plate 16 fixedly connected with the inclined block 11 and sleeved on the inclined block 11, and a spring 17 fixedly installed on the inner ring 15 and the fixed plate 16;

[0023] An outer ring 9 is installed on the outside of the burette 3, a rectangular block 10 opposite to the inclined block 11 is fixedly installed on the outer ring 9, the inclined surface of the rectangular block 10 abutting against the inclined surface of the inclined block 11, a fixed rod 20 is fixedly installed on the outer ring 9, a circular ring hole 21 penetrating through the mounting frame 4 is fixedly installed on the mounting frame 4, a T-shaped sliding groove 19 opposite to the circular ring hole 21 is arranged on the mounting frame 4, a T-shaped block 18 slidably connected with the inner wall of the T-shaped sliding groove 19 is arranged in the T-shaped sliding groove 19, and the fixed rod 20 penetrates through the T-shaped block 18 and is fixedly connected with the T-shaped block 18;

[0024] Working principle: when working, the burette head 5 is arranged opposite to the burette 3, the worker pushes the burette head 5, the burette head 5 drives the rubber waterproof ring 14 to move, the rubber waterproof ring 14 abuts against the stop block 13, at this time, the inclined block 11 is just arranged opposite to the through hole 12, the fixed rod 20 is pushed, the fixed rod 20 moves along the direction of the T-shaped sliding groove 19 due to the abutment of the T-shaped block 18 and the inner wall of the T-shaped sliding groove 19, the fixed rod 20 drives the outer ring 9 to rotate, the outer ring 9 drives the plurality of rectangular blocks 10 to move simultaneously, the movement of the rectangular blocks 10 drives the inclined block 11 to move into the through hole 12 due to the abutment of the inclined surface of the rectangular block 10 and the inclined surface of the inclined block 11, and the spring 17 is stretched, the inclined block 11 abuts against the inner wall of the through hole 12, thereby simultaneously completing the limiting of the burette head 5 from four sides, and further completing the installation of the burette head 5, avoiding the use of a large number of screws for installation, and improving the installation efficiency of the burette head 5;

[0025] When disassembly is needed, the worker pushes the fixed rod 20, the fixed rod 20 moves along the direction of the T-shaped sliding groove 19, the fixed rod 20 drives the outer ring 9 to rotate, the outer ring 9 drives the plurality of rectangular blocks 10 to move simultaneously, the movement of the rectangular blocks 10 no longer generates pressure on the inclined block 11 due to the abutment of the inclined surface of the rectangular block 10 and the inclined surface of the inclined block 11, the spring 17 is no longer subjected to pressure, the spring 17 drives the inclined block 11 to move until the inclined block 11 abuts against the rectangular block 10, the movement of the inclined block 11 moves away from the through hole 12, thereby enabling the burette head 5 to be disassembled.

Claims

1. A splash-proof titrator device for a Karl Fischer titrator, comprising an infusion bottle (1) and a mounting mechanism, characterized in that: The infusion bottle (1) is fixedly mounted with a burette (3); the mounting mechanism comprises a burette head (5) mounted in the burette head (3); a plurality of through-holes (12) arranged through the burette head (5) are fixedly mounted on the burette head (5); an inclined block (11) is slidably connected in the through-hole (12) and is slidably opposed to the inner wall of the through-hole (12); a reset member capable of driving the inclined block (11) to reset is mounted on the outer side of the burette (3); an outer ring (9) is mounted on the outer side of the burette (3); a rectangular block (10) arranged opposite to the inclined block (11) is fixedly mounted on the outer ring (9); the inclined surface of the rectangular block (10) is slidably opposed to the inclined surface of the inclined block (11); and a fixing rod (20) is fixedly mounted on the outer ring (9).

2. The splash-proof titrator device for a Karl Fischer titrator according to claim 1, characterized in that: The reset member comprises a mounting frame (4) fixedly mounted on the burette (3); an outer ring (9) slidingly opposed to the mounting frame (4) and located within the mounting frame (4); and an inner ring (15) disposed opposite to the outer ring (9) is fixedly mounted within the mounting frame (4).

3. The splash-proof titrator device for a Karl Fischer titrator according to claim 2, characterized in that: The inclined block (11) is sleeved with a fixed plate (16) fixedly connected thereto, and a spring (17) is fixedly mounted on the fixed plate (16) and the inner ring (15).

4. The splash-proof titrator device for a Karl Fischer titrator according to claim 2, characterized in that: A circular opening (21) penetrating the mounting frame (4) is fixedly mounted on the mounting frame (4), and a T-shaped sliding groove (19) opposite to the circular opening (21) is provided on the mounting frame (4).

5. The splash-proof titrator device for a Karl Fischer titrator according to claim 4, characterized in that: A T-shaped block (18) is slidably connected in the T-shaped chute (19) and is slidably opposed to the inner wall of the T-shaped chute (19). A fixing rod (20) passes through the T-shaped block (18) and is fixedly connected thereto.

6. The splash-proof titrator device for a Karl Fischer titrator according to claim 1, characterized in that: A stopper (13) is fixedly installed in the burette (3), and a rubber waterproof ring (14) fixedly connected to the burette head (5) is sleeved on the burette head (5), and the rubber waterproof ring (14) abuts against the stopper (13).

7. The splash-proof titrator device for a Karl Fischer titrator according to claim 1, characterized in that: A plurality of brackets (2) are fixedly mounted on the bottom of the infusion bottle (1), a splash plate (6) is fixedly mounted on the bottom of the titration head (5), and the splash plate (6) is funnel-shaped. A titration tank (7) is mounted on one side of the infusion bottle (1) and is arranged opposite to the splash plate (6), and a plurality of fixing columns (8) are fixedly mounted on the bottom of the titration tank (7).

Images