Titration device of calcium analyzer

Abstract

The utility model relates to a titration device of a calcium analyzer, and belongs to the technical field of titration equipment of the calcium analyzer in the metallurgical industry. According to the technical scheme, the burette comprises an upper cover (1), a shell (2), a piston (3), a piston rod (4), a transparent hose (7), a burette (8), a base (11) and a glass tube (13), the upper cover (1) is arranged on the shell (2), the base (11) is arranged below the shell (2), the glass tube (13) is arranged in the shell (2), the upper end of the glass tube (13) is connected with the burette (8) through the transparent hose (7), the piston (3) is arranged in the glass tube (13), and the upper end of the piston rod (4) is connected with the piston (3). And the lower end of the piston rod (4) penetrates out of the base (11). The utility model has the beneficial effects that the convenience of equipment maintenance and replacement is fully considered, the modular design is adopted, the movement stability is realized through a simple piston structure and a linear bearing, and the titration precision is improved.

Description

Technical Field

[0001] The utility model relates to a calcium analyzer titration device, belonging to the technical field of calcium analyzer titration equipment in the metallurgical industry. Background Art

[0002] Titration is a common method in chemical experiments. It usually determines the total content of a chemical element in a solution by producing a chemical reaction based on the properties of the element. Titration is generally designed and applied based on a specific chemical reaction. It has a complex structure and is inconvenient to disassemble and maintain, which is not conducive to the accurate titration of the calcium analyzer. Utility Model Content

[0003] The utility model aims to provide a calcium analyzer titration device with simple structure, convenient assembly and disassembly, stable operation and high titration accuracy, so as to solve the problems existing in the background technology.

[0004] The technical solution of the utility model is:

[0005] A calcium analyzer titration device comprises an upper cover, an outer shell, a piston, a piston rod, a transparent hose, a burette, a base and a glass tube. The outer shell is cylindrical, the upper cover is arranged on the outer shell, the base is arranged under the outer shell, the glass tube is arranged inside the outer shell, the upper end of the glass tube is connected to the burette through the transparent hose, the piston is arranged in the glass tube, the upper end of the piston rod is connected to the piston, and the lower end of the piston rod passes through the base.

[0006] The upper cover is provided with a second groove matched with the upper end of the glass tube, and the base is provided with a first groove matched with the lower end of the glass tube.

[0007] O-type sealing rings are arranged between the glass tube and the second groove and the first groove.

[0008] The upper cover, the outer shell and the base are connected together by bolts.

[0009] The base is fixed on the support.

[0010] The base is cylindrical, and the support is provided with a circular groove matched with the base.

[0011] The piston rod passes through the support, and a linear bearing is arranged between the piston rod and the support.

[0012] The linear bearing is fixed on the support up and down through the retaining spring.

[0013] The beneficial effects of the utility model are: fully considering the convenience of equipment maintenance and replacement, adopting modular design, realizing the stability of movement with a simple piston structure and a linear bearing, and improving the accuracy of titration. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a cross-sectional view of the utility model;

[0016] Figure 3 This is a schematic diagram of the base structure of the utility model;

[0017] Figure 4 This is the front view of the upper cover of the utility model;

[0018] Figure 5 This is a bottom view of the upper cover of the utility model;

[0019] Figure 6 This is a schematic diagram of the shell structure of the utility model;

[0020] Figure 7 This is a schematic diagram of the piston of the utility model;

[0021] In the figure: 1. upper cover; 2. outer shell; 3. piston; 4. piston rod; 5. gland; 6. support; 7. transparent hose; 8. burette; 9. linear bearing; 10. O-ring; 11. base; 12. retaining ring; 13. glass tube; 14. groove one; 15. threaded hole one; 16. groove two; 17. long hole boss; 18. sub-mouth; 19. flange; 20. bolt hole; 21. thread; 22. fishtail head; 23. bolt; 24. threaded hole two. DETAILED DESCRIPTION

[0022] The present invention will be further described below by way of examples with reference to the accompanying drawings.

[0023] See attached Figure 1-7 A calcium analyzer titration device comprises an upper cover 1, an outer shell 2, a piston 3, a piston rod 4, a transparent hose 7, a burette 8, a base 11 and a glass tube 13. The outer shell 2 is cylindrical, the upper cover 1 is provided on the outer shell 2, the base 11 is provided under the outer shell 2, the glass tube 13 is arranged inside the outer shell 2, the upper end of the glass tube 13 is connected to the burette 8 through the transparent hose 7, the piston 3 is arranged in the glass tube 13, the upper end of the piston rod 4 is connected to the piston 3, and the lower end of the piston rod 4 passes through the base 11.

[0024] In this embodiment, the calcium analyzer titration device includes an upper cover 1, a housing 2, a piston 3, a piston rod 4, a gland 5, a support 6, a transparent hose 7, a burette 8, a linear bearing 9, an O-ring 10, a base 11, a retaining ring 12 and a glass tube 13, wherein the support 6 is a main support member, the base 11 is installed in a circular groove of the support 6, the O-ring 10 is installed in a groove 14 of the base 11, the glass tube 13 is installed on the upper part, and the other end of the glass tube 13 is installed in the groove 21 of the upper cover 1 6, an O-ring 10 is installed between the glass tube 13 and the upper cover 1 for sealing; the outer shell 2 is installed on the outer surface of the upper cover 1, and the long hole boss 17 and the sub-mouth 18 of the upper cover 1 are adaptively assembled with the corresponding holes of the outer shell 2, so that the upper cover 1 is stuck in the outer shell 2; three bolts 23 are respectively passed through the bolt holes 20 of the outer shell 2, and screwed into the threaded holes 15 of the base 11, and a certain pre-tightening force is applied to fix the outer shell 2, the upper cover 1, the O-ring 10, the glass tube 13, and the base 11 into a whole.

[0025] The gland 5 is sleeved on the flange 19 of the housing 2 and is fastened to the support 6 via threads 21 , thereby fixing the housing 2 and the base 11 etc. in the support 6 .

[0026] One end of the transparent hose 7 is connected to the fishtail head 22 of the upper cover 1, and the other end is installed with burettes 8 of different specifications to achieve titration with different precisions.

[0027] The piston 3 is installed inside the glass tube 13 and can move up and down. A threaded hole 24 is designed in the middle of one end of the piston 3 for installing the piston rod 4.

[0028] The piston rod 4 is installed in the threaded hole 24 of the piston 3 and is used to control the position of the piston 3 in the glass tube 13.

[0029] The linear bearing 9 is installed between the support 6 and the piston rod 4, and is fixed to the support 6 by the clamping spring 12 at the top and bottom. This connection method is simple and reliable, and it is convenient to disassemble and replace.

[0030] In the above calcium analyzer titration device:

[0031] Glass tube 13: inner diameter 16mm, outer diameter 20mm, length 74mm

[0032] O-ring 10: Φ20*2.65mm, GB / T 3452.1-2005

[0033] Piston 3: outer diameter 16mm, thickness 6mm

[0034] Piston rod 4: diameter 12mm, length 128mm

[0035] Gland 5: outer diameter 55mm, height 20mm

[0036] Base 11: outer diameter 40mm, height 10mm

[0037] Shell 2: outer diameter about 32mm, height 80mm

[0038] Circlip 12:20

[0039] Linear bearing 9: LM12UU.

Claims

1. A calcium analyzer titration device, characterized in that: The invention comprises an upper cover (1), an outer shell (2), a piston (3), a piston rod (4), a transparent hose (7), a burette (8), a base (11) and a glass tube (13). The outer shell (2) is cylindrical. The upper cover (1) is provided on the upper side of the outer shell (2). The base (11) is provided on the lower side of the outer shell (2). The glass tube (13) is arranged inside the outer shell (2). The upper end of the glass tube (13) is connected to the burette (8) through the transparent hose (7). The piston (3) is arranged inside the glass tube (13). The upper end of the piston rod (4) is connected to the piston (3). The lower end of the piston rod (4) passes through the base (11).

2. A calcium analyzer titration device according to claim 1, characterized in that: The upper cover (1) is provided with a second groove (16) which matches the upper end of the glass tube (13), and the base (11) is provided with a first groove (14) which matches the lower end of the glass tube (13).

3. A calcium analyzer titration device according to claim 2, characterized in that: O-type sealing rings (10) are provided between the glass tube (13) and the second groove (16) and the first groove (14).

4. A calcium analyzer titration device according to claim 1, characterized in that: The upper cover (1), the outer shell (2) and the base (11) are connected together by bolts.

5. A calcium analyzer titration device according to claim 1, characterized in that: The base (11) is fixed on the support (6).

6. A calcium analyzer titration device according to claim 5, characterized in that: The base (11) is cylindrical, and the support (6) is provided with a circular groove that matches the base (11).

7. A calcium analyzer titration device according to claim 6, characterized in that: The piston rod (4) passes through the support (6), and a linear bearing (9) is provided between the piston rod (4) and the support (6).

8. A calcium analyzer titration device according to claim 7, characterized in that: The linear bearing (9) is fixed to the support (6) via a retaining spring (12) at the top and bottom.

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