Special digestion tank for total nitrogen in water

Abstract

The utility model relates to the technical field of water quality standard measurement, and discloses a special digestion tank for total nitrogen in water quality, which comprises a tank body, a cover body is arranged at the top of the tank body, a horizontal partition plate is arranged in the tank body, a plurality of through holes are formed in the horizontal partition plate, and mounting grooves extending into the through holes are formed in the horizontal partition plate. A rotating rod and a connecting rod are arranged in the mounting groove, the rotating rod is sleeved with a transmission gear, one end of the connecting rod is provided with an arc-shaped rack meshed with the transmission gear, and the other end of the connecting rod is provided with an arc-shaped clamping plate. The arc-shaped plate is arranged in the through hole, the rotating rod is rotated anticlockwise to drive the transmission gear to rotate along with the arc-shaped plate, then the transmission gear drives the arc-shaped rack to move, and the arc-shaped rack drives the connecting rod to rotate along the fixing rod, so that the arc-shaped plate moves towards the center of the through hole; and the colorimetric tube placed in the through hole is clamped and fixed by the arc-shaped plate, so that the function that the device is adjusted according to the size of the colorimetric tube of the required specification in the experiment process is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality standard determination, in particular to a special digestion tank for water quality total nitrogen. Background Art

[0002] At present, there are colorimetric tube barrels for total nitrogen digestion in water on the market. A partition with a circular hole is installed on the middle inner wall of the barrel. Multiple colorimetric tubes are vertically placed in the barrel through the partition, and then the whole is placed in a high-pressure steam sterilizer for high-temperature digestion. When using this colorimetric tube barrel, there is no need to wrap the colorimetric tube openings one by one with gauze and cotton thread. While improving the digestion efficiency, it can also effectively prevent the pop-up of the colorimetric tube plug during the digestion process. However, the size of the circular hole opened on the internal partition of the existing colorimetric tube barrel usually only corresponds to one type of colorimetric tube, and cannot be adjusted according to the size of the colorimetric tube required in the experiment. Utility Model Content

[0003] The utility model aims to provide a special digestion tank for total nitrogen in water to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special digestion tank for total nitrogen in water, comprising a tank body, a cover body is provided on the top of the tank body, the cover body is connected to the tank body by a snap fastener, a horizontal partition is provided in the tank body, a plurality of through holes are opened on the horizontal partition, and a mounting groove extending into the through hole is provided in the horizontal partition, a rotating rod and a connecting rod are provided in the mounting groove, a transmission gear is mounted on the rotating rod, one end of the connecting rod is provided with an arc-shaped rack meshing with the transmission gear, and the other end is provided with an arc-shaped clamping plate, a fixing rod is provided through the middle of the connecting rod, and both ends of the fixing rod are respectively fixedly connected to the inner wall of the mounting groove, one end of the rotating rod passes through the horizontal partition, and the other end is connected to the inner wall of the mounting groove through a bearing seat.

[0005] The following improvement is made in the present application: a rubber cushion is provided on the inner side of the arc clamp along the length direction. The rubber cushion is provided between the arc clamp and the colorimetric tube, which is conducive to improving the tightness between the arc clamp and the colorimetric tube, making it difficult to slip when clamped, and reducing the wear on the colorimetric tube.

[0006] The following improvement is made in the solution of the present application: a limit gear is mounted on the rotating rod, a clamping block is provided on the side of the limit gear, and the clamping block is slidably connected to the horizontal partition.

[0007] The following improvement is made in the solution of the present application: the inner wall of the installation groove is provided with a rectangular hole penetrating the horizontal partition, and the clamping block is slidably installed in the rectangular hole. Through the matching arrangement of the limit gear and the clamping block, the clamping block slides forward and backward along the rectangular hole. When the lower end of the clamping block is located between the teeth of the limit gear, the limit gear cannot rotate, so that the clamped arc plate will not loosen.

[0008] The following improvement is made in the present application: a silica gel cushion is provided on the inner side of the cover and the inner bottom of the tank body. The silica gel provides a buffer force to prevent the colorimetric tube and the tank body from breaking due to excessive pressure.

[0009] The following improvements are made in the present application: a handle is provided at the upper end of the side of the tank body, and the handle includes a carrying strip and an L-shaped rod, and the L-shaped rod is arranged at both ends of the carrying strip, and the carrying strip is connected to the tank body through the L-shaped rod. The carrying strip is made of scalding-proof material, and after the digestion is completed, the tank body is directly lifted out of the high-pressure steam sterilizer and placed in a ventilated place for natural cooling.

[0010] Compared with the prior art, the utility model provides a special digestion tank for total nitrogen in water, which has the following beneficial effects:

[0011] The utility model arranges an arc-shaped plate in a through hole on a horizontal partition plate, rotates a rotating rod counterclockwise to drive a transmission gear to rotate, and then the transmission gear drives the arc-shaped rack meshing with the transmission gear to move, and the arc-shaped rack drives the connecting rod to rotate along the fixed rod, so that the arc-shaped plate moves toward the center of the through hole until the arc-shaped plate clamps and fixes the colorimetric tube placed in the through hole, thereby realizing the function of adjusting the device according to the colorimetric tube size of the required specifications during the experiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a cross-sectional view of the utility model;

[0013] Figure 2 It is a partial schematic diagram of a horizontal partition;

[0014] Figure 3 Schematic diagram of the connection between the rotating rod and the connecting rod.

[0015] In the figure: 1. tank body; 11. carrying bar; 12. L-shaped rod; 2. cover body; 21. snap fastener; 22. silicone pad; 3. horizontal partition; 31. through hole; 32. rectangular hole; 4. rotating rod; 41. connecting rod; 42. transmission gear; 43. arc-shaped rack; 44. arc-shaped clamping plate; 45. fixing rod; 46. limit gear; 47. block. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiment of the present invention will be described below in conjunction with the accompanying drawings in the embodiment of the present invention:

[0017] like Figure 1-3As shown, a special digestion tank for total nitrogen in water is mainly composed of a tank body 1 and a cover body 2, wherein the cover body 2 is located on the top of the tank body 1, and the cover body 2 and the tank body 1 are connected by a snap fastener 21; a handle is provided at the upper end of the side of the tank body 1, and the handle includes a carrying strip 11 and an L-shaped rod 12, wherein the L-shaped rod 12 is arranged at both ends of the carrying strip 11, and the carrying strip 11 is connected to the tank body 1 through the L-shaped rod 12; a silicone pad 22 is provided on the inner side of the cover body 2 and the inner bottom of the tank body 1.

[0018] A horizontal partition 3 is provided in the tank body 1, and a plurality of through holes 31 are opened on the horizontal partition 3, and a mounting groove extending into the through hole 31 is provided in the horizontal partition 3, and a rotating rod 4 and a connecting rod 41 are provided in the mounting groove, and a transmission gear 42 is set on the rotating rod 4, and an arc-shaped rack 43 meshing with the transmission gear 42 is provided at one end of the connecting rod 41, and an arc-shaped clamping plate 44 is provided at the other end, and a fixing rod 45 is provided through the middle of the connecting rod 41, and the two ends of the fixing rod 45 are respectively fixedly connected to the inner wall of the mounting groove, and one end of the rotating rod 4 passes through the water The other end of the horizontal partition 3 is connected to the inner wall of the mounting groove through a bearing seat, and a rotating handle is mounted on the rotating rod 4 located on the outer side of the horizontal partition 3, which is convenient for rotating the rotating rod 4 clockwise or counterclockwise. A rubber cushion is provided on the inner side of the arc-shaped clamping plate 44 along the length direction. A limit gear 46 is mounted on the rotating rod 4, and a clamping block 47 is provided on the side of the limit gear 46. The clamping block 47 is slidably connected to the horizontal partition 3. A rectangular hole 32 penetrating the horizontal partition 3 is opened on the inner wall of the mounting groove, and the clamping block 47 is slidably installed in the rectangular hole 32.

[0019] The above embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Claims

1. A special digestion tank for total nitrogen in water, characterized by: The invention comprises a tank body (1), wherein a cover body (2) is provided on the top of the tank body (1), wherein the cover body (2) is connected to the tank body (1) via a snap-fit ​​piece (21), wherein a horizontal partition (3) is provided inside the tank body (1), wherein a plurality of through holes (31) are provided on the horizontal partition (3), and wherein a mounting groove extending into the through holes (31) is provided inside the horizontal partition (3), wherein a rotating rod (4) and a connecting rod (41) are provided inside the mounting groove, wherein a transmission gear (42) is sleeved on the rotating rod (4), wherein one end of the connecting rod (41) is provided with an arc-shaped rack (43) meshing with the transmission gear (42), and the other end is provided with an arc-shaped clamping plate (44), wherein a fixing rod (45) is provided through the middle of the connecting rod (41), wherein both ends of the fixing rod (45) are respectively fixedly connected to the inner wall of the mounting groove, wherein one end of the rotating rod (4) passes through the horizontal partition (3), and the other end is connected to the inner wall of the mounting groove via a bearing seat.

2. A special digestion tank for total nitrogen in water according to claim 1, characterized in that: A rubber cushion layer is provided on the inner side of the arc-shaped clamping plate (44) along the length direction.

3. A special digestion tank for total nitrogen in water according to claim 1, characterized in that: The rotating rod (4) is sleeved with a limit gear (46), a clamping block (47) is provided on the side of the limit gear (46), and the clamping block (47) is slidably connected to the horizontal partition (3).

4. A special digestion tank for total nitrogen in water according to claim 3, characterized in that: The inner wall of the installation groove is provided with a rectangular hole (32) penetrating the horizontal partition (3), and the clamping block (47) is slidably installed in the rectangular hole (32).

5. A special digestion tank for total nitrogen in water according to claim 1, characterized in that: The inner side of the cover body (2) and the inner bottom of the tank body (1) are both provided with a silica gel cushion layer (22).

6. A special digestion tank for total nitrogen in water according to claim 1, characterized in that: A handle is provided at the upper end of the side of the tank body (1), and the handle comprises a carrying bar (11) and an L-shaped rod (12). The L-shaped rod (12) is arranged at both ends of the carrying bar (11), and the carrying bar (11) is connected to the tank body (1) via the L-shaped rod (12).

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