Sample stirring device of COD (Chemical Oxygen Demand) analysis robot

Abstract

A sample stirring device of a COD analysis robot comprises a fixed connecting rod, a telescopic adjusting rod and folding stirring blades, a fastening threaded hole is formed in the top of the fixed connecting rod, the inner side of the fastening threaded hole is connected with a stirrer motor shaft, and two symmetrical first connecting rings are arranged on the lower portion of the fixed connecting rod; a plurality of uniformly distributed positioning threaded holes are formed in the outer side of the fixed connecting rod, a telescopic adjusting rod is connected to the inner side of the fixed connecting rod and slides in the fixed connecting rod, two symmetrical folding stirring blades are connected to the outer side of the telescopic adjusting rod, a first sliding hole is formed in the inner side of the fixed connecting rod, and a positioning sliding rod is arranged on the inner side of the first sliding hole; the top of the telescopic adjusting rod is provided with an adjusting protruding rod, the adjusting protruding rod is matched with the first sliding hole and slides in the first sliding hole, and the upper portion of the adjusting protruding rod is provided with a fixing threaded hole.

Description

Technical Field

[0001] The utility model relates to the field of sample stirring, in particular to a COD analysis robot sample stirring device. Background Art

[0002] The existing patent (Announcement No.: 202110256090.0) proposes a stirring device, including a tank body, a stirring system, a flushing system and a cleaning system; a feed port is set at the top of the tank body, and a discharge port is set at the bottom; the stirring system includes a driving mechanism, a first stirring structure and a second stirring structure, and the driving mechanism is used to drive the first stirring structure and the second stirring structure to rotate in the opposite direction; the flushing system and the cleaning system are used to fully clean the tank body after use. The stirring blade structure on the stirring shaft of the above device is fixed and can only be used for a single tank body. It cannot be adjusted according to actual conditions, and the scope of application is limited, which has disadvantages. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a telescopic adjustment rod which can be extended downward to adjust according to the depth of the sample storage device, and can also be extended or retracted according to actual conditions, and can be used in conjunction with sample storage devices with different inner diameters and different depths. The utility model has a wide range of applications, is convenient to adjust, and is simple to operate. A plurality of stirring leaves work simultaneously, and the plurality of stirring leaves have different lengths, so that the sample is stirred at multiple levels, the stirring is more uniform, the stirring effect is better, the stirring time is saved, and the COD analysis robot sample stirring device has high work efficiency.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A COD analysis robot sample stirring device comprises a fixed connecting rod, a telescopic adjustment rod and a folding stirring leaf, wherein the top of the fixed connecting rod is provided with a fastening threaded hole, the inner side of the fastening threaded hole is connected to the stirrer motor shaft, the lower part of the fixed connecting rod is provided with two symmetrical No. 1 connecting rings, the outer side of the fixed connecting rod is provided with a plurality of evenly distributed positioning threaded holes, the inner side of the fixed connecting rod is connected to the telescopic adjustment rod, the telescopic adjustment rod slides in the fixed connecting rod, the outer side of the telescopic adjustment rod is connected to two symmetrical folding stirring leaves, the inner side of the fixed connecting rod is provided with a No. 1 sliding hole, the inner side of the No. 1 sliding hole is provided with a positioning sliding rod, the top of the telescopic adjustment rod is provided with an adjusting convex rod, the adjusting convex rod cooperates with the No. 1 sliding hole, the adjusting convex rod slides in the No. 1 sliding hole, the upper part of the adjusting convex rod is provided with a fixed threaded hole, the fixed threaded hole corresponds to the positioning threaded hole, the inner part of the adjusting convex rod is provided with a No. 2 sliding hole, the No. 2 sliding hole cooperates with the positioning sliding rod, and the positioning sliding rod slides in the No. 2 sliding hole.

[0006] The outer side of the telescopic adjustment rod is provided with two symmetrical No. 2 auxiliary stirring pages, the outer side of the telescopic adjustment rod is provided with two No. 1 positioning grooves, the inner side of the No. 1 positioning groove is provided with a baffle bar, the No. 1 positioning groove is located directly below the No. 2 auxiliary stirring page, the top of the No. 1 positioning groove is provided with a rope hole, the lower part of the telescopic adjustment rod is provided with a No. 2 positioning groove, the opening position of the No. 2 positioning groove is located directly below the No. 1 positioning groove, the bottom of the No. 2 positioning groove is provided with a positioning slot, the positioning slot cooperates with the positioning slide bar, the positioning slide bar slides in the positioning slot, the lower part of the telescopic adjustment rod is connected with two symmetrical No. 1 auxiliary stirring pages, the bottom of the telescopic adjustment rod is provided with two symmetrical No. 3 auxiliary stirring pages, the No. 3 auxiliary stirring page is symmetrical with the No. 2 auxiliary stirring page. Beneficial Effects

[0007] The telescopic adjustment rod of the utility model can be extended downwards to be adjusted according to the depth of the sample storage device, so as to be used in conjunction with sample storage devices of different depths.

[0008] The foldable stirring blade of the utility model can be extended or contracted according to actual conditions, and can stir sample storage devices with different inner diameters. The device can be used in conjunction with different sample storage devices, has a wide range of applications, is easy to adjust, and is simple to operate.

[0009] The utility model has a plurality of stirring blades working at the same time, and the lengths of the plurality of stirring blades are different, so that the sample is stirred at multiple levels, the stirring is more uniform, the stirring effect is better, the stirring time is saved, and the working efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the closed structure of a COD analysis robot sample stirring device described in the utility model.

[0011] Figure 2 This is a sectional view of the closed structure of a COD analysis robot sample stirring device described in the utility model.

[0012] Figure 3 This is a schematic diagram of the expanded structure of a COD analysis robot sample stirring device described in the utility model.

[0013] Figure 4 This is a cross-sectional view of the expanded structure of a COD analysis robot sample stirring device described in the utility model.

[0014] Figure 5 The utility model is a schematic diagram of a fixed connecting rod structure of a COD analysis robot sample stirring device.

[0015] Figure 6 The utility model is a schematic diagram of the structure of a telescopic adjustment rod of a COD analysis robot sample stirring device.

[0016] Figure 7 This is a schematic diagram of the closed structure of the foldable stirring leaves of the COD analysis robot sample stirring device described in the utility model.

[0017] Figure 8 The utility model is a schematic diagram of the unfolding structure of the folding stirring page of the COD analysis robot sample stirring device.

[0018] Fig. 9 This is a structural schematic diagram of the auxiliary stirring page No. 1 of the COD analysis robot sample stirring device described in the utility model. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0020] Embodiment 1:

[0021] A COD analysis robot sample stirring device comprises a fixed connecting rod 01, a telescopic adjustment rod 02, and a folding stirring leaf 03. The top of the fixed connecting rod 01 is provided with a fastening threaded hole 15, the inner side of the fastening threaded hole 15 is connected to the stirrer motor shaft, the lower part of the fixed connecting rod 01 is provided with two symmetrical No. 1 connecting rings 13, the outer side of the fixed connecting rod 01 is provided with a plurality of evenly distributed positioning threaded holes 14, the inner side of the fixed connecting rod 01 is connected to the telescopic adjustment rod 02, the telescopic adjustment rod 02 slides in the fixed connecting rod 01, the outer side of the telescopic adjustment rod 02 is connected to two symmetrical folding stirring leaves 03, and the inner side of the fixed connecting rod 01 is provided with a No. 1 sliding hole 11, a positioning slide rod 12 is provided inside the No. 1 slide hole 11, an adjusting convex rod 21 is provided on the top of the telescopic adjustment rod 02, the adjusting convex rod 21 cooperates with the No. 1 slide hole 11, the adjusting convex rod 21 slides in the No. 1 slide hole 11, a fixing threaded hole 29 is provided on the upper part of the adjusting convex rod 21, the fixing threaded hole 29 corresponds to the positioning threaded hole 14, a No. 2 slide hole 20 is provided inside the adjusting convex rod 21, the No. 2 slide hole 20 cooperates with the positioning slide rod 12, the positioning slide rod 12 slides in the No. 2 slide hole 20, the telescopic adjustment rod 02 can be extended downwardly for adjustment according to the depth of the sample storage device, so as to be used with sample storage devices of different depths.

[0022] Embodiment 2:

[0023] The utility model has two symmetrical No. 2 auxiliary stirring pages 22 on the outer side of the telescopic adjusting rod 02, two No. 1 positioning grooves 23 on the outer side of the telescopic adjusting rod 02, a baffle 28 on the inner side of the No. 1 positioning groove 23, the No. 1 positioning groove 23 is located directly below the No. 2 auxiliary stirring page 22, the No. 1 positioning groove 23 has a rope hole 26 on the top, the telescopic adjusting rod 02 has a No. 2 positioning groove 24 on the lower part, the No. 2 positioning groove 24 has an opening position located directly below the No. 1 positioning groove 23, the No. 2 positioning groove 24 has a positioning slot 27 at the bottom, the positioning slot 27 cooperates with the positioning slide bar 12, the positioning slide bar 12 slides in the positioning slot 27, the lower part of the telescopic adjusting rod 02 is connected to two symmetrical No. 1 auxiliary stirring pages 04, the telescopic adjusting rod 02 has two symmetrical No. 3 auxiliary stirring pages 25 at the bottom, the No. 3 auxiliary stirring page 25 is symmetrical with the No. 2 auxiliary stirring page 22.

[0024] Embodiment 3:

[0025] The utility model foldable stirring blade 03 comprises a stirring blade 31, a stirring blade 32, a stirring blade 33 and a stirring blade 34. One end of the stirring blade 31 is connected to the telescopic adjustment rod 02, and a connecting ear at the other end of the stirring blade 31 is connected to the upper connecting ear of the stirring blade 32 through a rotating shaft. A connecting ear on one side of the lower part of the stirring blade 32 is connected to a connecting ear at one end of the stirring blade 33 through a rotating shaft. A connecting ear on the other end of the stirring blade 33 is inserted into a No. 2 positioning groove 24 and connected to the lower connecting ear of the positioning slide bar 12 through a rotating shaft. The stirring blade 33 swings in the No. 2 positioning groove 24, and a connecting ear on the other side of the lower part of the stirring blade 32 is connected to the No. 4 stirring blade 34 through a rotating shaft. The foldable stirring blade 03 can be extended or contracted according to actual conditions, and can stir sample storage devices with different inner diameters. The device can be used in conjunction with different sample storage devices, has a wide range of applications, is convenient to adjust, and is simple to operate.

[0026] Embodiment 4:

[0027] The utility model discloses a stirring page No. 4 34 with a spring 35 connected to the outside, the other end of the spring 35 connected to the stirring page No. 2 32, the upper part of the stirring page No. 4 34 is provided with a connecting ring No. 2 36, the outside of the connecting ring No. 2 36 is connected to the pull rope 05, the outside of the pull rope 05 is connected to the baffle rod 28, the top of the pull rope 05 passes through the positioning groove No. 1 23, the baffle rod 28, the rope hole 26 in sequence to connect the connecting ring No. 1 13, the pull rope 05 slides on the baffle rod 28, and the pull rope 05 slides in the rope hole 26, the auxiliary stirring page No. 2 22, the positioning groove No. 1 23, the folding stirring page 03, the positioning groove No. 2 24, the auxiliary stirring page No. 1 04, and the auxiliary stirring page No. 3 25 are arranged in sequence from top to bottom on the outside of the telescopic adjusting rod 02, a plurality of stirring pages work at the same time, and the lengths of the plurality of stirring pages are different, so that the sample is stirred at multiple levels, the stirring is more uniform, the stirring effect is better, the stirring time is saved, and the working efficiency is high.

[0028] Embodiment 5:

[0029] Installation steps: When in use, connect the entire device to the motor shaft of the stirring device, then extend the device into the sample storage device, and then slide the telescopic adjustment rod 02 downward according to the size of the inner diameter of the sample storage device. The telescopic adjustment rod 02 folds and unfolds the stirring page 03 during the sliding process. After the folded stirring page 03 is unfolded to a suitable angle, use a screw to pass through the positioning threaded hole 14 to connect the fixed threaded hole 29, so as to fix the telescopic adjustment rod 02. It can also be adjusted according to the depth of the sample storage device. The device can be used with sample storage devices with different inner diameters and depths. It has a wide range of applications, is easy to adjust, and is simple to operate. At the same time, during the stirring process of the folded stirring page 03, the second auxiliary stirring page 22, the first auxiliary stirring page 04, and the third auxiliary stirring page 25 are also stirred at the same time. Multiple stirring pages work at the same time, and the lengths of the multiple stirring pages are different. The sample is stirred at multiple levels, the stirring is more uniform, and the stirring effect is better.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A COD analysis robot sample stirring device, characterized in that : It comprises a fixed connecting rod (01), a telescopic adjusting rod (02), and a folding stirring blade (03). The top of the fixed connecting rod (01) is provided with a fastening threaded hole (15), the inner side of the fastening threaded hole (15) is connected to the stirrer motor shaft, the lower part of the fixed connecting rod (01) is provided with two symmetrical No. 1 connecting rings (13), the outer side of the fixed connecting rod (01) is provided with a plurality of evenly distributed positioning threaded holes (14), the inner side of the fixed connecting rod (01) is connected to the telescopic adjusting rod (02), the telescopic adjusting rod (02) slides in the fixed connecting rod (01), the outer side of the telescopic adjusting rod (02) is connected to two symmetrical folding stirring blades (03), the fixed connecting rod (01) is provided with a telescopic adjusting rod (02), and the fixed connecting rod (01) is provided with a telescopic adjusting rod (02). The connecting rod (01) has a first sliding hole (11) on the inner side, and a positioning sliding rod (12) on the inner side of the first sliding hole (11). The top of the telescopic adjustment rod (02) has an adjustment protrusion (21), and the adjustment protrusion (21) cooperates with the first sliding hole (11). The adjustment protrusion (21) slides in the first sliding hole (11). The upper part of the adjustment protrusion (21) has a fixed threaded hole (29), and the fixed threaded hole (29) corresponds to the positioning threaded hole (14). The inside of the adjustment protrusion (21) has a second sliding hole (20), and the second sliding hole (20) cooperates with the positioning sliding rod (12). The positioning sliding rod (12) slides in the second sliding hole (20).

2. A COD analysis robot sample stirring device according to claim 1, characterized in that The telescopic adjustment rod (02) has two symmetrical second auxiliary stirring leaves (22) on the outside, the telescopic adjustment rod (02) has two first positioning grooves (23) on the outside, the first positioning groove (23) has a blocking rod (28) on the inside, the first positioning groove (23) is located below the second auxiliary stirring leaf (22), the top of the first positioning groove (23) has a rope hole (26), the lower part of the telescopic adjustment rod (02) has a second positioning groove (24), the opening position of the second positioning groove (24) is located at a Directly below the No. 1 positioning groove (23), the bottom of the No. 2 positioning groove (24) has a positioning slot (27), the positioning slot (27) cooperates with the positioning slide bar (12), the positioning slide bar (12) slides in the positioning slot (27), the lower part of the telescopic adjustment rod (02) is connected to two symmetrical No. 1 auxiliary stirring pages (04), and the bottom of the telescopic adjustment rod (02) has two symmetrical No. 3 auxiliary stirring pages (25), and the No. 3 auxiliary stirring page (25) is symmetrical with the No. 2 auxiliary stirring page (22).

3. A COD analysis robot sample stirring device according to claim 2, characterized in that The foldable stirring page (03) comprises a stirring page No. 1 (31), a stirring page No. 2 (32), a stirring page No. 3 (33), and a stirring page No. 4 (34). One end of the stirring page No. 1 (31) is connected to the telescopic adjustment rod (02). The connecting ear at the other end of the stirring page No. 1 (31) is connected to the upper connecting ear of the stirring page No. 2 (32) through a rotating shaft. The connecting ear at one side of the lower part of the stirring page No. 2 (32) is connected to the connecting ear at one end of the stirring page No. 3 (33) through a rotating shaft. The connecting ear at the other end of the stirring page No. 3 (33) is inserted into the No. 2 positioning groove (24) and connected to the lower connecting ear of the positioning slide bar (12) through a rotating shaft. The stirring page No. 3 (33) swings in the No. 2 positioning groove (24). The connecting ear at the other side of the lower part of the stirring page No. 2 (32) is connected to the No. 4 stirring page (34) through a rotating shaft.

4. A COD analysis robot sample stirring device according to claim 3, characterized in that The outer side of the fourth stirring page (34) is connected to a spring (35), and the other end of the spring (35) is connected to the second stirring page (32). The upper part of the fourth stirring page (34) is provided with a second connecting ring (36). The outer side of the second connecting ring (36) is connected to a pull rope (05), and the outer side of the pull rope (05) is connected to a baffle rod (28). The top end of the pull rope (05) passes through the first positioning groove (23), the baffle rod (28), and the rope hole (26) in sequence to connect the first connecting ring (13). The pull rope (05) slides on the baffle rod (28), and the pull rope (05) slides in the rope hole (26). The second auxiliary stirring page (22), the first positioning groove (23), the folding stirring page (03), the second positioning groove (24), the first auxiliary stirring page (04), and the third auxiliary stirring page (25) are arranged in sequence from top to bottom on the outer side of the telescopic adjustment rod (02).

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