Wastewater oxygen demand detection device

Abstract

The utility model discloses a wastewater oxygen demand detection device which comprises a device body, and a detection base is mounted in the device body; the device further comprises a plurality of groups of supporting assemblies, and the supporting assemblies are arranged in the device body and used for stabilizing test tubes; the supporting assembly comprises a supporting ring, an annular groove is formed in the middle of the interior of the supporting ring, a plurality of rolling beads are arranged in the annular groove, and a test tube rack is arranged at the bottom of the supporting ring. According to the wastewater oxygen demand detection device, the top of the test tube is supported by the arranged rolling beads, so that the top and the bottom of the test tube are supported by external force, the test tube is prevented from being placed in the detection device, being influenced by the external force, being inclined and preventing internal liquid from spilling and leaking, and meanwhile, the interior of the detection device is protected; when a large amount of liquid and disordered reagents remain in the detection device, the splash-proof mechanism can be detached and cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater oxygen demand detection technical field especially, it relates to a wastewater oxygen demand detection device. BACKGROUND

[0002] Wastewater oxygen demand detection device mainly includes chemical oxygen demand (COD) determination appearance and biochemical oxygen demand (BOD) detector etc.. These instruments are used to assess the organic matter content in wastewater and water quality pollution degree. With the COD determination appearance as an example, its principle is to oxidize the organic matter in water into CO2 and H2O by chemical method, and the amount of oxygen consumed in the oxidation process is used to determine COD. Specifically, this method can involve reflux digestion-titration method or closed catalytic digestion-spectrophotometric method determination principle. For example, in reflux digestion-titration method, strong acid solution and catalyst such as silver sulfate are used, the reducing substances (mainly organic matter) in water are oxidized by potassium dichromate, and then the amount of oxygen consumed in the reducing substances in water is calculated by titration process.

[0003] The current wastewater oxygen demand detection device, when the test tube is placed in the detection device for titration, the hands of the operator are easy to scratch the test tube, causing the test tube to be inclined, affecting the stability of the test tube placement, and serious impact may cause the test tube to pour, and the test solution flows into the detection device, and the existing detection device is usually an integrated device, and when the reagent accidentally drops on the test tube rack inside the detection device during titration, it is not convenient to clean it. UTILITY MODEL CONTENT

[0004] The utility model discloses to the deficiency in prior art, provide a kind of stable placement test tube and the wastewater oxygen demand detection device of detachable test tube rack cleaning.

[0005] To solve the above-mentioned current wastewater oxygen demand detection device, support assembly is provided to support test tube, splash-proof mechanism is provided to protect the inside of detection device, so that the utility model designs a kind of wastewater oxygen demand detection device, and the utility model is solved by the following technical solutions.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of wastewater oxygen demand detection device, comprising:

[0008] Device body, detection base is installed in the inside of the device body;

[0009] Multiple support assemblies, the support assembly is arranged in the inside of device body for stabilizing test tube;The support assembly includes support ring, annular groove is formed in the middle part of the inside of the support ring, a plurality of rolling beads are arranged in the inside of the annular groove, test tube rack is arranged at the bottom of the support ring;

[0010] The splash-proof mechanism is arranged at the bottom of the supporting assembly for preventing the test liquid from splashing.

[0011] Preferably, the top and bottom of the inner wall of the annular groove are fixedly connected with annular plates, and a plurality of rolling balls are movably arranged in the interior of the annular groove.

[0012] Preferably, the bottom of the supporting ring is connected with three supporting plates.

[0013] Preferably, the splash-proof mechanism comprises a splash-proof piece, the top end of the splash-proof piece is connected with a cotton frame, and a plurality of circular grooves are uniformly arranged in the middle portion of the splash-proof piece.

[0014] Preferably, a sliding groove is arranged at the center of the splash-proof piece, and a through groove is arranged in the middle portion of the sliding groove.

[0015] Preferably, sliding plates are slidably connected to the two sides of the interior of the sliding groove, and an L-shaped plate is connected to one end of the sliding plate.

[0016] Preferably, a finger plate is connected to the middle portion of the top end of the sliding plate, and a spring is connected between the two finger plates.

[0017] Preferably, a detection base is mounted in the interior of the device body, a plurality of insertion grooves are uniformly arranged in the top of the detection base, a test tube rack is embedded in the interior of the insertion groove, and a device cover plate is rotatably connected to the top end of the device body.

[0018] Preferably, a special-shaped groove is arranged at the middle portion of the top end of the detection base, and the L-shaped plate is movably embedded in the interior of the special-shaped groove.

[0019] Preferably, the bottom end of the supporting plate is connected with the top end of the splash-proof piece, the top end of the test tube rack is connected with the bottom end of the splash-proof piece, and the test tube rack corresponds to the position of the circular groove.

[0020] Compared with the prior art, the utility model has the advantages that the rolling balls are arranged to support the top of the test tube, the top and bottom of the test tube are supported by external force, the test tube is prevented from being placed in the interior of the detection device and being affected by external force to be inclined and the internal liquid to be spilt, the interior of the detection device is protected, and when there are more liquid and disordered reagents in the interior of the detection device, the splash-proof mechanism can be taken out and cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0022] Figure 1 It is the device three-dimensional structure schematic view of the utility model;

[0023] Figure 2 It is the structure schematic view of the device rolling ball;

[0024] Figure 3 It is the structure schematic view of the annular groove of the utility model;

[0025] Figure 4 It is the structure schematic view of the detection base in the utility model figure;

[0026] Figure 5 It is the structure schematic view of the special-shaped groove of the utility model;

[0027] Figure 6 It is the structure schematic view of the L-shaped plate in the utility model figure

[0028] Figure number explanation: 1, device body; 2, device cover plate; 3, support assembly; 31, support ring; 32, annular groove; 33, rolling ball; 34, support plate; 35, test tube rack; 36, annular plate; 4, splash-proof mechanism; 41, splash-proof piece; 42, sliding groove; 43, through slot; 44, sliding plate; 45, L-shaped plate; 46, finger plate; 47, spring; 48, round groove; 49, cotton frame; 5, detection base; 6, insertion slot; 7, special-shaped groove. DETAILED DESCRIPTION

[0029] The utility model is further described in detail below in conjunction with the drawings.

[0030] The following description is used to disclose the utility model so that the person skilled in the art can realize the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by the person skilled in the art. The basic principles of the utility model defined in the following description can be used in other implementation schemes, modification schemes, improvement schemes, equivalent schemes and other technical schemes without departing from the spirit and scope of the utility model.

[0031] The person skilled in the art should understand that, in the disclosure of the utility model, the orientation or position indicated by the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, which is only for the simplified description of the utility model for the convenience of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the above-mentioned terms cannot be understood as a limitation of the utility model.

[0032] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number. Embodiments

[0033] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , a wastewater oxygen demand detection device comprises:

[0034] The device body 1 is internally provided with a detection base 5 and a plurality of support assemblies 3 arranged inside the device body 1 for stabilizing test tubes; the support assembly 3 comprises a support ring 31, the bottom of the support ring 31 is connected with three support plates 34, the middle part of the inside of the support ring 31 is provided with an annular groove 32, the top and bottom of the inner wall of the annular groove 32 are fixedly connected with annular plates 36, a plurality of rolling beads 33 are movably arranged inside the annular groove 32, the inside of the annular groove 32 is provided with a plurality of rolling beads 33, the rolling beads 33 roll inside the annular groove 32, the side position is shielded by the two annular plates 36 and will not fall off, when the staff inserts the test tube downward through the support ring 31 into the inside of the detection device, the test tube wall and the rolling beads 33 are mutually fitted, driving the rolling beads 33 to roll inside the annular groove 32, when the test tube is inserted into the inside of the detection device, the bottom and outer wall position of the test tube are wrapped and fixed, and are not easy to shake, the bottom of the support ring 31 is provided with a test tube rack 35.

[0035] Specifically, the test tube is inserted into the inside of the detection device from top to bottom, the bottom end of the test tube passes through the middle part of the support ring 31 and is inserted into the inside of the test tube rack 35, the test tube rack 35 is embedded in the inside of the insertion slot 6 for stabilizing the bottom of the test tube, the middle and upper position of the test tube is wrapped in the middle part of the plurality of rolling beads 33 and is not easy to shake, and external force is not easy to cause it to be skewed, when the test tube moves up and down, the plurality of rolling beads 33 rolls on the outer wall of the test tube, and will not increase the friction force in the moving process of the test tube;

[0036] In addition, once the test tube is damaged during the detection process and the internal liquid leaks out, it will not leak into the inside of the detection device, but will be gathered in the inside of the test tube rack 35, and the cleaning of the test solution will be more convenient.

[0037] Preferably, the splash-proof mechanism 4 is arranged at the bottom of the support assembly 3 for preventing liquid splashing, and the splash-proof mechanism 4 comprises a splash-proof piece 41, the top end of the splash-proof piece 41 is connected with a cotton frame 49, a plurality of circular grooves 48 are uniformly arranged in the middle of the splash-proof piece 41, a sliding groove 42 is arranged at the center of the splash-proof piece 41, a through groove 43 is arranged in the middle of the sliding groove 42, two sliding plates 44 are slidably connected to the two sides of the sliding groove 42, one end of each sliding plate 44 is connected with an L-shaped plate 45, the middle of the top end of each sliding plate 44 is connected with a finger plate 46, two spring 47 are connected between the two finger plates 46, and the cotton frame 49 is made of water-absorbing material. When liquid splashes into the inside of the device body 1, the downward flowing liquid can be absorbed by the cotton frame 49, and if the liquid remains on the inner wall of the device body 1, the cotton frame 49 can also clean it when it moves upward.

[0038] The device body 1 is internally provided with a detection base 5, a plurality of insertion grooves 6 are uniformly arranged at the top of the detection base 5, and a test tube rack 35 is embedded in the inside of each insertion groove 6. The top end of the device body 1 is rotatably connected with a device cover plate 2, a special-shaped groove 7 is arranged at the middle of the top end of the detection base 5, and the L-shaped plates 45 are movably embedded in the inside of the special-shaped groove 7. By pinching the finger plates 46, the sliding plates 44 are moved to the middle, the two L-shaped plates 45 penetrate through the top of the special-shaped groove 7 downward until the bottom end of the L-shaped plate 45 is attached to the bottom end of the inner wall of the special-shaped groove 7. By releasing the pinched finger plates 46, the spring 47 rebounds, and the L-shaped plates 45 are inserted into the two sides of the special-shaped groove 7. In this way, the splash-proof piece 41 can be more stably fixed on the top of the detection base 5. The bottom end of the supporting plate 34 is connected with the top end of the splash-proof piece 41, the top end of the test tube rack 35 is connected with the bottom end of the splash-proof piece 41, and the test tube rack 35 corresponds to the position of the circular groove 48.

[0039] As can be seen from the above, by pinching the finger plates 46, the two sliding plates 44 are moved to each other, the splash-proof piece 41 is pushed downward, the splash-proof piece 41 is moved to the top of the detection base 5, the L-shaped plates 45 correspond to the special-shaped groove 7, the two L-shaped plates 45 are inserted into the inside of the special-shaped groove 7, the splash-proof piece 41 is pushed downward until the bottom end of the splash-proof piece 41 is attached to the top end of the detection base 5, at this time, the bottom end of the L-shaped plate 45 is attached to the bottom end of the inner wall of the special-shaped groove 7, the pinching of the two finger plates 46 is released, the two finger plates 46 are pushed to the two sides by the rebounding force of the spring 47, the L-shaped plates 45 are moved to the two sides, the bottom of the L-shaped plate 45 is inserted into the two sides of the bottom of the special-shaped groove 7, and the splash-proof piece 41 is more stably fixed. By pinching the two finger plates 46, the side walls of the two L-shaped plates 45 are completely attached, the splash-proof piece 41 can be pulled upward and taken out.

[0040] It will be understood by those skilled in the art that the embodiments of the present application described above and shown in the drawings are merely illustrative and not restrictive of the present application. The object of the present application has been completely and effectively achieved. The function and structural principle of the present application have been shown and described in the embodiments, and the embodiments of the present application can have any deformation or modification without departing from the principle.

Claims

1. A wastewater oxygen demand detecting device, characterized by comprising: Include: The device body (1), the inside of the device body (1) is mounted with detection base (5); A plurality of sets of supporting components (3) are arranged inside the device body (1) for stabilizing the test tube; the supporting component (3) comprises a supporting ring (31), a ring-shaped groove (32) is formed in the middle of the supporting ring (31), a plurality of rolling balls (33) are arranged in the ring-shaped groove (32), and a test tube rack (35) is arranged at the bottom of the supporting ring (31); The splash-proof mechanism (4) is arranged at the bottom of the supporting component (3) for preventing liquid splash.

2. The device for detecting the oxygen demand of wastewater according to claim 1, characterized in that: The top and bottom of the inner wall of the ring-shaped groove (32) are fixedly connected with a ring-shaped plate (36), and a plurality of rolling balls (33) are movably arranged in the ring-shaped groove (32).

3. The apparatus for detecting the oxygen demand of wastewater according to claim 2, characterized in that: The bottom of the supporting ring (31) is connected with three supporting plates (34).

4. The device for detecting the oxygen demand of wastewater according to claim 1, characterized in that: The splash-proof mechanism (4) comprises a splash-proof piece (41), the top end of the splash-proof piece (41) is connected with a cotton frame (49), and a plurality of circular grooves (48) are uniformly formed in the middle of the splash-proof piece (41).

5. The apparatus for detecting the oxygen demand of wastewater according to claim 4, characterized in that: A sliding groove (42) is formed in the center of the splash-proof piece (41), and a through groove (43) is formed in the middle of the sliding groove (42).

6. The apparatus for detecting the oxygen demand of wastewater according to claim 5, characterized in that: The two sides of the sliding groove (42) are slidably connected with a sliding plate (44), and one end of the sliding plate (44) is connected with an L-shaped plate (45).

7. The apparatus for detecting the oxygen demand of wastewater according to claim 6, characterized in that: The middle of the top end of the sliding plate (44) is connected with a finger plate (46), and the two finger plates (46) are connected with a spring (47).

8. The apparatus for detecting the oxygen demand of wastewater according to claim 1, characterized in that: The inside of the device body (1) is mounted with a detection base (5), a plurality of insertion grooves (6) are uniformly formed in the top of the detection base (5), the test tube rack (35) is embedded in the inside of the insertion groove (6), and the top of the device body (1) is rotatably connected with a device cover plate (2).

9. The apparatus for detecting the oxygen demand of wastewater according to claim 8, characterized in that: The middle of the top of the detection base (5) is provided with a special-shaped groove (7), and the L-shaped plate (45) is movably embedded in the inside of the special-shaped groove (7).

10. The apparatus for detecting the oxygen demand of wastewater according to claim 3, characterized in that: The bottom end of the supporting plate (34) is connected with the top end of the splash-proof piece (41), the top end of the test tube rack (35) is connected with the bottom end of the splash-proof piece (41), and the test tube rack (35) corresponds to the position of the circular groove (48).

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