CN217359719U - Electrode rotating device for heavy metal detection - Google Patents

Abstract

An electrode rotating apparatus for heavy metal detection, comprising: the electrode plate comprises a telescopic upright post, an installation bottom plate, an electric slip ring, a hollow motor, a guide assembly provided with an electrode socket and an electrode plate, wherein two sides of the bottom of the installation bottom plate are fixedly connected with the telescopic upright post and the hollow motor respectively; and the lead on the fixed end of the electric slip ring sequentially passes through the second through hole on the mounting base plate and the central hole of the telescopic stand column and then is connected with an external control end. The advantages are that: the motor drives the electrode plate to rotationally stir the solution in the sample cell, so that heavy metal ions are more quickly enriched on the electrode plate, and the accuracy of a detection result is improved; just the utility model discloses simple structure, convenient operation, the suitability is strong.

Description

An electrode rotating device for heavy metal detection

technical field

The utility model relates to the technical field of heavy metal detection instruments, in particular to an electrode rotating device used for heavy metal detection.

Background technique

At present, the electrochemical heavy metal detectors on the market are detected by inserting the electrode sheet into the sample cup containing the solution to be tested, and then rotating the sample cup. Due to the small friction between the solution to be tested and the sample cup in the cup, the solution will not rotate with the cup immediately. At the same time, due to the blocking effect of the electrode sheet, it takes a long time to fully agitate the solution to be tested. The enrichment efficiency of heavy metals not tall.

Utility model content

The utility model provides an electrode rotating device for heavy metal detection, which aims to use a rotating electrode sheet to agitate a stationary solution to be tested, and solve the problem of poor enrichment effect of heavy metals in the past.

In order to realize the above-mentioned purpose of the utility model, the utility model provides the following technical solutions:

An electrode rotating device for heavy metal detection, comprising: a telescopic column, an installation base plate, an electric slip ring, a hollow motor, a guide assembly installed with an electrode socket, and an electrode sheet, the two sides of the bottom of the installation base plate are respectively connected to the telescopic The column and the hollow motor are fixedly connected, and the rotating end of the electric slip ring is inserted into the hollow motor through the No. 1 through hole on the mounting base plate, so that the wires on the electric slip ring pass through the hollow motor and then connected with the electrode socket in the guide assembly, and the electrode socket is used to install the electrode sheet;

Wherein, the wires on the fixed end of the electric slip ring pass through the No. 2 via hole on the installation base plate and the center hole of the telescopic column in sequence, and then connect to the external control end for transmitting the electric power of the electrode sheet. Signal.

Preferably, the telescopic column includes a hollow sleeve and a moving rod sleeved with the hollow sleeve, the insertion section of the moving rod is adapted to fit into the hollow sleeve, and the hand-held section of the moving rod is suitable for fitting into the hollow sleeve. the upper part outside the hollow sleeve;

Wherein, the diameter of the insertion section is larger than the diameter of the hand-held section, and the hand-held section is used to be fixedly connected with the mounting base plate; the insertion section and the hand-held section are coaxially arranged for the wire to pass through. heart structure.

Preferably, a guide chute is formed along the length direction of the insertion section, and a locking hole is formed on the hollow sleeve for the locking screw to pass through, so that the insertion end of the locking screw is inserted into the locking hole after passing through the locking hole. Guide chute.

Preferably, a lead slot connected to the No. 1 via hole is provided on the mounting base plate, so that the wires on the hollow motor pass through the No. 2 via hole, all The center hole of the telescopic column is connected with the external control end.

Preferably, the guide assembly includes a transition plate with a third through hole in the middle, a rotating plate, a transition boss, and a guide plate with a guide groove, the transition plate, the rotating plate, the transition boss, and the guide plate. Connected sequentially from top to bottom, the upper and lower parts of the electrode socket are located in the rotating disk and the transition boss respectively, so that the upper end of the electrode sheet is inserted into the electrode socket, and the lower end is fixed to the guide plate. in the guide groove.

Preferably, it also includes a casing adapted to be sealed with the mounting base, so that the electric slip ring is accommodated in a sealed accommodating cavity formed by the mounting base and the casing.

The utility model relates to an electrode rotating device for heavy metal detection, which has the advantages that: the utility model drives the electrode sheet by a hollow motor to rotate and stir the liquid to be tested in the sample cup, so that the heavy metal ions are more quickly enriched on the electrode sheet, The accuracy of the detection result is improved; and the utility model has the advantages of simple structure, convenient operation and strong applicability.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification to explain the present utility model together, and do not constitute a limitation to the present utility model. In the attached image:

1 is an exploded view of an electrode rotating device used for heavy metal detection of the present utility model;

FIG. 2 is a schematic three-dimensional structure diagram of an electrode rotating device used for heavy metal detection according to the present invention;

Fig. 3 is the state diagram when the moving rod is lifted in a kind of electrode rotating device for heavy metal detection of the present invention;

4 is a schematic structural diagram of an electrode rotating device for heavy metal detection of the present invention after removing the casing and the hollow sleeve;

5 is a schematic three-dimensional structural diagram of an electrode rotating device for heavy metal detection of the present invention after removing the casing;

FIG. 6 is a three-dimensional schematic diagram of the connection of the hollow motor, the guide assembly and the electrode sheet;

Fig. 7 is the three-dimensional structure schematic diagram of the guide assembly;

FIG. 8 is a schematic three-dimensional structure diagram of a part of the guide assembly after being connected to the electrode sheet;

in:

Telescopic column 1, central hole 11, hollow sleeve 12, locking hole 121, moving rod 13, insertion section 131, hand-held section 132, guide chute 133;

Mounting base plate 2, No. 1 via hole 21, No. 2 via hole 22, lead slot 23;

Electric slip ring 3, hollow motor 4;

Guide assembly 5, electrode socket 51, transition plate 52, No. 3 via hole 521, disc 522, connecting plate 523, rotating plate 53, transition boss 54, guide plate 55, guide groove 551;

Electrode sheet 6 , locking screw 7 , shell 8 , pin 9 .

Detailed ways

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, but not to limit the present utility model.

According to FIG. 1-FIG. 8, an electrode rotating device for heavy metal detection of the present invention includes: a telescopic column 1, a mounting base 2, an electric slip ring 3, a hollow motor 4, and a guide assembly installed with an electrode socket 51 5. Electrode sheet 6, the two sides of the bottom of the mounting base plate 2 are respectively fixedly connected to the telescopic column 1 and the hollow motor 4, and the rotating end of the electric slip ring 3 passes through the No. 1 on the mounting base plate 2. Insert the hollow motor 4 through the hole 21 , so that the wires on the electric slip ring 3 pass through the hollow motor 4 and then connect to the electrode socket 51 in the guide assembly 5 for transmitting the electrode sheet 6 , the electrode socket 51 is used to install the electrode sheet 6;

The wires on the fixed end of the electric slip ring 3 pass through the No. 2 via hole 22 on the installation base plate 2 and the center hole 11 of the telescopic column 1 in sequence, and then connect to the external control end for transmitting the The electrical signal of the electrode sheet 6 is at the control end.

In this technical solution, during use, the electrode is inserted into the electrode socket 51, and the electrode sheet 6 is inserted into the solution to be tested. The wire at the end is always kept on, therefore, when the power is turned on, driven by the hollow motor 4, the electrode sheet 6 inserted into the socket of the electrode sheet 6 can continuously rotate and stir the liquid to be tested in the sample cup. It will not cause the wire to be entangled, thereby affecting the detection effect;

The control terminal described in this technical solution is used to control the controller of the structure of the present invention to run or stop, such as a single-chip microcomputer, which can be obtained by conventional technology in the art, so it will not be described in detail.

In the specific embodiment, in order to adapt to the sample cups of different occasions or heights, and to facilitate the installation or replacement of the electrode sheet 6, the telescopic column 1 is lifted up to facilitate the operation. The telescopic column 1 includes a hollow sleeve 12 and a moving rod 13 sleeved with the hollow sleeve 12. The insertion section 131 of the moving rod 13 is adapted to fit into the hollow sleeve 12. The moving rod The handle section 132 of 13 is located at the upper part outside the hollow sleeve 12; wherein, the diameter of the insertion section 131 is larger than the diameter of the handle section 132, and the handle section 132 is used for fixed connection with the mounting base plate 2 ; The insertion section 131 and the hand-held section 132 are coaxially arranged structures for conducting wires to pass through;

In the specific implementation process, the upper part of the moving rod 13 is connected with the mounting base plate 2 by screws (as shown in the figure, the two parts are provided with threaded holes for the screws to pass through to connect and fix the two) , the hole is not marked in the figure;

More specifically, in order to limit the rotation of the telescopic column 1 during the expansion and contraction process, as shown in FIG. 4 and FIG. 12 is provided with a locking hole 121 for the locking screw 7 to pass through, so that the insertion end of the locking screw 7 is inserted into the guide chute 133 after passing through the locking hole 121 . That is, when the insertion section 131 is inserted into and removed from the hollow sleeve 12 , it moves longitudinally along the upward and downward directions of the guide chute 133 .

In a specific embodiment, in order to facilitate the orderly connection of the wire with the external electric control part of the present invention without being wound, according to FIG. 1 and FIG. The lead slot 23 connected with the hole 21 allows the wires on the hollow motor 4 to pass through the second through hole 22 and the center hole 11 of the telescopic column 1 after passing through the mounting base plate 2 in sequence. The control terminal is connected to control the rotation of the electrode socket 51 by controlling the hollow motor 4 to work.

In a specific embodiment, in order to realize that the electrode sheet 6 rotates in the sample cup and the wires are not wound, according to FIG. 7 and FIG. The rotating plate 53, the transition boss 54, and the guide plate 55 with the guide groove 551 are provided. The transition plate 52, the rotating plate 53, the transition boss 54, and the guide plate 55 are connected in sequence from top to bottom. The upper and lower parts of the electrode socket 51 are located in the rotating disk 53 and the transition boss 54 respectively, so that the upper end of the electrode sheet 6 is inserted into the electrode socket 51 and the lower end is fixed to the guide groove 551 of the guide plate 55 Inside;

The transition plate 52 is connected with the rotating disk 53 by screws (the two structures are provided with screw holes through which the screws pass, which are not indicated by lines in the figure); the top of the transition plate 52 is connected to the hollow motor 4 screw connection, and the transition plate 52 is composed of a connecting plate 523 whose upper part is a disk 522 and whose lower longitudinal section is an isosceles trapezoid, and the disk 522 and the connecting disk 523 are integrally formed, and the disk The outer diameter of 522 is equal to the outer diameter of the top of the connecting disk 523; the outer diameter of the rotating disk 53 is larger than the inner diameter of the lower part of the connecting disk 523 and smaller than the inner diameter of the upper part of the connecting disk 523, so that the rotating disk 53 is stuck set in the transition plate 52;

The center hole on the disk 522 and the connecting disk 523 constitutes the third via hole 521 .

Further, the transition boss 54 is integrally formed with the rotating disc 53; when the device of the present invention is in operation, the rotating disc 53 rotates, thereby driving the transition boss 54, the guide plate 55, and the electrode socket. 51. The electrode sheet 6 is rotated to continuously agitate the solution to be tested in the sample cup, so that the heavy metal ions can be concentrated on the electrode sheet 6 more quickly, thereby improving the accuracy of the detection result. Further, the guide groove 551 on the guide plate 55 is opened along its length direction, and after the electrode sheet 6 is inserted into the electrode socket 51, the length direction of the guide groove 551 is arranged in the same direction. The bottom of the sheet 6 extends out of the bottom of the guide groove 551 .

When the technical solution is specifically implemented: it also includes a casing 8 that is fitted and sealed with the installation base plate 2 , so that the electric slip ring 3 is accommodated in the sealed accommodation cavity formed by the installation base plate 2 and the casing 8 . Inside;

Further, the housing 8 is connected with the mounting base plate 2 by pins 9, and the pins 9 are located in the formed sealed accommodating cavity.

The structures or working principles that are not explicitly described in the present invention can be obtained by those skilled in the art according to conventional technical means, and therefore will not be described in detail.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalents, the present utility model is also intended to include these modifications and variations.

Claims (6)

1. An electrode rotating device for heavy metal detection, characterized in that: the electrode plate fixing device comprises a telescopic upright post (1), a mounting base plate (2), an electric slip ring (3), a hollow motor (4), a guide component (5) provided with an electrode socket (51) and an electrode plate (6), wherein two sides of the bottom of the mounting base plate (2) are fixedly connected with the telescopic upright post (1) and the hollow motor (4) respectively, the rotating end of the electric slip ring (3) is inserted into the hollow motor (4) after passing through a first through hole (21) in the mounting base plate (2), so that a lead on the electric slip ring (3) is connected with the electrode socket (51) in the guide component (5) after passing through the hollow motor (4), and the electrode socket (51) is used for mounting the electrode plate (6);

the lead on the fixed end of the electric slip ring (3) sequentially penetrates through a second through hole (22) in the mounting base plate (2) and a central hole (11) of the telescopic stand column (1) and then is connected with an external control end, and the lead is used for transmitting an electric signal of the electrode plate (6).

2. The electrode rotating apparatus for heavy metal detection according to claim 1, wherein: the telescopic upright post (1) comprises a hollow sleeve (12) and a moving rod (13) sleeved with the hollow sleeve (12), an insertion section (131) of the moving rod (13) is sleeved into the hollow sleeve (12) in a matching mode, and a handheld section (132) of the moving rod (13) is located on the upper portion outside the hollow sleeve (12);

wherein the diameter of the insertion section (131) is larger than that of the handheld section (132), and the handheld section (132) is used for being fixedly connected with the installation bottom plate (2); the insertion section (131) and the holding section (132) are coaxially arranged structures for passing through a lead.

3. The electrode rotating apparatus for heavy metal detection according to claim 2, wherein: a guide sliding groove (133) is formed in the length direction of the insertion section (131), a locking hole (121) for a locking screw (7) to penetrate through is formed in the hollow sleeve (12), and the insertion end of the locking screw (7) penetrates through the locking hole (121) and then is inserted into the guide sliding groove (133).

4. The electrode rotating apparatus for heavy metal detection as claimed in claim 1, wherein: the mounting base plate (2) is provided with a lead groove (23) communicated with the first through hole (21), so that a lead on the hollow motor (4) penetrates out of the mounting base plate (2) and then sequentially penetrates through the second through hole (22) and the central hole (11) of the telescopic upright post (1) to be connected with an external control end.

5. The electrode rotating apparatus for heavy metal detection as claimed in claim 1, wherein: the electrode plate guide assembly is characterized in that the guide assembly (5) comprises a transition plate (52), a rotating disc (53), a transition boss (54) and a guide plate (55) provided with a guide groove (551), wherein the middle of the transition plate (52) is provided with a third through hole (521), the guide plate (55) is provided with the guide groove (551), the transition plate (52), the rotating disc (53), the transition boss (54) and the guide plate (55) are sequentially connected from top to bottom, the upper part and the lower part of the electrode socket (51) are respectively located in the rotating disc (53) and the transition boss (54), and the upper end of the electrode plate (6) is inserted into the electrode socket (51) and the lower end of the electrode plate is fixed in the guide groove (551) of the guide plate (55).

6. The electrode rotating apparatus for heavy metal detection as claimed in claim 1, wherein: the electric slip ring is characterized by further comprising a shell (8) which is matched and sealed with the mounting base plate (2), so that the electric slip ring (3) is accommodated in a sealed accommodating cavity formed by the mounting base plate (2) and the shell (8).

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