CN217359719U

CN217359719U - Electrode rotating device for heavy metal detection

Info

Publication number: CN217359719U
Application number: CN202220188704.6U
Authority: CN
Inventors: 孙绍文; 李志豪; 胡金伟; 战艺芳; 姚琪; 王利华; 陈明杰; 魏晶; 官金艳; 王嫦嫦
Original assignee: Wuhan Academy of Agricultural Sciences
Current assignee: Wuhan Academy of Agricultural Sciences
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-09-02
Anticipated expiration: 2032-01-24

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

Electrode rotating device for heavy metal detection

Technical Field

The utility model belongs to the technical field of the detecting instrument technique of heavy metal and specifically relates to an electrode rotary device for heavy metal detects.

Background

At present, electrochemical heavy metal detectors on the market detect heavy metals by inserting electrode plates into sample cups containing solutions to be detected and then rotating the sample cups. Because the friction between the solution to be measured in the cup and the sample cup is small, the solution cannot rotate along with the cup immediately, and meanwhile, the solution to be measured can be stirred fully in a long time due to the blocking effect of the electrode slice, so that the heavy metal enrichment efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electrode rotary device for heavy metal detects, the purpose is to adopt rotatory electrode slice to mix static solution that awaits measuring, has solved the not good problem of heavy metal enrichment effect in the past.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

an electrode rotation device 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 penetrates through the second through hole on the mounting base plate and the central hole of the telescopic upright post and then is connected with an external control end for transmitting the electric signal of the electrode plate.

Preferably, the telescopic upright column comprises a hollow sleeve and a moving rod sleeved with the hollow sleeve, an insertion section of the moving rod is sleeved in the hollow sleeve in a matching manner, and a handheld section of the moving rod is positioned at the upper part outside the hollow sleeve;

the diameter of the insertion section is larger than that of the handheld section, and the handheld section is fixedly connected with the mounting bottom plate; the inserting section and the handheld section are coaxially arranged core structures for leading wires to pass through.

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

Preferably, the mounting base plate is provided with a lead slot communicated with the first through hole, so that a lead on the hollow motor penetrates out of the mounting base plate and then sequentially penetrates through the second through hole and the central hole of the telescopic upright post and then is connected with an external control end.

Preferably, the guide assembly comprises a transition plate, a rotating disc, a transition boss and a guide plate, wherein the middle of the transition plate is provided with a third through hole, the guide plate is provided with a guide groove, the transition plate, the rotating disc, the transition boss and the guide plate are sequentially connected from top to bottom, the upper part and the lower part of the electrode socket are respectively positioned in the rotating disc and the transition boss, and the upper end of the electrode plate is inserted into the electrode socket, and the lower end of the electrode plate is fixed in the guide groove of the guide plate.

Preferably, the electric slip ring further comprises a housing which is matched and 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 housing.

The utility model discloses an electrode rotary device for heavy metal detects, its advantage: the utility model drives the electrode plate to rotate and stir the liquid to be detected in the sample cup through the hollow motor, so that heavy metal ions are more quickly enriched on the electrode plate, and the accuracy of the detection result is improved; just the utility model discloses simple structure, convenient operation, the suitability is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is an exploded view of an electrode rotating device for heavy metal detection according to the present invention;

fig. 2 is a schematic perspective view of an electrode rotating device for heavy metal detection according to the present invention;

FIG. 3 is a diagram illustrating a state where a movable rod is lifted in an electrode rotating apparatus for heavy metal detection according to the present invention;

fig. 4 is a schematic structural view of the electrode rotating apparatus for heavy metal detection according to the present invention after the casing and the hollow sleeve are removed;

fig. 5 is a schematic view of a three-dimensional structure of the electrode rotating device for heavy metal detection according to the present invention with the casing removed;

FIG. 6 is a schematic view of the connection of the hollow motor with the guide assembly and the electrode plate;

FIG. 7 is a perspective view of the guide assembly;

FIG. 8 is a schematic perspective view of a portion of the guide assembly after being connected to an electrode plate;

wherein:

the telescopic column 1, a central hole 11, a hollow sleeve 12, a locking hole 121, a moving rod 13, an insertion section 131, a handheld section 132 and a guide chute 133;

the mounting base plate 2, a first through hole 21, a second through hole 22 and a lead groove 23;

an electric slip ring 3 and a hollow motor 4;

the electrode socket 51, the transition plate 52, the third through hole 521, the circular disc 522, the connecting disc 523, the rotating disc 53, the transition boss 54, the guide plate 55 and the guide groove 551;

electrode slice 6, locking screw 7, casing 8, pin 9.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

According to fig. 1-8, the utility model relates to an electrode rotary device for heavy metal detects, include: the electrode plate comprises a telescopic upright post 1, an installation base plate 2, an electric slip ring 3, a hollow motor 4, a guide assembly 5 provided with an electrode socket 51 and an electrode plate 6, wherein two sides of the bottom of the installation 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 on the installation base plate 2, so that a lead on the electric slip ring 3 is connected with the electrode socket 51 in the guide assembly 5 after passing through the hollow motor 4 and is used for transmitting an electric signal of the electrode plate 6, and the electrode socket 51 is used for installing the electrode plate 6;

the lead on the fixed end of the electric slip ring 3 sequentially passes through the second through hole 22 on the mounting base plate 2 and the central hole 11 of the telescopic upright post 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 to the control end.

In the technical scheme, when the detection device is used, an electrode is inserted into the electrode socket 51, the electrode plate 6 is inserted into a solution to be detected, and due to the characteristics of the electric slip ring 3, the conducting wires at the rotating end and the fixed end of the electric slip ring 3 are always conducted, so that after the power is switched on, the electrode plate 6 inserted into the electrode plate 6 socket can continuously rotate to stir the solution to be detected in the sample cup under the driving of the hollow motor 4, the conducting wires cannot be wound, and the detection effect is influenced;

the control end in this technical scheme be used for controlling the utility model discloses the controller of structure operation or stop, singlechip for example, the conventional technique in this field can obtain, consequently does not describe in detail.

In a specific embodiment, in order to adapt to sample cups of different occasions or heights and facilitate installation or replacement of the electrode plate 6, the telescopic column 1 is lifted upwards to facilitate operation, and according to fig. 1-5, the telescopic column 1 comprises a hollow sleeve 12 and a movable rod 13 sleeved with the hollow sleeve 12, an insertion section 131 of the movable rod 13 is adapted to be sleeved in the hollow sleeve 12, and a handheld section 132 of the movable rod 13 is located at the upper part outside the hollow sleeve 12; wherein, the diameter of the insertion section 131 is larger than that of the holding section 132, and the holding section 132 is used for fixedly connecting with the installation bottom plate 2; the insertion section 131 and the handheld section 132 are coaxially arranged structures for passing through a lead;

in a specific implementation process, the upper part of the moving rod 13 is connected with the mounting base plate 2 through a screw (as shown in the figure, threaded holes are formed in the two parts for the screw to pass through and connect and fix the two parts), and the holes are not labeled in the figure;

more specifically, in order to limit the rotation of the telescopic column 1 during the extension and retraction process, as shown in fig. 4 and 5, a guide sliding slot 133 is formed along the length direction of the insertion section 131, and a locking hole 121 for allowing the locking screw 7 to pass through is formed in the hollow sleeve 12, so that the insertion end of the locking screw 7 is inserted into the guide sliding slot 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 vertically along the guide sliding groove 133.

In a specific embodiment, in order to facilitate the wire not winding simultaneously can with the utility model discloses outside automatically controlled part is connected in order, according to fig. 1, fig. 4 show, install on the mounting plate 2 seted up one with lead wire groove 23 of a via hole 21 intercommunication makes the wire on the hollow motor 4 follow wear out on the mounting plate 2 and pass in proper order No. two via holes 22, be connected with outside control end behind the centre bore 11 of flexible stand 1, thereby control through control hollow motor 4 work electrode socket 51 is rotatory.

In a specific embodiment, in order to realize that the electrode plate 6 rotates in the sample cup without winding a wire, as shown in fig. 7 and 8, the guide assembly 5 includes a transition plate 52 with a third through hole 521 formed in the middle, a rotating disk 53, a transition boss 54, and a guide plate 55 with a guide groove 551, the transition plate 52, the rotating disk 53, the transition boss 54, and the guide plate 55 are sequentially connected from top to bottom, the upper and lower portions of the electrode socket 51 are respectively located in the rotating disk 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 6 is fixed in the guide groove 551 of the guide plate 55;

the transition plate 52 is in screw connection with the rotating disc 53 (both structures are provided with screw holes through which screws pass, and marked lines are not indicated in the figure); the top of the transition plate 52 is screwed with the hollow motor 4, and the transition plate 52 is composed of a connecting disc 523, the upper part of which is a disc 522 and the lower part of which has an isosceles trapezoid shaped longitudinal section, and the disc 522 and the connecting disc 523 are integrally formed, and the outer diameter of the disc 522 is equal to the outer diameter of the top of the connecting disc 523; the outer diameter of the rotating disc 53 is larger than the inner diameter of the lower part of the connecting disc 523 and smaller than the inner diameter of the upper part of the connecting disc 523, so that the rotating disc 53 is clamped in the transition plate 52;

the disc 522 and the central hole in the connecting disc 523 form the third through hole 521.

Further, the transition boss 54 is integrally formed with the rotating disk 53; the utility model discloses the device during operation, rotary disk 53 is rotatory, thereby drives transition boss 54 baffle 55 electrode socket 51 electrode slice 6 is rotatory to realize stirring the solution that awaits measuring in the sample cup in succession, make heavy metal ion enrich electrode slice 6 more fast on, improved the accuracy of testing result. Further, the guide groove 551 of the guide plate 55 is opened along the longitudinal direction thereof, so that the electrode tab 6 is inserted into the electrode socket 51 and then disposed in the same direction as the longitudinal direction of the guide groove 551, and the bottom of the electrode tab 6 extends out of the bottom of the guide groove 551.

When the technical scheme is specifically realized: 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;

furthermore, the housing 8 and the mounting base plate 2 are connected by a pin 9, and the pin 9 is located in the formed sealed accommodating cavity.

The structure or the operation principle not explicitly described in the present invention can be obtained by those skilled in the art according to the conventional technical means, and therefore, the detailed description is not given.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

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).