CN220381096U - Calibrating device of dissolved oxygen meter - Google Patents

Calibrating device of dissolved oxygen meter Download PDF

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Publication number
CN220381096U
CN220381096U CN202321977997.7U CN202321977997U CN220381096U CN 220381096 U CN220381096 U CN 220381096U CN 202321977997 U CN202321977997 U CN 202321977997U CN 220381096 U CN220381096 U CN 220381096U
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China
Prior art keywords
charging wire
fixed
rotating shaft
fixed shell
cleaning
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CN202321977997.7U
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Chinese (zh)
Inventor
许诚
张怡雯
张诚春
吴桂锋
王菊
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Suzhou Institute Of Metrology
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Suzhou Institute Of Metrology
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Abstract

The utility model discloses a calibrating device of a dissolved oxygen meter, which comprises: the calibrating device comprises a calibrating device body, a fixed shell, a rolling component and a cleaning component, wherein the fixed shell is arranged on one side of the calibrating device body, the rolling component and the cleaning component are positioned in the fixed shell, a through hole for a power supply line to pass through is formed in one side of the fixed shell, and the cleaning component is positioned between the rolling component and the through hole; the rolling subassembly includes: the rotating shaft is rotatably arranged in the middle of the fixed shell, the coil springs are sleeved on the rotating shaft, and the circular plates are fixed at two ends of the rotating shaft; the cleaning assembly includes: two cleaning rollers rotatably installed in the fixed housing; according to the utility model, the charging wire is automatically wound on the rotating shaft, the surface of the stored charging wire is cleaned by matching with the cleaning roller, the charging wire is orderly arranged and stored, the charging wire is prevented from being wound and knotted, meanwhile, dust or pollutants are prevented from adhering to the surface of the charging wire, and the phenomena of ageing and falling of the surface of the charging wire are avoided, so that the charging wire is effectively protected.

Description

Calibrating device of dissolved oxygen meter
Technical Field
The utility model relates to the technical field of calibrating devices of dissolved oxygen meters, in particular to a calibrating device of a dissolved oxygen meter.
Background
The calibration device for measuring dissolved oxygen is a device for calibrating a dissolved oxygen measuring instrument, which generally comprises a dissolved oxygen standard solution with a known concentration and a device for controlling the concentration of oxygen, wherein the purpose of the calibration device is to ensure that the dissolved oxygen measuring instrument can accurately measure the concentration of dissolved oxygen in the solution, and the accuracy and precision of the measuring instrument can be determined by comparing the dissolved oxygen standard solution with the concentration of oxygen controlled in the calibration device, and necessary adjustment and calibration can be performed.
The use calibrating device needs to be connected and matched with a plurality of instruments through water pipes or wires, cables on the calibrating device are often wound at will to be stored and placed, dust is easy to be stained, the cables are corroded by pollutants, ageing and falling of the charging wire epidermis are easy to cause, and then the cables inside the charging wire are exposed in the external environment, so that operation is influenced.
Therefore, there is a need for an improvement in the manner of winding the cable of the calibration device in the prior art to solve the above-mentioned problems.
Disclosure of Invention
The utility model overcomes the defects of the prior art and provides a calibrating device of a dissolved oxygen meter.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a calibration device for a dissolved oxygen meter, comprising: the calibrating device comprises a calibrating device body, a fixed shell, a rolling component and a cleaning component, wherein the fixed shell is arranged on one side of the calibrating device body, the rolling component and the cleaning component are positioned in the fixed shell, a through hole for a power supply line to pass through is formed in one side of the fixed shell, and the cleaning component is positioned between the rolling component and the through hole;
the winding assembly comprises: the rotating shaft is rotatably arranged in the middle of the fixed shell, the coil springs are sleeved on the rotating shaft, and the circular plates are fixed at the two ends of the rotating shaft; the charging wire is wound on the surface of the rotating shaft, one end of the charging wire is positioned at the outer side of the fixed shell through the through hole, the other end of the charging wire penetrates through the middle of the rotating shaft and extends to one side of the circular plate at the axis position of the rotating shaft, and one end of the charging wire positioned at one side of the circular plate is electrically connected with the conducting plate;
the cleaning assembly includes: two cleaning rollers rotatably installed in the fixed shell; the two cleaning rollers are positioned at one side of the through hole and are symmetrically arranged up and down.
In a preferred embodiment of the present utility model, the conductive sheet is rotatably installed at the power-on interface of the calibration device body and is electrically connected to the power-on interface.
In a preferred embodiment of the present utility model, the winding assembly further comprises: a ratchet ring sleeved on the circular plate and a ratchet positioned at one side of the ratchet ring to limit the ratchet ring; the ratchet is characterized in that a connecting rod is arranged between the ratchet and the fixed shell and is rotationally connected with the fixed shell through the connecting rod, a torsion spring is sleeved on the connecting rod, one end of the torsion spring is fixedly connected with the connecting rod, the other end of the torsion spring is fixedly connected with the inner wall of the fixed shell, and a handle is fixed at one end of the connecting rod penetrating through the fixed shell.
In a preferred embodiment of the present utility model, the direction of the teeth on the ratchet ring is consistent with the winding direction of the rotating shaft.
In a preferred embodiment of the utility model, the cleaning roller is provided with a spiral spring brush.
In a preferred embodiment of the present utility model, the cleaning assembly further comprises: the two guide rollers are positioned between the winding assembly and the cleaning roller, the driving gear is coaxially fixed with the guide rollers, and the driven gear is coaxially fixed with the cleaning roller; the two guide rollers are rotationally connected with the fixed shell, the two guide rollers are vertically symmetrically arranged and are in contact with the charging wire, a layer of rubber pad is sleeved on each guide roller, and the driving gear is meshed with the driven gear.
In a preferred embodiment of the utility model, a baffle is fixed in the fixing shell, the baffle separates the cleaning assembly from the rotating shaft, a round hole for the charging wire to pass through is formed in the baffle, and a leak hole is formed in the fixing shell below the cleaning assembly.
In a preferred embodiment of the present utility model, the through hole position fixing case is a recess.
The utility model solves the defects existing in the background technology, and has the following beneficial effects:
(1) The utility model provides a calibrating device of a dissolved oxygen meter, which automatically winds a charging wire on a rotating shaft by utilizing the cooperation of the rotating shaft, a coil spring and a cleaning roller, and cleans the surface of the stored charging wire by utilizing the cooperation of the cleaning roller, so that the charging wire is orderly tidied and stored, the winding and knotting of the charging wire are avoided, meanwhile, the phenomena of ageing and falling of the surface of the charging wire caused by adhesion of dust or pollutants on the surface of the charging wire are avoided, and the charging wire is effectively protected.
(2) According to the utility model, through the cooperation limit between the ratchet ring and the ratchet, an operator can conveniently pull the charging wire out of a specified length according to the field requirement, the situation that the charging wire is knotted due to random winding and stacking of the charging wire is avoided, and meanwhile, the cleanness and the attractiveness of an operation station can be improved.
(3) According to the utility model, through the cooperation of the guide roller, the rubber pad, the driving gear and the driven gear, the guide roller presses the charging wire to be driven to rotate in the winding process of the charging wire, so that the driving gear is matched with the driven gear to drive the two cleaning rollers to rotate, pollutants or sundries on the charging wire are further cleaned, and the service life of the charging wire is prolonged.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic rear view of the overall structure of a preferred embodiment of the present utility model;
FIG. 2 is a schematic view showing the internal structure of a stationary housing according to a preferred embodiment of the present utility model;
FIG. 3 is a schematic illustration of the structural cooperation of the take-up assembly and the cleaning assembly of the preferred embodiment of the present utility model.
In the figure: 1. calibrating the device body; 2. a fixed case; 3. a rotating shaft; 4. a coil spring; 5. a circular plate; 6. a charging wire; 7. a conductive sheet; 8. a cleaning roller; 9. a ratchet ring; 10. a ratchet; 11. a connecting rod; 12. a torsion spring; 13. a handle; 14. a guide roller; 15. a drive gear; 16. a driven gear; 17. and a baffle.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.
As shown in fig. 1 and 2, a calibrating device for a dissolved oxygen meter includes: the calibrating device comprises a calibrating device body 1, a fixed shell 2 arranged on one side of the calibrating device body 1, a rolling component and a cleaning component which are positioned in the fixed shell 2, wherein a through hole for a power supply line to pass through is formed in one side of the fixed shell 2, and the cleaning component is positioned between the rolling component and the through hole;
the rolling subassembly includes: a rotating shaft 3 rotatably installed in the middle of the fixed shell 2, a coil spring 4 sleeved on the rotating shaft 3, and circular plates 5 fixed at two ends of the rotating shaft 3; the surface of the rotating shaft 3 is wound with a charging wire 6, one end of the charging wire 6 is positioned at the outer side of the fixed shell 2 through a through hole, the other end of the charging wire 6 penetrates through the middle of the rotating shaft 3 and extends to one side of the circular plate 5 at the axial center position of the rotating shaft 3, a hole groove for installing the charging wire 6 is formed in the rotating shaft 3, one end of the charging wire 6 positioned at one side of the circular plate 5 is electrically connected with a conducting plate 7, the conducting plate 7 is rotatably installed at an electrifying interface of the calibrating device body 1 and is electrically connected with the electrifying interface position, the charging wire 6 is wound on the rotating shaft 3, and when the charging wire 6 is pulled out of the fixed shell 2 for use, the charging wire 6 generates torsion force, so that the conducting plate 7 is rotatably connected with the electrifying interface of the calibrating device to offset the torsion force, and the charging wire 6 is prevented from being damaged by torsion force generated by the self;
it should be noted that, the charging wire 6 wound on the rotating shaft 3 is pulled out, and drives the rotating shaft 3 to rotate, so as to drive the torsion of the coil spring 4, so that the rotating shaft 3 has a rotating reset acting force, and the pulled charging wire 6 can be automatically wound.
As shown in fig. 3, the winding assembly further includes: a ratchet wheel ring 9 sleeved on the circular plate 5 and a ratchet 10 positioned at one side of the ratchet wheel ring 9 for limiting the ratchet wheel ring; a connecting rod 11 is arranged between the ratchet 10 and the fixed shell 2, and is rotationally connected with the fixed shell 2 through the connecting rod 11, a torsion spring 12 is sleeved on the connecting rod 11, the direction of teeth arranged on the ratchet ring 9 is consistent with the winding direction of the rotating shaft 3, when the rotating shaft 3 winds the charging wire 6, the teeth on the ratchet ring 9 are contacted with the ratchet 10, the ratchet ring 9 is limited, when the rotating shaft 3 discharges the charging wire 6, the direction of the teeth on the ratchet ring 9 is consistent with the winding direction of the rotating shaft 3, therefore, when the rotating shaft 3 discharges the charging wire 6, the ratchet ring 9 is driven to rotate towards the opposite winding direction and is contacted with the ratchet 10, the ratchet 10 is driven to rotate, the teeth on the ratchet ring 9 are not matched with the ratchet 10 to limit, one end of the torsion spring 12 is fixedly connected with the connecting rod 11, the other end of the torsion spring 12 is fixedly connected with the inner wall of the fixed shell 2, and one end of the connecting rod 11 penetrates through the fixed shell 2;
it should be noted that after the charging wire 6 is pulled out, the coil spring 4 is twisted to give the reset force to the rotating shaft 3, so that the charging wire 6 is always in a winding trend, and the pulled out charging wire 6 is required to be fixed, so that the use of an operator is convenient, the cooperation of the ratchet ring 9 and the ratchet 10 is provided, when the charging wire 6 is pulled out, the ratchet ring 9 is in contact with the ratchet 10 to drive the ratchet 10 to rotate, the ratchet ring 9 and the ratchet 10 are not limited, after the charging wire 6 is released, the rotating shaft 3 has a reset trend under the action of the coil spring 4, so that the ratchet ring 9 and the ratchet 10 are matched to limit, the charging wire 6 can be pulled out to a proper length according to the use situation, the charging wire 6 is convenient to use, and when the charging wire 6 is required to be rewound onto the rotating shaft 3, the ratchet 10 is driven to rotate by rotating the handle 13, the ratchet 10 is separated from the ratchet ring 9, the rotating shaft 3 can be reset, and the charging wire 6 is driven to wind on the rotating shaft 3.
The cleaning assembly includes: two cleaning rollers 8 rotatably installed in the fixed housing 2; the two cleaning rollers 8 are positioned at one side of the through hole and are arranged symmetrically up and down, and the cleaning rollers 8 are arranged by spiral spring brushes.
The cleaning assembly further includes: two guide rollers 14 located between the winding assembly and the cleaning roller 8, a driving gear 15 coaxially fixed with the guide rollers 14, and a driven gear 16 coaxially fixed with the cleaning roller 8; the two guide rollers 14 are rotationally connected with the fixed shell 2, the two guide rollers 14 are vertically symmetrically arranged and are in contact with the charging wire 6, a layer of rubber pads are sleeved on the guide rollers 14, the distance between the two rubber pads is smaller than the diameter of the charging wire 6, so that the charging wire 6 can be extruded, the guide rollers 14 are driven to rotate due to acting force between the two rubber pads in the process of pulling out or rolling the charging wire 6, and the driving gear 15 is meshed with the driven gear 16;
it should be noted that, the charging wire 6 will drive the guide roller 14 to rotate in the winding process, because the guide roller 14 and the driving gear 15 are coaxially fixed, the cleaning roller 8 and the driven gear 16 are coaxially fixed, and the driving gear 15 is meshed with the driven gear 16, so that the cleaning roller 8 can be driven to rotate while the guide roller 14 rotates, pollutants and sundries on the charging wire 6 are swept out, the charging wire 6 is cleaned, the charging wire 6 is prevented from being corroded by the pollutants, and the ageing and falling of the surface of the charging wire 6 are easily caused.
In a preferred embodiment of the present utility model, a baffle 17 is fixed inside the fixed housing 2, the baffle 17 separates the cleaning assembly from the rotating shaft 3, a circular hole for the charging wire 6 to pass through is formed on the baffle 17, and a leak hole is formed on the fixed housing 2 below the cleaning assembly for the cleaned sundries to fall out of the fixed housing 2.
In a preferred embodiment of the present utility model, the through hole position fixing case 2 is concavely arranged, so that the connector of the charging wire 6 is effectively protected.
When the utility model is used, the charging wire 6 is wound on the rotating shaft 3, the conducting strip 7 is rotatably arranged at the charging interface position of the calibrating device, when the charging wire 6 is required to be pulled out for use, the charging wire 6 is pulled out, the rotating shaft 3 is driven to rotate, so that torsion of the coil spring 4 can be driven, the rotating shaft 3 has rotating reset acting force, the ratchet ring 9 can be contacted with the ratchet 10 to drive the ratchet 10 to rotate, the torsion spring 12 is twisted, teeth on the ratchet ring 9 can not be matched with the ratchet 10 for limiting, and when the charging wire 6 is pulled out for a proper length, the charging wire 6 is loosened, and the rotating shaft 3 has reset trend, so that the ratchet ring 9 is matched with the ratchet 10 for limiting;
when the charging wire 6 needs to be rewound on the rotating shaft 3, the handle 13 is rotated to drive the ratchet 10 to rotate, so that the ratchet 10 is separated from the ratchet ring 9, the rotating shaft 3 can be reset, the charging wire 6 is driven to be wound on the rotating shaft 3, in the process, the charging wire 6 is contacted with a rubber pad on the guide roller 14, the guide roller 14 is driven to rotate, the cleaning roller 8 and the driven gear 16 are coaxially fixed due to the fact that the guide roller 14 and the driving gear 15 are coaxially fixed, the driving gear 15 is meshed with the driven gear 16, the cleaning roller 8 rotates, and pollutants and sundries on the charging wire 6 are swept out to clean the charging wire 6.
The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (8)

1. A calibration device for a dissolved oxygen meter, comprising: the device comprises a calibration device body (1), a fixed shell (2) arranged on one side of the calibration device body (1), and a rolling component and a cleaning component which are positioned in the fixed shell (2), and is characterized in that a through hole for a power supply line to pass through is formed in one side of the fixed shell (2), and the cleaning component is positioned between the rolling component and the through hole;
the winding assembly comprises: a rotating shaft (3) rotatably mounted in the middle of the fixed shell (2), a coil spring (4) sleeved on the rotating shaft (3), and circular plates (5) fixed at two ends of the rotating shaft (3); the charging wire (6) is wound on the surface of the rotating shaft (3), one end of the charging wire (6) is positioned at the outer side of the fixed shell (2) through a through hole, the other end of the charging wire penetrates through the middle of the rotating shaft (3) and extends to one side of the circular plate (5) at the axial center position of the rotating shaft (3), and one end of the charging wire (6) positioned at one side of the circular plate (5) is electrically connected with the conducting plate (7);
the cleaning assembly includes: two cleaning rollers (8) rotatably mounted in the fixed housing (2); the two cleaning rollers (8) are positioned at one side of the through hole and are symmetrically arranged up and down.
2. The calibrating device for a dissolved oxygen meter of claim 1, wherein: the conducting strip (7) is rotatably arranged at the power-on interface of the calibrating device body (1) and is electrically connected with the power-on interface.
3. The calibrating device for a dissolved oxygen meter of claim 1, wherein: the winding assembly further comprises: a ratchet ring (9) sleeved on the circular plate (5), and a ratchet (10) positioned at one side of the ratchet ring (9) for limiting the ratchet ring; install connecting rod (11) between ratchet (10) and fixed shell (2), and pass through connecting rod (11) are connected with fixed shell (2) rotation, the cover is equipped with torsional spring (12) on connecting rod (11), the one end and the connecting rod (11) fixed connection of torsional spring (12), the other end and fixed shell (2) inner wall fixed connection, one end that connecting rod (11) runs through fixed shell (2) is fixed with handle (13).
4. A dissolved oxygen meter calibration device according to claim 3, wherein: the direction of the teeth arranged on the ratchet wheel ring (9) is consistent with the winding direction of the rotating shaft (3).
5. The calibrating device for a dissolved oxygen meter of claim 1, wherein: the cleaning roller (8) is a spiral spring brush.
6. The calibrating device for a dissolved oxygen meter of claim 1, wherein: the cleaning assembly further includes: two guide rollers (14) located between the winding assembly and the cleaning roller (8), a driving gear (15) coaxially fixed with the guide rollers (14), and a driven gear (16) coaxially fixed with the cleaning roller (8); two guide rollers (14) are rotationally connected with the fixed shell (2), the two guide rollers (14) are vertically symmetrically arranged and are in contact with the charging wire (6), a layer of rubber pad is sleeved on each guide roller (14), and the driving gear (15) is meshed with the driven gear (16).
7. The calibrating device for a dissolved oxygen meter of claim 1, wherein: the inside of fixed casing (2) is fixed with baffle (17), baffle (17) are with clearance subassembly and pivot (3) separation, just offer the round hole that supplies charging wire (6) to pass through on baffle (17), set up the leak on fixed casing (2) of clearance subassembly below.
8. The calibrating device for a dissolved oxygen meter of claim 1, wherein: the through hole position fixing shell (2) is arranged in a concave mode.
CN202321977997.7U 2023-07-26 2023-07-26 Calibrating device of dissolved oxygen meter Active CN220381096U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321977997.7U CN220381096U (en) 2023-07-26 2023-07-26 Calibrating device of dissolved oxygen meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321977997.7U CN220381096U (en) 2023-07-26 2023-07-26 Calibrating device of dissolved oxygen meter

Publications (1)

Publication Number Publication Date
CN220381096U true CN220381096U (en) 2024-01-23

Family

ID=89563787

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321977997.7U Active CN220381096U (en) 2023-07-26 2023-07-26 Calibrating device of dissolved oxygen meter

Country Status (1)

Country Link
CN (1) CN220381096U (en)

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