Conductivity meter verification auxiliary device

Abstract

The utility model discloses a conductivity meter verification auxiliary device, which belongs to the technical field of instrument metering and comprises a support base, one end of the support base is provided with a notch, the lower surface of the support base is provided with a fixed clamping plate and a movable clamping plate, the fixed clamping plate is fixedly mounted on the lower surface of the support base, and the movable clamping plate is fixedly mounted on the lower surface of the support base. A sliding plate is fixedly installed on the upper surface of the movable clamping plate and located in the notch, and a plurality of fixing screws are fixedly installed on the inner wall of the notch. The supporting base is arranged to be used in cooperation with the fixed clamping plate and the movable clamping plate, and the supporting base can be clamped on the thermostatic bath through cooperation of the movable clamping plate and the fixed clamping plate; and a mercurial thermometer, a standard solution test tube and a conductivity meter temperature probe are respectively inserted into the mercurial thermometer socket, the standard solution test tube socket and the conductivity meter temperature probe socket on the mounting plate, so that a worker does not need to carry out handheld operation during verification, the operation convenience is improved, and smooth operation is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of instrument measurement technology, and particularly relates to a conductivity meter auxiliary device for calibration. BACKGROUND

[0002] The conductivity meter is used for measuring electrolyte solution conductivity, and the measurement principle is based on the relationship between conductivity and electric conductance and electric conductance cell constant. The conductivity meter is widely used in scientific research, industry, agriculture, environmental protection and other fields. In the measurement work, whether the conductivity meter is accurate needs to be calibrated according to JJG 376-2007 "conductivity meter" calibration procedure, and the conductivity meter calibration device is used for calibration. The conductivity meter calibration device includes a constant temperature device, and the constant temperature device is used for calibrating the temperature measurement value error of the instrument and controlling the temperature of the standard solution in the electrode part calibration process. The main equipment of the constant temperature device includes a super constant temperature tank and a thermometer. In the daily calibration process, there is no fixed device on the constant temperature tank, and when the temperature value error is calibrated, the temperature probe of the conductivity meter and the thermometer need to be immersed below the liquid level of the constant temperature tank, so the tester needs to hold the temperature probe and the thermometer to complete the calibration work. In the electrode part calibration, the standard solution needs to be placed in the solution of the constant temperature tank and the temperature of the standard solution is monitored by the thermometer. The tester also needs to hold the container with the standard solution and the thermometer to complete the calibration work during the whole calibration process, and needs to wait for a long time to ensure that the standard solution placed in the constant temperature tank reaches the required temperature. Because of the lack of a fixing device, the calibration work cannot be completed conveniently and efficiently. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a conductivity meter auxiliary device for calibration, so as to solve the problems in the background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a conductivity instrument calibrates auxiliary device, including support base, one end of support base has the gap, the lower surface of support base is provided with fixed clamping plate and movable clamping plate, the fixed clamping plate is fixedly installed on the lower surface of support base, the upper surface of movable clamping plate is fixedly installed with sliding plate, sliding plate is located in the gap and the inner wall of gap is fixedly installed with a plurality of fixed screws, a plurality of through -holes are seted up on the sliding plate and are set on the outer surface of a plurality of fixed screws through through -hole, the outer surface of fixed screw is screw mounted with fixed nut, and the fixed nut is laid on the side of sliding plate, the upper surface of support base is fixedly installed with drive shell, the inside rotation of drive shell is installed with threaded rod, one end of threaded rod extends drive shell and is fixedly installed with handle, the outer surface of threaded rod is screw mounted with screw plate, a plurality of connecting plates are fixedly installed on the side of screw plate, the connecting plate extends drive shell and is fixedly installed with mounting plate through the channel seted up on the side of drive shell, the mounting plate is seted up mercury thermometer socket, standard solution test tube socket and conductivity instrument temperature probe socket, the position of the mounting plate is opposite mercury thermometer socket and conductivity instrument temperature probe socket position and is screw mounted with locking bolt, the standard solution test tube socket is inserted with standard solution test tube, the outer surface of standard solution test tube is fixedly installed with support plate, the upper surface of mounting plate is fixedly installed with outer cylinder, the inside sliding of outer cylinder is installed with inner clamping plate, the support plate is seted up with the clamping groove that the inner clamping plate is clamped into.

[0005] Adopt the above scheme, through setting up support base cooperation fixed clamping plate and movable clamping plate use, movable clamping plate and fixed clamping plate cooperation can be clamped in constant temperature tank with support base, and utilize the mercury thermometer socket, standard solution test tube socket and conductivity instrument temperature probe socket on the mounting plate to insert mercury thermometer, standard solution test tube and conductivity instrument temperature probe respectively, when calibrating, do not need staff to hold operation, improve the operation convenience, guarantee the smooth operation, through setting up threaded rod cooperation screw plate use, can according to the depth of liquid in constant temperature tank to carry out vertical lifting adjustment to the position of mounting plate, improve the use universality, operation adjustment is convenient.

[0006] As a preferred implementation, the inner wall of the gap in the support base is fixedly installed with a spring one, and the spring one is sleeved outside the fixed screw and fixedly connected with the sliding plate.

[0007] Adopt the above scheme, through setting up spring one, when screwing fixed nut drives sliding plate to drive movable clamping plate to move to fixed clamping plate, spring one deforms, so when unscrewing fixed nut can utilize the elastic force of spring one to drive sliding plate to drive movable clamping plate to reset quickly, improve the unlocking operation convenience.

[0008] As a preferred implementation form, the opposite surfaces of the fixed clamping plate and the movable clamping plate are pasted with anti-skid rubber pads.

[0009] By the above scheme, the anti-skid rubber pads can prevent the fixed clamping plate from slipping when being clamped.

[0010] As a preferred implementation form, the inner wall of the driving shell is fixedly provided with a plurality of guide rods, and the threaded plate is slidingly installed on the outer surfaces of the guide rods.

[0011] By the above scheme, the guide rods can make the threaded plate move more stably when the threaded rod is rotated to drive the threaded plate to move, thereby preventing the threaded plate from slipping and shaking.

[0012] As a preferred implementation form, the tail end of the locking bolt is fixedly provided with a rubber pressing head.

[0013] By the above scheme, the rubber pressing head can prevent the surface of the mercury thermometer or the surface of the temperature probe of the conductivity meter from being damaged when the locking bolt is used to lock and fix the mercury thermometer or the temperature probe of the conductivity meter.

[0014] As a preferred implementation form, the upper surface of the mounting plate is fixedly provided with a plurality of alignment insertion rods, the support plate is provided with a plurality of alignment insertion holes, and the alignment insertion rods and the alignment insertion holes are used in cooperation.

[0015] By the above scheme, the alignment insertion rods and the alignment insertion holes can be used in cooperation to guide the standard solution test tube during insertion, thereby improving the convenience of insertion operation.

[0016] As a preferred implementation form, the side surface of the outer cylinder is slidingly provided with a sliding rod, one end of the sliding rod is fixedly provided with an operation plate, the other end of the sliding rod is fixedly connected with an inner clamping plate, and a spring two is fixedly installed between the side surface of the inner clamping plate and the inner wall of the outer cylinder.

[0017] By the above scheme, the sliding rod and the spring two are used in cooperation, the sliding rod can make the inner clamping plate stably slide without shaking, and the spring two can drive the inner clamping plate to be quickly clamped into the clamping groove, thereby improving the convenience of locking operation.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] The conductivity meter verification auxiliary device is used in cooperation with the fixed clamping plate and the movable clamping plate of the supporting base, and the movable clamping plate and the fixed clamping plate can clamp the supporting base on the constant-temperature tank, and the mercury thermometer socket, the standard solution test tube socket and the conductivity meter temperature probe socket on the mounting plate are used to respectively insert the mercury thermometer, the standard solution test tube and the conductivity meter temperature probe, so that the staff need not manually operate during verification, the operation convenience is improved, and smooth operation is ensured.

[0020] The conductivity meter verification auxiliary device is used in cooperation with the fixed clamping plate and the movable clamping plate of the supporting base, and the movable clamping plate and the fixed clamping plate can clamp the supporting base on the constant-temperature tank, and the mercury thermometer socket, the standard solution test tube socket and the conductivity meter temperature probe socket on the mounting plate are used to respectively insert the mercury thermometer, the standard solution test tube and the conductivity meter temperature probe, so that the staff need not manually operate during verification, the operation convenience is improved, and smooth operation is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model;

[0022] Figure 2 It is a structural schematic view of the supporting base of the utility model;

[0023] Figure 3 It is a structural schematic view of the drive shell profile of the utility model;

[0024] Figure 4 It is a structural schematic view of the mounting plate and the standard solution test tube explosion of the utility model;

[0025] Figure 5 It is a structural schematic view of the outer cylinder profile of the utility model.

[0026] In the drawing: 1, supporting base; 2, fixed clamping plate; 3, fixed screw; 4, sliding plate; 5, fixed nut; 6, movable clamping plate; 7, drive shell; 8, threaded rod; 9, threaded plate; 10, connecting plate; 11, mounting plate; 12, mercury thermometer socket; 13, standard solution test tube socket; 14, conductivity meter temperature probe socket; 15, locking bolt; 16, standard solution test tube; 17, outer cylinder; 18, inner clamping plate; 19, supporting plate; 20, spring one; 21, antiskid rubber pad; 22, guide rod; 23, rubber pressure head; 24, alignment insertion rod; 25, sliding rod; 26, spring two; 27, operation plate. DETAILED DESCRIPTION

[0027] Please refer to Figures 1-5The utility model provides a conductivity instrument calibrates auxiliary device, including support base 1, the one end of support base 1 has the gap, the lower surface of support base 1 is provided with fixed clamping plate 2 and movable clamping plate 6, fixed clamping plate 2 fixed mounting is at the lower surface of support base 1, the upper surface of movable clamping plate 6 is fixedly installed with sliding plate 4, sliding plate 4 is located in the gap and the fixed mounting of several fixed screws 3 of gap inner wall, the outer surface of fixed screw 3 is equipped with fixed nut 5 through the through hole of the upper opening of several fixed screws 3, fixed nut 5 is in close contact with the side of sliding plate 4 and is arranged, the upper surface of support base 1 is fixedly installed with drive shell 7, the inside rotation of drive shell 7 is installed with threaded rod 8, one end of threaded rod 8 extends drive shell 7 and is fixedly installed with handle, the outer surface of threaded rod 8 is equipped with screw plate 9, the side of screw plate 9 is fixedly installed with several connecting plates 10, connecting plate 10 extends drive shell 7 through the channel of drive shell 7 side and is fixedly installed with mounting plate 11, the opening of mounting plate 11 is equipped with mercury thermometer socket 12, standard solution test tube socket 13 and conductivity instrument temperature probe socket 14, the position of mounting plate 11 is opposite mercury thermometer socket 12 and the position of conductivity instrument temperature probe socket 14 are all equipped with locking bolt 15, standard solution test tube socket 13 is inserted with standard solution test tube 16, the outer surface of standard solution test tube 16 is fixedly installed with support plate 19, the upper surface of mounting plate 11 is fixedly installed with outer cylinder 17, the inside sliding of outer cylinder 17 is installed with inner clamping plate 18, the clamping groove of support plate 19 is opened to the card of inner clamping plate 18.

[0028] Through setting support base 1 cooperation fixed clamping plate 2 and movable clamping plate 6 use, movable clamping plate 6 and fixed clamping plate 2 cooperation can be fixed with support base 1 on constant temperature tank, and utilize mounting plate 11 on mercury thermometer socket 12, standard solution test tube socket 13 and conductivity instrument temperature probe socket 14 to insert mercury thermometer, standard solution test tube 16 and conductivity instrument temperature probe respectively, need not staff to hold operation when calibrating, improve operation convenience, guarantee operation to carry out smoothly, through setting threaded rod 8 cooperation screw plate 9 use, can according to the depth of liquid in constant temperature tank to the position of mounting plate 11 carry out vertical lifting adjustment, improve the universality of use, operation adjustment is convenient.

[0029] The inner wall of the gap on the support base 1 is fixedly installed with a spring 20, the spring 20 is sleeved outside the fixed screw 3, and the spring 20 is fixedly connected with the sliding plate 4. By setting the spring 20, when the fixed nut 5 is twisted to drive the sliding plate 4 to drive the movable clamping plate 6 to move towards the fixed clamping plate 2, the spring 20 is deformed. Therefore, when the fixed nut 5 is loosened, the spring 20 can be used to drive the sliding plate 4 to drive the movable clamping plate 6 to quickly reset, improving the unlocking operation convenience.

[0030] The opposite surface of the fixed clamping plate 2 and the movable clamping plate 6 is pasted with an antiskid rubber pad 21. The antiskid rubber pad 21 can prevent the fixed clamping plate 2 and the movable clamping plate 6 from slipping.

[0031] The inner wall of the driving shell 7 is fixedly provided with a plurality of guide rods 22, and the threaded plate 9 is slidingly installed on the outer surface of the guide rods 22. The guide rods 22 can make the threaded plate 9 move more stably when the threaded rod 8 drives the threaded plate 9 to move, and can prevent the threaded plate 9 from slipping and shaking.

[0032] The tail end of the locking bolt 15 is fixedly provided with a rubber pressure head 23. The rubber pressure head 23 can prevent the surface of the mercury thermometer or the temperature probe of the conductivity meter from being damaged when the locking bolt 15 is used to lock and fix the mercury thermometer or the temperature probe of the conductivity meter.

[0033] The upper surface of the mounting plate 11 is fixedly provided with a plurality of alignment insertion rods 24, and the support plate 19 is provided with a plurality of alignment insertion holes. The alignment insertion rods 24 and the alignment insertion holes are used in cooperation. The use of the alignment insertion rods 24 and the alignment insertion holes can guide the standard solution test tube 16 during insertion, and can improve the convenience of insertion operation.

[0034] The outer cylinder 17 is slidingly provided with a sliding rod 25, one end of the sliding rod 25 is fixedly provided with an operation plate 27, the other end of the sliding rod 25 is fixedly connected with the inner clamping plate 18, and the spring 26 is fixedly installed between the side surface of the inner clamping plate 18 and the inner wall of the outer cylinder 17. The use of the sliding rod 25 and the spring 26 can make the inner clamping plate 18 slide stably without shaking, and the elastic force of the spring 26 can drive the inner clamping plate 18 to be quickly clamped into the clamping groove, thereby improving the convenience of locking operation.

[0035] In use, the support base 1 is placed on the surface of the thermostat, and the position of the support base 1 is adjusted so that the fixed clamping plate 2 is attached to the inner wall of the thermostat, then the sliding plate 4 is moved on the surface of the fixed screw 3, and after the movable clamping plate 6 is attached to the outer wall of the thermostat, the fixed nut 5 is screwed, and then the support base 1 is clamped on the thermostat by the fixed clamping plate 2 and the movable clamping plate 6, then the mercury thermometer and the conductivity meter temperature probe are inserted into the mercury thermometer port 12 and the conductivity meter temperature probe port 14 respectively, then the locking bolt 15 is tightened to lock and fix the mercury thermometer and the conductivity meter temperature probe, then the operating plate 27 is pulled to drive the sliding rod 25 to move the inner clamping plate 18, when the inner clamping plate 18 is disengaged from the standard solution test tube port 13, the standard solution test tube 16 is inserted into the standard solution test tube port 13, and during the insertion, the alignment plug rod 24 and the alignment plug hole are used for alignment operation, after the insertion is completed, the operating plate 27 is loosened, the inner clamping plate 18 is driven to move and clamp into the clamping groove by the elastic force of the spring 26, and the fixation of the standard solution test tube 16 is completed, then the mounting plate 11 is adjusted according to the depth of the liquid in the thermostat, during the adjustment, the handle is rotated to drive the threaded rod 8 to rotate, and then the threaded plate 9 drives the connecting plate 10 to move up and down, and then the mounting plate 11 moves up and down, and after the bottom end of the mercury thermometer, the standard solution test tube 16 and the conductivity meter temperature probe is immersed below the liquid surface, the handle is stopped.

Claims

1. A conductivity meter verification aid, characterized by: The utility model provides a support base (1) including, one end of support base (1) has the gap, the lower surface of support base (1) is provided with fixed clamping plate (2) and movable clamping plate (6), fixed clamping plate (2) is fixedly installed in the lower surface of support base (1), the upper surface of movable clamping plate (6) is fixedly installed with sliding plate (4), sliding plate (4) is located in the gap and the fixed installation of inner wall gap a plurality of fixed screw (3), a plurality of through -holes are set up on sliding plate (4) and are set on the outer surface of a plurality of fixed screw (3) through through -hole sleeve, the outer surface of fixed screw (3) is screw mounted with fixed nut (5), fixed nut (5) is laid in the side of sliding plate (4), the upper surface of support base (1) is fixedly installed with drive shell (7), the inside rotation of drive shell (7) is installed with threaded rod (8), one end of threaded rod (8) extends drive shell (7) and is fixedly installed with handle, the outer surface of threaded rod (8) is screw mounted with threaded plate (9), the side of threaded plate (9) is fixedly installed with a plurality of connecting plates (10), connecting plate (10) extends drive shell (7) through the channel of drive shell (7) side and is fixedly installed with mounting plate (11), mounting plate (11) is opened mercury thermometer socket (12), standard solution test tube socket (13) and conductivity meter temperature probe socket (14), the position of mounting plate (11) is opposite mercury thermometer socket (12) and conductivity meter temperature probe socket (14) position are screw mounted with locking bolt (15), standard solution test tube socket (13) is inserted with standard solution test tube (16), the outer surface of standard solution test tube (16) is fixedly installed with support plate (19), the upper surface of mounting plate (11) is fixedly installed with outer cylinder (17), the inside sliding of outer cylinder (17) is installed with inner clamping plate (18), the support plate (19) is opened and is inserted with the clamping groove of inner clamping plate (18) clamping groove.

2. The conductivity meter verification aid of claim 1, wherein: The inner wall of the gap in the support base (1) is fixedly installed with a spring (20), the spring (20) is sleeved on the outside of the fixed screw (3), and the spring (20) is fixedly connected with the sliding plate (4).

3. The conductivity meter verification aid of claim 1, wherein: The opposite surfaces of the fixed clamping plate (2) and the movable clamping plate (6) are pasted with anti-skid rubber pads (21).

4. The conductivity meter verification aid of claim 1, wherein: The inner wall of the drive shell (7) is fixedly installed with a plurality of guide rods (22), and the threaded plate (9) is slidingly installed on the outer surfaces of the plurality of guide rods (22).

5. The conductivity meter verification aid of claim 1, wherein: The tail end of the locking bolt (15) is fixedly installed with a rubber pressure head (23).

6. The conductivity meter verification aid of claim 1, wherein: The upper surface of the mounting plate (11) is fixedly installed with a plurality of alignment insertion rods (24), a plurality of alignment insertion holes are formed in the support plate (19), and the alignment insertion rods (24) and the alignment insertion holes are used in cooperation.

7. The conductivity meter verification aid of claim 1, wherein: The side surface of the outer cylinder (17) is slidably installed with a sliding rod (25), one end of the sliding rod (25) is fixedly installed with an operation plate (27), the other end of the sliding rod (25) is fixedly connected with an inner clamping plate (18), and the side surface of the inner clamping plate (18) and the inner wall of the outer cylinder (17) are fixedly installed with spring two (26).

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