Corrosion resistance testing device for ball body of ball valve

Abstract

The utility model discloses a corrosion resistance test device for a ball body of a ball valve, belongs to the technical field of test equipment, and provides the corrosion resistance test device for the ball body of the ball valve, which can enable less corrosive gas to overflow when a tested object is taken and placed, and comprises a test box, an inner probing arm is inserted into the side wall of the test box, and an outer probing arm is inserted into the inner probing arm. One end, located at the test box, of the inner probing arm is suitable for installing a test body of a ball valve ball body, a plug cover is further matched on the outer side face of the test box, the top of the test box is open and is provided with a sealing cover, and a temperature detector, a humidity detector, a PH value detector and an electrical bar are fixedly connected to the sealing cover. A smaller rotation stopping through hole structure is formed in the side wall of the test box and matched with an inner probing arm structure capable of being tightly attached, a tested object is placed at the end, capable of stretching into the test box, of an inner probing arm, the amount of corrosive gas overflowing in the process of taking and placing the tested object can be effectively reduced, and the test efficiency is improved. Therefore, the concentration of corrosive substances in the test environment is kept stable for a long time, and the test accuracy is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of testing equipment, in particular to a corrosion resistance test device for ball valve ball. BACKGROUND

[0002] Corrosion resistance testing of ball valve ball usually needs to create a corrosive environment in a certain space. If the corrosive environment is a gas, the container containing the gas is easy to cause a large amount of gas to overflow when it is opened and closed, so that the concentration of corrosive substances decreases, affecting the final test result. SUMMARY

[0003] The purpose of the present application is to provide a corrosion resistance test device for ball valve ball which can cause less corrosive gas to overflow when taking and placing the tested object.

[0004] To achieve the above purpose, the present application provides a corrosion resistance test device for ball valve ball: including a test box, the side wall of the test box is inserted with an inner probe arm, the inner probe arm is located at one end of the test box and is adapted to install a test body of a ball valve ball, the outer side of the test box is also matched with a plug cover, which is adapted to cover the insertion part of the inner probe arm and the test box, the top of the test box is open and provided with a sealing cover, the sealing cover is fixedly connected with a temperature detector, a humidity detector, a PH value detector and an electric heating rod, the upper surface of the sealing cover is also provided with a processor, the temperature detector, the humidity detector and the PH value detector are connected with the processor through signal lines, the probes of the temperature detector, the humidity detector and the PH value detector are adapted to be located in the test box, the processor is connected with the electric heating rod through a power supply line, and the heating part of the electric heating rod is adapted to be located in the test box for adjusting the temperature of the test environment.

[0005] As a preferred, the side wall of the test box is provided with a rotation stopping through hole, the inner probe arm includes a rotation stopping handle adapted to be inserted into the rotation stopping through hole, one end of the rotation stopping handle has a clamping claw, and the other end is fixedly connected with an inner pinching handle through a stop ring, so that the inner probe arm can be easily pulled out by hand.

[0006] As a preferred, the number of the clamping claws is at least three, and the clamping claws are equidistantly arranged around the geometric center line of the rotation stopping handle, the inner side of the clamping claw has a pinching groove, and the test body is adapted to be attached to all the pinching grooves, so as to ensure the stability of the installation of the test body at the end of the inner probe arm.

[0007] As a preferred, the outer side of the test box is provided with a sealing sunken groove in communication with the rotation stopping through hole, the plug cover is embedded in the sealing sunken groove, and the outer side of the test box is also provided with a touch screen electrically connected with the processor for displaying important parameters of the test environment, and individual parameters can also be set.

[0008] As a preferred, the sealing groove also has an embedded ring, the stop ring is located in the embedded ring, one end of the plug cover has a sealing ring and a pressing ring, the pressing ring is located in the sealing ring, the pressing ring is suitable for pressing on the end face of the stop ring, and the sealing ring is suitable for sleeving outside the embedded ring to form a tight sealing surface, so that the concentration of corrosive substances in the test environment during long-term testing is ensured.

[0009] As a preferred, the central part of the pressing ring has a space for accommodating the inner handle, and the other end of the plug cover also has an outer handle, which is also convenient for taking out the plug cover.

[0010] As a preferred, the top of the test box has a flange connected head to tail, and the bottom surface of the sealing cover is provided with a matching groove connected head to tail, which is suitable for closely fitting with the flange, and also forms a sealing surface to prevent corrosive gas from overflowing from the upper open end of the test box.

[0011] As a preferred, the sealing cover is provided with four through holes for the probes of the temperature detector, humidity detector and PH value detector and the heating part of the electric heating rod to pass through, and the upper surface of the sealing cover is also fixedly connected with a handle, which is convenient for taking out the sealing cover after testing and cleaning the inside of the test box.

[0012] Compared with the prior art, the application has the following advantages:

[0013] (1) By providing smaller rotation-stopping through holes in the side wall of the test box and cooperating with the closely fitting inner probe arm structure, the tested object can be placed at the end of the inner probe arm that can extend into the inside of the test box, which can effectively reduce the amount of corrosive gas overflowing during the taking and placing of the tested object, thereby maintaining the concentration of corrosive substances in the test environment stable for a long time, and improving the test accuracy;

[0014] (2) By providing a sealing cover structure that is easy to open, the test device can quickly release the corrosive gas in the inside of the test box after use, and also facilitates thorough cleaning of the inside of the test box, so that the corrosive environment is not affected by the residues of the last test when used next time, which is also conducive to grasping the test results. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a three-dimensional schematic view of the overall structure of the corrosion-resistant test device for the ball valve ball.

[0016] Figure 2 is a three-dimensional sectional view of the overall structure of the corrosion-resistant test device for the ball valve ball.

[0017] Figure 3 A perspective view of the inner probe arm of the corrosion resistance testing device for the ball valve ball body in combination with the test box.

[0018] Figure 4 A perspective view of the inner probe arm of the corrosion resistance testing device for the ball valve ball body in combination with the test box.

[0019] Figure 5 A perspective view of the test box of the corrosion resistance testing device for the ball valve ball body.

[0020] Figure 6 A perspective view of the test body of the corrosion resistance testing device for the ball valve ball body installed at the end of the inner probe arm.

[0021] Figure 7 A side view of the test body of the corrosion resistance testing device for the ball valve ball body installed at the end of the inner probe arm.

[0022] Figure 8 A perspective view of the inner probe arm of the corrosion resistance testing device for the ball valve ball body.

[0023] Figure 9 A perspective view of the plug cover of the corrosion resistance testing device for the ball valve ball body.

[0024] Figure 10 A perspective view of the plug cover of the corrosion resistance testing device for the ball valve ball body.

[0025] Figure 11 A first perspective view of the electrical functional components of the corrosion resistance testing device for the ball valve ball body arranged on the sealing cover.

[0026] Figure 12 A second perspective view of the electrical functional components of the corrosion resistance testing device for the ball valve ball body arranged on the sealing cover.

[0027] Figure 13 A perspective view of the sealing cover of the corrosion resistance testing device for the ball valve ball body.

[0028] Figure 14 A perspective view of the sealing cover of the corrosion resistance testing device for the ball valve ball body.

[0029] In the figure: 1, sealing cover; 101, fitting groove; 102, handle; 103, through hole; 2, test box; 201, flange; 202, sealing groove; 203, rotation stopping through hole; 204, embedded ring; 3, plug cover; 301, outer pinch handle; 302, sealing ring; 303, pressing ring; 304, accommodating cavity; 4, inner probe arm; 401, rotation stopping handle; 402, blocking ring; 403, clamping claw; 404, pinch groove; 405, inner pinch handle; 5, touch screen; 6, processor; 601, signal line; 602, power supply line; 7, temperature detector; 8, humidity detector; 9, PH value detector; 10, electric heating rod; 11, test body. DETAILED DESCRIPTION

[0030] Hereinafter, the present application will be further described in conjunction with specific embodiments, and it should be noted that the following described embodiments or technical features can be combined with each other to form new embodiments without conflict.

[0031] In the description of the present application, it should be noted that for orientation words, such as the terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the present application.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and do not necessarily describe a specific order or sequence.

[0033] The terms "include" and "have" and any variations thereof in the specification and claims of the present application are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0034] As Figures 1-14The corrosion resistance test device of the ball valve ball body shown, including the open top test box 2, the side wall of the test box 2 is inserted with the inner probe arm 4, the inner probe arm 4 is located at one end of the test box 2 and can install the test body 11 of the ball valve ball body, so that the test object is suspended in the central position of the test box 2, the side wall of the test box 2 is provided with a polygonal rotation stopping through hole 203, the inner probe arm 4 includes a polygonal rotation stopping handle 401, which is inserted with the rotation stopping through hole 203, one end of the rotation stopping handle 401 has a clamping claw 403, the clamping claw 403 has a certain deformation ability, the number of the clamping claw 403 is at least three, and the clamping claw 403 is equidistantly arranged around the geometric center line of the rotation stopping handle 401, on the other hand, the inner side of the clamping claw 403 has a kneading groove 404 consistent with the curvature of the outer side of the test body 11, the test body 11 is just combined with all the kneading grooves 404, and the other end of the rotation stopping handle 401 is fixedly connected with an inner kneading handle 405 through a stop ring 402, the stop ring 402 is used to prevent the entire inner probe arm 4 from falling into the test box 2 due to being inserted too deeply, and the inner kneading handle 405 is more convenient for finger force, so as to pull out the inner probe arm 4.

[0035] The outer side of the test box 2 is also matched with the plug cover 3, which is used to cover the insertion place of the inner probe arm 4 and the test box 2, specifically: the outer side of the test box 2 is provided with a sealing sink 202 in communication with the rotation stopping through hole 203, and the plug cover 3 is embedded in the sealing sink 202, the outer side of the test box 2 is also provided with a touch screen 5 electrically connected with a processor 6, so that the temperature, humidity and PH value information in the test box 2 can be directly observed on the touch screen 5, and the test generation can also be set through the touch screen 5, such as increasing the environmental temperature in the test box 2, the sealing sink 202 also has an embedded ring 204, the stop ring 402 is located in the embedded ring 204, one end of the plug cover 3 has a coaxial sealing ring 302 and a pressing ring 303, the diameter of the pressing ring 303 is smaller and located in the sealing ring 302, the pressing ring 303 can be pressed on the end face of the stop ring 402, and the sealing ring 302 is suitable for being sleeved outside the embedded ring 204, since the plug cover 3 is made of rubber material, a tightly fitted sealing surface can be formed, which can effectively prevent the corrosive gas from overflowing from the insertion place of the inner probe arm 4 during the test, the central part of the pressing ring 303 has a recess 304 for accommodating the inner kneading handle 405, and the other end of the plug cover 3 also has an outer kneading handle 301, which is also used to facilitate the plug cover 3 to be pulled down by hand.

[0036] The open top of the test box 2 is provided with a sealing cover 1 made of plastic, the top of the test box 2 has a flange 201 connected head to tail, the flange 201 is an integral structure with the main body of the test box 2 and is also made of plastic, the bottom surface of the sealing cover 1 is provided with a matching groove 101 connected head to tail, which is tightly matched with the flange 201, so that the overflow of corrosive gas can be well inhibited, the sealing cover 1 is fixedly connected with a temperature detector 7, a humidity detector 8, a PH value detector 9 and an electric heating rod 10, and the upper surface of the sealing cover 1 is provided with a processor 6, wherein the temperature detector 7, the humidity detector 8 and the PH value detector 9 are connected with the processor 6 through signal lines 601, the probes of the temperature detector 7, the humidity detector 8 and the PH value detector 9 need to be located in the test box 2, which is used to help the processor 6 to test the environmental parameters in the test box 2, the processor 6 is connected with the electric heating rod 10 through a power supply line 602, the heating power of the electric heating rod 10 is controlled by the processor 6, and the heating part of the electric heating rod 10 needs to be located in the test box 2 to work, so that the sealing cover 1 needs to be provided with four through holes 103 structures for the probes of the temperature detector 7, the humidity detector 8 and the PH value detector 9 and the heating part of the electric heating rod 10 to pass through, and the upper surface of the sealing cover 1 is also fixedly connected with a handle 102, which facilitates lifting the sealing cover 1 to restore the open state of the top of the test box 2.

[0037] Working principle: in use, first, a certain temperature and humidity corrosive gas is injected into the test box 2, the change of the physical and chemical parameters of the test box 2 is obtained by the detector, and is displayed on the touch screen 5, the temperature of the test environment is set on the touch screen 5, the electric heating rod 10 will automatically increase the temperature in the test box 2 to the set value under the control of the processor 6, then the test body 11 of the ball valve ball is clamped between the clamping jaws 403 of the inner probe arm 4 and placed in the test box 2 through the rotation stopping hole 203, finally the plug cover 3 is buckled and placed for twenty-four hours, then the plug cover 3 is taken off, the inner probe arm 4 is pulled out, the test body 11 between the clamping jaws 403 is pushed out, and the corrosion degree of the surface can be observed under the instrument, after the test device is used, the sealing cover 1 can be taken off, the corrosive gas in the test box 2 can overflow in a safe environment, and finally the test box 2 can be cleaned and stored.

[0038] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, the above embodiments and descriptions in the specification are only the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A corrosion resistance testing device for a ball valve ball, characterized in that: The utility model provides a kind of ball valve test device, including test box (2), the side wall of test box (2) is inserted with inner probe arm (4), and the test body (11) of the end of test box (2) is suitable for installing ball valve ball, the outside surface of test box (2) is also matched with plug cover (3), is suitable for covering the insertion of inner probe arm (4) and test box (2), the top of test box (2) is open and is provided with sealing cover (1), temperature detector (7), humidity detector (8), PH value detector (9) and electric heating rod (10) are fixedly connected on sealing cover (1), the upper surface of sealing cover (1) is also provided with processor (6), temperature detector (7), humidity detector (8) and PH value detector (9) are all connected with processor (6) by signal line (601), the probe of temperature detector (7), humidity detector (8) and PH value detector (9) is suitable for being located in test box (2), and processor (6) is connected with electric heating rod (10) by power supply line (602), and the heating part of electric heating rod (10) is suitable for being located in test box (2).

2. The corrosion testing apparatus for a ball valve ball as defined in claim 1, wherein: The side wall of test box (2) is provided with a rotation-stopping through hole (203), and the inner probe arm (4) includes a rotation-stopping handle (401) adapted to be inserted into the rotation-stopping through hole (203). One end of the rotation-stopping handle (401) is provided with clamping claws (403), and the other end is fixedly connected with an inner pinching handle (405) through a blocking ring (402).

3. The corrosion testing apparatus for a ball valve ball as defined in claim 2, wherein: The number of the clamping claws (403) is at least three, and the clamping claws (403) are equidistantly arranged around the geometric center line of the rotation-stopping handle (401). The inner side of the clamping claws (403) is provided with pinching grooves (404), and the test body (11) is adapted to be attached to all the pinching grooves (404).

4. The corrosion testing apparatus for a ball valve ball as defined in claim 3 wherein: The outer side of the test box (2) is provided with a sealing sunken groove (202) in communication with the rotation-stopping through hole (203), and the plug cover (3) is embedded in the sealing sunken groove (202). The outer side of the test box (2) is further provided with a touch screen (5) electrically connected with the processor (6).

5. The corrosion testing apparatus for a ball valve ball as defined in claim 4 wherein: The sealing sunken groove (202) further has an embedded ring (204), and the blocking ring (402) is located in the embedded ring (204). One end of the plug cover (3) is provided with a sealing ring (302) and a pressing ring (303). The pressing ring (303) is located in the sealing ring (302), and the pressing ring (303) is adapted to be tightly pressed against the end surface of the blocking ring (402). The sealing ring (302) is adapted to be sleeved outside the embedded ring (204).

6. The corrosion testing apparatus for a ball valve ball as defined in claim 5 wherein: The central part of the pressing ring (303) has a clearance cavity (304) adapted to accommodate the inner pinching handle (405). The other end of the plug cover (3) further has an outer pinching handle (301).

7. A corrosion testing device for a ball valve ball according to any one of claims 1-6, characterized in that: The top of the test box (2) has a flange (201) connected head to tail, and the bottom surface of the sealing cover (1) is provided with a fitting groove (101) connected head to tail, which is adapted to be closely attached to the flange (201).

8. The corrosion testing apparatus for a ball valve ball as defined in claim 7 wherein: The sealing cover (1) is provided with four through holes (103) for the probes of the temperature detector (7), humidity detector (8) and PH value detector (9) and the heating part of the electric heating rod (10) to pass through, and the upper surface of the sealing cover (1) is further fixedly connected with a handle (102).

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