Waterproof cover of nondestructive testing flaw detector

By designing a waterproof cover on the non-destructive flaw detector and using a combined structure of a sealing ring and a threaded rod, the problem of liquid infiltration during detection is solved, ensuring the waterproofness and detection accuracy of the instrument, and optimizing portability.

CN222302186UActive Publication Date: 2025-01-03HEILONGJIANG FARADAY TECH CO LTD
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Patent Information

Application Number
CN202421050197.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-01-03
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

During detection, the non-destructive flaw detector is covered with liquids such as water due to different environments, causing the liquid to penetrate into the instrument, causing the instrument to be short-circuited and damaged.

Method used

A waterproof cover is designed, including a waterproof cover, sealing ring, waterproof shell and threaded rod. Through the filling sealing structure of the sealing ring and sealing ring, the limit design of the round hole and thread groove of the waterproof shell ensures the outer wall of the probe rod and the probe head. It is not affected by moisture, and through the cooperation of the support structure and spring, it achieves convenient instrument access and space savings.

Benefits of technology

Effectively prevent liquid infiltration, avoid short circuit damage of instruments, and do not affect the detection function of the probe, and reduce the space when not needed.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of flaw detection equipment, in particular to a waterproof cover of a nondestructive testing flaw detector, which comprises a device body, an instrument body, a connecting wire connected to the top end of the instrument body, a feeler lever connected to one end of the connecting wire, and a probe arranged at the bottom end of the feeler lever; the outer wall of the top end of the probe rod is sleeved with a waterproof structure which comprises a waterproof cover, and a first sealing ring is arranged on the inner surface of the waterproof cover. The waterproof cover is sleeved on the outer wall of the top end of the probe rod, then the threaded rod penetrates through the through hole formed in the positioning ring to be rotatably connected into the threaded groove formed in the waterproof shell to limit the waterproof shell, so that the positioning ring and the waterproof shell are connected, the waterproof cover and the waterproof shell are used for performing waterproof treatment on the outer wall of the probe rod, and the waterproof effect is good. The detection of the probe is not influenced, and the problem that liquid permeates into the instrument to cause short-circuit damage to the instrument is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of flaw detection equipment, in particular to a waterproof cover of a nondestructive testing flaw detector. Background Art

[0002] Nondestructive testing flaw detectors can quickly, conveniently, non-destructively and accurately detect, locate, evaluate and diagnose various defects inside workpieces, such as cracks, inclusions and pores. They can be used both in laboratories and on engineering sites. They can be widely used in manufacturing, steel and metallurgy, metal processing, chemical industry and other fields that require defect detection and quality control. They are also widely used in in-service safety inspections and life assessments in boilers, pressure vessels and other fields.

[0003] When using the existing non-destructive testing flaw detector, the function of the non-destructive testing flaw detector is to detect, locate, evaluate and diagnose various defects such as cracks, inclusions, pores, etc. inside the workpiece. However, during detection, the non-destructive testing flaw detector may be contaminated with liquids such as water due to different environments, causing the liquid to penetrate into the instrument and cause short circuit damage to the instrument. Utility Model Content

[0004] The utility model aims to provide a waterproof cover for a nondestructive testing flaw detector, so as to solve the problem that the nondestructive testing flaw detector proposed in the above background technology may be stained with water or other liquids during detection due to different environments, so that the liquids penetrate into the inside of the instrument and cause short circuit damage to the instrument.

[0005] To achieve the above object, the utility model provides the following technical solution, a waterproof cover for a non-destructive testing flaw detector, comprising:

[0006] The device body comprises an instrument body, the top of the instrument body is connected to a connecting wire, one end of the connecting wire is connected to a probe rod, and the bottom end of the probe rod is provided with a probe;

[0007] A waterproof structure is sleeved on the outer wall of the top end of the probe rod, including a waterproof cover, a sealing ring 1 is arranged on the inner surface of the waterproof cover, a positioning ring is connected to the bottom end of the waterproof cover, a waterproof shell is inserted inside the positioning ring, a sealing ring 2 is arranged on the inner surface of the bottom end of the waterproof shell, a sealing ring is embedded inside the top end of the waterproof shell, and threaded rods are inserted inside the two sides of the positioning ring.

[0008] Preferably, the sealing ring is filled between the probe rod and the waterproof cover for filling and sealing, the bottom surface of the waterproof cover is provided with a sealing ring, the top surface of the waterproof shell is provided with a sealing groove, and the sealing ring is embedded in the sealing groove provided in the waterproof shell.

[0009] Preferably, a circular hole is opened at the bottom end of the waterproof shell, and the second sealing ring is arranged on the inner wall of the circular hole opened in the waterproof shell and filled between the probe and the waterproof shell for sealing.

[0010] Preferably, the positioning ring is sleeved on the outer wall of the top end of the waterproof shell, through holes are opened on both sides of the positioning ring, threaded grooves are opened on both sides of the waterproof shell, and the threaded rod passes through the through holes opened in the positioning ring and is rotatably connected to the inside of the threaded groove opened in the waterproof shell.

[0011] Preferably, a support structure is internally connected to one side of the instrument body, and the support structure includes a compression spring, one end of the compression spring is connected to a support pile, the support pile is internally connected to a support spring, one end of the support spring is connected to a slider, and one end of the slider is connected to a handle.

[0012] Preferably, a groove is opened on one side of the instrument body, one end of the compression spring is connected to one side of the inner wall of the groove opened on the instrument body, a slot hole is opened on one end of the support pile, and one end of the compression spring is connected to one side of the inner wall of the slot hole opened on the support pile.

[0013] Preferably, a slide groove is provided on one side of the support pile, one end of the support spring is connected to one side of the inner wall of the slide groove provided on the support pile, and one end of the slider is inserted into the slide groove provided on the support pile and is slidably connected to the support pile.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The waterproof cover is sleeved on the outer wall of the top end of the probe rod, and a sealing ring is used to fill and seal between the waterproof cover and the probe rod, and then the waterproof shell is inserted into the positioning ring, so that the sealing ring is embedded in the sealing groove opened at the top end of the waterproof shell, the waterproof cover and the waterproof shell are sealed, and the probe is extended outside the circular hole opened in the waterproof shell, and the sealing ring is used to fill between the probe and the waterproof shell, and then the threaded rod is passed through the through hole opened in the positioning ring and is rotatably connected to the threaded groove opened in the waterproof shell, and the waterproof shell is limited, so as to connect the positioning ring and the waterproof shell, and the outer wall of the probe rod is waterproofed by the waterproof cover and the waterproof shell, without affecting the detection of the probe, and avoiding liquid from seeping into the inside of the instrument to cause short circuit damage to the instrument.

[0016] By moving the position of the handle, the slider slides in the slide groove opened by the support pile, and squeezes the support spring to shrink, so that the support spring supports the support pile to move outside the groove opened by the instrument body, and the compression spring connected to one end of the support pile is extended, so that the handle is grasped to pick up the instrument body, and the support pile and the handle are reset by the compression spring and the support spring. When the instrument body is not needed, the support pile and the handle are retracted to reduce the occupied space. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a front view and cutaway perspective diagram of the structure of the utility model;

[0019] Figure 3 It is a top view and a partially cutaway three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 4 It is a partially cutaway three-dimensional schematic diagram of the structure of the utility model viewed from above;

[0021] Figure 5 It is a schematic diagram of a partially cutaway perspective view of the structure of the present invention.

[0022] In the figure: 1. Device body; 11. Instrument body; 12. Connecting wire; 13. Probe rod; 14. Probe; 2. Waterproof structure; 21. Waterproof cover; 22. Sealing ring 1; 23. Positioning ring; 24. Waterproof shell; 25. Sealing ring 2; 26. Sealing ring; 27. Threaded rod; 3. Support structure; 31. Compression spring; 32. Support pile; 33. Support spring; 34. Slider; 35. Handle. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 , an embodiment provided by the utility model:

[0025] A waterproof cover for a nondestructive testing flaw detector, comprising:

[0026] The device body 1 includes an instrument body 11, a connecting wire 12 is connected to the top of the instrument body 11, one end of the connecting wire 12 is connected to a probe rod 13, and a probe 14 is arranged at the bottom of the probe rod 13. The electronic components in the instrument body 11 are prior art and can be purchased on the market. They are not the technical protection points of this application, so no excessive description is made;

[0027] The outer wall of the top end of the probe rod 13 is sleeved with a waterproof structure 2, including a waterproof cover 21, a sealing ring 22 is provided on the inner surface of the waterproof cover 21, a positioning ring 23 is connected to the bottom end of the waterproof cover 21, a waterproof shell 24 is inserted inside the positioning ring 23, a sealing ring 25 is provided on the inner surface of the bottom end of the waterproof shell 24, a sealing ring 26 is embedded inside the top end of the waterproof shell 24, and threaded rods 27 are inserted inside the two sides of the positioning ring 23.

[0028] Furthermore, a sealing ring 22 is filled between the probe rod 13 and the waterproof cover 21 for filling and sealing. A sealing ring 26 is provided on the bottom surface of the waterproof cover 21. A sealing groove is provided on the top surface of the waterproof shell 24. The sealing ring 26 is embedded in the sealing groove provided in the waterproof shell 24, so as to realize the positioning of the sealing ring 26 through the sealing groove provided in the waterproof shell 24.

[0029] Furthermore, a circular hole is opened at the bottom of the waterproof shell 24, and a sealing ring 25 is arranged on the inner wall of the circular hole opened in the waterproof shell 24 and filled between the probe 14 and the waterproof shell 24 for sealing, thereby achieving filling and sealing between the waterproof shell 24 and the probe 14 through the sealing ring 25.

[0030] Furthermore, the positioning ring 23 is sleeved on the outer wall of the top end of the waterproof shell 24, through holes are opened on both sides of the positioning ring 23, and threaded grooves are opened on both sides of the waterproof shell 24. The threaded rod 27 passes through the through holes opened in the positioning ring 23 and is rotatably connected to the inside of the threaded groove opened in the waterproof shell 24, thereby realizing the connection and fixing effect between the positioning ring 23 and the waterproof shell 24 through the threaded rod 27.

[0031] Furthermore, a support structure 3 is internally connected to one side of the instrument body 11, and the support structure 3 includes a compression spring 31, one end of the compression spring 31 is connected to a support pile 32, a support spring 33 is internally connected to the support pile 32, one end of the support spring 33 is connected to a slider 34, and one end of the slider 34 is connected to a handle 35, so that the instrument body 11 can be picked up by using the handle 35, and the support pile 32 and the handle 35 can be reset by the compression spring 31 and the support spring 33.

[0032] Furthermore, a groove is opened on one side of the instrument body 11, one end of the compression spring 31 is connected to one side of the inner wall of the groove opened on the instrument body 11, a slot hole is opened on one end of the support pile 32, one end of the compression spring 31 is connected to one side of the inner wall of the slot hole opened on the support pile 32, so that one end of the compression spring 31 is fixed through the slot hole opened on the support pile 32.

[0033] Furthermore, a slide groove is opened on one side of the support pile 32, one end of the support spring 33 is connected to one side of the inner wall of the slide groove opened on the support pile 32, and one end of the slider 34 is inserted into the slide groove opened on the support pile 32 and is slidably connected to the support pile 32, so that one end of the slider 34 can be moved and limited by the slide groove opened on the support pile 32.

[0034] Working principle: When waterproofing the non-destructive testing flaw detector, the waterproof cover 21 is sleeved on the outer wall of the top end of the probe rod 13, and the sealing ring 1 22 is used to fill and seal between the waterproof cover 21 and the probe rod 13, and then the waterproof shell 24 is inserted into the positioning ring 23, so that the sealing ring 26 is embedded in the sealing groove opened at the top of the waterproof shell 24, and the waterproof cover 21 and the waterproof shell 24 are sealed, and the probe 14 is extended outside the circular hole opened in the waterproof shell 24, and the sealing ring 25 is used to fill between the probe 14 and the waterproof shell 24, and then the threaded rod 27 is passed through the through hole opened in the positioning ring 23 and is rotatably connected to the threaded groove opened in the waterproof shell 24, and the waterproof shell 24 is limited, so as to connect between the positioning ring 23 and the waterproof shell 24, and the outer wall of the probe rod 13 is waterproofed by the waterproof cover 21 and the waterproof shell 24, and the detection of the probe 14 is not affected.

[0035] When the nondestructive testing flaw detector is to be taken, the position of the handle 35 is moved to make the slider 34 slide inside the slide groove opened by the support pile 32, and the support spring 33 is squeezed to shrink, so that the support spring 33 supports the support pile 32 to move outside the groove opened in the instrument body 11, and the compression spring 31 connected to one end of the support pile 32 is extended, so that the handle 35 is held to pick up the instrument body 11, and the support pile 32 and the handle 35 are reset by the compression spring 31 and the support spring 33. When the instrument body 11 is not needed, the support pile 32 and the handle 35 are retracted to reduce the occupied space.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A waterproof cover for a nondestructive flaw detector, characterized in that: include: The device body (1) comprises an instrument body (11), the top of the instrument body (11) being connected to a connecting wire (12), one end of the connecting wire (12) being connected to a probe rod (13), and the bottom end of the probe rod (13) being provided with a probe (14); The outer wall of the top end of the probe rod (13) is sleeved with a waterproof structure (2), comprising a waterproof cover (21), the inner surface of the waterproof cover (21) is provided with a sealing ring 1 (22), the bottom end of the waterproof cover (21) is connected with a positioning ring (23), a waterproof shell (24) is inserted inside the positioning ring (23), the inner surface of the bottom end of the waterproof shell (24) is provided with a sealing ring 2 (25), a sealing ring (26) is embedded inside the top end of the waterproof shell (24), and threaded rods (27) are inserted inside the two sides of the positioning ring (23).

2. The waterproof cover of a nondestructive testing flaw detector according to claim 1, characterized in that: The sealing ring 1 (22) is filled between the probe rod (13) and the waterproof cover (21) for filling and sealing. The bottom surface of the waterproof cover (21) is provided with a sealing ring (26). The top surface of the waterproof shell (24) is provided with a sealing groove. The sealing ring (26) is embedded in the sealing groove provided in the waterproof shell (24).

3. The waterproof cover of a nondestructive flaw detector according to claim 1, characterized in that: A circular hole is formed at the bottom end of the waterproof shell (24), and the second sealing ring (25) is arranged on the inner wall of the circular hole formed in the waterproof shell (24) and is filled between the probe (14) and the waterproof shell (24) to perform sealing.

4. The waterproof cover of a nondestructive flaw detector according to claim 1, characterized in that: The positioning ring (23) is sleeved on the outer wall of the top end of the waterproof shell (24); through holes are provided on both sides of the positioning ring (23); thread grooves are provided on both sides of the waterproof shell (24); the threaded rod (27) passes through the through holes provided in the positioning ring (23) and is rotatably connected to the inside of the thread groove provided in the waterproof shell (24).

5. The waterproof cover of a nondestructive flaw detector according to claim 1, characterized in that: A support structure (3) is internally connected to one side of the instrument body (11), the support structure (3) comprising a compression spring (31), one end of the compression spring (31) being connected to a support pile (32), the support pile (32) being internally connected to a support spring (33), one end of the support spring (33) being connected to a slider (34), and one end of the slider (34) being connected to a handle (35).

6. The waterproof cover of a nondestructive flaw detector according to claim 5, characterized in that: A groove is formed on one side of the instrument body (11), one end of the compression spring (31) is connected to one side of the inner wall of the groove formed on the instrument body (11), a slot hole is formed on one end of the support pile (32), and one end of the compression spring (31) is connected to one side of the inner wall of the slot hole formed on the support pile (32).

7. The waterproof cover of a nondestructive flaw detector according to claim 5, characterized in that: A sliding groove is provided on one side of the support pile (32), one end of the support spring (33) is connected to one side of the inner wall of the sliding groove provided on the support pile (32), and one end of the sliding block (34) is inserted into the sliding groove provided on the support pile (32) and is slidably connected to the support pile (32).