CN219162053U

CN219162053U - Protective housing for probe of eddy current flaw detector

Info

Publication number: CN219162053U
Application number: CN202223081612.7U
Authority: CN
Inventors: 吕运凯
Original assignee: Suzhou Ruizhaofeng Automation Control Co ltd
Current assignee: Suzhou Ruizhaofeng Automation Control Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-06-09
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a protective shell for an eddy current flaw detector probe, which comprises a protective shell, wherein an installation cavity is formed in the protective shell, a threaded sealing cover is arranged at the rear end of the protective shell and is in threaded connection with the installation cavity, the protective shell also comprises a clamping and adjusting cavity which is formed in the middle position above the installation cavity, a double-threaded transmission rod is rotatably arranged in the clamping and adjusting cavity, one end of the double-threaded transmission rod is welded with a rotating shaft, one end of the rotating shaft penetrates through and extends to the outside of the protective shell, and the rotating shaft is rotatably connected with the protective shell. This protective housing for vortex finder probe can change the distance between two arc rubber grip blocks through rotating anti-skidding commentaries on classics piece and adapt to the vortex finder probe of different width, increases application scope, makes things convenient for daily use, can prevent the dropping of vortex finder probe through the fixed of finger simultaneously, has reduced the risk that drops.

Description

Protective housing for probe of eddy current flaw detector

Technical Field

The utility model relates to the technical field of eddy current flaw detectors, in particular to a protective shell for an eddy current flaw detector probe.

Background

The eddy current flaw detector is commonly used for military industry, aviation, railway and industrial and mining enterprises, can be used in the field or on site, is an instrument with the characteristics of multifunction, strong practicability, high performance and price ratio, is widely applied to online and offline flaw detection of various nonferrous metals, ferrous metal pipes, bars, wires and sectional materials, has higher detection sensitivity on the defects of the metal pipes, bars, wires and sectional materials, such as surface cracks, hidden seams, slag inclusions, opening cracks and the like, and is detected by attaching a probe to an object to be detected when the eddy current flaw detector works, and the probe is usually protected by a protective shell in order to ensure that the probe is damaged in the attaching detection process.

The chinese patent of current application No. CN213068709U discloses a protective housing for vortex fault detector probe, including protective housing, protective housing's inner wall fixedly connected with rubber circle, the inner chamber laminating of rubber circle is connected with the probe body, one side fixedly connected with connecting wire of probe body, the outer wall of connecting wire and protective housing's inner chamber slip cup joint, protective housing's top fixedly connected with bar fixed block, the joint groove has been seted up to one side of bar fixed block, the inner chamber activity joint in joint groove has the lantern ring, the shrinkage cavity has been seted up to one side of joint groove inner wall, the inner chamber slip in shrinkage cavity has cup jointed the expansion rope, one end and one side fixed connection of lantern ring of expansion rope.

Above-mentioned scheme is through lantern ring and flexible rope with the vortex finder probe with user's finger connection, restriction vortex finder probe's decline height avoids causing the damage to the connecting wire, but the vortex finder of different models its probe size is also different, this protective housing structure is fixed, it is limited to the probe that the width size is different application scope, be unfavorable for daily use, this protective housing only plays the effect that avoids the probe to drop the back connecting wire damage of pulling simultaneously, but it can't reduce the risk that drops, consequently, do not satisfy current demand, we have proposed an vortex finder probe for protective housing to this.

Disclosure of Invention

The utility model aims to provide a protective shell for an eddy current flaw detector probe, which aims to solve the problems of limited application range and high falling risk of the protective shell of the eddy current flaw detector probe in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the protective shell for the probe of the eddy current flaw detector comprises a protective shell, wherein an installation cavity is formed in the protective shell, a threaded sealing cover is arranged at the rear end of the protective shell, and the threaded sealing cover is in threaded connection with the installation cavity;

the device comprises a mounting cavity, a clamping adjusting cavity, a double-thread transmission rod, a rotating shaft, an L-shaped moving block and a connecting rod, wherein the clamping adjusting cavity is arranged at the middle position above the mounting cavity, the double-thread transmission rod is rotatably arranged in the clamping adjusting cavity, one end of the double-thread transmission rod is welded with the rotating shaft, one end of the rotating shaft penetrates through and extends to the outside of the protective shell, the rotating shaft is rotatably connected with the protective shell, the outer walls of the two ends of the double-thread transmission rod are rotatably provided with the L-shaped moving block, one end of the L-shaped moving block penetrates through and extends to the inside of the mounting cavity, and the L-shaped moving block is slidably matched with the mounting cavity;

still including fixed box, it sets up the front side of protective housing upper end, the inside of fixed box has been seted up and has been held the chamber, hold the top in chamber and seted up tensile chamber, tensile intracavity portion is provided with the sliding plate, hold the inside in chamber and be provided with the stretching rod, the one end of stretching rod runs through the sliding plate and extends to the outside of fixed box, and stretching rod and sliding plate fixed connection, the both sides of stretching intracavity portion are all fixed and are provided with the slide bar, the slide bar all runs through the one end of sliding plate, and the equal sliding plate sliding fit of slide bar, the one end welding that the stretching rod is located fixed box outside has the lifting block.

Preferably, springs are sleeved outside the sliding rods, and one ends of the springs are connected with the sliding plates.

Preferably, a chute is arranged above the inside of the clamping adjusting cavity, and the chute is in sliding fit with the L-shaped moving block.

Preferably, one end of the L-shaped moving block positioned in the mounting cavity is adhered and fixed with an arc-shaped rubber clamping block.

Preferably, an anti-slip rotating block is welded at one end of the rotating shaft, which is positioned outside the protective shell.

Preferably, the two sides of the protective shell are adhered and fixed with three fluorescent strips distributed at equal intervals.

Preferably, the lower extreme adhesion of protective housing is fixed with the finger fixed block, the through-hole that is used for holding the finger is all seted up to the both sides of finger fixed block.

Preferably, one end of the stretching rod positioned outside the accommodating cavity is adhered and fixed with a sponge block.

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

1. according to the utility model, the arc-shaped rubber clamping blocks are arranged on two sides of the inner part of the installation cavity, when the eddy-current flaw detector probe is installed in the installation cavity, the two arc-shaped rubber clamping blocks can clamp the eddy-current flaw detector probe by rotating the anti-slip rotating block, and the eddy-current flaw detector probe can be firmly fixed under the clamping of the two arc-shaped rubber clamping blocks, so that the distance between the two arc-shaped rubber clamping blocks can be changed by rotating the anti-slip rotating block to adapt to the eddy-current flaw detector probe with different widths, the application range is increased, and the eddy-current flaw detector probe is convenient for daily use.

2. According to the utility model, the fixing box is arranged at the front side of the upper end of the protective shell, the thumb is stretched into the accommodating cavity, the sponge block can clamp and fix the thumb through the driving of the spring, the sponge block can reduce the damage of extrusion to the thumb, and meanwhile, the rest fingers penetrate through the through holes formed in the finger fixing block, so that the protective shell and the palm can be firmly fixed, further, the falling of the probe of the eddy current flaw detector is fundamentally prevented, and the falling risk is reduced.

3. According to the utility model, the three fluorescent strips which are distributed at equal intervals are adhered and fixed on the two sides of the protective shell, when the eddy current flaw detector probe is used in a darker environment, the position of the eddy current flaw detector probe can be determined through the fluorescence emitted by the fluorescent strips, so that the eddy current flaw detector probe can be aligned to an object to be measured, and the deviation of the measurement position is reduced.

Drawings

FIG. 1 is a front view of the internal structure of the present utility model;

FIG. 2 is a side view of the internal structure of the present utility model;

FIG. 3 is a side view of the overall structure of the present utility model;

fig. 4 is a top view of the internal structure of the present utility model.

In the figure: 1. a protective housing; 2. a mounting cavity; 3. clamping the adjusting cavity; 4. a double-thread transmission rod; 5. an L-shaped moving block; 6. an arc-shaped rubber clamping block; 7. a rotating shaft; 8. an anti-slip rotating block; 9. a chute; 10. a fixed box; 11. a receiving chamber; 12. a stretching chamber; 13. a slide bar; 14. a spring; 15. a sliding plate; 16. a sponge block; 17. a stretching rod; 18. lifting blocks; 19. a finger fixing block; 20. a threaded closure; 21. a fluorescent strip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a protective housing for vortex flaw detector probe, includes protective housing 1, and installation cavity 2 has been seted up to protective housing 1's inside, and protective housing 1's rear end is provided with screw thread closing cap 20, and screw thread closing cap 20 and installation cavity 2 threaded connection;

the device further comprises a clamping adjusting cavity 3 which is arranged at the middle position above the mounting cavity 2, a double-thread transmission rod 4 is rotatably arranged in the clamping adjusting cavity 3, a rotating shaft 7 is welded at one end of the double-thread transmission rod 4, one end of the rotating shaft 7 penetrates through and extends to the outside of the protective shell 1, the rotating shaft 7 is rotatably connected with the protective shell 1, one ends of L-shaped moving blocks 5,L-shaped moving blocks 5 are rotatably arranged at the outer walls of the two ends of the double-thread transmission rod 4, and the L-shaped moving blocks 5 are slidably matched with the mounting cavity 2;

still include fixed box 10, it sets up the front side in protective housing 1 upper end, hold chamber 11 has been seted up to the inside of fixed box 10, tensile chamber 12 has been seted up to the top of holding chamber 11, tensile chamber 12 inside is provided with slide plate 15, the inside of holding chamber 11 is provided with tensile pole 17, the one end of tensile pole 17 runs through slide plate 15 and extends to the outside of fixed box 10, and tensile pole 17 and slide plate 15 fixed connection, the inside both sides of tensile chamber 12 are all fixed and are provided with slide bar 13, slide bar 13 all runs through the one end of slide plate 15, and slide bar 13 all slide plate 15 sliding fit, the one end welding that tensile pole 17 is located the outside of fixed box 10 has the lifting block 18.

Referring to fig. 1, springs 14 are sleeved outside the sliding rods 13, one ends of the springs 14 are connected with sliding plates 15, and under the elastic recovery action of the springs 14, the sliding plates 15 can drive stretching rods 17 to move downwards, so that the stretching rods 17 drive sponge blocks 16 to clamp and fix thumbs;

referring to fig. 1 and 2, a chute 9 is formed above the inside of the clamping and adjusting cavity 3, and the chute 9 is in sliding fit with the L-shaped moving blocks 5, so that the rotation of the two L-shaped moving blocks 5 can be converted into opposite or opposite horizontal rectilinear motion under the limit guiding action of the chute 9;

referring to fig. 1, 2 and 4, an arc-shaped rubber clamping block 6 is adhered and fixed at one end of the l-shaped moving block 5 positioned in the installation cavity 2, and the arc-shaped rubber clamping block 6 is made of rubber, so that abrasion to a probe of the eddy current flaw detector is avoided;

referring to fig. 1, 3 and 4, one end of the rotating shaft 7, which is located outside the protective housing 1, is welded with an anti-slip rotating block 8, and an anti-slip stripe is arranged on the outer wall of the anti-slip rotating block 8, so that friction force with fingers can be increased, and slipping during rotating the rotating shaft 7 is avoided;

referring to fig. 3, three fluorescent strips 21 distributed at equal intervals are adhered and fixed on two sides of the protective shell 1, and the position of the probe of the eddy current flaw detector can be determined by the fluorescence emitted by the fluorescent strips 21, so that the probe can be aligned to an object to be measured, and the deviation of the measurement position is reduced;

referring to fig. 1, 2 and 3, a finger fixing block 19 is adhered and fixed at the lower end of the protective housing 1, through holes for accommodating fingers are formed on two sides of the finger fixing block 19, and other fingers except for the thumb are inserted into the finger fixing block 19, so that the contact between the protective housing 1 and the fingers can be increased;

referring to fig. 1 and 2, one end of the stretching rod 17 outside the accommodating cavity 11 is adhered and fixed with a sponge block 16, and the soft characteristic of the sponge block 16 can prevent the stretching rod 17 from damaging the thumb due to excessive extrusion.

Working principle: when in use, the connecting wire of the probe of the eddy current flaw detector firstly passes through the protective shell 1, then the probe of the eddy current flaw detector is put into the installation cavity 2, the hand-held anti-slip rotating block 8 is used for rotating, the rotating shaft 7 can be driven to synchronously rotate, the rotating shaft 7 can drive the double-thread transmission rod 4 to rotate, the double-thread transmission rod 4 can drive the two L-shaped moving blocks 5 to synchronously rotate, under the limit guiding action of the chute 9, the rotation of the two L-shaped moving blocks 5 can be converted into opposite or opposite horizontal linear motion, thereby the arc-shaped rubber clamping blocks 6 can clamp and fix the probe of the eddy current flaw detector through the movement of the L-shaped moving blocks 5, the distance between the two arc-shaped rubber clamping blocks 6 can be changed through rotating the anti-slip rotating block 8 to adapt to the probe of the eddy current flaw detector with different widths, the application range is increased, the daily use is convenient, after the fixing of the probe of the eddy current flaw detector is finished, the rear end of the installation cavity 2 is sealed through the threaded sealing cover 20, other fingers except for the thumb are inserted into the finger fixing block 19, the contact between the protective shell 1 and the fingers can be increased, the stretching rod 17 can be driven to move upwards by pulling the lifting block 18, the sliding plate 15 slides on the sliding rod 13 due to the upward movement of the stretching rod 17, meanwhile, the spring 14 is stretched, the stretching rod 17 moves upwards and simultaneously the sponge block 16 moves upwards, at the moment, the thumb is inserted into the accommodating cavity 11, the lifting block 18 is slowly loosened, under the elastic recovery action of the spring 14, the sliding plate 15 drives the stretching rod 17 to move downwards, the sponge block 16 is driven to clamp and fix the thumb by the stretching rod 17, and the soft characteristic of the sponge block 16 can prevent the damage caused by the excessive extrusion of the stretching rod 17 to the thumb, therefore, the connection between the protective shell 1 and the palm is further improved through fixing the thumb, the protective shell 1 and the palm are firmly fixed, the falling of the eddy current flaw detector probe is further prevented from the root, the falling risk is reduced, when the eddy current flaw detector probe is used in a darker environment, the position of the eddy current flaw detector probe can be determined through fluorescence emitted by the fluorescent strip 21, the eddy current flaw detector probe can be aligned with an object to be measured, and accordingly the deviation of the measurement position is reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an eddy current inspection appearance probe is with protective housing, includes protective housing (1), installation cavity (2) have been seted up to the inside of protective housing (1), the rear end of protective housing (1) is provided with screw thread closing cap (20), and screw thread closing cap (20) and installation cavity (2) threaded connection, its characterized in that:

the novel anti-theft device comprises a mounting cavity (2), and is characterized by further comprising a clamping adjusting cavity (3), wherein the clamping adjusting cavity is arranged at the middle position above the mounting cavity (2), a double-thread transmission rod (4) is rotatably arranged in the clamping adjusting cavity (3), one end of the double-thread transmission rod (4) is welded with a rotating shaft (7), one end of the rotating shaft (7) penetrates through and extends to the outside of the protective shell (1), the rotating shaft (7) is rotatably connected with the protective shell (1), L-shaped moving blocks (5) are rotatably arranged on the outer walls of the two ends of the double-thread transmission rod (4), one end of each L-shaped moving block (5) penetrates through and extends to the inside of the mounting cavity (2), and each L-shaped moving block (5) is in sliding fit with the mounting cavity (2);

still including fixed box (10), it sets up the front side of protective housing (1) upper end, hold chamber (11) have been seted up to the inside of fixed box (10), hold the top of chamber (11) and seted up tensile chamber (12), tensile chamber (12) inside is provided with slide plate (15), hold the inside of chamber (11) and be provided with stretching rod (17), the one end of stretching rod (17) runs through slide plate (15) and extends to the outside of fixed box (10), and stretching rod (17) and slide plate (15) fixed connection, the inside both sides of tensile chamber (12) are all fixed and are provided with slide bar (13), slide bar (13) all run through the one end of slide plate (15), and slide bar (13) all slide plate (15) sliding fit, stretching rod (17) are located the outside one end welding of fixed box (10) and have lifting block (18).

2. The protective casing for an eddy current flaw detector probe according to claim 1, wherein: the outside of slide bar (13) all overlaps and is equipped with spring (14), and the one end of spring (14) all is connected with slide plate (15).

3. The protective casing for an eddy current flaw detector probe according to claim 1, wherein: a sliding groove (9) is formed in the upper portion inside the clamping adjusting cavity (3), and the sliding grooves (9) are in sliding fit with the L-shaped moving blocks (5).

4. The protective casing for an eddy current flaw detector probe according to claim 1, wherein: the one end that L shape movable block (5) is located installation cavity (2) inside all adheres to and is fixed with arc rubber grip block (6).

5. The protective casing for an eddy current flaw detector probe according to claim 1, wherein: one end of the rotating shaft (7) positioned outside the protective shell (1) is welded with an anti-slip rotating block (8).

6. The protective casing for an eddy current flaw detector probe according to claim 1, wherein: the two sides of the protective shell (1) are adhered and fixed with three fluorescent strips (21) which are distributed at equal intervals.

7. The protective casing for an eddy current flaw detector probe according to claim 1, wherein: the lower extreme adhesion of protective housing (1) is fixed with finger fixed block (19), the through-hole that is used for holding the finger is all seted up to the both sides of finger fixed block (19).

8. The protective casing for an eddy current flaw detector probe according to claim 1, wherein: one end of the stretching rod (17) positioned outside the accommodating cavity (11) is adhered and fixed with a sponge block (16).