Portable magnet crack detection device

Abstract

The portable magnet crack detection device comprises a cylinder and a detection tube, the detection tube is installed on the outer wall face of the cylinder, a rectangular opening is formed in the position, right opposite to the detection tube, of the outer wall face of the cylinder, a baffle for blocking the rectangular opening is arranged in the rectangular opening, and the end, away from the detection tube, of the cylinder is open and is in threaded connection with a cylinder cover. A metal plate is installed on the end face, away from the barrel cover, in the barrel, and a scraper is installed on the metal plate and is close to the baffle. The device is simple in structure, the to-be-detected magnet can be adsorbed on the metal plate, and the detection powder between the to-be-detected magnet and the metal plate can be pressed into the crack of the to-be-detected magnet, so that color difference can be formed between the crack and the to-be-detected magnet, detection is facilitated, the detection process is carried out in the cylinder body and the detection pipe, and the exposure probability is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnet detection technical field, concretely relates to a portable magnet crack detection device. BACKGROUND

[0002] Magnet cracks can have a negative impact on the magnetic properties of the magnet. The cracks can damage the magnetic domain structure inside the magnet, leading to a decrease in magnetic properties, such as a decrease in magnetic force and an increase in hysteresis loss. This can affect the performance of the magnet in specific applications, such as the performance of devices such as motors, speakers, and sensors.

[0003] Therefore, it is necessary to detect the cracks on the magnet. Current detection is generally done by the naked eye. However, since the color of the magnet and the color of the crack are the same, some small cracks cannot be seen or are difficult to see, which affects the accuracy and quality of the detection. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a portable magnet crack detection device that can detect powder that can be pressed into the cracks of the magnet, allowing the cracks to form a color difference with the magnet, making it easier to take out and view, to solve the problems raised in the background.

[0005] The utility model is implemented through the following technical solutions: a portable magnet crack detection device, including a cylinder and a detection tube, the detection tube is installed on the outer wall surface of the cylinder, a rectangular port is provided on the outer wall surface of the cylinder opposite to the detection tube, a baffle is provided in the rectangular port to block the rectangular port, the end of the cylinder away from the detection tube is open and is threadedly connected with a cylinder cover, a metal plate is installed on the end surface of the cylinder away from the cylinder cover, a scraper is installed on the metal plate, and the scraper is arranged close to the baffle.

[0006] As a preferred technical solution, an arc-shaped port is provided on the end of the cylinder away from the opening opposite to the baffle, one end of the baffle extends to the outside through the arc-shaped port and is bent to form a first limiting part, the inner side surface of the first limiting part is in contact with the end surface of the cylinder, and a handle is installed on the outer side surface of the first limiting part.

[0007] As a preferred technical solution, the other end of the baffle is bent to form a second limiting part, and multiple magnets are embeddedly installed on the side surface of the second limiting part facing the metal plate.

[0008] As a preferred technical solution, multiple bottom plates are installed on the end surface of the cylinder away from the baffle, and the bottom plates are all arranged in an arc-shaped structure.

[0009] As a preferred technical solution, the cross section of the baffle is arranged in an arc-shaped structure, and the inner side surface of the baffle is flush with the inner ring surface of the cylinder.

[0010] As a preferred technical scheme, the detection tube is provided with an opening away from one end of the detection tube, and the opening of the detection tube is inwardly bent to form a flange.

[0011] As a preferred technical scheme, the detection tube is made of tempered glass material.

[0012] As a preferred technical scheme, the inside of the barrel stores detection powder.

[0013] The utility model discloses the beneficial effect is: the utility model discloses simple structure, the magnet of detection can put into the inside of barrel, under the magnetic attraction of the magnet of detection, the magnet of detection can be adsorbed on the metal sheet, and the detection powder between the magnet of detection and the metal sheet can press into the crack of the magnet of detection, after inverting, the detection powder of extra can drop down, and after moving the magnet of detection and passing from the scraper, the detection powder of extra on the magnet of detection can remove, and the detection powder of the area of existing crack can remain, make the crack can form the color difference between the magnet of detection, have been convenient for detection, and the detection process is in the inside of barrel and detection tube, has reduced the probability of exposure. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure schematic diagram of the utility model after removing the barrel cover;

[0017] Figure 3 It is the side view of the utility model;

[0018] Figure 4 It is the structure schematic diagram of the baffle in the utility model.

[0019] Among them, 1, barrel;2, barrel cover;3, detection tube;4, bottom plate;5, metal sheet;6, scraper;7, baffle;8, second limiting portion;9, handle;10, first limiting portion;11, magnet. DETAILED DESCRIPTION

[0020] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are intended to explain the present application, and cannot be understood as limiting the present application.

[0021] All features disclosed in this specification, or all steps of any methods or processes disclosed, can be combined in any manner, except where features or steps are mutually exclusive.

[0022] Any feature disclosed in this specification, unless stated otherwise, can be replaced by alternative features or equivalents having the same or a similar effect. That is, unless stated otherwise, each feature is one example only of a number of equivalent or similar features.

[0023] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the portable magnet crack detection device of the present application comprises a cylinder body 1 and a detection tube 3, the detection tube 3 is installed on the outer wall surface of the cylinder body 1, a rectangular port is arranged on the outer wall surface of the cylinder body 1 opposite to the detection tube 3, a baffle 7 is arranged in the rectangular port to block the rectangular port, the end of the cylinder body 1 away from the detection tube 3 is provided with an opening, and a cylinder cover 2 is threadedly connected to the opening, a metal plate 5 is installed on the end surface of the cylinder body 1 away from the cylinder cover 2, a scraper 6 is installed on the metal plate 5, and the scraper 6 is arranged close to the baffle 7.

[0024] In this embodiment, an arc-shaped port is arranged on the end of the cylinder body 1 away from the opening and opposite to the baffle 7, one end of the baffle 7 extends to the outside through the arc-shaped port and is bent to form a first limiting portion 10, the inner side surface of the first limiting portion 10 is in contact with the end surface of the cylinder body 1, and a handle 9 is installed on the outer side surface of the first limiting portion 10.

[0025] In this embodiment, the other end of the baffle 7 is bent to form a second limiting portion 8, and a plurality of magnets 11 are embeddedly installed on the side surface of the second limiting portion 8 facing the metal plate 5.

[0026] In this embodiment, a plurality of bottom plates 4 are installed on the end surface of the cylinder body 1 away from the cover plate, and the bottom plates 4 are all arranged in an arc-shaped structure.

[0027] In this embodiment, the cross section of the baffle 7 is arranged in an arc-shaped structure, the inner side surface of the baffle 7 is flush with the inner ring surface of the cylinder body 1, and the baffle can block the detection powder to prevent the detection powder from leaking out of the rectangular port, wherein the baffle and the arc-shaped port are frictionally positioned, which increases the stability after insertion.

[0028] In the embodiment, the detection tube 3 is arranged away from the opening of one end of the detection tube 3, and the opening of the detection tube 3 is inwardly bent to form a flange, so that the opening of the detection tube is arranged in a reduced manner, thereby reducing the probability of leakage of the detection powder.

[0029] In the embodiment, the detection tube 3 is made of tempered glass material to ensure the transparent effect, and the removed magnet to be detected can be clearly seen through the detection tube.

[0030] In the embodiment, the inside of the barrel 1 stores the detection powder, which can be sodium bicarbonate, calcium carbonate or other colored powder, so as to be distinguished from the magnet.

[0031] During detection, the barrel cover is opened, and the magnet to be detected is placed into the inside of the barrel, and since the inside of the barrel is provided with the detection powder, the magnet to be detected can be adsorbed on the metal plate after being placed, and since the detection powder is arranged between the magnet to be detected and the metal plate, the detection powder can be pressed into the crack of the magnet to be detected through the adsorption force therebetween.

[0032] After the above is completed, the barrel cover is closed, and the barrel is turned over, so that the barrel cover of the barrel is arranged downward, at this time, the detection powder not contacting the magnet to be detected can fall downward, and the hand can pull the baffle upward through the grip, so that the baffle moves upward along the arc-shaped opening until the magnet on the second limiting portion is adsorbed on the metal plate, and the hand can extend into the inside of the barrel along the detection tube and the rectangular opening and hold the magnet to be detected, after the magnet to be detected is removed from the metal plate, the end surface of the magnet to be detected provided with the detection powder can pass through the scraper, the excess detection powder on the magnet to be detected can be scraped off, and the detection powder is left in the area with the crack, so that the crack can form a color difference with the magnet to be detected, and after the magnet to be detected moves into the detection tube, the situation on the magnet to be detected can be clearly seen through the detection tube, thereby facilitating the crack on the magnet to be detected to be clearly seen.

[0033] As known from the above, the detection process is located in the inside of the barrel and the detection tube, thereby greatly reducing the leakage of the detection powder.

[0034] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any change or replacement without creative labor should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be limited by the protection scope defined in the claims.

Claims

1. A portable magnetic crack detection device, characterized by: The utility model relates to a detection device for detecting powder, which comprises a cylinder (1) and a detection tube (3) installed on the outer wall surface of the cylinder (1), wherein a rectangular port is arranged on the outer wall surface of the cylinder (1) opposite to the detection tube (3), a baffle (7) is arranged in the rectangular port to block the rectangular port, the cylinder (1) is open at the end away from the detection tube (3) and is screw-connected with a cylinder cover (2), a metal plate (5) is installed on the end surface of the cylinder (1) away from the cylinder cover (2), a scraper (6) is installed on the metal plate (5), and the scraper (6) is arranged close to the baffle (7).

2. The portable magnetic crack detection apparatus of claim 1, wherein: An arc-shaped port is arranged on the end of the cylinder (1) away from the opening and opposite to the baffle (7), one end of the baffle (7) extends to the outside through the arc-shaped port and is bent to form a first limiting portion (10), the inner side surface of the first limiting portion (10) is in contact with the end surface of the cylinder (1), and a handle (9) is installed on the outer side surface of the first limiting portion (10).

3. The portable magnetic crack detection apparatus of claim 1, wherein: The other end of the baffle (7) is bent to form a second limiting portion (8), and a plurality of magnets (11) are embeddedly installed on the side surface of the second limiting portion (8) facing the metal plate (5).

4. The portable magnetic crack detection apparatus of claim 1, wherein: A plurality of bottom plates (4) are installed on the end surface of the cylinder (1) away from the cover plate, and the bottom plates (4) are all arranged in an arc-shaped structure.

5. The portable magnetic crack detection apparatus of claim 1, wherein: The cross section of the baffle (7) is arranged in an arc-shaped structure, and the inner side surface of the baffle (7) is flush with the inner ring surface of the cylinder (1).

6. The portable magnetic crack detection apparatus of claim 1, wherein: The detection tube (3) is open at the end away from the detection tube (3), and the opening of the detection tube (3) is bent inward to form a flange.

7. The portable magnetic crack detection apparatus of claim 1, wherein: The detection tube (3) is made of tempered glass material.

8. The portable magnetic crack detection apparatus of claim 1, wherein: The inside of the cylinder (1) stores detection powder.

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