Semi-annular neodymium iron boron magnet

Abstract

The utility model relates to the technical field of neodymium-iron-boron magnets, and discloses a semi-annular neodymium-iron-boron magnet which comprises a main body mechanism, a mounting mechanism and an adjusting mechanism, the mounting mechanism is located at the top end of the main body mechanism, and the adjusting mechanism is located at the top end of the mounting mechanism; the main body mechanism comprises a semicircular fixing plate, a sliding groove is formed in the top of the semicircular fixing plate, a guide rod is fixedly connected to the inner wall of the sliding groove, and a sliding plate is slidably connected to the surface of the guide rod. By arranging the fastening bolt, the magnet assembly is installed on the lower installation plate through the arc-shaped insertion plate, when the distance of the magnet assembly needs to be adjusted, the fastening bolt is rotated so that the fastening bolt can move upwards in the threaded groove, and after the fastening bolt is separated from the sliding groove, the sliding plate is moved so that the sliding plate can move on the surface of the guide rod. Meanwhile, the mounting plate and the magnet assembly move in the guide groove through the sliding block, the fastening bolt is reversely rotated after the distance is appropriate, the bottom end of the fastening bolt is attached to the sliding groove, and therefore distance adjustment is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of NdFeB magnets, in particular to a semi-annular NdFeB magnet. Background Art

[0002] Neodymium magnets, also known as NdFeB magnets, are tetragonal crystals formed by neodymium, iron, and boron. NdFeB magnets are permanent magnets with magnetic properties second only to absolute zero holmium magnets, and are also the most commonly used rare earth magnets. NdFeB magnets are widely used in electronic products such as hard drives, mobile phones, headphones, and battery-powered tools.

[0003] According to publication number CN213150493U, a semi-annular NdFeB magnet comprises a semi-circular fixing plate, a slide groove is provided on the semi-circular fixing plate, a threaded rod is fixedly connected in the slide groove, a plate to be fixed is provided in the semi-circular fixing plate, a slider is fixedly connected to the plate to be fixed, a through hole is provided on the slider, the slider is sleeved on the outer side of the threaded rod through the through hole, and the slider is movably connected to the slide groove, nuts are spirally connected to the outer sides of the threaded rods on the left and right sides of the slider, and five drops of glue are dripped into the inner cavity of the plate to be fixed through the arrangement of the threaded rod, the nut, the slider and the plate to be fixed, and then the semi-annular NdFeB magnet is placed in the plate to be fixed, the semi-annular NdFeB magnet is fixed, and then the nut is screwed according to the magnetic field strength so that the distance between two adjacent semi-annular NdFeB magnets can be adjusted, thereby further reducing the error of installing the semi-annular NdFeB magnet.

[0004] The distance between two adjacent semi-annular NdFeB magnets can be adjusted by the cooperation of the nut and the threaded rod, but the nut and the threaded rod are installed in a semi-circular fixing plate, which is inconvenient to adjust the distance using the nut, and the nut easily forms an obstruction when the two semi-annular NdFeB magnets need to be connected, making the connection inconvenient. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a semi-annular NdFeB magnet.

[0006] The utility model is implemented by the following technical scheme: a semi-annular NdFeB magnet, comprising a main body mechanism, a mounting mechanism and an adjusting mechanism, wherein the mounting mechanism is located at the top of the main body mechanism, and the adjusting mechanism is located at the top of the mounting mechanism;

[0007] The main body mechanism includes a semicircular fixing plate, a sliding groove is provided on the top of the semicircular fixing plate, a guide rod is fixedly connected to the inner wall of the sliding groove, a sliding plate is slidably connected to the surface of the guide rod, a threaded groove is provided in the middle of the sliding plate, and a fastening bolt is threadedly connected to the middle of the threaded groove.

[0008] Through the above technical solution, when the distance of the magnet assembly needs to be adjusted, the fastening bolt is rotated to move it upward in the threaded groove. After the fastening bolt is separated from the slide groove, the slide plate is moved to move it on the surface of the guide rod. After the distance is appropriate, the fastening bolt is reversed so that its bottom end fits into the slide groove, thereby completing the distance adjustment.

[0009] As a further improvement of the above solution, a mounting cavity is provided in the middle of the semicircular fixing plate, a through hole is opened in the middle of the sliding plate, and the guide rod is located in the middle of the through hole.

[0010] As a further improvement of the above scheme, the mounting mechanism includes a guide groove, which is opened on the inner wall of the semicircular fixed plate, a slider is slidably connected to the middle of the guide groove, the top of the slider is fixedly connected to the lower mounting plate, a lower limit groove is opened on the top of the lower mounting plate, a magnet assembly is arranged in the middle of the lower limit groove, and a scale is fixedly connected to the top of the semicircular fixed plate.

[0011] As a further improvement of the above solution, the bottom end of the lower mounting plate contacts the inner wall of the semicircular fixing plate, the magnet assembly consists of an arc-shaped insert plate and a magnet body, and the scale contacts the slide plate.

[0012] As a further improvement of the above solution, the adjustment mechanism includes a spring rod, which is fixedly connected to the top of the lower mounting plate, the top of the spring rod is fixedly connected to the upper mounting plate, and the bottom end of the upper mounting plate is provided with an upper limit groove.

[0013] Through the above technical solution, when the two magnet assemblies need to be combined, they are installed in the upper mounting plate and the lower mounting plate respectively, and the upper mounting plate and the lower mounting plate are fitted together under the action of the elastic force of the spring rod, thereby completing the combination of the two magnet assemblies.

[0014] As a further improvement of the above solution, the upper mounting plate and the lower mounting plate have the same shape and size.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model arranges a slide groove and a fastening bolt, and installs the magnet assembly in the lower limiting groove of the lower mounting plate through an arc-shaped plug plate. By arranging the limiting groove and the arc-shaped plug plate into an arc-shaped structure, the magnet assembly is not easy to be separated during use. When it is necessary to adjust the distance of the magnet assembly, the fastening bolt is rotated to make it move upward in the threaded groove. After the fastening bolt is separated from the slide groove, the slide plate is moved to make it move on the surface of the guide rod. At the same time, the mounting plate and the magnet assembly move in the guide groove through the slider. After the distance is appropriate, the fastening bolt is reversed to make its bottom end fit with the slide groove, thereby completing the distance adjustment.

[0017] The utility model provides a spring rod, which is respectively installed in the upper mounting plate and the lower mounting plate when two magnet assemblies need to be combined. The upper mounting plate and the lower mounting plate are fitted together under the elastic force of the spring rod, thereby completing the combination of the two magnet assemblies. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the right side structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure in the middle.

[0022] Description of main symbols:

[0023] 1. Main body; 101. Semicircular fixing plate; 102. Slide groove; 103. Guide rod; 104. Slide plate; 105. Threaded groove; 106. Fastening bolt; 2. Mounting mechanism; 201. Guide groove; 202. Slide block; 203. Lower mounting plate; 204. Lower limit groove; 205. Magnet assembly; 206. Scale; 3. Adjustment mechanism; 301. Spring rod; 302. Upper mounting plate; 303. Upper limit groove. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0025] Example:

[0026] Please combine Figure 1-4 A semi-annular NdFeB magnet of this embodiment includes a main body mechanism 1, a mounting mechanism 2 and an adjusting mechanism 3, wherein the mounting mechanism 2 is located at the top of the main body mechanism 1, and the adjusting mechanism 3 is located at the top of the mounting mechanism 2;

[0027] The main body mechanism 1 includes a semicircular fixed plate 101, a slide groove 102 is provided on the top of the semicircular fixed plate 101, a guide rod 103 is fixedly connected to the inner wall of the slide groove 102, a slide plate 104 is slidably connected to the surface of the guide rod 103, a threaded groove 105 is provided in the middle of the slide plate 104, and a fastening bolt 106 is threadedly connected to the middle of the threaded groove 105.

[0028] A mounting cavity is provided in the middle of the semicircular fixing plate 101 , a through hole is provided in the middle of the sliding plate 104 , and the guide rod 103 is located in the middle of the through hole.

[0029] The mounting mechanism 2 includes a guide groove 201, which is provided on the inner wall of the semicircular fixed plate 101. A slider 202 is slidably connected to the middle of the guide groove 201, and a lower mounting plate 203 is fixedly connected to the top of the slider 202. A lower limit groove 204 is provided on the top of the lower mounting plate 203, and a magnet assembly 205 is provided in the middle of the lower limit groove 204. A scale 206 is fixedly connected to the top of the semicircular fixed plate 101.

[0030] The bottom end of the lower mounting plate 203 contacts the inner wall of the semicircular fixing plate 101 , the magnet assembly 205 is composed of an arc-shaped insert plate and a magnet body, and the scale 206 contacts the slide plate 104 .

[0031] The adjustment mechanism 3 includes a spring rod 301 , which is fixedly connected to the top of the lower mounting plate 203 , and the top of the spring rod 301 is fixedly connected to the upper mounting plate 302 , and the bottom of the upper mounting plate 302 is provided with an upper limit slot 303 .

[0032] The upper mounting plate 302 and the lower mounting plate 203 have the same shape and size.

[0033] The implementation principle of a semi-annular NdFeB magnet in the embodiment of the present application is:

[0034] The magnet assembly 205 is installed in the lower limit groove 204 of the lower mounting plate 203 through the arc plug plate. By setting the limit groove and the arc plug plate into an arc structure, the magnet assembly 205 is not easy to disengage during use. When the distance of the magnet assembly 205 needs to be adjusted, the fastening bolt 106 is rotated to make it move upward in the threaded groove 105. After the fastening bolt 106 is separated from the slide groove 102, the slide plate 104 is moved to make it move on the surface of the guide rod 103. At the same time, the mounting plate and the magnet assembly 205 move in the guide groove 201 through the slider 202. After the distance is appropriate, the fastening bolt 106 is reversed to make its bottom end fit with the slide groove 102, thereby completing the distance adjustment. When the two magnet assemblies 205 need to be combined, they are respectively installed in the upper mounting plate 302 and the lower mounting plate 203. Under the action of the elastic force of the spring rod 301, the upper mounting plate 302 and the lower mounting plate 203 are fit, thereby completing the combination of the two magnet assemblies 205.

[0035] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A semi-annular NdFeB magnet, characterized in that: It comprises a main body mechanism (1), a mounting mechanism (2) and an adjusting mechanism (3), wherein the mounting mechanism (2) is located at the top of the main body mechanism (1), and the adjusting mechanism (3) is located at the top of the mounting mechanism (2); The main body mechanism (1) comprises a semicircular fixing plate (101), a sliding groove (102) is provided on the top of the semicircular fixing plate (101), a guide rod (103) is fixedly connected to the inner wall of the sliding groove (102), a sliding plate (104) is slidably connected to the surface of the guide rod (103), a threaded groove (105) is provided in the middle of the sliding plate (104), and a fastening bolt (106) is threadedly connected to the middle of the threaded groove (105).

2. A semi-annular NdFeB magnet as claimed in claim 1, characterized in that: The middle of the semicircular fixing plate (101) is provided with a mounting cavity, the middle of the sliding plate (104) is provided with a through hole, and the guide rod (103) is located in the middle of the through hole.

3. A semi-annular NdFeB magnet as claimed in claim 1, characterized in that: The mounting mechanism (2) comprises a guide groove (201), the guide groove (201) being provided on the inner wall of a semicircular fixed plate (101), a slider (202) being slidably connected to the middle of the guide groove (201), a lower mounting plate (203) being fixedly connected to the top of the slider (202), a lower limit groove (204) being provided on the top of the lower mounting plate (203), a magnet assembly (205) being provided in the middle of the lower limit groove (204), and a scale (206) being fixedly connected to the top of the semicircular fixed plate (101).

4. A semi-annular NdFeB magnet as claimed in claim 3, characterized in that: The bottom end of the lower mounting plate (203) contacts the inner wall of the semicircular fixing plate (101), the magnet assembly (205) consists of an arc-shaped insert plate and a magnet body, and the scale (206) contacts the slide plate (104).

5. A semi-annular NdFeB magnet as claimed in claim 1, characterized in that: The adjustment mechanism (3) comprises a spring rod (301), wherein the spring rod (301) is fixedly connected to the top end of the lower mounting plate (203), the top end of the spring rod (301) is fixedly connected to the upper mounting plate (302), and the bottom end of the upper mounting plate (302) is provided with an upper limit slot (303).

6. A semi-annular NdFeB magnet as claimed in claim 5, characterized in that: The upper mounting plate (302) and the lower mounting plate (203) have the same shape and size.

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