Fixing frame neodymium iron boron magnet

Abstract

The utility model relates to the technical field of magnets, and discloses a fixing frame neodymium-iron-boron magnet which comprises a fixing sleeve, a plurality of evenly-distributed magnet blocks are fixedly connected in the fixing sleeve, a sliding rod is slidably connected to the top of the fixing sleeve, a chuck is fixedly connected to the bottom of the sliding rod, and the chuck is fixedly connected to the top of the fixing sleeve. A pressure spring is fixedly connected to the side, close to the sliding rod, of the chuck, the end, away from the chuck, of the pressure spring is fixedly connected to the inner top of the fixing sleeve, a first rotating shaft is fixedly connected to the end, away from the chuck, of the sliding rod, and a first pull rod is rotationally connected to the periphery of the first rotating shaft; and the bottom of the fixed sleeve is slidably connected with a connecting sleeve. According to the utility model, through the mutual cooperation of the fixed sleeve, the sliding rod, the chuck, the pressure spring, the pull rod I and the rotating shaft I, the pull rod I is pulled, the sliding rod drives the pull disc to extrude the pressure spring, then the magnet block is placed in the fixed sleeve, and the pull rod I is loosened, and the pressure spring resets to push the chuck to be in contact with the magnet block.

Description

Technical Field

[0001] The utility model relates to the technical field of magnets, in particular to a fixed frame neodymium iron boron magnet. Background Art

[0002] Outer rotor brushless motors have been widely used in specific industries because of their high power density. The magnets used in outer rotor brushless motors are mostly ferrite, bonded NdFeB or sintered NdFeB. Ferrite has the lowest price, but its magnetic properties are the weakest. Therefore, sintered NdFeB is usually used in applications that require high power density. The magnets are mostly tile-shaped and are fixed to the outer casing with glue. In some applications with high speed, large vibration or frequent motor starting, there is a risk of the magnet falling off, and the glue bonding method is not conducive to the replacement and maintenance of the magnet. Therefore, a fixed frame NdFeB magnet is proposed to solve the above problems. Utility Model Content

[0003] In order to make up for the above shortcomings, the utility model provides a fixed frame NdFeB magnet, aiming to improve the problem in the prior art that the magnet is easy to fall off and is inconvenient to disassemble and replace.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fixed frame neodymium iron boron magnet, comprising a fixed sleeve, a plurality of evenly distributed magnet blocks are fixedly connected inside the fixed sleeve, the top of the fixed sleeve is slidably connected to a slide rod, the bottom of the slide rod is fixedly connected to a chuck, the side of the chuck close to the slide rod is fixedly connected to a compression spring, the end of the compression spring away from the chuck is fixedly connected to the inner top of the fixed sleeve, the end of the slide rod away from the chuck is fixedly connected to a rotating shaft one, the outer periphery of the rotating shaft one is rotatably connected to a pull rod one, the bottom of the fixed sleeve is slidably connected to a connecting sleeve, and a connecting assembly is provided inside the connecting sleeve.

[0005] Furthermore, the connecting assembly includes a spring, which is fixedly connected to the inside of the connecting sleeve, one end of the spring is fixedly connected to a limiting plate, a side of the limiting plate away from the spring is fixedly connected to a blocking block, and an end of the limiting plate close to the limiting plate is fixedly connected to a fixing rod.

[0006] Furthermore, a plurality of grooves are provided inside the fixing sleeve, and the plurality of magnet blocks are fixedly connected in the plurality of grooves respectively.

[0007] Furthermore, a slide groove 1 is provided inside the fixed sleeve, and the chuck is specifically slidably connected inside the slide groove 1.

[0008] Furthermore, a second slide groove is provided inside the connecting sleeve, and the limiting plate is slidably connected inside the second slide groove.

[0009] Furthermore, a clamping groove is provided inside the front side of the fixing sleeve, and the clamping block is embedded in the clamping groove.

[0010] Furthermore, one end of the fixing rod away from the limiting plate is fixedly connected to a second rotating shaft, and the outer periphery of the second rotating shaft is rotatably connected to a second pulling rod.

[0011] Furthermore, the chuck is made of rubber.

[0012] The utility model has the following beneficial effects:

[0013] 1. In the utility model, through the mutual cooperation among the fixed sleeve, the sliding rod, the chuck, the compression spring, the pull rod 1 and the rotating shaft 1, the pull rod 1 is pulled, the sliding rod drives the pull plate to squeeze the compression spring, and then the magnet block is placed in the fixed sleeve, the pull rod 1 is loosened, the compression spring is reset and pushes the chuck to contact the magnet block. The chuck is made of rubber material, which effectively protects the magnet block while keeping the magnet block fixed.

[0014] 2. In the utility model, through the mutual cooperation between the connecting components such as the second pull rod, the second rotating shaft, the fixed rod, and the limit plate, the second pull rod is pulled to drive the limit plate pressure spring through the fixed rod, and the card block enters the second slide groove, and then the connecting sleeve cooperates with the fixed sleeve, the second pull rod is released, the spring is reset, and the card block is embedded in the card groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional schematic diagram of a fixed frame neodymium iron boron magnet proposed by the utility model;

[0016] Figure 2 This is a structural schematic diagram of a chuck for fixing a neodymium iron boron magnet proposed by the utility model;

[0017] Figure 3 The utility model is a schematic structural diagram of a limit plate of a fixed frame neodymium iron boron magnet.

[0018] Legend:

[0019] 1. Connecting sleeve; 2. Fixed sleeve; 3. Magnet block; 4. Chuck; 5. Slide rod; 6. Rotating shaft 1; 7. Pull rod 1; 8. Slide slot 1; 9. Compression spring; 10. Pull rod 2; 11. Rotating shaft 2; 12. Spring; 13. Slide slot 2; 14. Limit plate; 15. Block; 16. Slot; 17. Fixed rod. DETAILED DESCRIPTION

[0020] 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.

[0021] Reference Figure 1-2 The utility model provides an embodiment: a fixed frame NdFeB magnet, comprising a fixed sleeve 2, a plurality of uniformly distributed magnet blocks 3 are fixedly connected inside the fixed sleeve 2, a slide rod 5 is slidably connected to the top of the fixed sleeve 2, a chuck 4 is fixedly connected to the bottom of the slide rod 5, a compression spring 9 is fixedly connected to the side of the chuck 4 close to the slide rod 5, an end of the compression spring 9 away from the chuck 4 is fixedly connected to the inner top of the fixed sleeve 2, an end of the slide rod 5 away from the chuck 4 is fixedly connected to a rotating shaft 6, a pull rod 7 is rotatably connected to the outer periphery of the rotating shaft 6, a connecting sleeve 1 is slidably connected to the bottom of the fixed sleeve 2, a plurality of grooves are provided inside the fixed sleeve 2, a plurality of magnet blocks 3 are respectively fixedly connected in the plurality of grooves, a slide groove 8 is provided inside the fixed sleeve 2, the chuck 4 is specifically slidably connected to the inside of the slide groove 8, and the chuck 4 is made of rubber.

[0022] Specifically, the connecting sleeve 1 is used to connect with the fixed sleeve 2, the fixed sleeve 2 is used to fix or support other components to ensure the structural stability of the device, the magnet block 3 is used to provide a magnetic function, the chuck 4 is used to fix the magnet block 3, the slide rod 5 provides the function of supporting and fixing other components, and usually has a smooth surface to support sliding movements, the rotating shaft 6 is used as a fulcrum for rotation between components to transmit specific movements to other components, the pull rod 7 is used to provide pulling force, connect or adjust the position of other components, and the slide groove 8 provides a sliding surface. The component can perform translational movement in a specific direction. The compression spring 9 provides elastic support or buffering function to absorb vibration or impact. When in use, first rotate the pull rod 7 around the rotating shaft 6, and then pull the pull rod 7. The sliding rod 5 drives the chuck 4 to slide inside the sliding groove 8 and squeeze the compression spring 9, and then put the magnet block 3 into the groove in the fixed sleeve 2. When the magnet block 3 is placed in, release the pull rod 7, and the compression spring 9 resets and pushes the chuck 4. The outer periphery of the chuck 4 contacts the magnet block 3 to fix the magnet block 3, and the chuck 4 is made of rubber to protect the magnet block 3.

[0023] Reference Figure 1 and Figure 3A connecting assembly is provided inside the connecting sleeve 1, and the connecting assembly includes a spring 12, which is fixedly connected to the inside of the connecting sleeve 1, one end of the spring 12 is fixedly connected to a limiting plate 14, a side of the limiting plate 14 away from the spring 12 is fixedly connected to a clamping block 15, and an end of the limiting plate 14 close to the limiting plate 14 is fixedly connected to a fixing rod 17, a sliding groove 2 13 is provided inside the connecting sleeve 1, the limiting plate 14 is slidably connected inside the sliding groove 2 13, a clamping groove 16 is provided inside the front side of the fixed sleeve 2, the clamping block 15 is embedded in the inside of the clamping groove 16, and one end of the fixing rod 17 away from the limiting plate 14 is fixedly connected to a rotating shaft 2 11, and the outer periphery of the rotating shaft 2 11 is rotatably connected to a pull rod 2 10.

[0024] Specifically, the pull rod 10 is similar to the pull rod 1 7, and is used to provide pulling force, connect or adjust the position of other parts. The rotating shaft 11 is used as a fulcrum for rotation between parts, and is used to transmit motion or connect other parts. The spring 12 provides elastic force, which can be used to restore or keep the parts in a specific position. The slide groove 13 provides a sliding surface so that the parts can move in a specific direction. The limit plate 14 is used to limit the range of motion of other parts and ensure that the spring 12 runs at a specific position. The block 15 may be used to fix or adjust the position of other parts and provide additional support. The card slot 16 provides a slot to allow other parts to slide or insert. They are connected together, and the fixing rod 17 is used to fix and stabilize other components to ensure the structural stability of the equipment. When the fixed sleeve 2 needs to be connected to the connecting sleeve 1, the pull rod 10 is rotated around the rotating shaft 11, and then the pull rod 10 is pulled. The fixing rod 17 drives the limit plate 14 to squeeze the spring 12, and the block 15 enters the slide groove 13, and then the connecting sleeve 1 cooperates with the fixed sleeve 2. When the inside of the connecting sleeve 1 fits the outer surface of the fixed sleeve 2, and the slot 16 ensures that the block 15 can be plugged in and matched, the pull rod 10 is released, the spring 12 resets and pushes the limit plate 14, and the block 15 is embedded in the slot 16, and the fixed sleeve 2 and the connecting sleeve 1 can be connected.

[0025] Working principle: When in use, first put the magnet block 3 into the fixed sleeve 2, first rotate the pull rod 7 around the rotating shaft 6, then pull the pull rod 7, the slide rod 5 drives the chuck 4 to slide inside the slide groove 8 and squeeze the compression spring 9, and then put the magnet block 3 into the groove in the fixed sleeve 2. When the magnet block 3 is put in, release the pull rod 7, the compression spring 9 resets and pushes the chuck 4, and the outer periphery of the chuck 4 contacts with the magnet block 3 to fix the magnet block 3.

[0026] Then connect the fixed sleeve 2 and the connecting sleeve 1, rotate the pull rod 10 around the rotating shaft 11, and then pull the pull rod 10, the fixed rod 17 drives the limit plate 14 to squeeze the spring 12, and the block 15 enters the slide groove 13, and then ensure that the slot 16 and the block 15 can be plugged in and matched, then release the pull rod 10, the spring 12 resets and pushes the limit plate 14, and the block 15 is embedded in the slot 16, and the fixed sleeve 2 and the connecting sleeve 1 can be connected.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixed frame NdFeB magnet, comprising a fixed sleeve (2), characterized in that: The interior of the fixed sleeve (2) is fixedly connected with a plurality of uniformly distributed magnet blocks (3); the top of the fixed sleeve (2) is slidably connected with a slide rod (5); the bottom of the slide rod (5) is fixedly connected with a chuck (4); the side of the chuck (4) close to the slide rod (5) is fixedly connected with a compression spring (9); the end of the compression spring (9) away from the chuck (4) is fixedly connected to the inner top of the fixed sleeve (2); the end of the slide rod (5) away from the chuck (4) is fixedly connected with a rotating shaft (6); the outer periphery of the rotating shaft (6) is rotatably connected with a pull rod (7); the bottom of the fixed sleeve (2) is slidably connected with a connecting sleeve (1); a connecting assembly is provided inside the connecting sleeve (1).

2. A fixed frame NdFeB magnet according to claim 1, characterized in that: The connecting assembly comprises a spring (12), wherein the spring (12) is fixedly connected inside the connecting sleeve (1), one end of the spring (12) is fixedly connected to a limiting plate (14), a side of the limiting plate (14) away from the spring (12) is fixedly connected to a clamping block (15), and an end of the limiting plate (14) close to the limiting plate (14) is fixedly connected to a fixing rod (17).

3. A fixed frame NdFeB magnet according to claim 1, characterized in that: A plurality of grooves are provided inside the fixing sleeve (2), and a plurality of magnet blocks (3) are respectively fixedly connected in the plurality of grooves.

4. A fixing frame NdFeB magnet according to claim 1, characterized in that: A slide groove (8) is provided inside the fixed sleeve (2), and the chuck (4) is specifically slidably connected inside the slide groove (8).

5. A fixed frame NdFeB magnet according to claim 2, characterized in that: A second slide groove (13) is provided inside the connecting sleeve (1), and the limiting plate (14) is slidably connected inside the second slide groove (13).

6. A fixing frame NdFeB magnet according to claim 2, characterized in that: A clamping groove (16) is provided inside the front side of the fixing sleeve (2), and the clamping block (15) is embedded inside the clamping groove (16).

7. A fixing frame NdFeB magnet according to claim 2, characterized in that: One end of the fixing rod (17) away from the limiting plate (14) is fixedly connected to the second rotating shaft (11), and the outer periphery of the second rotating shaft (11) is rotatably connected to the second pulling rod (10).

8. The fixed frame NdFeB magnet according to claim 1, characterized in that: The chuck (4) is made of rubber.

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