CN214588285U

CN214588285U - Neodymium iron boron nested type magnet that stability is strong

Info

Publication number: CN214588285U
Application number: CN202120287285.7U
Authority: CN
Inventors: 王利
Original assignee: Tianjin Nibboh Magnets Co ltd
Current assignee: Tianjin Nibboh Magnets Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-02
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to a machinery accessories technical field especially relates to a nested type magnet of neodymium iron boron that stability is strong. The to-be-solved technical problem of the utility model is that the assembly of current device is not stable enough, the not convenient enough problem of assembly operation. In order to solve the technical problem, the utility model provides a nested type magnet of neodymium iron boron that stability is strong, including the annular magnetite, the internal surface fixed casing of annular magnetite has connect the screwed pipe. The device is through the setting of extrusion piece and wedge, utilize the indentation action of wedge to the extrusion piece, make the extrusion piece can produce to the middle part and receive the bundle action, the device of being convenient for wears the cover to link up on the iron core and the body of rod of various diameters, reduce the fit-up gap, realize stable assembly, through the rotatory action of end ear, directly realize the extrusion piece and receive the bundle assembly effect, it is more convenient effective to the assembly of annular magnetite, the use of external instrument has been reduced, the assembly operation is more swift, it is simpler to use.

Description

Neodymium iron boron nested type magnet that stability is strong

Technical Field

The utility model relates to a machinery accessories technical field specifically is a nested type magnet of neodymium iron boron that stability is strong.

Background

The neodymium-iron-boron magnetic material is an alloy of praseodymium-neodymium metal, ferroboron and the like. Also known as magnetic steel. The neodymium iron boron has extremely high magnetic energy and rectification power, and has the advantages of high energy density and the like.

The prior patent (publication number: CN205428616U) discloses an annular magnetic ring, wherein the four surfaces of the annular magnetic ring can be provided with grooves wholly or partially, the size of the groove is larger than the outer diameter of the magnetic ring, and the groove can be provided with a certain vertical angle. The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: 1. the existing device is difficult to adapt to rod bodies and iron cores with different diameters, a gap is easy to generate during assembly, and the stability is not enough after assembly; 2. the existing device needs to be assembled by means of an external tool, the assembly operation load is loaded, and the assembly operation is not fast, simple and convenient enough.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a nested type magnet of neodymium iron boron that stability is strong has solved the current device assembly and has been stable enough, the problem that the assembly operation is convenient enough.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a nested type magnet of neodymium iron boron that stability is strong, includes the annular magnetite, the fixed internal surface cover of annular magnetite has connect the screwed pipe, the fixed holding ring that has connect in middle part of screwed pipe, the slot has been seted up on the surface of holding ring, the extrusion piece has been cup jointed in the inboard activity of screwed pipe, the caulking groove has been seted up to the side surface of extrusion piece, the caulking groove is pegged graft with the slot activity.

The left side and the right side of the extrusion block are both inclined planes, and the inner side surface of the extrusion block is parallel to the axis of the threaded pipe.

The threaded pipe is characterized in that end pipes are connected to two ends of the threaded pipe in a threaded mode, wedge blocks are fixedly connected to the inner side surfaces of the inner ends of the end pipes, the side surfaces of the wedge blocks are inclined planes, and the side surfaces of the wedge blocks are connected with the side surfaces of the extrusion blocks in a sliding mode.

The end pipe outer end fixedly connected with end plate, the end plate is the loop configuration, the outside terminal surface fixedly connected with end ear of end plate.

Further preferably, the inner surface of the threaded pipe is provided with threads, the outer surface of the threaded pipe is fixedly provided with positioning ribs, rib grooves are formed in the inner side of the annular magnet, and the positioning ribs and the rib grooves are mutually embedded and sleeved to be connected.

Further preferably, the outer edge of the positioning ring is welded to the inner surface of the threaded pipe, and the positioning ring is concentric with the threaded pipe.

Further preferably, the outer port of the slot is in a bevel shape, and the inner width of the slot is consistent with the thickness of the extrusion block.

Further preferably, the inner side surfaces of the extrusion blocks are provided with anti-slip threads, the number of the extrusion blocks is four, and the four extrusion blocks are circumferentially arranged on the surface of the positioning ring.

Further preferably, the wedge-shaped block is of an annular structure and is welded with the inner wall of the end pipe.

(III) advantageous effects

The utility model provides a neodymium iron boron nests a set type magnet that stability is strong possesses following beneficial effect:

(1) the device utilizes the indentation action of wedge to the extrusion piece through the setting of extrusion piece and wedge for the extrusion piece can produce the action of binding to the middle part, and the device of being convenient for wears to overlap and links up on the iron core and the body of rod of various diameters, reduces the fit-up gap, realizes stable assembly.

(2) The device passes through the rotary motion of end ear, directly realizes that the extrusion piece assembles the effect of restrainting, and is more convenient effective to the assembly of annular magnetite, has reduced the use of external instrument, and the assembly operation is more swift, uses simplyr.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a side view of the positioning ring of the present invention;

fig. 3 is a front view of the extrusion block of the present invention.

In the figure: 1 annular magnet, 2 screwed pipes, 3 locating rings, 4 slots, 5 extrusion blocks, 6 caulking grooves, 7 end pipes, 8 wedge blocks, 9 end plates and 10 end lugs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a neodymium iron boron nested magnet with strong stability comprises an annular magnet 1, a threaded pipe 2 is fixedly sleeved on the inner surface of the annular magnet 1, threads are arranged on the inner surface of the threaded pipe 2, a positioning rib is fixedly arranged on the outer surface of the threaded pipe 2, a rib groove is formed in the inner side of the annular magnet 1, the positioning rib and the rib groove are mutually nested and connected, a positioning ring 3 is fixedly sleeved in the middle of the threaded pipe 2, the outer edge of the positioning ring 3 is welded with the inner surface of the threaded pipe 2, the positioning ring 3 is concentric with the threaded pipe 2, a slot 4 is formed in the surface of the positioning ring 3, the outer end opening of the slot 4 is in a bevel shape, the inner width of the slot 4 is consistent with the thickness of an extrusion block 5, an extrusion block 5 is movably sleeved on the inner side of the threaded pipe 2, anti-slip threads are arranged on the inner side surface of the extrusion block 5, the number of the extrusion blocks 5 is four, the four extrusion blocks 5 are circumferentially arranged on the surface of the positioning ring 3, the side surface of the extrusion block 5 is provided with an embedded groove 6, and the embedded groove 6 is movably inserted into the slot 4.

The left and right sides of extrusion piece 5 is the inclined plane, and the inboard surface of extrusion piece 5 is parallel with the axis of screwed pipe 2, through the setting of extrusion piece 5 and wedge 8, utilizes the indentation action of wedge 8 to extrusion piece 5 for extrusion piece 5 can produce to the middle part and receive the bundle action, and the device of being convenient for wears the cover and links up on the iron core and the body of rod of various diameters, reduces the fit-up gap, realizes stable assembly.

Threaded connection has end pipe 7 at the both ends of screwed pipe 2, and the inboard fixed surface of end pipe 7 the inner is connected with wedge 8, and the side surface of wedge 8 is the inclined plane, and the side surface of wedge 8 and the side table sliding connection of extrusion piece 5, wedge 8 is the annular structure, wedge 8 and the inner wall welding of end pipe 7.

7 outer ends fixedly connected with end plates 9 of end pipe, end plate 9 are the loop configuration, and the outside terminal surface fixedly connected with end ear 10 of end plate 9 directly realizes 5 receipts bundle assembly effects of extrusion piece through the rotation action of end ear 10, and is more convenient effective to the assembly of annular magnetite 1, has reduced the use of external instrument, and the assembly operation is more swift, uses simplyr.

The working principle is as follows: at first keep annular magnetite 1 position, rotatory end ear 10, end ear 10 drives end pipe 7 rotatory, influenced by the screw thread effect, end pipe 7's rotation action makes end pipe 7 to the middle part indentation of screwed pipe 2, make wedge 8 inwards contradict extrusion piece 5, make extrusion piece 5 along slot 4 to tighten up to the axis position of screwed pipe 2, make the surface butt locking each other of iron core or bar-shaped structure and the stripper plate of wearing to overlap at annular magnetite 1 inboard, realize the stable assembly effect of magnetite.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.

Claims

1. The utility model provides a nested type magnet of neodymium iron boron that stability is strong, includes annular magnetite (1), its characterized in that: a threaded pipe (2) is fixedly sleeved on the inner surface of the annular magnet (1), a positioning ring (3) is fixedly sleeved in the middle of the threaded pipe (2), a slot (4) is formed in the surface of the positioning ring (3), an extrusion block (5) is movably sleeved on the inner side of the threaded pipe (2), an embedded groove (6) is formed in the side surface of the extrusion block (5), and the embedded groove (6) is movably inserted into the slot (4);

the left side and the right side of the extrusion block (5) are both inclined planes, and the inner side surface of the extrusion block (5) is parallel to the axis of the threaded pipe (2);

end pipes (7) are connected to two ends of the threaded pipe (2) in a threaded mode, wedge blocks (8) are fixedly connected to the inner side surfaces of the inner ends of the end pipes (7), the side surfaces of the wedge blocks (8) are inclined planes, and the side surfaces of the wedge blocks (8) are in sliding connection with the side surfaces of the extrusion blocks (5);

the end pipe (7) outer end fixedly connected with end plate (9), end plate (9) are the loop configuration, the outside terminal surface fixedly connected with end ear (10) of end plate (9).

2. A robust ndfeb nested magnet as in claim 1, wherein: the internal surface of screwed pipe (2) is provided with the screw thread, the fixed surface of screwed pipe (2) is provided with the location rib, the rib groove has been seted up to the inboard of annular magnetite (1), the location rib links up with the mutual cover of rib groove.

3. A robust ndfeb nested magnet as in claim 1, wherein: the outer edge of the positioning ring (3) is welded with the inner surface of the threaded pipe (2), and the positioning ring (3) is concentric with the threaded pipe (2).

4. A robust ndfeb nested magnet as in claim 1, wherein: the outer side port of the slot (4) is in an inclined port shape, and the inner side width of the slot (4) is consistent with the thickness of the extrusion block (5).

5. A robust ndfeb nested magnet as in claim 1, wherein: the anti-skidding thread is arranged on the inner side surface of each extrusion block (5), the number of the extrusion blocks (5) is four, and the four extrusion blocks (5) are circumferentially arranged on the surface of the positioning ring (3).

6. A robust ndfeb nested magnet as in claim 1, wherein: the wedge block (8) is of an annular structure, and the wedge block (8) is welded with the inner wall of the end pipe (7).