CN217008830U

CN217008830U - Electromagnet convenient to overhaul

Info

Publication number: CN217008830U
Application number: CN202123237696.4U
Authority: CN
Inventors: 刘洪文
Original assignee: Shenzhen Boya Electromagnetic Technology Co ltd
Current assignee: Shenzhen Boya Electromagnetic Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-19
Anticipated expiration: 2031-12-21

Abstract

The utility model provides an electromagnet convenient to overhaul, which comprises a bottom plate, a shell, a rear cover, a connecting mechanism and an installation mechanism, wherein arc-shaped grooves are formed in four corners of the top of the bottom plate, fixing rods are symmetrically connected to two sides of the top of the bottom plate, the shell is arranged at the bottom of the bottom plate, the rear cover is arranged at one end, perpendicular to the bottom plate, of the shell, and the connecting mechanism is installed on one side of the rear cover. The electromagnet convenient to maintain can be disassembled by rotating the rotating plate through the connecting mechanism, so that internal components can be maintained and replaced in time when the electromagnet breaks down, the connection between the rear cover and the shell is facilitated, the electromagnet is convenient to install through the installing mechanism, the positioning rod can be separated from the positioning groove in the electromagnet by pushing the push rod, the electromagnet is taken down from the bottom plate, and the electromagnet is convenient to disassemble.

Description

Electromagnet convenient to overhaul

Technical Field

The utility model relates to the field of electromagnets, in particular to an electromagnet convenient to overhaul.

Background

An electromagnet is a device that is energized to produce an electromagnet. The core is wound with an electrically conductive winding adapted to its power, and the coil, which is energized with electric current, is magnetic like a magnet, which is also called an electromagnet. It is usually made in the shape of a bar or a shoe to make the core easier to magnetize. In addition, in order to enable the electromagnet to be demagnetized immediately after power failure, soft iron or silicon steel materials which are demagnetized quickly are often adopted for manufacturing. When the electromagnet is electrified, the electromagnet has magnetism, and the magnetism disappears along with the electrification after the electromagnet is powered off. The electromagnet has extremely wide application in daily life, and the power of the generator is greatly improved due to the electromagnet; the electromagnet is a device which can generate magnetic force by electrifying current, belongs to a non-permanent magnet, and can be easily started or eliminated.

The electromagnet is easy to be electrified and not sucked when an attempt piece is used, a coil is overheated or burnt out, the electromagnet is not released or slowly released after power failure, and the like, so that the electromagnet needs to be overhauled and maintained, the shell of the common electromagnet is integrated or fixed by screws, and inconvenience is brought when the electromagnet is detached and maintained, therefore, a new electromagnet convenient to overhaul is needed to be provided to solve the technical problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides the electromagnet which is convenient to install, disassemble and maintain.

The utility model provides an electromagnet convenient to overhaul, which comprises a bottom plate, a shell, a rear cover, a connecting mechanism and an installation mechanism, wherein the shell is arranged at the top of the bottom plate, one end of the shell is provided with an opening, the shell is used for placing an electromagnet body, the rear cover is arranged at one end of the shell, which is vertical to the bottom plate, the rear cover is used for sealing the shell, the connecting mechanism is arranged at one end of the rear cover, the connecting mechanism is detachably connected with the shell, the installation mechanism is arranged at the top of the bottom plate, and the installation mechanism is movably connected with two sides of the shell;

wherein, the side wall of one end of the shell close to the rear cover is provided with clamping grooves with equal intervals and equal angles, the connecting mechanism comprises a rotating rod, a connecting sheet, a clamping rod and a rotating plate,

the inside bull stick that is connected with through the bearing rotation of back lid, the one end that the bull stick is close to the shell is connected with the connection piece, the bull stick other end is connected with the commentaries on classics board, connection piece outside equidistance is connected with the kelly by the angle such as equidistance, the kelly is kept away from the one end of commentaries on classics board and all pegs graft mutually with the draw-in groove that corresponds.

Preferably, a torsion spring is sleeved outside the rotating rod and is sleeved on the rotating rod, the torsion spring is located between the connecting piece and the rotating plate, the rotating rod is connected with the rear cover through the torsion spring, and the torsion spring drives the rotating rod to extrude the clamping groove.

Preferably, the clamping groove comprises a guide section and a fixed section, one end of the guide section penetrates through one end of the shell, the other end of the guide section is connected with one end of the fixed section, which is close to the rear cover,

the straight line of the long edge of the fixed section is parallel to the plane of the rear cover, an included angle is formed between the straight line of the long edge of the guide section and the long edge of the fixed section, and the torsion spring elastically drives the rotating rod to extrude the fixed section.

Preferably, one section of the connecting piece, which is far away from the rotating rod, is provided with a rubber block, and the rubber block is inserted at the other end of the rotating rod.

Preferably, one side equidistance equal angle symmetrical connection that the back lid is close to the shell has the gag lever post, the gag lever post is used for injecing the turned position of bull stick.

Preferably, the shell and the two sides of the back cover which are vertical to the bottom plate are provided with positioning grooves, the mounting mechanism comprises a fixing rod, a connecting rod, a side rod, a U-shaped rod, a positioning rod and a steering rod,

dead lever symmetric connection is in bottom plate top both sides, the relative one side in dead lever top all through the bearing with the connecting rod rotates to be connected, the one end that the dead lever was kept away from to the connecting rod all through the side lever with the U-shaped pole is connected, the shell both sides all are equipped with the locating lever, the locating lever both ends are equallyd divide do not to be connected with the U-shaped pole that corresponds, the elastic drive subassembly with bottom plate fixed connection, just the elastic drive subassembly with the U-shaped pole bottom is connected, the elastic drive subassembly drive the U-shaped pole winds the connecting rod rotates, thereby drives the locating lever centre gripping the shell lateral wall.

Preferably, four corners of the top of the bottom plate are provided with arc-shaped grooves, and four groups of elastic driving assemblies are arranged at positions corresponding to the arc-shaped grooves; the elastic driving component comprises a gasket, a positioning block, a limiting spring, a bearing rod and an annular sheet,

the utility model discloses a steering column, including U-shaped pole, steering column, locating piece, guide bar, bottom plate, locating piece, sliding tray, U-shaped pole, steering column's both sides wall connection the bearing column both ends, the steering column with bearing column swing joint, the steering column bottom with the bottom plate is connected, the steering column bottom is connected with the gasket, the gasket bottom is connected with the locating piece, the locating piece is connected with the arc wall that corresponds, the steering column outside all overlaps there is spacing spring and annular piece, the annular piece all through adjacent spacing spring and the gasket elastic connection who corresponds, the sliding tray has been seted up along the axial on the steering column top, the equal swing joint in sliding tray inside has the bearing column. Preferably, push rods are arranged on two sides of the shell perpendicular to the rear cover, and the push rods are connected with one ends, far away from the U-shaped rods, of the corresponding side rods.

Preferably, one side of the shell, which is far away from the rear cover, is connected with a reinforcing ring, and the top of the bottom plate is symmetrically connected with stop levers.

Preferably, one side of the rear cover close to the shell is symmetrically connected with limiting rods at equal intervals and equal angles.

Compared with the related art, the electromagnet convenient to overhaul provided by the utility model has the following beneficial effects:

the utility model provides an electromagnet convenient to overhaul, the rear cover and the shell of the electromagnet can be detached by rotating the rotating plate through the connecting mechanism, internal components can be overhauled and replaced in time when the electromagnet breaks down, and the connection between the rear cover and the shell is facilitated.

The electromagnet convenient to maintain is convenient to install through the installation mechanism, the positioning rod can be separated from the positioning groove in the electromagnet by pushing the push rod, the electromagnet is taken down from the bottom plate, and the electromagnet is convenient to disassemble.

Drawings

FIG. 1 is a schematic diagram of a preferred embodiment of an easy access electromagnet according to the present invention;

FIG. 2 is a schematic structural view of the housing shown in FIG. 1;

FIG. 3 is a schematic structural view of the rear cover shown in FIG. 1;

FIG. 4 is a schematic view of the structure of the rotating rod shown in FIG. 1;

FIG. 5 is a schematic structural view of the base plate shown in FIG. 1;

FIG. 6 is a schematic structural view of the positioning rod shown in FIG. 1;

FIG. 7 is a schematic view of the U-shaped bar of FIG. 1;

fig. 8 is a schematic structural view of the blocking lever shown in fig. 1.

The reference numbers in the figures: 1. a base plate; 2. a housing; 3. a rear cover; 4. fixing the rod; 5. an arc-shaped slot; 6. a connecting mechanism; 7. an installation mechanism; 8. a reinforcing ring; 9. a stop lever; 10. a limiting rod; 61. a card slot; 62. a rotating rod; 63. connecting sheets; 64. a clamping rod; 65. rotating the plate; 66. a rubber block; 67. a curved groove; 68. a torsion spring; 71. positioning a groove; 72. a connecting rod; 73. a side lever; 74. a U-shaped rod; 75. positioning a rod; 76. a steering lever; 77. a gasket; 78. positioning blocks; 79. a limiting spring; 710. a carrying rod; 711. a sliding groove; 712. an annular sheet; 713. a push rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to 8, an electromagnet convenient to repair according to an embodiment of the present invention includes: including bottom plate 1, shell 2, back lid 3, coupling mechanism 6 and installation mechanism 7, shell 2 sets up at 1 tops of bottom plate, 2 one ends of shell are provided with the opening, shell 2 is used for placing the electro-magnet body, back lid 3 sets up in

shell

2 and 1 vertically one end of bottom plate, back lid 3 is used for sealing shell 2, coupling mechanism 6 installs in 3 one ends of back lid, coupling mechanism 6 can dismantle with shell 2 and be connected, installation mechanism 7 installs at 1 tops of bottom plate,

installation mechanism

7 and 2 both sides swing joint of shell.

Wherein, the side wall of one end of the shell 2 close to the rear cover 3 is provided with clamping grooves 61 with equal intervals and equal angles, the connecting mechanism 6 comprises a rotating rod 62, a connecting sheet 63, a clamping rod 64 and a rotating plate 65,

the inside bull stick 62 that is connected with through the bearing rotation of back lid 3, the one end that the bull stick 62 is close to shell 2 is connected with connection piece 63, and the 62 other end of bull stick is connected with commentaries on classics board 65, and connection piece 63 outside equidistance wait the angle be connected with kelly 64, and the kelly 64 is kept away from the one end of changeing board 65 and is all pegged graft mutually with corresponding draw-in groove 61.

Arc wall 5 has all been seted up at 1 top four corners of bottom plate, and the equal symmetric connection in 1 top both sides of bottom plate has

dead lever

4, and 1 bottom of bottom plate is equipped with shell 2, and

shell

2 and 1 vertically one end of bottom plate are equipped with back lid 3, and coupling mechanism 6 is installed to back lid 3 one side, and installation mechanism 7 is installed at 1 top of bottom plate.

It should be noted that: rotate through coupling mechanism 6 and change board 65 alright in order to carry out the split with back lid 3 and shell 2 to the electro-magnet, conveniently when the electro-magnet breaks down, in time overhaul the change to the part of inside, made things convenient for being connected of back lid 3 and shell 2, made things convenient for the installation of electro-magnet through installation mechanism 7, promote push rod 713 alright with separate locating lever 75 and the constant head tank 71 on the electro-magnet, take off the electro-magnet from bottom plate 1, made things convenient for the dismantlement of electro-magnet.

In the embodiment of the present invention, please refer to fig. 1 to 4, the connecting mechanism 6 includes a slot 61, a rotating rod 62, a connecting sheet 63, a clamping rod 64, a rotating plate 65 and a torsion spring 68, the slot 61 is provided on the outer wall of one side of the housing 2 close to the rear cover 3 at equal intervals and equal angles, the rotating rod 62 is rotatably connected inside the rear cover 3 through a bearing, one end of the rotating rod 62 close to the housing 2 is connected with the connecting sheet 63, the other end of the rotating rod 62 is connected with the rotating plate 65, the clamping rod 64 is connected to the outer side of the connecting sheet 63 at equal intervals and equal angles, one end of the clamping rod 64 far away from the rotating plate 65 is inserted into the corresponding slot 61, the torsion spring 68 is sleeved on the outer side of the rotating rod 62, and the connecting sheet 63 is elastically connected with the rear cover 3 through the torsion spring 68; the torsion spring 68 is sleeved outside the rotating rod 62, the torsion spring 68 is sleeved on the rotating rod 62, the torsion spring 68 is located between the connecting piece 63 and the rotating plate 65, the rotating rod 62 is connected with the rear cover 3 through the torsion spring 68, and the torsion spring 68 drives the rotating rod 62 to extrude the clamping groove 61.

Draw-in groove 61 includes direction section and canned paragraph, and direction section one end runs through the one end of shell 2, and the canned paragraph is connected to the direction section other end and is close to 3 one ends of hou gai, and the long limit place straight line of canned paragraph is parallel with the plane of hou gai 3 place, has the contained angle between the long limit place straight line of direction section and the canned paragraph long limit, and torsion spring 68 elastic drive bull stick 62 extrudes the canned paragraph. The structural design of draw-in groove 61 is exquisite, and the processing cost is low, and the direction of the bull stick 62 of being convenient for of direction section rotates, and the fixed segment promotes the stability that the bull stick 62 is connected shell 2 and back lid 3.

It should be noted that: when the rear cover 3 needs to be taken down, the rotating plate 65 is rotated to drive the rotating rod 62 to rotate, and the connecting piece 63 at the end part of the rotating rod 62 rotates.

In the embodiment of the present invention, referring to fig. 3 and 4, a rubber block 66 is connected to a side of the connecting piece 63 away from the rotating rod 62; one section of the connecting piece 63 far away from the rotating rod 62 is provided with a rubber block 66, and the rubber block 66 is inserted at the other end of the rotating rod 62. It should be noted that: the rubber block 66 can abut against the parts inside the electromagnet after the back cover 3 is connected with the shell 2, so that the looseness is prevented.

In the embodiment of the present invention, please refer to fig. 3, a side of the rear cover 3 close to the housing 2 is symmetrically connected with a limiting rod 10 at equal intervals and equal angles. The limiting rod 10 can abut against the inner walls of the periphery of the shell 2 after the shell 2 and the rear cover 3 are connected, so that loosening and deviation are avoided.

In the embodiment of the present invention, referring to fig. 3 and 4, the outer side of the rotating plate 65 is provided with a curved groove 67 at equal intervals and equal angles; it should be noted that: it is more labor-saving and convenient when the rotating plate 65 rotates to drive the rotating rod 62 to rotate.

The structure of the mounting mechanism 7 in the present embodiment will be explained in detail:

installation mechanism 7 includes dead lever 4, connecting rod 72, side lever 73, U-shaped pole 74, locating lever 75, steering column 76, dead lever 4 symmetric connection is in bottom plate 1 top both sides, the relative one side in dead lever 4 top all rotates with connecting rod 72 through the bearing and is connected, the one end that dead lever 4 was kept away from to connecting rod 72 all is connected with U-shaped pole 74 through side lever 73, shell 2 both sides all are equipped with locating lever 75, locating lever 75 both ends are equallyd divide do not are connected with the U-shaped pole 74 that corresponds, elastic drive subassembly and bottom plate 1 fixed connection, and elastic drive subassembly is connected with U-shaped pole 74 bottom, elastic drive subassembly drive U-shaped pole 74 rotates around connecting rod 72, thereby drive locating lever 75 centre gripping shell 2 lateral wall, promote the stability of electro-magnet structure.

Four corners of the top of the bottom plate 1 are provided with arc-shaped grooves 5, and four groups of elastic driving assemblies are arranged at positions corresponding to the arc-shaped grooves 5; elastic drive assembly includes gasket 77, locating piece 78, limit spring 79, accept pole 710 and annular piece 712, the both sides inner wall connection of U-shaped pole 74 accepts the pole 710 both ends, steering column 76 and accept pole 710 swing joint, steering column 76 bottom is connected with bottom plate 1, steering column 76 bottom is connected with gasket 77, gasket 77 bottom is connected with locating piece 78, locating piece 78 is connected with corresponding arc wall 5, steering column 76 outside all overlaps there are limit spring 79 and annular piece 712, annular piece 712 all through adjacent limit spring 79 with the gasket 77 elastic connection that corresponds, sliding tray 711 has been seted up along the axial on steering column 76 top, inside all swing joint of sliding tray 711 has accept pole 710.

Push rods 713 are arranged on two sides of the shell 2 perpendicular to the rear cover 3, and the push rods 713 are connected with one ends of the corresponding side rods 73 far away from the U-shaped rods 74. In the embodiment of the present invention, please refer to fig. 5 and fig. 6, two sides of the housing 2 perpendicular to the rear cover 3 are respectively provided with a push rod 713, and two ends of the push rod 713 are respectively connected to the corresponding side rods 73; the push rod 713 enables the push side rod 73 to rotate more conveniently, and the push rod 713 can be pushed to drive the two push rods 713 to rotate at the same time, so that the stability of the electromagnet structure is further improved.

One end of the connecting rod 72 far away from the fixing rod 4 is connected with a side rod 73, the bottom end of the side rod 73 is connected with a U-shaped rod 74, positioning rods 75 are arranged on two sides of the shell 2, two ends of each positioning rod 75 are connected with the corresponding U-shaped rod 74, a steering rod 76 is arranged at the bottom of each U-shaped rod 74, the bottom end of each steering rod 76 is connected with a gasket 77, the bottom of each gasket 77 is connected with a positioning block 78, the positioning blocks 78 are connected with the corresponding arc grooves 5 in a sliding mode, limiting springs 79 and annular pieces 712 are sleeved on the outer sides of the steering rods 76, the annular pieces 712 are connected with the corresponding gaskets 77 through the adjacent limiting springs 79 in an elastic mode, sliding grooves 711 are formed in the top ends of the steering rods 76, bearing rods 710 are connected with the inner walls of two sides of the corresponding U-shaped rods 74 in a sliding mode, and the two ends of the bearing rods 710 are connected with the inner walls of the two sides of the corresponding U-shaped rods 74.

It should be noted that: when the electromagnet needs to be detached, the push rod 713 is pushed, the push rod 713 drives the side rods 73 at the two ends to rotate by taking the connecting rod 72 as an axis, when the push rod 713 rotates, the bearing rod 710 in the U-shaped rod 74 slides along the sliding groove 711 to extrude the annular sheet 712 to contract the limiting spring 79, the steering rod 76 is driven to synchronously rotate, the steering rod 76 and the side rods 73 are inclined inwards to rotate to incline outwards, so that the positioning rod 75 is separated from the positioning groove 71, the electromagnet can be detached and detached, and when the electromagnet is installed in the same way, the push rod 713 is pushed to enable the positioning rod 75 to be clamped into the corresponding positioning groove 71, and the electromagnet can be fixedly installed on the bottom plate 1.

In the embodiment of the present invention, please refer to fig. 1, one side of the housing 2 away from the rear cover 3 is connected with a reinforcing ring 8; it should be noted that: reinforce the iron core splicing position of the electromagnet, and prevent the deformation of the hole of the shell 2. In the embodiment of the present invention, please refer to fig. 1 and 8, the top of the bottom plate 1 is symmetrically connected with the stop levers 9; it should be noted that: the stop lever 9 can limit the two sides of the electromagnet when the electromagnet is installed, so that the electromagnet is prevented from sliding.

In the embodiment of the present invention, please refer to fig. 1 and 2, a chamfer is formed on the surface of the housing 2; hard contact is avoided.

The working principle of the electromagnet convenient to overhaul provided by the utility model is as follows: when the rear cover 3 needs to be taken down, the rotating plate 65 is rotated to drive the rotating rod 62 to rotate, the torsion spring 68 is deformed when the connecting sheet 63 at the end part of the rotating rod 62 rotates, the clamping rod 64 is rotated from one side to the other side of the clamping groove 61, the clamping rod 64 and the clamping groove 61 can be separated along the inclined surface of the clamping groove 61, the rear cover 3 is taken down so as to maintain and replace internal parts and the like of the shell 2, when the connection is needed, the clamping rod 64 of the rear cover 3 is opposite to the clamping groove 61, the clamping rod 64 slides in along the inclined surface of the clamping groove 61 to drive the rotating rod 62 to rotate, the torsion spring 68 is deformed, after the clamping rod 64 is sunk into the clamping groove 61, the clamping rod 64 is clamped into the inner side of the clamping groove 61 under the driving of the torsion spring 68, the rear cover 3 is connected with the shell 2, when the electromagnet needs to be dismounted, the push rod 713, the push rod 713 drives the side rods 73 at the two ends to rotate by taking the connecting rod 72 as an axis, and when the rotation, the receiving rod 710 in the U-shaped rod 74 slides along the sliding groove 711 to extrude the annular sheet 712 to enable the limiting spring 79 to contract, the synchronous rotation of drive steering column 76 lets steering column 76 and side lever 73 to incline to the inboard and rotate and become to incline to the outside to let locating lever 75 and constant head tank 71 separate, alright with dismantling the electro-magnet and take off, as long as put the electro-magnet on bottom plate 1 during installation like this, promote push rod 713 and let locating lever 75 block into corresponding constant head tank 71 alright with electro-magnet fixed mounting on bottom plate 1.

Connecting mechanism 6 rotates and changes board 65 alright in order to carry out the split with back lid 3 and shell 2 to the electro-magnet, and the convenience is when the electro-magnet breaks down, in time overhauls the change to inside part, has made things convenient for being connected of back lid 3 and shell 2, has made things convenient for the installation of electro-magnet through installation mechanism 7, promotes push rod 713 alright with separating locating lever 75 and the constant head tank 71 on the electro-magnet, takes off the electro-magnet from bottom plate 1, has made things convenient for the dismantlement of electro-magnet.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The electromagnet convenient to overhaul is characterized by comprising a bottom plate (1), a shell (2), a rear cover (3), a connecting mechanism (6) and an installing mechanism (7), wherein the shell (2) is arranged at the top of the bottom plate (1), an opening is formed in one end of the shell (2), the shell (2) is used for placing an electromagnet body, the rear cover (3) is arranged at one end, perpendicular to the bottom plate (1), of the shell (2), the rear cover (3) is used for sealing the shell (2), the connecting mechanism (6) is installed at one end of the rear cover (3), the connecting mechanism (6) is detachably connected with the shell (2), the installing mechanism (7) is installed at the top of the bottom plate (1), and the installing mechanism (7) is movably connected with the two sides of the shell (2);

wherein, the side wall of one end of the shell (2) close to the rear cover (3) is provided with clamping grooves (61) at equal intervals and equal angles, the connecting mechanism (6) comprises a rotating rod (62), a connecting sheet (63), a clamping rod (64) and a rotating plate (65),

rear cover (3) inside is rotated through the bearing and is connected with bull stick (62), the one end that bull stick (62) is close to shell (2) is connected with connection piece (63), bull stick (62) other end is connected with commentaries on classics board (65), connection piece (63) outside equidistance wait the angle be connected with kelly (64), kelly (64) are kept away from the one end of changeing board (65) and are all pegged graft mutually with corresponding draw-in groove (61).

2. The electromagnet convenient to overhaul according to claim 1, wherein a torsion spring (68) is sleeved outside the rotating rod (62), the torsion spring (68) is sleeved on the rotating rod (62), the torsion spring (68) is located between the connecting piece (63) and the rotating plate (65), the rotating rod (62) is connected with the rear cover (3) through the torsion spring (68), and the torsion spring (68) drives the rotating rod (62) to extrude the clamping groove (61).

3. The electromagnet convenient to overhaul according to claim 2, wherein the clamping groove (61) comprises a guiding section and a fixing section, one end of the guiding section penetrates through one end of the shell (2), the other end of the guiding section is connected with one end of the fixing section close to the rear cover (3),

the straight line of the long edge of the fixed section is parallel to the plane of the rear cover (3), an included angle is formed between the straight line of the long edge of the guide section and the long edge of the fixed section, and the torsion spring (68) elastically drives the rotating rod (62) to extrude the fixed section.

4. An electromagnet easy to overhaul according to claim 1, characterized in that a section of the connecting piece (63) remote from the rotating rod (62) is provided with a rubber block (66), and the rubber block (66) is inserted at the other end of the rotating rod (62).

5. An electromagnet convenient to overhaul according to claim 1, characterized in that a limiting rod (10) is symmetrically connected to one side of the rear cover (3) close to the housing (2) at equal intervals and equal angles, and the limiting rod (10) is used for limiting the rotation position of the rotating rod (62).

6. The electromagnet convenient to overhaul as claimed in claim 1, wherein the housing (2) and the rear cover (3) are provided with positioning slots (71) on two sides perpendicular to the bottom plate (1), the mounting mechanism (7) comprises a fixing rod (4), a connecting rod (72), a side rod (73), a U-shaped rod (74), a positioning rod (75) and a steering rod (76),

dead lever (4) symmetric connection is in bottom plate (1) top both sides, dead lever (4) top relative one side all through the bearing with connecting rod (72) rotate to be connected, one end that dead lever (4) were kept away from in connecting rod (72) all through side lever (73) with U-shaped pole (74) are connected, shell (2) both sides all are equipped with locating lever (75), locating lever (75) both ends are equallyd divide respectively with the U-shaped pole (74) that correspond to be connected, elastic drive subassembly with bottom plate (1) fixed connection, just elastic drive subassembly with U-shaped pole (74) bottom is connected, the drive of elastic drive subassembly U-shaped pole (74) wind connecting rod (72) rotate, thereby drive locating lever (75) centre gripping shell (2) lateral wall.

7. The electromagnet convenient to overhaul according to claim 6, wherein four corners of the top of the bottom plate (1) are provided with arc-shaped grooves (5), and the elastic driving assembly is provided with four groups corresponding to the arc-shaped grooves (5); the elastic driving component comprises a gasket (77), a positioning block (78), a limiting spring (79), a bearing rod (710) and an annular sheet (712),

the utility model discloses a bearing device, including U-shaped pole (74), steering column (76), gasket (77), locating piece (78), positioning piece (78) and the arc wall (5) that correspond are connected, steering column (76) outside all overlaps and has spacing spring (79) and annular piece (712), annular piece (712) all are through adjacent spacing spring (79) and gasket (77) elastic connection that corresponds, sliding tray (711) have been seted up along the axial on steering column (76) top, inside all swing joint of sliding tray (711) has bearing rod (710).

8. An electromagnet convenient to overhaul according to claim 6, characterized in that the two sides of the housing (2) perpendicular to the back cover (3) are each provided with a push rod (713), and the push rods (713) are connected with the ends of the corresponding side bars (73) far away from the U-shaped bar (74).

9. The electromagnet convenient to overhaul according to claim 1, wherein one side of the shell (2) far away from the rear cover (3) is connected with a reinforcing ring (8), and the top of the bottom plate (1) is symmetrically connected with stop rods (9).

10. An electromagnet convenient to overhaul according to claim 1, characterized in that the side of the rear cover (3) close to the housing (2) is symmetrically connected with a limiting rod (10) at equal intervals and equal angles.