Waterproof electromagnetic brake

Abstract

The utility model discloses a waterproof electromagnetic brake which comprises a bottom plate, an installation groove is formed in the upper portion of the bottom plate, a fixing ring is arranged in the installation groove, the inner side of the fixing ring is fixedly connected with a protective cover, an installation plate is arranged in the installation groove, and an electromagnetic brake body is fixedly installed on the installation plate. A connecting plate is arranged in the middle of the upper portion of the protective cover, a cover plate is arranged above the connecting plate, a sealing ring is arranged in the middle of the connecting plate and the middle of the cover plate, a clamping ring is arranged on the side, close to the cover plate, of the sealing ring, and clamping grooves matched with the clamping ring are formed in the connecting plate and the cover plate. Four limiting grooves distributed in a matrix mode are formed in the side, close to the clamping groove, of the cover plate, two symmetrical springs are arranged in each limiting groove, and the springs are fixedly connected with the push plate. The electromagnetic brake is good in waterproof effect and can be automatically sealed, the influence of water on the electromagnetic brake is effectively avoided, and the service life of the electromagnetic brake is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic brake, especially relates to a waterproof electromagnetic brake. BACKGROUND

[0002] The electromagnetic brake is a kind of connector that the driving side torsion is transmitted to passive side, can be combined freely according to needs, cut off or brake, with compact structure, simple operation, response sensitive, long life, reliable use, easy to realize remote control and so on.The Chinese patent number CN220850501U discloses an electromagnetic brake, including coil seat, flange end cover and sealing cooperation piece, the middle part of coil seat is equipped with via hole;Flange end cover contains bottom plate and the annular fence connected with bottom plate, flange end cover cover is located in one side end of coil seat, bottom plate has inner hole, and the space is formed between flange end cover and coil seat, and the friction plate and square wheel that are sequentially arranged along the axial direction of rotation axis are arranged in the space, the annular fence is surrounded in the circumferential side of friction plate, square wheel is worn and is arranged in the inner hole of bottom plate and the square hole of friction plate, and the hole wall between square wheel and the inner hole of bottom plate forms interval gap, and sealing cooperation piece is arranged between square wheel and bottom plate, sealing cooperation piece is used to seal the part of friction plate exposed in interval gap, relies on the side protection of flange end cover and coil seat connection to realize the side protection of electromagnetic brake, and sealing cooperation piece realizes the end face protection of friction plate, improves the service life of friction plate and electromagnetic brake, reduces the requirement of electromagnetic brake to environment.But the electromagnetic brake does not have waterproof structure, when water enters the electromagnetic brake and cannot be discharged in the use process of the brake, then it is extremely easy to cause the damage of brake in subsequent use process, inconvenient for the use of electromagnetic brake, for this, we propose a waterproof electromagnetic brake. UTILITY MODEL CONTENTS

[0003] In order to solve the above problems, the utility model provides a waterproof electromagnetic brake.The utility model solves the problem that the electromagnetic brake does not have waterproof structure, when water enters the electromagnetic brake and cannot be discharged in the use process of the brake, then it is extremely easy to cause the damage of brake in subsequent use process, inconvenient for the use of electromagnetic brake.

[0004] The utility model discloses a waterproof electromagnetic brake, including the bottom plate, the bottom plate top middle part is equipped with the mounting slot, be equipped with the fixed ring in the mounting slot, the fixed ring inboard is fixedly connected with the protection cover, the mounting slot is located the mounting plate that is equipped with in the protection cover, the electromagnetic brake body is fixedly installed on the mounting plate, the protection cover top middle part is equipped with the connecting plate, the connecting plate top is equipped with the apron, the connecting plate and the apron middle part are equipped with the sealing washer, the sealing washer is equipped with the snap ring on the side of apron, the connecting plate and the apron are equipped with the clamping groove that matches with the snap ring on, the apron is equipped with four matrix arrangement's limit slot on the side of clamping groove, be equipped with two symmetries' spring in the limit slot, the spring is fixedly connected with the push board on the side away from the limit slot.

[0005] In the above scheme, the apron and the connecting plate are fixedly connected through the first bolt.

[0006] In the above scheme, the fixed ring and the bottom plate are provided with a sealing gasket.

[0007] In the above scheme, the mounting plate and the bottom plate are fixedly connected through the second bolt.

[0008] In the above scheme, the fixed ring and the bottom plate are fixedly connected through the third bolt.

[0009] In the above scheme, the bottom plate is provided with a plurality of matrix-arranged mounting holes.

[0010] In the above scheme, the inner wall of the sealing washer is provided with a plurality of equidistantly-arranged annular expansion ribs.

[0011] The utility model discloses a waterproof electromagnetic brake, the electromagnetic brake body is located inside the protection cover, thereby through the protection cover can protect the electromagnetic brake body, and electromagnetic brake body transmission shaft can be through the sealing washer inside from the protection cover inside and stretch out, through the setting of protection cover, make electromagnetic brake body when needing to carry out waterproof work, can effectively waterproof work to electromagnetic brake body, and the sealing washer can seal connecting plate and the apron with electromagnetic brake body transmission shaft, when the sealing washer appears the abrasion phenomenon after the long -term use of electromagnetic brake, under the action of spring elasticity, spring pushes the push board, makes the push board extrude sealing washer, makes sealing washer to the inside deformation, and the sealing washer is automatically contacted with electromagnetic brake body transmission shaft, thereby effectively guarantee the sealing property of sealing washer to electromagnetic brake body transmission shaft, and this kind of electromagnetic brake structure is simple, and the waterproof effect is good, can automatically seal, effectively avoid the influence of water to electromagnetic brake, improve the service life of electromagnetic brake. BRIEF DESCRIPTION OF DRAWINGS

[0012] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work are within the protection scope of the present application.

[0013] Fig. 1 A structural schematic view of the present application;

[0014] Fig. 2 A structural schematic view of the present application;

[0015] Fig. 3 A structural schematic view of part A of the present application.

[0016] In the figure: 1, bottom plate; 2, mounting groove; 3, fixing ring; 4, protective cover; 5, mounting plate; 6, electromagnetic brake body; 7, connecting plate; 8, cover plate; 9, sealing ring; 10, clasp ring; 11, clamping groove; 12, limiting groove; 13, spring; 14, push plate; 15, first bolt; 16, sealing gasket; 17, second bolt; 18, third bolt; 19, mounting hole; 20, annular expansion muscle. DETAILED DESCRIPTION

[0017] The specific embodiments of the present application will be further described below with reference to the drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and cannot limit the protection scope of the present application.

[0018] As Figs. 1-3As shown, the utility model of a kind of waterproof electromagnetic brake, including bottom plate 1, the middle part of bottom plate 1 top is equipped with installation slot 2, fixed ring 3 is equipped in installation slot 2, the inboard of fixed ring 3 is fixedly connected with protective cover 4, protective cover 4 and fixed ring 3 are integral structure, installation plate 5 is equipped in protective cover 4 inside where installation slot 2 is located, electromagnetic brake body 6 is fixedly installed on installation plate 5, the middle part of protective cover 4 top is equipped with connecting plate 7, connecting plate 7 top is equipped with cover plate 8, the middle part of connecting plate 7 and cover plate 8 is equipped with sealing ring 9, electromagnetic brake body 6 is located inside protective cover 3, to carry out protection to electromagnetic brake body 6 by protective cover 3 can, and electromagnetic brake body 6 transmission shaft can be stretched out from inside protective cover 3 by sealing ring 9 inside, by the setting of protective cover 4, when the waterproof work of electromagnetic brake body 6 is needed, electromagnetic brake body 6 can effectively carry out waterproof work to electromagnetic brake body 6, simultaneously sealing ring 9 can seal connecting plate 7 and cover plate 8 with electromagnetic brake body 6 transmission shaft, to avoid the phenomenon of brake inside water, the side of sealing ring 9 close to cover plate 8 is equipped with snap ring 10, connecting plate 7 and cover plate 8 are equipped with the clamping groove 11 matched with snap ring 10, snap ring 10 is clamped in clamping groove 11 inside, by the mutual cooperation between snap ring 10 and clamping groove 11, sealing ring 9 can be stably installed in connecting plate 7 and cover plate 8 inside, the cross section of clamping groove 11 is greater than the cross section of clamping groove 11, so that snap ring 10 can be squarely moved in clamping groove 11, the side of cover plate 8 close to clamping groove 11 is equipped with four matrix arrangement limit slot 12, two symmetrical springs 13 are equipped in limit slot 12, the side of spring 13 away from limit slot 12 is fixedly connected with push plate 14, when sealing ring 9 appears abrasion phenomenon after long-term use of electromagnetic brake, under the action of spring 13 elasticity, spring 13 pushes push plate 14, so that push plate 14 extrudes sealing ring 9, so that sealing ring 9 is deformed to the inside, sealing ring 9 is automatically contacted with electromagnetic brake body 6 transmission shaft, to effectively guarantee the sealing property of sealing ring 9 to electromagnetic brake body 6 transmission shaft.

[0019] The cover plate 8 and the connecting plate 7 are fixedly connected by the first bolt 15, and the cover plate 8 and the connecting plate 7 are both provided with threaded holes matched with the first bolt 15. The cover plate 8 and the connecting plate 7 can be tightly connected through the mutual cooperation between the first bolt 15 and the threaded holes on the cover plate 8 and the connecting plate 7.

[0020] The fixed ring 3 and the bottom plate 1 are provided with a sealing gasket 16, which is annular. The sealing gasket 16 is provided with a through hole matched with the third bolt 18. The sealing gasket 16 can seal the contact surface between the fixed ring 3 and the bottom plate 1, thereby effectively guaranteeing the sealing property between the fixed ring 3 and the bottom plate 1 and avoiding water entering the protective cover 4 from the gap between the fixed ring 3 and the bottom plate 1.

[0021] The mounting plate 5 is fixedly connected with the bottom plate 1 through the second bolt 17, the mounting plate 5 and the bottom plate 1 are both provided with threaded holes matched with the second bolt 17, and the electromagnetic brake body 6 is fixedly installed on the bottom plate 1 through the second bolt 17 and the cooperation between the threaded holes of the mounting plate 5 and the bottom plate 1.

[0022] The fixing ring 3 is fixedly connected with the bottom plate 1 through the third bolt 18, the fixing ring 3 and the bottom plate 1 are both provided with threaded holes matched with the third bolt 18, and the fixing ring 3 and the protective cover 4 are stably installed on the bottom plate 1 through the third bolt 18 and the cooperation between the threaded holes of the fixing ring 3 and the bottom plate 1.

[0023] The bottom plate 1 is provided with a plurality of matrix-arranged mounting holes 19 on the outer side, and the mounting holes 19 are arranged so that the bottom plate 1 can be fixedly installed on the mechanical equipment.

[0024] The inner wall of the sealing ring 9 is provided with a plurality of equidistantly-arranged annular expansion ribs 20, the annular expansion ribs 20 effectively increase the deformation degree of the inner side of the sealing ring, and thus further increase the sealing property between the sealing ring 9 and the transmission shaft of the electromagnetic brake body 6.

[0025] Specifically, in the utility model, the electromagnetic brake body 6 is located inside the protective cover 3, so that the electromagnetic brake body 6 can be protected through the protective cover 3, and the transmission shaft of the electromagnetic brake body 6 can extend out of the protective cover 3 through the inside of the sealing ring 9; through the arrangement of the protective cover 4, when the electromagnetic brake body 6 needs to be waterproofed, the electromagnetic brake body 6 can be effectively waterproofed, and meanwhile, the sealing ring 9 can seal the connecting plate 7, the cover plate 8 and the transmission shaft of the electromagnetic brake body 6, so that the phenomenon of water entering the brake is avoided; the clamping ring 10 is clamped in the clamping groove 11, the sealing ring 9 can be stably installed in the connecting plate 7 and the cover plate 8 through the cooperation between the clamping ring 10 and the clamping groove 11; the cross section of the clamping groove 11 is larger than that of the clamping groove 11, so that the clamping ring 10 can move in a square shape in the clamping groove 11; when the sealing ring 9 is worn after long-term use of the electromagnetic brake, under the action of the elasticity of the spring 13, the spring 13 pushes the push plate 14, the push plate 14 extrudes the sealing ring 9, the sealing ring 9 deforms towards the inside, the sealing ring 9 automatically contacts the transmission shaft of the electromagnetic brake body 6, so that the sealing property of the sealing ring 9 to the transmission shaft of the electromagnetic brake body 6 is effectively ensured, and the arrangement of the annular expansion rib 20 effectively increases the deformation degree of the inner side of the sealing ring, so that the sealing property between the sealing ring 9 and the transmission shaft of the electromagnetic brake body 6 is further increased.

[0026] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A waterproof electromagnetic brake comprising a backplate (1), characterized in that, The bottom plate (1) is provided with an installation groove (2) in the middle part, a fixing ring (3) is arranged in the installation groove (2), the inner side of the fixing ring (3) is fixedly connected with a protective cover (4), an installation plate (5) is arranged in the protective cover (4), an electromagnetic brake body (6) is fixedly arranged on the installation plate (5), a connecting plate (7) is arranged on the middle part of the protective cover (4), a cover plate (8) is arranged above the connecting plate (7), a sealing ring (9) is arranged in the middle part of the connecting plate (7) and the cover plate (8), a clamping ring (10) is arranged on the side of the sealing ring (9) close to the cover plate (8), a clamping groove (11) matched with the clamping ring (10) is arranged on the connecting plate (7) and the cover plate (8), four limiting grooves (12) are arranged on the side of the cover plate (8) close to the clamping groove (11), two symmetrical springs (13) are arranged in the limiting grooves (12), and the springs (13) are fixedly connected with a push plate (14) away from the limiting grooves (12).

2. A waterproof electromagnetic brake according to claim 1, wherein The cover plate (8) and the connecting plate (7) are fixedly connected through a first bolt (15).

3. A waterproof electromagnetic brake according to claim 1, wherein The fixing ring (3) and the bottom plate (1) are provided with a sealing gasket (16).

4. A waterproof electromagnetic brake according to claim 1, wherein The installation plate (5) and the bottom plate (1) are fixedly connected through a second bolt (17).

5. A waterproof electromagnetic brake according to claim 1, wherein The fixing ring (3) and the bottom plate (1) are fixedly connected through a third bolt (18).

6. A waterproof electromagnetic brake according to claim 1, wherein A plurality of installation holes (19) are arranged on the outer side of the bottom plate (1) in a matrix arrangement.

7. A waterproof electromagnetic brake according to claim 1, wherein A plurality of annular expansion ribs (20) are arranged on the inner wall of the sealing ring (9) at equal intervals.

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