CN217214590U

CN217214590U - Flexible attraction long-life electromagnetic relay

Info

Publication number: CN217214590U
Application number: CN202221117680.1U
Authority: CN
Inventors: 朱卫明
Original assignee: Haiyan Weijia Electric Technology Co ltd
Current assignee: Haiyan Weijia Electric Technology Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-08-16
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a flexible actuation long-life electromagnetic relay, including protective housing and cap, the protective housing top surface is open structure, the relay casing cup joints in the protective housing, the inside working chamber of seting up of relay casing, the inside bottom surface rigid coupling base platform of working chamber, two supports of rigid coupling between base platform and the working chamber top surface, two same horizontal position of support is seted up two sliding exits respectively two sliders of perpendicular sliding connection, two in the sliding exit rigid coupling pivot between the slider. The utility model discloses set up first buffer spring in lever and leg joint department, when armature and iron core contact, its impact force to armature production then can make the slider short distance remove from top to bottom in lever rotation department, decomposes impact force through first buffer spring, has protected armature, has improved electromagnetic relay's life, makes the work intracavity keep dry through the dry chamber simultaneously, further improves life.

Description

Flexible attraction long-life electromagnetic relay

Technical Field

The utility model relates to an electromagnetic relay technical field specifically is a flexible actuation long-life electromagnetic relay.

Background

A relay is a widely used electronic component, and is applied to the fields of household appliances, automobiles, industrial control, power systems, communication devices, and the like. With the development of society, the use of the relay is more and more extensive, and the variety is also more and more, and function and structure are also different. Among the present current electromagnetic relay, the one end of movable contact spring is fixed on the base of relay body, the other end of movable contact spring is provided with the movable contact, be used for with the stationary contact on the stationary contact spring, movable contact and stationary contact mainly rely on the push rod that sets up on the movable contact spring to drive the contact, conventional push rod colludes usually and establishes on the movable contact spring, the stress point between push rod and the movable contact spring is unstable in conventional structure, the position that leads to the movable contact easily in the course of the work takes place the skew, that is to say probably be eccentric contact between movable contact and the stationary contact, long-term eccentric contact, lead to the holistic life reduction of relay easily.

In contrast, the chinese utility model patent with the publication number CN216213148U discloses an electromagnetic relay, which includes a base, a housing covering the base, an electromagnetic assembly and a contact assembly disposed in the housing; realize the linkage through a push rod between movable contact spring and the armature, the push rod includes the push rod body, the first end of push rod body is provided with the first connecting portion that is used for being connected with the movable contact spring, characteristics are that first connecting portion include vertical parallel and first connecting wall and the second connecting wall that the interval set up, first connecting wall with the upper end of second connecting wall be connected through the third connecting wall, form lower open-ended spread groove between first connecting wall, second connecting wall and the third connecting wall, the movable contact spring body stretches into the setting in the spread groove, the arch is provided with the support lug backward on the rear end face of first connecting wall, the rear end face of support lug is laminated with the preceding terminal surface of movable contact spring body mutually.

The electromagnetic relay is simple in structure, eccentric contact between a moving contact and a fixed contact can be effectively avoided, the whole service life is ensured, in actual use, the impact force generated by high-frequency contact between the armature and the coil is the root cause of short service life, and the relay cannot solve the problem of impact force at the armature.

Therefore, a flexible attraction long-life electromagnetic relay is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible actuation long-life electromagnetic relay to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a flexible attraction long-life electromagnetic relay comprises a protective shell and a shell cover, wherein the top surface of the protective shell is of an open structure, the relay shell is sleeved in the protective shell, a working cavity is formed in the relay shell, the inner bottom surface of the working cavity is fixedly connected with a base table, two supports are fixedly connected between the base table and the top surface of the working cavity, two sliding openings are formed in the two supports at the same horizontal position respectively, two sliding blocks are vertically and slidably connected in the two sliding openings respectively, a rotating shaft is fixedly connected between the two sliding blocks, and the rotating shaft is rotatably connected with a lever;

the iron core positioning device is characterized in that two guide sliding posts are vertically and fixedly connected in the sliding port, two guide sliding holes are formed in the position, corresponding to the guide sliding posts, of the sliding block, the guide sliding posts are connected in the guide sliding holes in a sliding mode, a first buffer spring is sleeved at a position, located between the sliding block and the sliding port, on each guide sliding post, the bottom surface of one end of each lever is fixedly connected with an armature, a bottom platform is located below the corresponding armature and fixedly connected with an iron core, and a coil is wound on the outer side of the iron core.

Preferably, a sliding hole is vertically formed in one end, far away from the armature, of the lever, a sliding rod is sleeved in the sliding hole in a sliding mode, the top end and the bottom end of the sliding rod are fixedly connected with two moving contacts respectively, two second buffer springs are fixedly connected between the two moving contacts and the top surface and the bottom surface of the lever respectively, and the second buffer springs are sleeved on the outer side of the sliding rod in a sliding mode.

Preferably, the bottom surface of the working cavity is fixedly connected with an upright post at a position below the movable contact, the top surface of the upright post is fixedly connected with a support post, the top surface of the support post is provided with a sliding cavity, the sliding cavity is internally slidably sleeved with a sliding post, the top end of the sliding post is fixedly connected with a normally closed static contact, and a third buffer spring is fixedly connected between the bottom end of the sliding post and the bottom surface of the sliding cavity.

Preferably, one side of the working cavity, which is close to the moving contact, is fixedly connected with two hinged blocks, one end of the transverse plate is rotatably connected between the two hinged blocks, the bottom surface of the other end of the transverse plate is fixedly connected with a normally open static contact, the normally open static contact is positioned above the moving contact, and the hinged block and the transverse plate are rotatably connected and fixedly connected with a torsional spring.

Preferably, four threaded columns are fixedly connected to four corners of the top surface of the protective shell, four mounting holes are vertically formed in four corners of the shell cover, the threaded columns penetrate through the mounting holes and are in threaded connection with nuts, a handle is fixedly connected to the top surface of the relay shell, a through hole is formed in the position, corresponding to the handle, of the shell cover, and the handle penetrates through the through hole and is located on the top surface of the shell cover.

Preferably, the inside dry chamber of seting up in relay casing one side, a plurality of baffles of the perpendicular rigid coupling of dry intracavity, relay casing top surface corresponds a plurality of filling tubes of dry chamber position rigid coupling, and is a plurality of the filling tube all communicates dry chamber, a plurality of through-holes are seted up to a plurality of filling tube positions that the cap corresponds, the filling tube tip passes the through-hole and cup joints sealed head, dry chamber is close to work chamber one side rigid coupling otter board.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses set up first buffer spring in lever and leg joint department, when armature and iron core contact, its impact force to armature production then can make the slider short distance remove from top to bottom in lever rotation department, decomposes impact force through first buffer spring, has protected armature, has improved electromagnetic relay's life, makes the work intracavity keep dry through the dry chamber simultaneously, further improves life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the explosion structure of the present invention;

FIG. 3 is an enlarged structural diagram of a sectioning structure of a relay housing of the present invention;

FIG. 4 is a schematic view of the explosion structure at the junction between the middle bracket and the lever of the present invention;

FIG. 5 is a schematic view of a sectional structure of the end of the middle lever of the present invention;

FIG. 6 is a schematic view of the structure of the middle support column of the present invention;

FIG. 7 is a schematic view of the structure of the junction between the hinge block and the transverse plate;

fig. 8 is the utility model discloses well dry chamber department dissects the structure sketch map.

In the figure: 1. a protective housing; 2. a relay housing; 3. a shell cover; 4. a working chamber; 5. a support; 6. an iron core; 7. a support pillar; 11. a threaded post; 12. a nut; 21. a drying chamber; 22. a partition plate; 23. a feed tube; 24. a sealing head; 25. a screen plate; 26. a handle; 31. mounting holes; 32. a through hole; 33. a port; 41. a base table; 42. a hinged block; 43. a transverse plate; 44. a torsion spring; 45. a normally open static contact; 46. a column; 51. a sliding port; 52. a slider; 53. a rotating shaft; 54. a lever; 55. an armature; 56. a guide strut; 57. a guide slide hole; 58. a first buffer spring; 59. a slide hole; 510. a slide bar; 511. a moving contact; 512. a second buffer spring; 61. a coil; 71. a slide chamber; 72. a sliding post; 73. normally closing a static contact; 74. and a third buffer spring.

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.

Example 1:

referring to fig. 1-8, the present invention provides a technical solution: a flexible attraction long-life electromagnetic relay comprises a protective shell 1 and a shell cover 3, wherein the top surface of the protective shell 1 is of an open structure, the protective shell 1 is internally sleeved with a relay shell 2, a working cavity 4 is formed in the relay shell 2, the bottom surface of the inner part of the working cavity 4 is fixedly connected with a bottom table 41, two supports 5 are fixedly connected between the bottom table 41 and the top surface of the working cavity 4, two sliding openings 51 are respectively formed in the same horizontal position of the two supports 5, two sliding blocks 52 are vertically and slidably connected in the two sliding openings 51 respectively, a rotating shaft 53 is fixedly connected between the two sliding blocks 52, and the rotating shaft 53 is rotatably connected with a lever 54;

two guide sliding posts 56 are vertically and fixedly connected in the sliding opening 51, two guide sliding holes 57 are arranged at the positions of the slide block 52 corresponding to the guide sliding posts 56, the guide sliding posts 56 are slidably connected in the guide sliding holes 57, a first buffer spring 58 is sleeved at the position between the slide block 52 and the sliding opening 51 on the guide sliding posts 56, an armature 55 is fixedly connected to the bottom surface of one end of the lever 54, the bottom table 41 is positioned below the armature 55 and fixedly connected to the iron core 6, a coil 61 is wound on the outer side of the iron core 6, the first buffer spring 58 is arranged at the connecting position of the lever 54 and the bracket 5, when the armature 55 is contacted with the iron core 6, the impact force on the armature 55 causes the slider 52 to move up and down a short distance at the rotation of the lever 54, the first buffer spring 58 decomposes the impact force, protects the armature 55, improves the service life of the electromagnetic relay, meanwhile, the drying cavity 21 keeps the inside of the working cavity 4 dry, so that the service life is further prolonged.

Example 2:

referring to fig. 5, a sliding hole 59 is vertically formed in an end of the lever 54 away from the armature 55, a sliding rod 510 is slidably sleeved in the sliding hole 59, the top end and the bottom end of the sliding rod 510 are fixedly connected with two moving contacts 511, two second buffer springs 512 are fixedly connected between the two moving contacts 511 and the top surface and the bottom surface of the lever 54, respectively, and the second buffer springs 512 are slidably sleeved outside the sliding rod 510.

Referring to fig. 3 and 6, the bottom surface of the working chamber 4 is located below the movable contact 511 and is fixedly connected to the column 46, the top surface of the column 46 is fixedly connected to the supporting post 7, the top surface of the supporting post 7 is provided with a sliding chamber 71, the sliding chamber 71 is slidably sleeved with a sliding post 72, the top end of the sliding post 72 is fixedly connected to a normally closed stationary contact 73, and a third buffer spring 74 is fixedly connected between the bottom end of the sliding post 72 and the bottom surface of the sliding chamber 71.

Referring to fig. 3 and 7, the working chamber 4 is fixedly connected with two hinge blocks 42 at a side close to the movable contact 511, the two hinge blocks 42 are rotatably connected with one end of a transverse plate 43, the bottom surface of the other end of the transverse plate 43 is fixedly connected with a normally open static contact 45, the normally open static contact 45 is located above the movable contact 511, and a torsional spring 44 is fixedly connected at the rotating connection position of the hinge blocks 42 and the transverse plate 43.

Referring to fig. 2, four threaded posts 11 are fixedly connected to four corners of the top surface of the protective housing 1, four mounting holes 31 are vertically formed in four corners of the housing cover 3, the threaded posts 11 penetrate through the mounting holes 31 and are in threaded connection with the nuts 12, the handle 26 is fixedly connected to the top surface of the relay housing 2, a through hole 33 is formed in the position, corresponding to the handle 26, of the housing cover 3, and the handle 26 penetrates through the through hole 33 and is located on the top surface of the housing cover 3.

Please refer to fig. 8, a dry chamber 21 is opened inside one side of the relay housing 2, a plurality of partition plates 22 are vertically and fixedly connected in the dry chamber 21, a plurality of feed pipes 23 are fixedly connected to the top surface of the relay housing 2 corresponding to the dry chamber 21, the feed pipes 23 are all communicated with the dry chamber 21, a plurality of through holes 32 are opened to the housing cover 3 corresponding to the feed pipes 23, the end of the feed pipe 23 penetrates through the through hole 32 and is sleeved with a sealing head 24, the dry chamber 21 is close to a screen plate 25 fixedly connected to one side of the working chamber 4, and a drying agent can be timely supplemented into the dry chamber 21 by opening the sealing head 24 in the using process.

Example 3:

the utility model discloses can in time supply the drier in dry chamber 21 through opening sealed head 24 in the use, the utility model discloses set up first buffer spring 58 in lever 54 and support 5 junction, when armature 55 contacts with iron core 6, its impact force to armature 55 production then can make slider 52 short distance removal about lever 54 rotation department, decomposes impact force through first buffer spring 58, has protected armature 55, has improved electromagnetic relay's life, keeps dry in making working chamber 4 through dry chamber 21 simultaneously, further improves life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible actuation long-life electromagnetic relay, includes protective housing (1) and cap (3), its characterized in that:

the top surface of the protective shell (1) is of an open structure, the relay shell (2) is sleeved in the protective shell (1), a working cavity (4) is formed in the relay shell (2), the bottom surface in the working cavity (4) is fixedly connected with a bottom table (41), two supports (5) are fixedly connected between the bottom table (41) and the top surface of the working cavity (4), two sliding openings (51) are respectively formed in the two supports (5) at the same horizontal position, two sliding blocks (52) are respectively vertically and slidably connected in the two sliding openings (51), a rotating shaft (53) is fixedly connected between the two sliding blocks (52), and the rotating shaft (53) is rotatably connected with a lever (54);

two direction travelers (56) of perpendicular rigid coupling in sliding opening (51), two direction slide holes (57) are seted up to slider (52) corresponding direction traveller (56) position, direction traveller (56) sliding connection is in direction slide hole (57), it cup joints first buffer spring (58) to lie in the position between slider (52) and sliding opening (51) on direction traveller (56), lever (54) one end bottom surface rigid coupling armature (55), base (41) lie in armature (55) below position rigid coupling iron core (6), coil (61) are twined in the iron core (6) outside.

2. The flexible attraction long-life electromagnetic relay as claimed in claim 1, characterized in that: a sliding hole (59) is vertically formed in one end, far away from the armature (55), of the lever (54), a sliding rod (510) is sleeved in the sliding hole (59) in a sliding mode, the top end and the bottom end of the sliding rod (510) are fixedly connected with two moving contacts (511) respectively, two second buffer springs (512) are fixedly connected between the two moving contacts (511) and the top surface and the bottom surface of the lever (54) respectively, and the second buffer springs (512) are sleeved on the outer side of the sliding rod (510) in a sliding mode.

3. The flexible attraction long-life electromagnetic relay as claimed in claim 2, characterized in that: working chamber (4) bottom surface is located moving contact (511) below position rigid coupling stand (46), stand (46) top surface rigid coupling support column (7), sliding chamber (71) are seted up to support column (7) top surface, sliding sleeve connects sliding column (72) in sliding chamber (71), sliding column (72) top rigid coupling normally closed static contact (73), rigid coupling third buffer spring (74) between sliding column (72) bottom and sliding chamber (71) bottom surface.

4. The flexible attraction long-life electromagnetic relay as claimed in claim 2, characterized in that: work chamber (4) are close to moving contact (511) one side rigid coupling two articulated pieces (42), two rotate between articulated piece (42) and connect diaphragm (43) one end, diaphragm (43) other end bottom surface rigid coupling normally open static contact (45), normally open static contact (45) are located moving contact (511) top, articulated piece (42) and diaphragm (43) rotation junction rigid coupling torsional spring (44).

5. The flexible attraction long-life electromagnetic relay as claimed in claim 1, characterized in that: protection casing (1) top surface four corners department four threads post (11) of rigid coupling, four mounting holes (31) are seted up perpendicularly in cap (3) four corners department, mounting hole (31) and threaded connection nut (12) are passed in thread post (11), relay casing (2) top surface rigid coupling handle (26), cap (3) correspond handle (26) position and set up through-hole (33), handle (26) pass through-hole (33) and are located cap (3) top surface.

6. The flexible attraction long-life electromagnetic relay as claimed in claim 1, characterized in that: inside dry chamber (21) of seting up in relay casing (2) one side, a plurality of baffles (22) of perpendicular rigid coupling in dry chamber (21), relay casing (2) top surface corresponds a plurality of filling tubes (23) of dry chamber (21) position rigid coupling, and is a plurality of filling tube (23) all communicate dry chamber (21), a plurality of through-holes (32) are seted up to corresponding a plurality of filling tube (23) position in cap (3), filling tube (23) tip passes through-hole (32) and cup joints sealing head (24), dry chamber (21) are close to work chamber (4) one side rigid coupling otter board (25).