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CN-115472468-B - Push rod structure for push rod type electromagnetic relay

CN115472468BCN 115472468 BCN115472468 BCN 115472468BCN-115472468-B

Abstract

The invention discloses a push rod structure for a push rod type electromagnetic relay, which belongs to the technical field of electromagnetic relays and comprises a sliding type electromagnetic relay mechanism, wherein the sliding type electromagnetic relay mechanism comprises a base and an outer shell, a mounting block is arranged in the outer shell, an iron core and a spiral coil are arranged in a groove at the upper side of the mounting block, a yoke is arranged at one side close to the iron core, a mounting groove is arranged at the upper side of the yoke, a push rod driving mechanism is arranged above the yoke, and the lower end of a compression rod in the push rod driving mechanism is movably connected with the mounting groove.

Inventors

  • TANG JIAAN
  • Liao Gonglong
  • FU BO

Assignees

  • 中汇瑞德电子（芜湖）有限公司

Dates

Publication Date
20260505
Application Date
20220930

Claims (7)

  1. 1. The utility model provides a push rod structure for push rod electromagnetic relay, includes sliding electromagnetic relay mechanism (1), its characterized in that, sliding electromagnetic relay mechanism (1) includes base (11) and shell body (12), shell body (12) are located base (11) upper surface, be provided with installation piece (13) in shell body (12), installation piece (13) outer wall downside and base (11) upside interconnect, be provided with iron core (14) in the recess of installation piece (13) upside to and coil (141) of winding shaping on iron core (14), be close to iron core (14) one side is provided with yoke (15), yoke (15) are located installation piece (13) upper surface one side, yoke (15) upside is provided with mounting groove (151), just be provided with first spring (16) in mounting groove (151), yoke (15) top is provided with push rod actuating mechanism (2), push rod actuating mechanism (2) include L shape armature (21) and supporting shoe (23), L shape armature (21) side is the horizontal compression bar (22) and is connected between compression bar (151) and lower side; Two first static brackets (17) and two second static brackets (18) are arranged on one side of the upper surface of a base (11) in the sliding electromagnetic relay mechanism (1), and a movable bracket (19) positioned between the first static brackets (17) and the second static brackets (18), each first static bracket (17) is provided with a first static end piece (171), one side of each first static end piece (171) close to the movable bracket (19) is provided with a first static contact (172), each second static bracket (18) is provided with a second static end piece (181), one side of each second static end piece (181) close to the movable bracket (19) is provided with a second static contact (182), two movable end pieces (191) are arranged on the movable bracket (19), two movable end pieces (191) are connected, two sides of each movable end piece (191) are provided with movable contacts (192), two limit sliding blocks (193) are arranged at the bottom of the movable bracket (19), and each limit sliding block (193) is connected with a limit sliding chute (194) on the base (11); The utility model discloses a push rod driving mechanism, including L shape armature (21), push rod driving mechanism (2), including L shape armature (21), connecting rod (24) are provided with rectangular opening (211) in the vertical part downside of L shape armature (21), rectangular opening (211) inner wall upside is provided with connecting rod (24), connecting rod (24) lower extreme is provided with first trapezoidal piece (25), and first trapezoidal piece (25) are located the opening part of supporting piece (23), be provided with standing groove (232) in supporting piece (23), swing joint has push rod (26) in standing groove (232), push rod (26) one end is connected with movable support (19) one side, be provided with second spring (261) on push rod (26) to stopper (262) of second spring (261) one end, stopper (262) set up on push rod (26), the other end of push rod (26) is provided with connecting block (27), be provided with second trapezoidal piece (28) on connecting block (27).
  2. 2. The push rod structure for the push rod type electromagnetic relay according to claim 1, wherein rectangular sliding blocks (271) are arranged on two sides of the outer wall of the connecting block (27), each rectangular sliding block (271) is slidably connected with a rectangular sliding groove (233), and the two rectangular sliding grooves (233) are respectively arranged on two sides of the inner wall of the supporting block (23).
  3. 3. The push rod structure for the push rod type electromagnetic relay according to claim 2, wherein two threaded seats (29) are arranged at the lower position of the bottom of the supporting block (23), the lower sides of the threaded seats (29) are connected with the base (11) through bolts, the threaded seats (29) are connected with threaded columns (291) in a meshed mode and nuts (292) on the threaded columns (291), and the upper ends of the threaded columns (291) are connected with the lower sides of the outer walls of the supporting block (23) in a meshed mode.
  4. 4. A push rod structure for a push rod electromagnetic relay according to claim 1, wherein the lower end of each of the first stationary support (17) and the second stationary support (18) is provided with a first insert (4) and a second insert (5), respectively, and the first insert (4) and the second insert (5) each pass through an opening in the base (11).
  5. 5. A push rod structure for a push rod type electromagnetic relay according to claim 3, wherein right angle frames (231) are provided at both edge positions on one side of the outer wall of the supporting block (23), and each right angle frame (231) is connected with the outer wall of the yoke (15) by bolts.
  6. 6. A push rod structure for a push rod type electromagnetic relay according to claim 1, characterized in that both ends of the spiral coil (141) are provided with pin members (3).
  7. 7. A push rod structure for a push rod electromagnetic relay according to claim 4, characterized in that the base (11) and the outer casing (12) are connected by bolts.

Description

Push rod structure for push rod type electromagnetic relay Technical Field The invention mainly relates to the technical field of electromagnetic relays, in particular to a push rod structure for a push rod type electromagnetic relay. Background An electromagnetic relay is an electronic control device, which has a control system (also called an input loop) and a controlled system (also called an output loop), is commonly applied to an automatic control circuit, and is actually an automatic switch for controlling high voltage and strong current by switching on and off of a low voltage and weak current circuit, so that the electromagnetic relay plays roles of automatic regulation, safety protection, a switching circuit and the like in the circuit, wherein a push rod structure is used for pushing a movable reed, so that a movable contact on the movable reed is contacted with a static contact on the static reed, and an electrified loop is formed. In the push rod structure for push rod type electromagnetic relay that exists today, for example in the technical structure of application number CN202122312460.6 application, the quiet spring structure mainly comprises quiet spring subassembly and reposition of redundant personnel piece, in electromagnetic relay's application structure, the reposition of redundant personnel piece is arranged in quiet spring subassembly one side of moving spring subassembly in opposite directions, the confluence end and the quiet spring subassembly electricity of reposition of redundant personnel piece are in the same place, quiet spring subassembly forms clearance fit with the drainage end of reposition of redundant personnel piece before the contact overtravel state, quiet spring subassembly forms contact fit with the drainage end of reposition of redundant personnel piece in the contact overtravel state, the promotion structure in this relay is through promoting the deformation of moving spring subassembly for two contacts contact, constitute the return circuit, however, moving reed long-term deformation can cause fatigue, break the damage easily, and in the in-process of installation, to the deformation drive moving contact's of moving spring operation orbit, the installation difficulty, otherwise after moving reed deformation, moving contact can't just contact with quiet contact, and moving long-term deformation wear, also can cause the circumstances that the deviation appears in the time to dock, can't normally use, certain potential safety hazard exists. Disclosure of Invention The technical scheme of the invention aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly mainly provides a push rod structure for a push rod type electromagnetic relay, which is used for solving the technical problem in the prior art. The technical scheme adopted for solving the technical problems is as follows: The utility model provides a push rod structure for push rod type electromagnetic relay, includes slidingtype electromagnetic relay mechanism, slidingtype electromagnetic relay mechanism includes base and shell body, the shell body is located the base upper surface, be provided with the installation piece in the shell body, installation piece outer wall downside and base upside interconnect, be provided with the iron core in the recess of installation piece upside to and winding fashioned helical coil on the iron core, be close to iron core one side is provided with the yoke, and the yoke is located installation piece upper surface one side, the yoke upside is provided with the mounting groove, just be provided with first spring in the mounting groove, the yoke top is provided with push rod actuating mechanism, push rod actuating mechanism includes L shape armature and supporting shoe, the horizontal part downside of L shape armature is provided with the depression bar, is swing joint between depression bar lower extreme and the mounting groove; Two first static supports and two second static supports are arranged on one side of the upper surface of a base in the sliding electromagnetic relay mechanism, and a movable support is arranged between the first static supports and the second static supports, each first static support is provided with a first static end piece, one side of each first static end piece, which is close to the movable support, is provided with a first static contact, each second static end piece, one side of each second static end piece, which is close to the movable support, is provided with a second static contact, two movable end pieces are arranged on the movable support, the two movable end pieces are connected, each movable end piece is provided with a movable contact, the bottom of the movable support is provided with two limit sliding blocks, each limit sliding block is connected with a limit sliding groove in a sliding mode, and the limit sliding groove is arranged on th