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CN-224217442-U - Relay device

CN224217442UCN 224217442 UCN224217442 UCN 224217442UCN-224217442-U

Abstract

The utility model discloses a relay which comprises a shell, a framework, a driving system and a contact system, wherein a first retaining wall is arranged on the inner wall of the shell, the framework is arranged in the shell, the driving system is arranged on the framework and comprises a coil, a yoke, an armature and a separation frame, a second retaining wall is arranged on the separation frame, the second retaining wall and the first retaining wall are arranged in parallel along the X direction, the contact system is arranged on the framework and comprises a movable spring module and a static spring module which can be mutually attracted or disconnected along the Z direction, and the second retaining wall and the first retaining wall are arranged between a first end pin and a second end pin. According to the relay provided by the utility model, the first retaining wall and the second retaining wall are blocked between the first end pin of the coil and the second end pin of the movable reed, so that the creepage distance between the first end pin and the second end pin is increased, and the pressure resistance and the use safety of the whole relay are further improved.

Inventors

  • ZHOU JIYUAN
  • LIU ZHENWEI
  • SHI JUNXU
  • ZHANG SHAOJUN
  • Ye Zuhao
  • Qin Zuchao
  • QIN RONGJIANG

Assignees

  • 东莞三友汽车电器有限公司

Dates

Publication Date
20260508
Application Date
20250312

Claims (9)

  1. 1. Relay (100), characterized by comprising: the device comprises a shell (10), wherein a first retaining wall (11) is arranged on the inner wall of the shell (10); A skeleton (20) provided in the housing (10); The driving system (30) is arranged on the framework (20), the driving system (30) comprises a coil (31), a yoke (32), an armature (33) and a separation frame (34), the coil (31) is wound on the framework (20), the coil (31) is provided with a first end pin (311), the separation frame (34) is arranged between the framework (20) and the yoke (32), the armature (33) swings relative to the yoke (32), a second retaining wall (341) is arranged on the separation frame (34), and the second retaining wall (341) and the first retaining wall (11) are arranged in parallel along the X direction; The contact system (40) is arranged on the framework (20) and comprises a movable spring module (41) and a static spring module (42) which can be mutually attracted or disconnected along the Z direction, the movable spring module (41) is arranged on the yoke (32) and comprises a movable spring (411) and a movable contact (412) arranged on the movable spring (411), the movable spring (411) is provided with a second end pin (4111), and the static spring module (42) is arranged on the framework (20) and comprises a static spring (421) and a static contact (422) arranged on the static spring (421); Wherein the second retaining wall (341) and the first retaining wall (11) are disposed between the first end leg (311) and the second end leg (4111); the framework (20) comprises a first installation part (21), a rod part (22) and a second installation part (23) along the Z direction, the rod part (22) is connected between the first installation part (21) and the second installation part (23), the coil (31) is wound outside the rod part (22), the static reed (421) is installed on the second installation part (23), one end, far away from the coil (31), of the first installation part (21) is provided with a third retaining wall (211), and/or one end, far away from the second installation part (23), of the isolation frame (34) is provided with a fourth retaining wall (342), and the third retaining wall (211) and the fourth retaining wall (342) are arranged on the side of the yoke (32) along the Y direction.
  2. 2. The relay (100) according to claim 1, wherein the first mounting portion (21) is provided with the third retaining wall (211) and the spacer (34) is provided with a fourth retaining wall (342), and the third retaining wall (211) and the fourth retaining wall (342) are joined end to end.
  3. 3. The relay (100) according to claim 1 or 2, wherein the movable contact spring (411) comprises a first connecting portion (4112), a second connecting portion (4113) and a clamping portion (4114), the first connecting portion (4112) and the second connecting portion (4113) are arranged at an included angle, the clamping portion (4114) and the first connecting portion (4112) are arranged at an included angle, the first connecting portion (4112) is connected to the yoke (32), the second connecting portion (4113) is used for installing the movable contact (412) and is connected to the armature (33), a clamping block (323) is arranged on the yoke (32), and the clamping portion (4114) is clamped on the clamping block (323).
  4. 4. The relay (100) according to claim 3, wherein the clamping portion (4114) is provided with a clamping hole (4115), and the clamping block (323) is inserted into the clamping hole (4115) and is clamped on a hole wall of the clamping hole (4115).
  5. 5. Relay (100) according to claim 1 or 2, characterized in that, along the X-direction, the first retaining wall (11) is arranged between the skeleton (20) and the second retaining wall (341).
  6. 6. Relay (100) according to claim 1 or 2, characterized in that, The contact system (40) comprises two static spring modules (42), namely a first static spring module and a second static spring module, wherein the first static spring module comprises a first static spring plate and a normally open static contact arranged on the first static spring plate, and the second static spring module comprises a second static spring plate and a normally closed static contact arranged on the second static spring plate; The framework (20) is provided with a fifth retaining wall (25) along at least one side of the Y direction, the fifth retaining wall (25) is positioned between the first static reed and the second static reed, and along the Z direction, the projection of the fifth retaining wall (25) on the reference plane is not intersected with the projection of the first static reed and the second static reed on the reference plane.
  7. 7. The relay (100) according to claim 6, wherein the frame (20) is provided with a clamping groove (24), and the first static reed and the second static reed are respectively clamped in the clamping groove (24).
  8. 8. The relay (100) according to claim 7, wherein, The framework (20) is provided with mounting structures (26) on two opposite side walls along the Y direction, the clamping grooves (24) are formed between the mounting structures (26) and the framework (20), and the fifth retaining wall (25) is connected with the mounting structures (26), or the clamping grooves (24) are formed between the fifth retaining wall (25) and the framework (20).
  9. 9. The relay (100) according to claim 8, wherein the mounting structure (26) comprises a connecting rib (261) and a supporting rib (262) arranged on the connecting rib (261), the fifth retaining wall (25) is connected to the connecting rib (261), the supporting rib (262) and the fifth retaining wall (25) are arranged in parallel and separated, and the connecting rib (261), the supporting rib (262) and the framework (20) are jointly surrounded to form the clamping groove (24).

Description

Relay device Technical Field The utility model relates to the technical field of relays, in particular to a relay. Background The relay is an automatic switching element for driving a mechanical component to move by utilizing electromagnetic force, and generally comprises a base, a magnetic circuit part, a movable contact group and a static contact group, wherein the magnetic circuit part, the movable contact group and the static contact group are arranged on the base, and the magnetic circuit part generates electromagnetic force when being electrified so as to drive the movable contact group and the static contact group to be closed or opened. Along with the development of miniaturization of electromagnetic relays, the electromagnetic relays are required to meet the requirement of small volume, and meanwhile, the electromagnetic relays are required to have high-power characteristics, the distance between the coil and the yoke can be very close, so that the creepage distance between the coil and the yoke is short, the risk of breakdown exists, and the safety performance of use is poor. Disclosure of utility model To solve at least one of the problems in the prior art described above, according to one aspect of the present utility model, there is provided a relay comprising: the inner wall of the shell is provided with a first retaining wall; The framework is arranged in the shell; The driving system is arranged on the framework and comprises a coil, a yoke, an armature and an isolation frame, wherein the coil is wound on the framework and is provided with a first end pin, the isolation frame is arranged between the framework and the yoke, the armature swings relative to the yoke, the isolation frame is provided with a second retaining wall, and the second retaining wall and the first retaining wall are arranged in parallel along the X direction; The contact system is arranged on the framework and comprises a movable spring module and a static spring module which can be mutually attracted or disconnected along the Z direction, the movable spring module is arranged on the yoke and comprises a movable spring and a movable contact arranged on the movable spring, the movable spring is provided with a second end pin, and the static spring module is arranged on the framework and comprises a static spring and a static contact arranged on the static spring; The second retaining wall and the first retaining wall are arranged between the first end pin and the second end pin. In some embodiments, the skeleton includes first installation department, connecting portion and second installation department along the Z direction, connecting portion connect in first installation department with between the second installation department, the coil is around locating outside the connecting portion, quiet reed install in the second installation department, first installation department keep away from the one end of coil is equipped with the third barricade, and/or the spacer frame is kept away from the one end of second installation department is equipped with the fourth barricade, the third barricade with the fourth barricade is located along the Y direction the side of yoke. In some embodiments, the first mounting portion is provided with the third retaining wall and the isolation frame is provided with a fourth retaining wall, and the third retaining wall and the fourth retaining wall are connected end to end. In some embodiments, the movable contact spring comprises a first connecting portion, a second connecting portion and a clamping portion, the first connecting portion and the second connecting portion are arranged in an included angle mode, the clamping portion and the first connecting portion are arranged in an included angle mode, the first connecting portion is connected to the yoke, the second connecting portion is used for installing the movable contact, and is connected to the armature, a clamping block is arranged on the yoke, and the clamping portion is clamped on the clamping block. In some embodiments, the clamping portion is provided with a clamping hole, and the clamping block penetrates through the clamping hole and is clamped on the wall of the clamping hole. In some embodiments, the first retaining wall is disposed between the framework and the second retaining wall along the X-direction. In some embodiments, the contact system comprises two static spring modules, namely a first static spring module and a second static spring module, wherein the first static spring module comprises a first static spring plate and a normally open static contact arranged on the static spring plate, and the second static spring module comprises a second static spring plate and a normally closed static contact arranged on the static spring plate; The framework is provided with a fifth retaining wall along at least one side of the Y direction, the fifth retaining wall is positioned between the first static reed and the second