CN203339073U - Electromagnetic relay - Google Patents

Electromagnetic relay Download PDF

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Publication number
CN203339073U
CN203339073U CN2013203511688U CN201320351168U CN203339073U CN 203339073 U CN203339073 U CN 203339073U CN 2013203511688 U CN2013203511688 U CN 2013203511688U CN 201320351168 U CN201320351168 U CN 201320351168U CN 203339073 U CN203339073 U CN 203339073U
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CN
China
Prior art keywords
hole
pedestal
balance staff
electromagnetic relay
armature
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Expired - Lifetime
Application number
CN2013203511688U
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Chinese (zh)
Inventor
唐坤
付波
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Tyco Electronics Shenzhen Co Ltd
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Tyco Electronics Shenzhen Co Ltd
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Priority to CN2013203511688U priority Critical patent/CN203339073U/en
Application granted granted Critical
Publication of CN203339073U publication Critical patent/CN203339073U/en
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Abstract

The utility model discloses an electromagnetic relay, comprising a pedestal, a static terminal, a dynamic terminal, an operating member, and an electromagnetic control assembly. The static terminal is arranged on the pedestal and extends towards the two sides from the pedestal, and one end of the static terminal is provided with a static contact. The dynamic terminal is arranged on the pedestal and extends towards the two sides from the pedestal, and one end of the dynamic terminal is provided with a dynamic contact. The dynamic terminal and the static terminal are arranged opposite to each other. The end, provided with the dynamic contact, of the dynamic terminal can be arranged far away from or close to the static contact. The lower end of the operating member is rotatably arranged on the pedestal. When the operating member rotates, the operating member drives the dynamic terminal to enable the dynamic contact to contact with or separate from the static contact. The electromagnetic control assembly is mounted on the pedestal and used for driving the operating member to rotate. The electromagnetic relay is characterized in that the pedestal is provided with an axle seat used for supporting the lower end of the operating member and allowing the lower end of the operating member to rotate. The lower end of the operating member is rotatably arranged on the axle seat.

Description

Electromagnetic relay
Technical field
The utility model relates to a kind of electromagnetic relay.
Background technology
The electromagnetic relay structure is various, and wherein a kind of electromagnetic relay structure comprises pedestal, moved end, static terminal, operating parts and electromagnetic control assembly.Static terminal is provided with fixed contact.Moved end is oppositely arranged with static terminal, and both all are arranged on pedestal.Moved end is provided with moving contact; Moving contact and fixed contact are oppositely arranged.Be provided with cavity volume on pedestal, the operating parts lower end is arranged in cavity volume rotationally, and when operating parts rotates, its upper end can drive sub-upper end, moved end to move so that moving contact contacts or separates with fixed contact.Electromagnetic control assembly also is arranged on pedestal, for driving the operating parts motion.The operating parts lower end is provided with balance staff, in the hole of balance staff insertion chamber wall, also can in hole, rotate.But the electromagnetic relay of this structure, its pedestal is usually thinner, not long for the hole axial length of accommodating balance staff.And, in order smoothly the balance staff two ends to be inserted in two holes, the length of balance staff is less than the distance between the outside in two holes usually.But so more reduced the length in the balance staff patchhole, equally namely reduced the length that balance staff can be subject to base supports.Restriction based on this spline structure, can't reliablely and stablely move while causing operating parts to swing, and reduced the performance of electromagnetic relay.
The utility model content
The purpose of this utility model is in order to overcome deficiency of the prior art, and a kind of electromagnetic relay of guaranteeing that operating parts reliablely and stablely rotates is provided.
For realizing above purpose, the utility model is achieved through the following technical solutions:
Electromagnetic relay comprises:
Pedestal;
Static terminal, described static terminal is arranged on described pedestal, and extends to both sides from described pedestal, and wherein an end is provided with fixed contact;
Moved end, described moved end is arranged on described pedestal, and extends to both sides from described pedestal; Wherein an end is provided with moving contact; Described moved end is oppositely arranged with described static terminal; The end that described moved end arranges moving contact can arrange away from fixed contact and near fixed contact ground;
Operating parts, described operating parts lower end is arranged on described pedestal rotationally; When described operating parts rotates, drive described moved end make moving contact with the fixed contact contact or separate;
Electromagnetic control assembly, described electromagnetic control assembly is installed on described pedestal, for driving operating parts, rotates;
It is characterized in that, described pedestal is provided with for support operation part lower end and the axle bed that can allow the operating parts lower end to rotate; Described operating parts lower end is arranged on axle bed rotationally.
Preferably, described operating parts is provided with balance staff; Described pedestal is provided with cavity volume, described cavity volume opening upwards; Described axle bed is arranged at the cavity volume inwall and protrudes from the cavity volume inwall; Described axle bed is provided with the first through hole that allows balance staff to insert; Described balance staff end is inserted in described the first through hole and can rotates in described the first through hole.
Preferably, described pedestal is provided with the second through hole that allows balance staff to insert; Described the second through hole is relative with the first lead to the hole site; Described balance staff end is inserted in described the first through hole and the second through hole and can rotates in described the first through hole and the second through hole.
Preferably, be provided with the second through hole on described pedestal, described the second through hole is relative with described the first lead to the hole site also to be communicated with; Described balance staff end is inserted in described the first through hole, but is not inserted in the second through hole.
Preferably, offer the first opening on described axle bed; Described balance staff can insert in the first through hole from described the first opening.
Preferably, described the first opening and described balance staff interference fit, described the first through hole and described balance staff matched in clearance.
Preferably, described axle bed comprises the axle bed upper wall of the top that is arranged on described the first opening, between described axle bed upper wall and adjacent described pedestal, is provided with gap.
Preferably, described axle bed and described pedestal arrange one-body moldedly.
Preferably, described operating parts comprises plate body; Described plate body both sides are respectively arranged with the first projection and the second projection, and described the first projection is relative with described moved end, and described the second projection is relative with described electromagnetic control assembly.
Preferably, described operating parts comprises plate body and balance staff, and described balance staff is arranged at described plate body lower end, between the end of described balance staff and described plate body, is provided with breach; After described balance staff inserts in described the first through hole, described axle bed upper wall is positioned at described breach.
Preferably, described electromagnetic control assembly comprises movable armature; Drive operating parts during described armature motion, make operating parts drive sub-end, moved end to move to moving contact to contact with fixed contact.
Preferably, on described pedestal, be provided with from the upwardly extending support of pedestal; Described armature is arranged at the support upper end; Described armature top is provided with hook, and described hook is fixed on support; Described hook restriction armature moves up and breaks away from support.
Preferably, described support is provided with containing hole; Described electromagnetic control assembly also comprises iron core, coil and yoke; Iron core is arranged in containing hole, and coil winding is at the support outer peripheral face; Yoke is arranged on described pedestal and from described pedestal and extends upward; Armature is L-type, and armature is overlapped on the yoke upper end and can rotates around overlapped points, and armature one end is positioned at the coil top, and the other end is relative with moved end; After described coil electricity, it attracts armature one end move and then armature is rotated around overlapped points towards coil, and the armature other end drives operating parts to make it drive moved end when armature rotates, and makes moving contact move and move to both contacts towards stationary contact.
Preferably, described hook both sides are respectively arranged with a blade, are provided with the jack matched with blade on described support; Be plugged on described support to described blade and described jack interference fit.
Preferably, be provided with the projection that protrudes from blade on described blade, described projection is inserted in described jack.
Electromagnetic relay in the utility model, increase axle bed support operation part, can guarantee that operating parts reliablely and stablely rotates, thereby can improve the stability of electromagnetic relay running.Utilize hook restriction armature move upward and then can prevent that armature upwards breaks away from pedestal, guarantees the reliable and stable of electromagnetic relay.
The accompanying drawing explanation
Fig. 1 is the electromagnetic relay structural representation in the utility model.
Fig. 2 is the base construction schematic diagram in the utility model.
Fig. 3 A and 3B are the operating parts structural representation in the utility model.
Fig. 4 A and 4B are pedestal and the operating parts engagement process schematic diagram in the utility model.
Fig. 5 is the hook structure schematic diagram in the utility model.
Fig. 6 is that the electromagnetic control assembly in the utility model coordinates schematic diagram with hook.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail:
As shown in Figure 1, electromagnetic relay 100, comprise pedestal 10, static terminal 20, moved end 30, operating parts 40 and electromagnetic control assembly 50.
Static terminal 20 is arranged on pedestal 10, and extends both sides up and down from pedestal 10.The end that static terminal 20 is positioned at pedestal 20 upsides is provided with fixed contact 21.Moved end 30 is arranged on pedestal 10, and extends both sides up and down from pedestal 10.The end that moved end 30 is positioned at pedestal 10 upsides is provided with moving contact 31.Static terminal 20 is oppositely arranged with son 30 positions, moved end.Fixed contact 21 is oppositely arranged with moving contact 31.The end that moved end 30 arranges moving contact 31 can reach near fixed contact 21 ground settings away from fixed contact 21.The end that moved end 30 arranges moving contact 31 both can be set to flexure strip, also a shell fragment can be set again, make in 21 contacts of moving contact 31 and fixed contact or there is elastic force while separating, utilizing this elastic force can make moving contact 31 be in contact with one another with fixed contact 21 or the state that separates is changed.
Operating parts 40 lower ends are arranged on pedestal 10 rotationally.Operating parts 40 is arranged between moved end son 30 and electromagnetic control assembly 50, and can contact with moved end son 30 and electromagnetic control assembly 50.When electromagnetic control assembly 50 drives operating parts 40 1 ends to rotate, it drives moved end 30 make moving contact 31 with fixed contact 21 contacts or separate.
Electromagnetic control assembly 50 is installed on pedestal 10, and is positioned at operating parts 40 1 sides.Electromagnetic control assembly 50 is for driving operating parts 40 to rotate.
As shown in Figure 2, pedestal 10 is provided with cavity volume 11.Cavity volume 11 opening upwards.In cavity volume 11, be provided with for support operation part 40 lower ends and two axle beds 13 that can allow operating parts 40 lower ends to rotate.Two axle beds 13 are spaced, common support operation part 40 lower ends.Each axle bed 13 is arranged at cavity volume 11 inwalls and protrudes from cavity volume 11 inwalls.Axle bed 13 is provided with the first through hole 14.Each axle bed 13 side is provided with the first opening 15.Each axle bed 13 comprises the axle bed upper wall 131 that is arranged on the first opening 15 tops.As shown in FIG., between axle bed upper wall 131 and adjacent susceptors 10, can be provided with gap 132, make axle bed upper wall 131 be cantilever design, be convenient to operating parts 40 is inserted in axle bed 13.Axle bed 13 arranges with pedestal 10 one-body moldedly.
Also can be provided with two the second through holes 16 on pedestal 10.Each second through hole 16 extends to outer wall from the cavity volume inwall.Each second through hole 16 also is communicated with first through hole 14 aligned in position.
Also can be provided with two on pedestal 10 and dodge groove 19.Each is dodged groove 19 and extends to outer wall from cavity volume 11 inwalls.Each is dodged groove 19 and is communicated with one of them second through hole 16.
As Fig. 1, Fig. 3 A, 3B and Fig. 4 A, shown in 4B, operating parts 40 comprises plate body 41 and balance staff 42.It is relative with moved end son 30 that plate body 41 upper ends are provided with the first projection 43, the first projections 43, for driving operation, is positioned at the moving contact 31 on moved end 30.Operating parts 40 plate bodys 41 side relative to armature 53 is provided with the second projection 45, and armature 53 promotes operating parts 40 by the second projection 45.Balance staff 42 is arranged at plate body 41 lower ends, respectively is provided with a breach 44 between balance staff 42 both ends and plate body 41.Balance staff 42 and the first opening 15 interference fit, and with the first through hole 14 and the second through hole 16 matched in clearance.Insert in the first through hole 14 from the first opening 15 balance staff 42 ends, and and then insert in the second through hole 16.Balance staff 42 ends are inserted in the first through hole 14 and the second through hole 16; And can be in the first through hole 14 and the interior rotation of the second through hole 16.After balance staff 42 insertion the first through holes 14 and the second through hole 16 are interior, axle bed 13 upper walls are positioned at breach 44.
In another embodiment, balance staff 42 ends are inserted in the first through hole 14, but are not inserted in the second through hole 16.
As shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 6, on pedestal 10, be provided with from the upwardly extending support 17 of pedestal 10, support 17 is provided with containing hole 18.Support 17 can be one-body molded with pedestal 10.
Electromagnetic control assembly 50 comprises iron core (not shown), coil 51, yoke 52 and armature 53.Iron core is arranged in containing hole 18.Coil 51 is wrapped in support 17 outer peripheral faces, around the iron core setting.Coil 51 is connected with two binding posts 55.By two binding posts 55, can be coil 51 power supplies.Yoke 52 is arranged on described pedestal 10 and from described pedestal 10 and extends upward.Armature 53 is L-type, is arranged on support 17 upper ends.Armature 53 middle parts are overlapped on yoke 52 upper ends, and armature 53 1 ends are positioned at coil 51 tops, and the other end is relative with moved end son 20.Armature 53 can rotate around overlapped points P.After coil 51 energisings, its end that attracts armature 53 to be positioned at top moves and then armature 53 is rotated around overlapped points P towards coil 51; Armature 53 other ends drive operating parts 40 when armature 53 rotates, and then make its moving contact 31 that drives moved end 30 move to both contacts towards fixed contact 21.Armature 53 tops are provided with hook 54.As shown in Figure 5, link up with and 54 comprise body 541, be arranged at the blade 542 of body both sides and be arranged at the shell fragment 543 of body front end.Blade 542 and shell fragment 543 all from body 541 to downward-extension.Be provided with the projection 544 that protrudes from blade 542 on blade 542.Be provided with the jack 171 matched with blade 542 on support 17.Be plugged on support 17 to blade 541 and jack 171 interference fit, projection 544 is positioned at jack 171.Hook 54 can limit armature 53 and moves up and break away from support 17.
As shown in Figure 4 A and 4 B shown in FIG., during installation, first operating parts 40 lower ends are inserted in cavity volume 11, and the two ends that make balance staff 42 are over against the first opening 15 (seeing Fig. 4 A) on axle bed 13.Balance staff 42 1 ends first insert in first through hole 14 and the second through hole 16 of pedestal 10 1 sides, and utilize the strain of pedestal balance staff 42 other ends to be inserted in first through hole 14 and the second through hole 16 of opposite side again.Two axle beds 13 and two the second through holes 16 support respectively balance staff 42 two ends.Because balance staff 42 and the first opening 15 interference fit, balance staff 42 two ends are limited in the first through hole 14.Again, balance staff 42 and the first through hole 14 and the second through hole 16 matched in clearance, balance staff 42 ends can be in the first through hole 14 and the interior rotation of the second through hole 16.In another embodiment, balance staff 42 ends are inserted in the first through hole 14, but are not inserted in the second through hole 16.
Upper and lower, upper end in the utility model, lower end, front end, rear end are relative concept.
Electromagnetic relay in the utility model, increased the balance staff of axle bed for the support operation part, increased the bearing length to balance staff, can guarantee that operating parts reliablely and stablely moves.Axle bed arranges the first opening, and balance staff and the first opening interference fit, coordinate with the first through hole and the second via clearance, both guaranteed the flexible rotating of balance staff in the first through hole and the second through hole, can prevent that again balance staff breaks away from axle bed and pedestal, thereby can improve the stability of operating parts.Operating parts arranges breach and makes the axle bed upper wall be positioned at indentation, there, can make operating parts rotate in the stroke limited.Groove is dodged in setting, can easily balance staff be inserted in the second through hole, easier for installation.Utilize hook restriction armature move up and break away from pedestal, can prevent that armature breaks away from pedestal, thereby guarantee that the utility model use procedure is stable, reliable.
Balance staff in the utility model also can adopt two, and two balance staffs are separately positioned on both sides, plate body lower end.
Embodiment in the utility model, only for the utility model is described, does not form the restriction to the claim scope, and other substituting of being equal in fact that those skilled in that art can expect, all in the utility model protection range.

Claims (15)

1. electromagnetic relay comprises:
Pedestal;
Static terminal, described static terminal is arranged on described pedestal, and extends to both sides from described pedestal, and wherein an end is provided with fixed contact;
Moved end, described moved end is arranged on described pedestal, and extends to both sides from described pedestal; Wherein an end is provided with moving contact; Described moved end is oppositely arranged with described static terminal; The end that described moved end arranges moving contact can arrange away from fixed contact and near fixed contact ground;
Operating parts, described operating parts lower end is arranged on described pedestal rotationally; When described operating parts rotates, it drives described moved end make moving contact with the fixed contact contact or separate;
Electromagnetic control assembly, described electromagnetic control assembly is installed on described pedestal, for driving operating parts, rotates;
It is characterized in that, described pedestal is provided with for support operation part lower end and the axle bed that can allow the operating parts lower end to rotate; Described operating parts lower end is arranged on axle bed rotationally.
2. electromagnetic relay according to claim 1, is characterized in that, described operating parts is provided with balance staff; Described pedestal is provided with cavity volume, described cavity volume opening upwards; Described axle bed is arranged at the cavity volume inwall and protrudes from the cavity volume inwall; Described axle bed is provided with the first through hole that allows balance staff to insert; Described balance staff end is inserted in described the first through hole and can rotates in described the first through hole.
3. electromagnetic relay according to claim 2, is characterized in that, described pedestal is provided with the second through hole that allows balance staff to insert; Described the second through hole is relative with the first lead to the hole site; Described balance staff end is inserted in described the first through hole and the second through hole and can rotates in described the first through hole and the second through hole.
4. electromagnetic relay according to claim 2, is characterized in that, is provided with the second through hole on described pedestal, and described the second through hole is relative with described the first lead to the hole site also to be communicated with; Described balance staff end is inserted in described the first through hole, but is not inserted in the second through hole.
5. electromagnetic relay according to claim 2, is characterized in that, offers the first opening on described axle bed; Described balance staff can insert in the first through hole from described the first opening.
6. electromagnetic relay according to claim 5, is characterized in that, described the first opening and described balance staff interference fit, described the first through hole and described balance staff matched in clearance.
7. electromagnetic relay according to claim 5, is characterized in that, described axle bed comprises the axle bed upper wall of the top that is arranged on described the first opening, between described axle bed upper wall and adjacent described pedestal, is provided with gap.
8. electromagnetic relay according to claim 2, is characterized in that, described operating parts comprises plate body and balance staff, and described balance staff is arranged at described plate body lower end, between the end of described balance staff and described plate body, is provided with breach; After described balance staff inserts in described the first through hole, described axle bed upper wall is positioned at described breach.
9. electromagnetic relay according to claim 1, is characterized in that, described axle bed and described pedestal arrange one-body moldedly.
10. electromagnetic relay according to claim 1, is characterized in that, described operating parts comprises plate body; Described plate body both sides are respectively arranged with the first projection and the second projection, and described the first projection is relative with described moved end, and described the second projection is relative with described electromagnetic control assembly.
11. electromagnetic relay according to claim 1, is characterized in that, described electromagnetic control assembly comprises movable armature; Drive operating parts during described armature motion, make operating parts drive sub-end, moved end to move to moving contact to contact with fixed contact.
12. electromagnetic relay according to claim 11, is characterized in that, is provided with on described pedestal from the upwardly extending support of pedestal; Described armature is arranged at the support upper end; Described armature top is provided with hook, and described hook is fixed on support; Described hook restriction armature moves up and breaks away from support.
13. electromagnetic relay according to claim 12, is characterized in that, described support is provided with containing hole; Described electromagnetic control assembly also comprises iron core, coil and yoke; Iron core is arranged in containing hole, and coil winding is at the support outer peripheral face; Yoke is arranged on described pedestal and from described pedestal and extends upward; Armature is L-type, and armature is overlapped on the yoke upper end and can rotates around overlapped points, and armature one end is positioned at the coil top, and the other end is relative with moved end; After described coil electricity, it attracts armature one end move and then armature is rotated around overlapped points towards coil, and the armature other end drives operating parts to make it drive moved end when armature rotates, and makes moving contact move and move to both contacts towards stationary contact.
14. electromagnetic relay according to claim 12, is characterized in that, described hook both sides are respectively arranged with a blade, are provided with the jack matched with blade on described support; Be plugged on described support to described blade and described jack interference fit.
15. electromagnetic relay according to claim 14, is characterized in that, is provided with the projection that protrudes from blade on described blade, described projection is inserted in described jack.
CN2013203511688U 2013-06-18 2013-06-18 Electromagnetic relay Expired - Lifetime CN203339073U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013203511688U CN203339073U (en) 2013-06-18 2013-06-18 Electromagnetic relay

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Application Number Priority Date Filing Date Title
CN2013203511688U CN203339073U (en) 2013-06-18 2013-06-18 Electromagnetic relay

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Publication Number Publication Date
CN203339073U true CN203339073U (en) 2013-12-11

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CN2013203511688U Expired - Lifetime CN203339073U (en) 2013-06-18 2013-06-18 Electromagnetic relay

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104616934A (en) * 2015-01-14 2015-05-13 宁波世通电子科技有限公司 Sensitive miniature relay
CN107924792A (en) * 2015-12-11 2018-04-17 欧姆龙株式会社 Relay

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104616934A (en) * 2015-01-14 2015-05-13 宁波世通电子科技有限公司 Sensitive miniature relay
CN107924792A (en) * 2015-12-11 2018-04-17 欧姆龙株式会社 Relay
CN107924792B (en) * 2015-12-11 2020-04-03 欧姆龙株式会社 Relay with a movable contact

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GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20131211

CX01 Expiry of patent term