CN203521333U - Pushing mechanism of magnetic latching relay - Google Patents

Pushing mechanism of magnetic latching relay Download PDF

Info

Publication number
CN203521333U
CN203521333U CN201320615761.9U CN201320615761U CN203521333U CN 203521333 U CN203521333 U CN 203521333U CN 201320615761 U CN201320615761 U CN 201320615761U CN 203521333 U CN203521333 U CN 203521333U
Authority
CN
China
Prior art keywords
pushing block
moving spring
block
installation portion
pushing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201320615761.9U
Other languages
Chinese (zh)
Inventor
钟叔明
何仲波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Hongfa Electric Power Controls Co Ltd
Original Assignee
Xiamen Hongfa Electric Power Controls Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiamen Hongfa Electric Power Controls Co Ltd filed Critical Xiamen Hongfa Electric Power Controls Co Ltd
Priority to CN201320615761.9U priority Critical patent/CN203521333U/en
Application granted granted Critical
Publication of CN203521333U publication Critical patent/CN203521333U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Landscapes

  • Electromagnets (AREA)

Abstract

The utility model discloses a pushing mechanism of a magnetic latching relay. The pushing mechanism comprises a pushing block, a first cooperation part which is used for cooperating with the pushing block in an armature part and a second cooperation part which is used for cooperating with the pushing block in an active spring part. The pushing block is provided with a first installation part used for installing the first cooperation part of the armature part and a second installation part used for installing the second cooperation part of the active spring. a first stopper is arranged in the first installation part of the pushing block. The fist stopper fits with the first cooperation part of the armature part to prevent the pushing block from moving away from a contact. A second stopper is disposed in the second installation part of the pushing block. The second stopper fits with the second cooperation part of the active spring part to prevent the pushing block from moving towards the contact. According to the utility model, stable limiting of the pushing block is realized; defects caused by a traditional interference clamping mode and a limit clamping mode are avoided; and reliability of the product is raised effectively.

Description

The pushing mechanism of magnetic latching relay
Technical field
The utility model relates to a kind of magnetic latching relay, particularly relates to a kind of pushing mechanism of magnetic latching relay.
Background technology
The structure of existing magnetic latching relay is comprised of magnetic circuit system, contact system, pushing mechanism and pedestal.Magnetic circuit system is generally comprised of the magnetic circuit of two almost symmetries, comprise static magnetic conductor parts, movable magnetic conductor parts and coil, contact system comprises moving spring part, quiet spring part, pushing mechanism comprises and in pushing block and moving spring part, is used for being used in the part that matches with pushing block and armature part the part that matches with pushing block, wherein, in armature part, be used for the normally dop of armature part of the part that matches with pushing block, and in moving spring part, be used for the normally kink of moving spring end of the part that matches with pushing block.Relay coil leads to direct impulse voltage, magnetic circuit system work, and pushing block promotes moving spring part, makes contact contact, the actuating of relay, coil leads to reverse impulse voltage, magnetic circuit system work, pushing block promotes moving spring part, contact is disconnected, relay involution.
The pushing mechanism of the magnetic latching relay of prior art is that pushing block is normally directly installed in moving spring part and armature part, realize the propagation function of armature partial dislocation, and generally in clamping process adopt limit-type clamp or interference clamps mode, wherein limit-type clamp can not be very stable realize the spacing of pushing block, moving or be subject under External Force Acting, pushing block easily twists, and causes parametric stability poor; Interference clamps and often there will be soft flocks and the problem such as easily come off, and the soft flocks of appearance and the pushing block problem of coming off have a strong impact on the reliability of relay.
Utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of pushing mechanism of magnetic latching relay is provided, by the improvement to the structure of pushing block, and utilize cooperatively interacting between pushing block and moving spring part, armature part, realized stablizing of pushing block spacing, can either avoid traditional interference to clamp appearance soft flocks and caducous drawback that mode is brought, can avoid again that tradition is limit-type to be clamped the pushing block that mode causes and easily twist, cause the poor drawback of parametric stability, effectively improved the reliability of product.
The utility model solves the technical scheme that its technical problem adopts: a kind of pushing mechanism of magnetic latching relay, comprises the second auxiliary section that is used for matching with pushing block in the first auxiliary section of being used for matching with pushing block in pushing block, armature part and moving spring part; Described pushing block is provided with for packing first installation portion and the second installation portion that is used for packing into moving spring the second auxiliary section partly of the first auxiliary section of armature part into; In the first installation portion of described pushing block, be provided with the first block, this first block matches to stop pushing block to move to the direction away from contact with the first auxiliary section of armature part; In the second installation portion of described pushing block, be provided with the second block, this second block matches to stop pushing block to move to the direction near contact with the second auxiliary section of moving spring part.
Between the first auxiliary section of the first block of the first installation portion of described pushing block and armature part, be provided with the first preset gap to be used for mating pushing block along the shifting amount of direction initialization, between the second block of the second installation portion of described pushing block and moving spring the second auxiliary section partly, be provided with the second preset gap to be used for mating pushing block along the shifting amount of direction initialization.
The second installation portion in described pushing block is at least two, and is located at respectively the both sides of the oscillation center line of armature part.
The second installation portion in described pushing block is at least three, and be located at respectively the both sides of pushing block moving direction, and to make the contact point of both sides the second installation portion and moving spring part be zero with respect to armature part to the moment sum of the application point of the first installation portion of pushing block.
The first auxiliary section of described armature part is dop, the first installation portion of described pushing block is the first penetrating draw-in groove, in described the first draw-in groove, near affixed two first blocks of notch place difference of contact one side, two first blocks match to stop pushing block to move to the direction away from contact with the dop of armature part.
The second auxiliary section of described moving spring part is moving spring end, the second installation portion of described pushing block is the second penetrating draw-in groove, in described the second draw-in groove, away from affixed second block in notch place of contact one side, this piece second block matches to stop pushing block to move to the direction near contact with the moving spring end of moving spring part.
The outside cell wall of the second described draw-in groove is made as the moving spring end of being convenient to moving spring part along the opening that is parallel to the second block and packs into draw-in groove, between the inner side cell wall of the second described draw-in groove and the side of moving spring end, is provided with preset third space to be used for mating pushing block along the shifting amount of direction initialization.
The side of described moving spring end is provided with bending.
The opening part of the second described draw-in groove is provided with the inclined-plane packing into for guiding moving spring end.
From above-mentioned, to description of the present utility model, compared with prior art, the utlity model has following beneficial effect:
1, the utility model adopts and be provided with the first block in the first installation portion of pushing block, in the second installation portion of pushing block, be provided with the second block, utilize the first block to match to stop pushing block to move to the direction away from contact with the first auxiliary section of armature part, utilize the second block and the second auxiliary section of moving spring part to match to stop pushing block to move to the direction near contact, by pushing block and moving spring part, cooperatively interacting between armature part, can realize stablizing of pushing block spacing, both avoided traditional interference to clamp appearance soft flocks and caducous drawback that mode is brought, having avoided again traditional limit-typely clamps the pushing block that mode causes and easily twists, cause the poor drawback of parametric stability.
2, the utility model employing is provided with the first preset gap between the first block of the first installation portion of pushing block and the first auxiliary section of armature part, between the second block of the second installation portion of pushing block and the second auxiliary section of moving spring part, be provided with the second preset gap, above-mentioned gap has determined the shifting amount of pushing block at fore-and-aft direction.
3, the utility model adopts the second installation portion in pushing block is made as at least three, and be located at respectively the both sides of pushing block moving direction, and to make the contact point of both sides the second installation portion and moving spring part be zero with respect to armature part to the moment sum of the application point of the first installation portion of pushing block, like this, can avoid the twisting causing because of both sides (being the both sides of pushing block moving direction) moment unbalance in course of action, thereby effectively improve the stability of product.
4, the utility model has adopted between the inner side of the second draw-in groove cell wall and the side of moving spring end and has been provided with preset third space, one side is carried out spacing to pushing block above-below direction by the second auxiliary section of the moving spring part of both sides (being the both sides of pushing block moving direction), utilize on the other hand third space to determine that pushing block is in the shifting amount of above-below direction.
5, the utility model has adopted the side at moving spring end to be provided with bending, and pushing block can be avoided when transmission and moving spring scraping generation soft flocks in this bending angle.
6, the utility model adopts the outside cell wall of the second draw-in groove is made as to opening, and is provided with inclined-plane at opening part, like this, can allow the second block and moving spring to pack direction into parallel, and leave movement clearance, in assembling, time can not produce soft flocks, guiding when inclined-plane is convenient to moving spring and is packed into.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But the pushing mechanism of a kind of magnetic latching relay of the present utility model is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is the organigram that adopts magnetic latching relay of the present utility model;
Fig. 2 is the vertical view of magnetic latching relay shown in Fig. 1;
Fig. 3 is the front view of pushing block of the present utility model;
Fig. 4 is the cutaway view along A-A line in Fig. 3;
Fig. 5 is the D structure schematic diagram of pushing block of the present utility model;
Fig. 6 is the D structure schematic diagram of pushing block of the present utility model (angle of overturning);
Fig. 7 is the D structure schematic diagram of armature part of the present utility model;
Fig. 8 is the D structure schematic diagram of moving spring part of the present utility model;
Fig. 9 is the D structure schematic diagram that pushing block of the present utility model partly matches with armature;
Figure 10 is the D structure schematic diagram that pushing block of the present utility model partly matches with moving spring;
Figure 11 is partly the match front view of state of pushing block of the present utility model and moving spring;
Figure 12 is front view of the present utility model;
Figure 13 is the cutaway view along B-B line in Figure 12;
Figure 14 is the enlarged diagram of the C portion in Figure 13;
Figure 15 is spacing principle schematic of the present utility model.
Embodiment
Embodiment, referring to shown in Fig. 1 to Figure 15, the pushing mechanism of a kind of magnetic latching relay of the present utility model, be to be used in multichannel magnetic latching relay 100, this pushing mechanism comprises the second auxiliary section 21 that is used for matching with pushing block in the first auxiliary section 11 of being used for matching with pushing block in pushing block 3, armature part 1 and moving spring part 2; Described pushing block 3 is provided with for packing first installation portion 31 and the second installation portion 32 that is used for packing into the second auxiliary section 21 of moving spring part 2 of the first auxiliary section 11 of armature part 1 into; In the first installation portion 31 of described pushing block, be provided with the first block 41, this first block 41 matches to stop pushing block 3 to move to the direction away from contact with the first auxiliary section 11 of armature part; In the second installation portion 32 of described pushing block 3, be provided with the second block 42, this second block 42 matches to stop pushing block 3 to move to the direction near contact with the second auxiliary section 21 of moving spring part 2.
Between the first auxiliary section 11 of the first block 41 of the first installation portion 31 of described pushing block and armature part, be provided with the first preset gap 51 to be used for mating pushing block 3 along the shifting amount of direction initialization, between the second block 42 of the second installation portion 32 of described pushing block 3 and moving spring the second auxiliary section 21 partly, be provided with the second preset gap 52 to be used for mating pushing block 3 along the shifting amount of direction initialization.
In the present embodiment, the second installation portion 32 in pushing block 3 is three, corresponding to driving three groups of moving springs partly to move, the distribution triangular in shape of three the second installation portions 32, be located at respectively the both sides (upper and lower) of pushing block moving direction, form upper and lower double-layer structure, there are two the second installation portions 32 on upper strata, there is second installation portion 32 in lower floor, wherein, two second installation portions 32 on upper strata are also located at respectively the both sides () of the oscillation center line of armature part, and second installation portion 32 of lower floor be provided in a side of the first installation portion 31 roughly under.After the pushing block 3 of this structure matches with armature part 1 and three groups of moving spring parts 2, its spacing relation as shown in figure 15, the place of matching 61 of the first auxiliary section of the first block of pushing block and armature part is in order to stop pushing block 3 to move (moving forward) to the direction away from contact, the second block of pushing block with the place of matching 62 of moving spring the second auxiliary section partly in order to stop pushing block 3 to move (moving backward) to the direction of close contact, as shown in figure 12, in order to make upper and lower two-layer moving spring part, with respect to armature part, to the moment sum of the application point of the first installation portion of pushing block, be zero with the contact point of the second installation portion 32 of pushing block 3, because there are two groups of moving spring parts on upper strata, lower floor is one group of moving spring part, therefore, the second installation portion 32 of lower floor and the contact point of moving spring part 2 equal second installation portion 32 on upper strata and the contact point of moving spring part 2 to the twice of the vertical range of position to the vertical range of position, described position is the line along the application point of the first installation portion of moving direction and 1 pair of pushing block of process armature part, the active force of setting the contact point of moving spring part is F, the size of supposing power is 10N, second installation portion 32 on upper strata and the contact point of moving spring part 2 are H to the vertical range of position, suppose that H value is for 0.005m, the second installation portion 32 of lower floor and the contact point of moving spring part 2 are 2H to the vertical range of position.Be rotated counterclockwise, moment, for just, turns clockwise, and moment is for negative.Upper strata the second installation portion 32 is partly 10N * 0.005m+10N * 0.005m=0.1Nm to the moment sum of the application point of the first installation portion of pushing block with the contact point of moving spring part 2 with respect to armature like this, lower floor's the second installation portion 32 is-10N * 0.01m=-0.1Nm partly that the contact point (being also application point) of the moving spring part of levels is zero with respect to armature part to the moment sum of the application point of the first installation portion of pushing block to the moment of the application point of the first installation portion of pushing block with respect to armature with the contact point of moving spring part 2.
The first auxiliary section 11 of described armature part 1 is dop, the first installation portion 31 of described pushing block is the first penetrating draw-in groove, the first draw-in groove 31 of this structure has in two notches, affixed two first blocks 41 of notch 311 places' difference of close contact one side in described the first draw-in groove, adopt two the first blocks 41 can guarantee the stability spacing to dop 11, two the first blocks 41 match to stop pushing block 3 to move to the direction away from contact with the dop 11 of armature part.
The second auxiliary section 21 of described moving spring part 2 is moving spring end, it is the end 21 of movable contact spring 22, the second installation portion 32 of described pushing block is the second penetrating draw-in groove, the second draw-in groove 32 of this structure has in two notches equally, in described the second draw-in groove 32, away from affixed second block 42 in notch 321 places of contact one side, this piece second block 42 matches to stop pushing block 3 to move to the direction near contact with the moving spring end 21 of moving spring part.
The outside cell wall of the second described draw-in groove 32 is made as the moving spring end of being convenient to moving spring part along the opening 322 that is parallel to the second block and packs into draw-in groove, between the inner side cell wall 323 of the second described draw-in groove and the side of moving spring end 21, is provided with preset third space 53 to be used for mating pushing block 3 along the shifting amount of direction initialization (being above-below direction).The present embodiment has three the second installation portions 32, wherein, the inner side cell wall 323 of two the second draw-in grooves 32 in upper strata matches and moves for limiting pushing block 3 upward directions with the side of corresponding moving spring end 21, the inner side cell wall 323 of second draw-in groove 32 of lower floor matches and moves for limiting pushing block 3 downward directions with the side of corresponding moving spring end 21, the inner side cell wall 323 of bilevel the second draw-in groove 32 after matching with the side of corresponding moving spring end 21 respectively, form to pushing block 3 above-below direction move carry out spacing.
The side of described moving spring end 21 is provided with bending 211, and its bending angle is less than 80 degree.
Opening 322 places of the second described draw-in groove are provided with the inclined-plane 324 packing into for guiding moving spring end.
The pushing mechanism of a kind of magnetic latching relay of the present utility model, employing is provided with the first block 41 in the first installation portion 31 of pushing block, in the second installation portion 32 of pushing block, be provided with the second block 42, utilize the first block 41 to match to stop pushing block 3 to move to the direction away from contact with the first auxiliary section 11 of armature part, utilize the second block 42 and the second auxiliary section 21 of moving spring part to match to stop pushing block to move to the direction near contact, by pushing block 3 and moving spring part 2, cooperatively interacting between armature part 1, can realize stablizing of pushing block 3 spacing, both avoided traditional interference to clamp appearance soft flocks and caducous drawback that mode is brought, having avoided again traditional limit-typely clamps the pushing block that mode causes and easily twists, cause the poor drawback of parametric stability.
The pushing mechanism of a kind of magnetic latching relay of the present utility model, employing is provided with the first preset gap 51 between the first block 41 of the first installation portion 31 of pushing block and the first auxiliary section 11 of armature part, between the second block 42 of the second installation portion 32 of pushing block and the second auxiliary section 21 of moving spring part, be provided with the second preset gap 52, above-mentioned gap has determined the shifting amount of pushing block at fore-and-aft direction.The inner side cell wall 323 of the inner side cell wall 323 of two the second draw-in grooves 32 in upper strata and second draw-in groove 32 of third space 53Yu lower floor of corresponding moving spring end 21 has determined that with the third space 53 of corresponding moving spring end 21 pushing block is in the upper and lower shifting amount of mechanism.
The pushing mechanism of a kind of magnetic latching relay of the present utility model, the second installation portion 32 in pushing block is made as at least three, and be located at respectively the both sides (two-layer up and down) of pushing block moving direction, and to make the moment sum of application point of the moving spring part of both sides (two-layer up and down) be zero, like this, can avoid the twisting causing because of both sides (being the both sides of pushing block moving direction) moment unbalance in course of action, thereby effectively improve the stability of product.
The pushing mechanism of a kind of magnetic latching relay of the present utility model, between the inner side of the second draw-in groove cell wall 323 and the side of moving spring end 21, be provided with preset third space 53, one side is carried out spacing to pushing block above-below direction by the second auxiliary section of the moving spring part of both sides (being the both sides of pushing block moving direction), utilize on the other hand third space to determine that pushing block is in the shifting amount of above-below direction.
The pushing mechanism of a kind of magnetic latching relay of the present utility model, is provided with bending 211 at the side of moving spring end, and pushing block can be avoided when transmission and moving spring scraping generation soft flocks in this bending angle.
The pushing mechanism of a kind of magnetic latching relay of the present utility model, the outside cell wall of the second draw-in groove 32 is made as to opening 322, and be provided with inclined-plane 324 at opening part, like this, can allow the second block 42 and moving spring to pack direction into parallel, and leave movement clearance, in assembling, time can not produce soft flocks, guiding when inclined-plane is convenient to moving spring and is packed into.
Above-described embodiment is only used for further illustrating the pushing mechanism of a kind of magnetic latching relay of the present utility model; but the utility model is not limited to embodiment; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all fall in the protection range of technical solutions of the utility model.

Claims (9)

1. a pushing mechanism for magnetic latching relay, comprises the second auxiliary section that is used for matching with pushing block in the first auxiliary section of being used for matching with pushing block in pushing block, armature part and moving spring part; Described pushing block is provided with for packing first installation portion and the second installation portion that is used for packing into moving spring the second auxiliary section partly of the first auxiliary section of armature part into; It is characterized in that: in the first installation portion of described pushing block, be provided with the first block, this first block matches to stop pushing block to move to the direction away from contact with the first auxiliary section of armature part; In the second installation portion of described pushing block, be provided with the second block, this second block matches to stop pushing block to move to the direction near contact with the second auxiliary section of moving spring part.
2. the pushing mechanism of magnetic latching relay according to claim 1, it is characterized in that: between the first auxiliary section of the first block of the first installation portion of described pushing block and armature part, be provided with the first preset gap to be used for mating pushing block along the shifting amount of direction initialization, between the second block of the second installation portion of described pushing block and moving spring the second auxiliary section partly, be provided with the second preset gap to be used for mating pushing block along the shifting amount of direction initialization.
3. the pushing mechanism of magnetic latching relay according to claim 1 and 2, is characterized in that: the second installation portion in described pushing block is at least two, and is located at respectively the both sides of the oscillation center line of armature part.
4. the pushing mechanism of magnetic latching relay according to claim 3, it is characterized in that: the second installation portion in described pushing block is at least three, and be located at respectively the both sides of pushing block moving direction, and to make the contact point of both sides the second installation portion and moving spring part be zero with respect to armature part to the moment sum of the application point of the first installation portion of pushing block.
5. the pushing mechanism of magnetic latching relay according to claim 4, it is characterized in that: the first auxiliary section of described armature part is dop, the first installation portion of described pushing block is the first penetrating draw-in groove, in described the first draw-in groove, near affixed two first blocks of notch place difference of contact one side, two first blocks match to stop pushing block to move to the direction away from contact with the dop of armature part.
6. the pushing mechanism of magnetic latching relay according to claim 4, it is characterized in that: the second auxiliary section of described moving spring part is moving spring end, the second installation portion of described pushing block is the second penetrating draw-in groove, in described the second draw-in groove, away from affixed second block in notch place of contact one side, this piece second block matches to stop pushing block to move to the direction near contact with the moving spring end of moving spring part.
7. the pushing mechanism of magnetic latching relay according to claim 6, it is characterized in that: the outside cell wall of the second described draw-in groove is made as the moving spring end of being convenient to moving spring part along the opening that is parallel to the second block and packs into draw-in groove, between the inner side cell wall of the second described draw-in groove and the side of moving spring end, be provided with preset third space to be used for mating pushing block along the shifting amount of direction initialization.
8. according to the pushing mechanism of the magnetic latching relay described in claim 6 or 7, it is characterized in that: the side of described moving spring end is provided with bending.
9. the pushing mechanism of magnetic latching relay according to claim 7, is characterized in that: the opening part of the second described draw-in groove is provided with the inclined-plane packing into for guiding moving spring end.
CN201320615761.9U 2013-09-30 2013-09-30 Pushing mechanism of magnetic latching relay Withdrawn - After Issue CN203521333U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320615761.9U CN203521333U (en) 2013-09-30 2013-09-30 Pushing mechanism of magnetic latching relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320615761.9U CN203521333U (en) 2013-09-30 2013-09-30 Pushing mechanism of magnetic latching relay

Publications (1)

Publication Number Publication Date
CN203521333U true CN203521333U (en) 2014-04-02

Family

ID=50380223

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320615761.9U Withdrawn - After Issue CN203521333U (en) 2013-09-30 2013-09-30 Pushing mechanism of magnetic latching relay

Country Status (1)

Country Link
CN (1) CN203521333U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103531404A (en) * 2013-09-30 2014-01-22 厦门宏发电力电器有限公司 Pushing mechanism for magnetic latching relay

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103531404A (en) * 2013-09-30 2014-01-22 厦门宏发电力电器有限公司 Pushing mechanism for magnetic latching relay
CN103531404B (en) * 2013-09-30 2016-01-06 厦门宏发电力电器有限公司 A kind of pushing mechanism of magnetic latching relay

Similar Documents

Publication Publication Date Title
CN202996731U (en) Magnetic latching relay with stagger cooperation between push block and movable spring
CN105098682A (en) Buffer-type terminal block
CN104599914A (en) Mini-type circuit breaker
CN203481150U (en) Pushing mechanism of multipath magnetic latching relay
CN203521333U (en) Pushing mechanism of magnetic latching relay
CN105551898A (en) Single-pole double-throw DC contactor
CN204706517U (en) Adopt the magnetic latching relay of flexible quiet spring
CN102623252B (en) Capacitive contactor with bistable-state current-limiting contacts
CN103531404A (en) Pushing mechanism for magnetic latching relay
CN203562369U (en) Contact plate fixing structure
CN201435350Y (en) Magnetic latching relay capable of preventing displacement
CN103531403B (en) A kind of pushing mechanism of multichannel magnetic latching relay
CN204303730U (en) The structure of contact terminal of air-break and contact system
CN203690221U (en) Opening-closing indicating mechanism of reclosing breaker
CN102709124B (en) Combined push clamp duplex spring type magnetic latching relay
CN203596319U (en) Contact plate fixing structure
CN202711964U (en) Electrical switch and moving contact used by same
CN204991603U (en) Magnetic latching relay structural system
CN204577357U (en) A kind of circuit breaker
CN204558338U (en) Isolating switch
CN208753226U (en) Electromagnetic relay for dual power supply switching
CN203312183U (en) Small-size magnetic latching power relay
CN104332365A (en) Short circuit time delay tripping mechanism of selectively protecting micro breaker
CN105161372A (en) Magnetic latching relay structured system
CN205280010U (en) Circuit breaker and linear displacement measuring device thereof

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140402

Effective date of abandoning: 20160106

C25 Abandonment of patent right or utility model to avoid double patenting