CN203339072U - Relay pushing mechanism with conical return spring - Google Patents
Relay pushing mechanism with conical return spring Download PDFInfo
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- CN203339072U CN203339072U CN2013204007195U CN201320400719U CN203339072U CN 203339072 U CN203339072 U CN 203339072U CN 2013204007195 U CN2013204007195 U CN 2013204007195U CN 201320400719 U CN201320400719 U CN 201320400719U CN 203339072 U CN203339072 U CN 203339072U
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- spring
- catch bar
- insulating case
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- pushing mechanism
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Abstract
The utility model discloses a relay pushing mechanism with a conical return spring. The relay pushing mechanism comprises a movable spring part, a return spring, a main spring, a push rod part and a movable iron core. The upper end of the push rod part is provided with a head part, the top end of the head part is provided with a groove which has an upward opening, the movable spring part and the main spring are sequentially sleeved onto the upper part of the push rod part from below the push rod part and the upper end of the movable spring part is abutted against the head part of the push rod part, the top end of the main spring abuts against the lower end of the movable spring part, and the lower part of the push rod part is connected with the movable iron core. The return spring is a conical compression spring and the bottom end of the conical compression spring is embedded in the groove in the head part of the push rod part. Unbalance of the movable spring part can be effectively avoided to ensure synchronization of two groups of contacts and improve the electric life performance of products; and the processing technology can be simplified, the product size can be reduced, and the processing cost and the material cost can be lowered.
Description
Technical field
The utility model relates to a kind of relay, particularly relates to a kind of pushing mechanism that returns the relay of power spring with taper shape.
Background technology
Relay is cut-offfing of a kind of overload current that can frequently close, carry and cut-off normal current and regulation and closes locking device.Existing a kind of relay is to utilize the coil current flowing to produce magnetic field, makes contact closure, to reach the electrical equipment of control load.It is widely used in the fields such as electric power, distribution and electricity consumption.
The schematic diagram of the pushing mechanism of a kind of relay that Fig. 1 is prior art, pushing mechanism is contained in the framework of relay usually, this pushing mechanism comprises moving spring part 101, catch bar part 102, Compress Spring 103, static iron core 104, moving iron core 105 and returns power spring 106, wherein, catch bar part 102 includes catch bar 1021 and insulating case 1022, and insulating case 1022 has upper and lower two; Catch bar 1021, can be with respect to static iron core 104 reciprocating motions through the interstitial hole of static iron core 104, and insulating case 1022 is fixed on an end of catch bar 1021, and moving iron core 105 is fixed on the other end of catch bar 1021; Moving spring part 101 can move up and down through insulating case 1022, and an end of Compress Spring 103 heads on moving spring part 101; Returning 106, power spring withstands between moving iron core 105 and static iron core 104.This pushing mechanism of prior art exists following drawback:
1, in the middle of moving iron core and static iron core, counterbore is arranged, return the counterbore that power spring 106 is placed in dynamic and static iron core, this structure, can cause the moving iron core magnetic pole strength relative with static iron core to reduce, weaken actuating force and the confining force of moving iron core, in order to guarantee actuating force and the confining force of moving iron core, often need to make larger coil, thereby caused the raising of cost and the increase of small product size; Simultaneously, due to Compress Spring 103 with return power spring 106 and distributes up and down, be difficult to effectively to guarantee to move the synchronism of spring part 102 the right and lefts, properties of product are poor;
2, catch bar part 102 is mainly by upper and lower two of catch bar 1021 and insulating case 1022() form; In order be spacing to live insulating case, need to get on the bus sulculus 1023 or car one shaft shoulder 1024(as shown in Figure 2 at catch bar 1021), the structural representation of the catch bar of the pushing mechanism of the relay that Fig. 2 is prior art, retrain up and down by split washer and packing ring; Adopt this structure, catch bar complex structure, processing difficulties and size are difficult to assurance, and assembly technology is loaded down with trivial details simultaneously;
3, the common scheme of moving spring part 101 is copper sheet always, or riveted joint or weld the mode of two contacts on copper sheet always, and directly the one side of copper sheet acts on Compress Spring 103; This structure, Compress Spring 103 is large with the active area of copper sheet, when moving spring part 101 motion, especially when pitting of contact weares and teares, is difficult to guarantee synchronism and the balance of the right and left, and properties of product are difficult to assurance in the later stage;
4, the other end of catch bar 1021 and moving iron core 105 first are threaded connection, and then end is fixed catch bar and moving iron core by Laser Welding or argon arc welding mode, and this connected mode, cause production efficiency slow, and cost is high.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, and a kind of pushing mechanism that returns the relay of power spring with taper shape is provided, and both can effectively avoid the imbalance of moving spring part, to guarantee the synchronism of two groups of contacts, improves product electric life performance; Again can simplified processing process, reduce small product size, reduce processing cost and reduce material cost.
The utility model solves the technical scheme that its technical problem adopts: a kind of pushing mechanism that returns the relay of power spring with taper shape comprises moving spring part, returns the power spring, main spring, catch bar part and moving iron core; The upper end of described catch bar part is provided with head, the top of head is provided with opening up groove, described moving spring part and main spring upwards overlap successively to the top of catch bar part and make the upper end of spring part be against catch bar head partly from the below of catch bar part, the top of described main spring is supported to the lower end of moving spring part, and the bottom of described catch bar part connects described moving iron core; The described power of returning spring is conical Compress Spring, and the bottom of described conical Compress Spring is embedded in the groove of catch bar head partly.
Further, also comprise framework, the top of catch bar part, moving spring part, return the power spring and main spring is contained in respectively in framework, the top of described framework is provided with recess upwards, the top of the described power of returning spring is against in the recess at top of framework, and the power of returning of pushing mechanism is provided with the support that utilizes framework.
Described moving spring partly comprises two moving contacts and a movable contact spring, and described two moving contacts are the symmetrical both sides that are fixed on movable contact spring respectively; Described main spring is contained between movable contact spring and catch bar part along the shaft centre line of catch bar part; The bottom of described movable contact spring is to having two protuberances with radian, two convex portion other places are in the symmetrical centre position of two moving contacts, and make the protuberance of bottom of the upper surface of described main spring and movable contact spring tangent, thereby guarantee that the pressure of two moving contacts when pitting of contact is consistent all the time.
Described catch bar partly comprises insulating case and catch bar; The upper end of described catch bar and insulating case Joint, the lower end of described catch bar and moving iron core Joint, described head is located at the upper end of insulating case; Described moving spring part and main spring upwards are inserted in insulating case from the below of insulating case successively and make spring upper end partly be against the head of insulating case, and the bottom of described conical Compress Spring is embedded in the groove of head of insulating case.
Further, also comprise fixed disk, described fixed disk is installed on the bottom of insulating case and main spring elasticity is opened between the lower end and fixed disk that withstands on moving spring part.
Described insulating case and catch bar are respectively independent part, and insulating case is provided with by the upwardly extending jack in bottom, between the upper end of catch bar and the jack of insulating case, adopt interference fit to fix.
Described insulating case and catch bar are integrated the monolithic construction that injection molding forms.
The bottom of described insulating case, along laterally outwards being provided with two symmetrical lugs, is respectively equipped with a positioning convex on two lugs, described fixed disk upwards is inserted in insulating case from the below of insulating case and is installed on the positioning convex of lug of the bottom of insulating case; Described fixed disk is provided with and two corresponding two hole clippings that match of positioning convex.
Described fixed disk is provided with and two perforates that lug is corresponding, so that fixed disk can upwards be inserted in insulating case by perforate and coordinating from the below of insulating case of two lugs.
Two hole clippings of described fixed disk are connected with the perforate of fixed disk respectively.
The edge of described fixed disk has upwards protruded out the multistage barricade, spacing in barricade in order to the lower end by main spring.
The lower end of described catch bar is provided with helicitic texture, and the lower end of catch bar adopts screw thread to be connected with moving iron core, and adopts the machine riveting mode to fix in the junction of catch bar and moving core ends.
Described machine riveting is for revolving riveting, expand riveting, spending riveting or cone riveting.
The beneficial effects of the utility model are compared with prior art, to the utlity model has following advantage:
1, the power of returning spring of the present utility model adopts conical Compress Spring, is positioned in the groove of catch bar operative tip, and conical Compress Spring can be avoided the problem of helical spring doubling-up, thereby can reduce small product size, reduces costs;
2, the utility model adopts and will return the top that the power spring is placed in pushing mechanism, be different from the common power spring that will return and be positioned over the middle scheme of dynamic and static iron core, the utility model scheme can effectively improve the magnetic pole strength area of dynamic and static iron core, the actuating force of improving product and confining force;
3, the utility model will return the top that the power spring is placed in pushing mechanism, like this, move the spring part and will be subject to the tensioning of lower spring (upper spring returns the power spring, and lower spring is main spring), can effectively avoid the imbalance of moving spring part, guarantee the synchronism of two groups of contacts;
4, catch bar of the present utility model has partly comprised catch bar and insulating case, the two can link together by integrated injection molding or tight fit mode, and insulating case is with two lugs, fixed disk is provided with and two perforates that lug is corresponding, the fixed disk perforate just can pack into insulating case by being adjusted to after consistent with two lug directions, and is positioned on insulating case by the positioning convex of being located on lug; This structure has solved catch bar and moving spring SI semi-insulation problem, realized the initiatively location of spring simultaneously, and because catch bar can be made polished rod (TOE), thereby processing technology simplified, reduced processing cost and material cost, and the catch bar size easily is guaranteed; And common scheme to be catch bar be provided with a lot of sulculuses, then by split washer and pad, fix main spring, this structure, catch bar complex structure, processing difficulties and size be difficult to guarantee, assembly technology is loaded down with trivial details simultaneously;
5, moving spring of the present utility model has partly comprised moving contact and movable contact spring, and movable contact spring is provided with two protuberances with radian, main spring acts on two protuberance places, in the electric life process, after there has been electrical wear contact, adopt this structure, can effectively guarantee the consistency of two groups of contact forces, thereby improve product electric life performance; Act on movable contact spring and common scheme is the main spring large tracts of land, be difficult to guarantee the consistency of two groups of contact forces;
6, catch bar of the present utility model and moving iron core are first to be threaded connection, then in moving core ends, adopt the mode of machine riveting that catch bar and moving iron core are tightened together, the machine riveting mode can adopt various ways such as revolving riveting, expansion riveting, flower riveting, cone riveting; Adopt riveted joint, be different from the modes such as common Laser Welding, argon arc welding, can make cost greatly reduce.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of pushing mechanism that returns the relay of power spring with taper shape of the present utility model is not limited to embodiment.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of pushing mechanism of the relay of prior art;
Fig. 2 is the structural representation of catch bar of pushing mechanism of the relay of prior art;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is structure cutaway view of the present utility model;
Fig. 5 is the schematic diagram that the utility model is packed in the framework of relay;
Fig. 6 is insulating case of the present utility model and the schematic diagram that coordinates that returns the power spring;
Fig. 7 is framework of the present utility model and the schematic diagram that coordinates that returns the power spring;
Fig. 8 is the structural representation of framework of the present utility model (overturning forward in bottom surface);
Fig. 9 is the structural representation of fixed disk of the present utility model;
Figure 10 is fixed disk of the present utility model and the schematic diagram that coordinates of catch bar part;
Figure 11 is fixed disk of the present utility model and the schematic diagram that coordinates of insulating case;
Figure 12 is the structural representation of moving spring part of the present utility model;
Figure 13 is catch bar of the present utility model and the schematic diagram that coordinates of moving iron core;
Figure 14 is moving spring part of the present invention and the schematic diagram that coordinates of main spring;
Figure 15 is moving spring part of the present invention (during pitting of contact) and the schematic diagram that coordinates of main spring.
Embodiment
Embodiment, referring to shown in Fig. 3 to Figure 15, a kind of pushing mechanism that returns the relay of power spring with taper shape of the present utility model, comprise moving spring part 1, return power spring 2, main spring 3, catch bar part 5 and moving iron core 6; The upper end of described catch bar part 5 is provided with head 511, the top of head is provided with opening up groove 512, described moving spring part 1 and main spring 3 upwards overlap successively to the top of catch bar part 5 and make the upper end of spring part 1 be against catch bar head 511 partly from the below of catch bar part 5, the top of described main spring 3 is supported to the lower end of moving spring part 1, and the bottom of described catch bar part 5 connects described moving iron core 6; The described power of returning spring 2 is conical Compress Spring, and the bottom of described conical Compress Spring 2 is embedded in the groove 512 of catch bar head partly.
Further, also comprise framework 7, the top of catch bar part, moving spring part 1, return power spring 2 and main spring 3 is contained in respectively in framework 7, the top of described framework 7 is provided with recess 71 upwards, the top of the described power of returning spring 2 is against in the recess 71 at top of framework, and the power of returning of pushing mechanism is provided with the support that utilizes framework 7.
Described moving spring part 1 comprises two moving contacts 11 and a movable contact spring 12, and described two moving contacts 11 are the symmetrical both sides that are fixed on movable contact spring 12 respectively; Described main spring 3 is contained between movable contact spring 12 and catch bar part along the shaft centre line of catch bar part 5; The bottom of described movable contact spring 12 is to having two protuberances with radian 121, two protuberances 121 are in respectively the symmetrical centre position of two moving contacts 11, and make the protuberance 121 of bottom of the upper surface of described main spring 3 and movable contact spring tangent, thereby guarantee that the pressure of two moving contacts when pitting of contact is consistent all the time.As shown in Figure 14, Figure 15, the protuberance 121 of moving spring is positioned at the centre of moving spring 12, thereby makes two groups of contacts symmetrical; Initiatively spring 3 acts on protuberance 121, and the arc of protuberance 121 is tangent with the upper surface of active spring 3; When pitting of contact, initiatively the end face of spring 3 is tangent with the arc of protuberance 121 all the time, thereby guarantees the consistency of two groups of contact forces (F1, F2), improves the performance of product.
Described catch bar part 5 comprises insulating case 51 and catch bar 52; The upper end of described catch bar 52 and insulating case 51 Joints, the lower end of described catch bar 52 and moving iron core 6 Joints, described head 511 is located at the upper end of insulating case 51, and the groove 512 of head 511 is also on insulating case 51; Described moving spring part 1 and main spring 3 upwards are inserted in insulating case 51 from the below of insulating case 51 successively and make the upper end of spring part 1 be against the head 511 of insulating case 51, and the bottom of described conical Compress Spring 2 is embedded in the groove 512 of head of insulating case.
Further, also comprise fixed disk 4, described fixed disk 4 is installed on the bottom of insulating case 51 and main spring 3 elasticity is opened between the lower end and fixed disk 4 that withstands on moving spring part 1.
In the present embodiment, described insulating case 51 and catch bar 52 are respectively independent part, and insulating case 51 is provided with by the upwardly extending jack 513 in bottom, between the upper end of catch bar 52 and the jack of insulating case 513, adopt interference fit to fix.Certainly, can be also another kind of scheme, described insulating case and catch bar are integrated the monolithic construction that injection molding forms.
The bottom of described insulating case 51 is along laterally outwards being provided with two symmetrical lugs 514, be respectively equipped with a positioning convex 515 on two lugs 514, described fixed disk 4 upwards is inserted in insulating case from the below of insulating case 51 and is installed on the positioning convex 515 of lug of the bottom of insulating case; Described fixed disk 4 is provided with and two corresponding two hole clippings 41 that match of positioning convex.
For movable contact spring 12 can be inserted in insulating case from bottom to top, also to be provided with a hole 122 corresponding with two lugs 514 of insulating case on movable contact spring 12, like this, the movable contact spring 12 that could will move spring part 1 is inserted in insulating case.
Described fixed disk 4 is provided with and two perforates 42 that lug 514 is corresponding, so that fixed disk 4 can upwards be inserted in insulating case 51 by perforate 42 and coordinating from the below of insulating case of two lugs 514.
Two hole clippings 41 of described fixed disk are connected with the perforate 42 of fixed disk respectively.
The edge of described fixed disk 4 has upwards protruded out multistage barricade 43, spacing in barricade in order to the lower end by main spring 3.
Described moving spring part 1 comprises moving contact 11 and movable contact spring 12, described moving contact 11 is fixed on movable contact spring 12, the bottom of described movable contact spring 12 is to having two protuberances with radian 121, the upper end of described main spring 3 is against protuberance 121 places of the bottom of movable contact spring, and the shaft centre line of the lower end edge catch bar part of main spring 3 is engaged in described fixed disk 4 places.For movable contact spring 12 can be inserted in insulating case from bottom to top, also to be provided with a hole 122 corresponding with two lugs 514 of insulating case on movable contact spring 12, like this, the movable contact spring 12 that could will move spring part 1 is inserted in insulating case.
The lower end of described catch bar 52 is provided with helicitic texture 521, and the lower end of catch bar 52 adopts screw thread to be connected with moving iron core 6, and adopts the machine riveting mode to fix in the junction of catch bar and moving core ends.
Described machine riveting is for revolving riveting, expand riveting, spending riveting or cone riveting.
A kind of pushing mechanism that returns the relay of power spring with taper shape of the present utility model, comprise moving spring part 1, return power spring 2, main spring 3, fixed disk 4, catch bar part 5 and moving iron core 6, and wherein catch bar part 5 has comprised insulating case 51 and catch bar 52; By the straight line back and forth movement of pushing portion, realize switching on and off of system.Return power spring 2 and adopt conical Compress Spring, be positioned in the groove 512 at insulating case top; Conical Compress Spring 2 can be avoided the problem of cylindrical spring doubling-up, thereby reduces small product size, reduces costs.Return the top that power spring 2 is placed in pushing portion, be different from the common power spring that will return and be positioned over the middle scheme of dynamic and static iron core, can effectively improve the magnetic pole strength area of sound iron core, the actuating force of improving product and confining force; Be subject in addition the tensioning of upper lower spring (upper spring returns power spring 2, and lower spring is main spring 3) due to moving spring part 1, can effectively avoid the imbalance of moving spring part 1, guarantee the synchronism of two groups of contacts.Catch bar part 1 has comprised catch bar 52 and insulating case 51, and the two can link together by integrated injection molding or tight fit mode; Insulating case 51 is with two lugs 514, fixed disk 4 is provided with and two perforates 42 that lug 514 is corresponding, the perforate 42 of fixed disk is by being adjusted to and can packing into insulating case 51 after two lug 514 directions are consistent, and be stuck on insulating case by the positioning convex 515 of being located on lug 514, during clamping, the hole clipping 41 of fixed disk matches with the positioning convex 515 of insulating case 51; This structure has solved catch bar and moving spring SI semi-insulation problem, realized the initiatively location of spring simultaneously, and because catch bar can be made polished rod (TOE), thereby processing technology simplified, reduced processing cost and material cost, and the catch bar size easily is guaranteed.Moving spring has partly comprised moving contact and movable contact spring, and two protuberances with radian 121 are arranged on movable contact spring 12; Initiatively spring 3 acts on two protuberances 121, in the electric life process, after there has been electrical wear (while being pitting of contact) contact, adopts this structure, can effectively guarantee the consistency of two groups of contact forces, thereby improves product electric life performance.Catch bar and moving iron core are first to be threaded connection, and then in moving core ends, adopt the mode of machine riveting that catch bar and moving iron core are tightened together, and the machine riveting mode can adopt various ways such as revolving riveting, expansion riveting, flower riveting, cone riveting; Adopt riveted joint, be different from the modes such as common Laser Welding, argon arc welding, can make cost greatly reduce.
Above-described embodiment only is used for further illustrating a kind of pushing mechanism that returns the relay of power spring with taper shape 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 (10)
1. a pushing mechanism that returns the relay of power spring with taper shape, is characterized in that: comprise moving spring part, return power spring, main spring, catch bar partly and moving iron core; The upper end of described catch bar part is provided with head, the top of head is provided with opening up groove, described moving spring part and main spring upwards overlap successively to the top of catch bar part and make the upper end of spring part be against catch bar head partly from the below of catch bar part, the top of described main spring is supported to the lower end of moving spring part, and the bottom of described catch bar part connects described moving iron core; The described power of returning spring is conical Compress Spring, and the bottom of described conical Compress Spring is embedded in the groove of catch bar head partly.
2. band taper shape according to claim 1 returns the pushing mechanism of the relay of power spring, it is characterized in that: further, also comprise framework, the top of catch bar part, moving spring part, return the power spring and main spring is contained in respectively in framework, the top of described framework is provided with recess upwards, the top of the described power of returning spring is against in the recess at top of framework, and the power of returning of pushing mechanism is provided with the support that utilizes framework.
3. band taper shape according to claim 1 returns the pushing mechanism of the relay of power spring, and it is characterized in that: described moving spring partly comprises two moving contacts and a movable contact spring, and described two moving contacts are the symmetrical both sides that are fixed on movable contact spring respectively; Described main spring is contained between movable contact spring and catch bar part along the shaft centre line of catch bar part; The bottom of described movable contact spring is to having two protuberances with radian, two convex portion other places are in the symmetrical centre position of two moving contacts, and make the protuberance of bottom of the upper surface of described main spring and movable contact spring tangent, thereby guarantee that the pressure of two moving contacts when pitting of contact is consistent all the time.
4. band taper shape according to claim 1 and 2 returns the pushing mechanism of the relay of power spring, and it is characterized in that: described catch bar partly comprises insulating case and catch bar; The upper end of described catch bar and insulating case Joint, the lower end of described catch bar and moving iron core Joint, described head is located at the upper end of insulating case; Described moving spring part and main spring upwards are inserted in insulating case from the below of insulating case successively and make spring upper end partly be against the head of insulating case, and the bottom of described conical Compress Spring is embedded in the groove of head of insulating case.
5. band taper shape according to claim 4 returns the pushing mechanism of the relay of power spring, it is characterized in that: further, also comprise fixed disk, described fixed disk is installed on the bottom of insulating case and main spring elasticity is opened between the lower end and fixed disk that withstands on moving spring part.
6. band taper shape according to claim 4 returns the pushing mechanism of the relay of power spring, it is characterized in that: described insulating case and catch bar are respectively independent part, insulating case is provided with by the upwardly extending jack in bottom, between the upper end of catch bar and the jack of insulating case, adopts interference fit to fix.
7. band taper shape according to claim 4 returns the pushing mechanism of the relay of power spring, and it is characterized in that: described insulating case and catch bar are integrated the monolithic construction that injection molding forms.
8. band taper shape according to claim 5 returns the pushing mechanism of the relay of power spring, it is characterized in that: the bottom of described insulating case is along laterally outwards being provided with two symmetrical lugs, be respectively equipped with a positioning convex on two lugs, described fixed disk upwards is inserted in insulating case from the below of insulating case and is installed on the positioning convex of lug of the bottom of insulating case; Described fixed disk is provided with and two corresponding two hole clippings that match of positioning convex.
9. band taper shape according to claim 8 returns the pushing mechanism of the relay of power spring, it is characterized in that: described fixed disk is provided with and two perforates that lug is corresponding, so that fixed disk can upwards be inserted in insulating case from the below of insulating case by perforate and coordinating of two lugs; Two hole clippings of described fixed disk are connected with the perforate of fixed disk respectively.
10. band taper shape according to claim 5 returns the pushing mechanism of the relay of power spring, and it is characterized in that: the edge of described fixed disk has upwards protruded out the multistage barricade, spacing in barricade in order to the lower end by main spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204007195U CN203339072U (en) | 2013-07-05 | 2013-07-05 | Relay pushing mechanism with conical return spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204007195U CN203339072U (en) | 2013-07-05 | 2013-07-05 | Relay pushing mechanism with conical return spring |
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| Publication Number | Publication Date |
|---|---|
| CN203339072U true CN203339072U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204007195U Expired - Lifetime CN203339072U (en) | 2013-07-05 | 2013-07-05 | Relay pushing mechanism with conical return spring |
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| CN (1) | CN203339072U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957772A (en) * | 2016-06-01 | 2016-09-21 | 温州市明达电器有限公司 | Relay |
| CN107910228A (en) * | 2015-12-22 | 2018-04-13 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay |
| CN108511270A (en) * | 2017-02-28 | 2018-09-07 | 株式会社电装 | Electromagnetic relay equipment |
-
2013
- 2013-07-05 CN CN2013204007195U patent/CN203339072U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910228A (en) * | 2015-12-22 | 2018-04-13 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay |
| CN107910228B (en) * | 2015-12-22 | 2019-09-10 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay |
| CN105957772A (en) * | 2016-06-01 | 2016-09-21 | 温州市明达电器有限公司 | Relay |
| CN108511270A (en) * | 2017-02-28 | 2018-09-07 | 株式会社电装 | Electromagnetic relay equipment |
| CN108511270B (en) * | 2017-02-28 | 2019-09-03 | 株式会社电装 | Electromagnetic relay equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
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| CX01 | Expiry of patent term |