CN214753577U

CN214753577U - Catch bar integrated configuration and high-voltage direct-current relay of high-voltage direct-current relay

Info

Publication number: CN214753577U
Application number: CN202120868193.8U
Authority: CN
Inventors: 唐麒麟; 代文广; 唐锋; 雷富; 何敏杰; 陈帅; 杨广敏
Original assignee: Zhejiang Hongzhou New Energy Technology Co ltd
Current assignee: Zhejiang Hongzhou New Energy Technology Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-16
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a catch bar integrated configuration and high-voltage direct-current relay of high-voltage direct-current relay, catch bar integrated configuration includes the catch bar to and suit in the movable contact spring and the contact spring of this catch bar, the catch bar upper end sets up the first spacing portion that links to each other rather than an organic whole, and the catch bar still sets up the spacing portion of second that is located first spacing portion below, and movable contact spring and contact spring are restricted between first spacing portion and the spacing portion of second, and contact spring is located under the movable contact spring. The utility model discloses make catch bar upper end avoid adopting jump ring or nut to carry on spacingly, therefore can avoid appearing the cracked problem of jump ring to simplified the assembly process of promoting the pole portion, made assembly efficiency promote, and available first spacing portion is as the frock fixed point during the assembly, with the movable iron core of conveniently twisting the catch bar lower extreme, it is more reasonable to make the assembly.

Description

Catch bar integrated configuration and high-voltage direct-current relay of high-voltage direct-current relay

Technical Field

The utility model relates to a relay field especially relates to a catch bar integrated configuration and high-voltage direct current relay of high-voltage direct current relay.

Background

A relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is commonly used in automatic control circuits, and which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.

The high-voltage direct-current relay is one of the relays, and the catch bar part of the high-voltage direct-current relay generally comprises a catch bar, a movable contact spring and a contact spring, wherein the movable contact spring and the contact spring are sleeved on the catch bar, and the upper end of the catch bar is generally limited by a clamp spring. However, the snap spring is adopted for limiting, and the risk of breaking the snap spring exists in the motion process of the push rod. If the nut is adopted for limiting, when the glue is further dispensed and fixed, the glue amount is not controlled well due to the fact that no glue containing space exists. Meanwhile, when the lower end of the push rod is in threaded connection with the movable iron core, threads at the upper end and the lower end are easy to loosen, no tool fixing point is arranged, and assembling efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that prior art exists, provide a catch bar integrated configuration and high-voltage direct current relay of high-voltage direct current relay, can solve the problem that adopts jump ring or the spacing existence of nut.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a catch bar integrated configuration of high voltage direct current relay, includes the catch bar to and suit in the movable contact spring and the contact spring of this catch bar, the catch bar upper end sets up the first spacing portion that links to each other rather than an organic whole, the catch bar still sets up the spacing portion of second that is located first spacing portion below, movable contact spring and contact spring are restricted between first spacing portion and the spacing portion of second, and the contact spring is located under the movable contact spring.

Furthermore, the movable contact spring, the contact spring and the second limiting part are sequentially sleeved on the push rod from the lower end of the push rod, and the two limit parts are mutually abutted.

Furthermore, the second limiting part comprises a spring seat and a shaft sleeve which are sleeved outside the push rod, the upper end of the spring seat is abutted against the lower end of the contact spring, the lower end of the spring seat is abutted against the upper end of the shaft sleeve or integrally connected with the upper end of the shaft sleeve, and the lower end of the shaft sleeve is abutted against a movable iron core connected with the lower end of the push rod.

Further, the lower end of the push rod is in threaded connection with the movable iron core, and the movable iron core is fixed through dispensing; the push rod is provided with a downward step surface at the position of the spring seat, and the upper end of the spring seat is abutted against the step surface.

Furthermore, the first limiting part is a flange part which protrudes laterally from the upper end of the push rod.

Furthermore, the movable contact piece is provided with a toggle piece for triggering a microswitch of the high-voltage direct-current relay; the poking piece is fixed on an isolating piece which is fixedly connected with the movable contact piece and separates the poking piece from the movable contact piece.

Furthermore, the first limiting part is a toggle part for triggering a microswitch of the high-voltage direct-current relay, and the toggle part and the push rod form an integrated structure through insert injection molding.

Furthermore, the push rod is sleeved with a spacer which is positioned between the poking block and the movable contact piece so as to separate the poking piece from the movable contact piece.

The utility model provides a high-voltage direct-current relay, include coil pack, move iron core and reaction spring, still include as above the utility model discloses a high-voltage direct-current relay's catch bar integrated configuration, the iron core is moved in the connection of catch bar lower extreme, reaction spring suit in the catch bar to be located move the iron core and be located between the third spacing portion of moving the iron core top.

Furthermore, the third limiting part is a magnetic conduction plate, and the push rod penetrates through the magnetic conduction plate; the magnetic conduction plate is provided with a yielding groove for yielding the coil leading-out pin of the coil assembly, and chamfers are respectively arranged at two ends of the yielding groove of the magnetic conduction plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. because the catch bar upper end sets up the first spacing portion rather than an organic whole continuous, the catch bar still sets up the spacing portion of second that is located first spacing portion below, movable contact spring and contact spring are restricted between first spacing portion and the spacing portion of second, make the catch bar upper end avoid adopting jump ring or nut to carry on spacingly, therefore can avoid appearing the cracked problem of jump ring, and simplified the assembly process of promotion pole portion (need not to adorn the jump ring or twist the nut, some glue), make assembly efficiency promote, and available first spacing portion is as the frock fixed point during the assembly, with the movable iron core of conveniently twisting the catch bar lower extreme, make the assembly more reasonable.

2. The movable contact spring, the contact spring and the second limiting portion are sequentially sleeved on the push rod from the lower end of the push rod and are abutted against each other in pairs, so that the assembling process is simple, the second limiting portion is of a non-clamp spring structure, and the risk that the clamp spring is broken due to the fact that the clamp spring is limited in the middle of the push rod can be avoided.

3. The second limiting part comprises the spring seat and the shaft sleeve, so that the assembly process is further simpler, the push rod is not required to be provided with a complex limiting structure, and the push rod is easier to process.

4. The step surface is arranged, so that the position of the spring seat is fixed, the working stability of the whole push rod combined structure is good, and the magnetic gap between the movable iron core and the magnetic conduction plate is ensured.

5. The setting of isolating piece can avoid dialling the piece and moving contact spring direct contact to heat conduction on the moving contact spring is avoided dialling the piece and is influenced the performance of dialling the piece.

6. The third limiting part is a magnetic conduction plate, so that the counter-force spring can be prevented from directly contacting with the guide plate to wipe out plastic scraps.

7. The magnetic conduction plate is provided with the chamfer, so that the distance between the magnetic conduction plate and an enameled wire on the coil assembly can be increased, the creepage distance is increased, and the withstand voltage value is enhanced.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment, and the catch bar assembly of the high-voltage direct-current relay and the high-voltage direct-current relay are not limited to the embodiment.

Drawings

Fig. 1 is an exploded schematic view of a push rod assembly structure according to an embodiment of the present invention (including a magnetic conductive plate, a guide plate, etc.);

fig. 2 is a cross-sectional view of a high-voltage direct-current relay according to the first embodiment of the present invention;

FIG. 3 is an exploded view of the push rod assembly of the second embodiment of the present invention (including the magnetic conductive plate, the guide plate, etc.);

fig. 4 is a schematic perspective view of the toggle piece, the separating piece and the moving contact piece of the second embodiment of the present invention;

fig. 5 is a sectional view of a high-voltage direct-current relay according to the second embodiment of the present invention.

Detailed Description

Example one

Referring to fig. 1 and 2, the push rod assembly structure of the high-voltage direct-current relay of the present invention includes a push rod 1, a movable contact piece 2 and a contact spring 3 sleeved on the push rod 1, a first limit portion integrally connected to the push rod 1 is disposed at the upper end of the push rod 1, a second limit portion disposed below the first limit portion is further disposed on the push rod 1, the movable contact piece 2 and the contact spring 3 are limited between the first limit portion and the second limit portion, and the contact spring 3 is disposed below the movable contact piece 2.

In this embodiment, the movable contact 2, the contact spring 3, and the second limiting portion are sequentially sleeved on the push rod 1 from the lower end of the push rod 1, and two of the movable contact, the contact spring, and the second limiting portion are abutted to each other. Specifically, the second limiting part comprises a spring seat 4 and a shaft sleeve 5, the spring seat 4 and the shaft sleeve 5 are respectively sleeved outside the push rod 1, the upper end of the spring seat 4 is abutted against the lower end of the contact spring 3, the lower end of the spring seat 4 is abutted against the upper end of the shaft sleeve 5, and the lower end of the shaft sleeve 5 is abutted against a movable iron core 6 connected with the lower end of the push rod 1. The lower end of the push rod 1 is provided with threads to be in threaded connection with the movable iron core 6, and the movable iron core is fixed through dispensing. In other embodiments, the lower end of the spring seat is integrally connected with the upper end of the shaft sleeve, i.e. the spring seat and the shaft sleeve are integrally manufactured into a whole.

In this embodiment, the push rod 1 is provided with a downward step surface 11 at the position of the spring seat 4, and the upper end of the spring seat 4 abuts against the step surface 11. Therefore, the position of the spring seat 4 is determined, and the working stability of the whole push rod 1 combined structure is good. The push rod 1 comprises a large-diameter section and a small-diameter section which are distributed from top to bottom, the transition areas of the large-diameter section and the small-diameter section form the step surface 11, the spring seat 4 and the shaft sleeve 5 are respectively sleeved on the small-diameter section of the push rod 1, and the lower part of the small-diameter section is provided with a thread connected with the movable iron core 6.

In this embodiment, the first limiting portion is a toggle member 7 for triggering a micro switch 30 of the high-voltage direct-current relay, and the toggle member 7 and the push rod 1 form an integrated structure through insert injection molding. The push rod 1 is further sleeved with a spacer, and the spacer is located between the poking block and the movable contact piece 2 to separate the poking block from the movable contact piece 2. The spacer is specifically, but not limited to, a metal gasket 8, and in other embodiments, the spacer is an insulator made of ceramic or other materials. Therefore, the contact between the poking piece 7 and the movable contact piece 2 can be avoided, and the heat on the movable contact piece 2 is prevented from being conducted to the poking piece 7 to influence the performance of the poking piece 7.

In this embodiment, the movable contact piece 2 is U-shaped, so that when the high-voltage direct-current relay adopts a three-magnetic-steel structure, the U-shaped cavity of the movable contact piece 2 can be used as a middle piece of magnetic steel for abdicating.

The utility model discloses a catch bar integrated configuration of high voltage direct current relay, 1 upper end of its catch bar directly adopts and links to each other rather than an organic whole to stir 7 spacing movable contact spring 2 and contact spring 3, make 1 upper end of catch bar avoid adopting jump ring or nut to carry on spacingly, therefore can avoid appearing the cracked problem of jump ring, and simplified the assembly process of catch bar 1 part (need not to adorn the jump ring or twist the nut, some glue), make assembly efficiency promote, and can use to stir 7 as the frock fixed point during assembly, with conveniently twist the movable iron core 6 of catch bar 1 lower extreme, it is more reasonable to make the assembly.

Please refer to fig. 1 and fig. 2, the high voltage dc relay of the present invention includes a coil assembly 40, a movable iron core 6 and a counter spring 9, and further includes a push rod assembly structure of the high voltage dc relay as described in the present invention, the movable iron core 6 is connected to the lower end of the push rod 1, and the counter spring 9 is sleeved on the push rod 1 and located between the movable iron core 6 and the third limiting portion located above the movable iron core 6.

In this embodiment, the third limiting portion is a magnetic conductive plate 10, and the push rod 1 penetrates through the magnetic conductive plate 10; the upper part of the magnetic conduction plate 10 is provided with a guide plate 20, the push rod 1 penetrates through the guide plate 20, and the guide plate 20 guides the push rod 1. Therefore, the reaction spring 9 abuts between the magnetic conduction plate 10 and the movable iron core 6, and the reaction spring 9 is prevented from directly contacting with the guide plate 20 to scrape plastic scraps. Magnetic conduction board 10 is equipped with right the groove 101 of stepping down that dodges is carried out to coil assembly 40's coil pin, magnetic conduction board 10 is equipped with chamfer 102 respectively at the both ends punishment of this groove 101 of stepping down, so, can increase its and the enameled wire's on the coil assembly 40 distance to increase creepage distance, reinforcing withstand voltage value.

The utility model discloses a high-voltage direct-current relay assembles its pushing rod part timesharing, earlier with metal gasket 8, movable contact spring 2, contact spring 3, spring holder 4, axle sleeve 5 from 1 lower extreme of catch bar suit in catch bar 1 in proper order, passes deflector 20, magnetic conduction board 10 with catch bar 1 in proper order again, then sheathes in counter-force spring 9, at last, with catch bar 1 lower extreme and 6 threaded connection of movable iron core to it is fixed to glue. Therefore, the utility model discloses simplified the assembly process who promotes the pole portion greatly, and catch bar 1 upper and middle, lower position all need not to adopt the jump ring spacing, avoids appearing the cracked risk of jump ring in catch bar 1 motion process.

Example two

Referring to fig. 3-5, a push rod assembly structure of a high voltage dc relay according to the present invention is different from the first embodiment in that: the first limiting part is a flange part 12 which is arranged at the upper end of the push rod 1 and protrudes laterally.

In this embodiment, the moving contact piece 2 is provided with a toggle piece 7 for triggering a micro switch 30 of the high-voltage direct-current relay. Specifically, the toggle member 7 is fixed on a spacer, and the spacer is fixedly connected with the movable contact piece 2 and separates the toggle member 7 from the movable contact piece 2. The isolating piece is a metal piece 71 for processing and fixing with the movable contact piece 2 and the poking piece 7. In other embodiments, the spacer is an insulator made of ceramic or other materials. The toggle piece 7 and the metal piece 71 can be fixed by insert injection molding, or can be fixed by clamping or locking of a locking piece and the like. The metal piece 71 and the movable contact piece 2 are fixed by riveting, but not limited thereto, and in other embodiments, the metal piece and the movable contact piece are fixed by welding or locking by a locking piece. The retaining member is, for example, a screw or bolt-nut assembly. The poking piece 7 is fixed on the metal piece 71, and the poking piece 7 can be prevented from being directly contacted with the movable contact piece 2 through the fixed connection mode of the metal piece 71 and the movable contact piece 2, so that the heat on the movable contact piece 2 is prevented from being conducted to the poking piece 7 to influence the performance of the poking piece 7; on the other hand, the synchronous action of the toggle piece 7 and the movable contact piece 2 can be ensured, and the synchronous consistency of the action of the toggle piece and the movable contact piece can be realized. The poking piece 7, the isolating piece (namely the metal piece 71) and the movable contact piece 2 are fixed together, so that the assembly process of the poking piece and the push rod 1 is simpler, and the original assembly of three parts and the push rod 1 is changed into the assembly of one part and the push rod 1.

The utility model discloses a catch bar integrated configuration of high voltage direct current relay, the spacing movable contact spring 2 of flange portion 12 and contact spring 3 that it links to each other rather than an organic whole are directly adopted to its 1 upper end of catch bar, make catch bar 1 upper end avoid adopting jump ring or nut to carry on spacingly, therefore can avoid appearing the cracked problem of jump ring, and simplified the assembly process of catch bar 1 part (need not to adorn the jump ring or twist the nut, some glue), make assembly efficiency promote, and available flange portion 12 is as the frock fixed point during assembly, with conveniently twist the movable iron core 6 of catch bar 1 lower extreme, it is more reasonable to make the assembly.

Please refer to fig. 3-5, the high voltage dc relay of the present invention includes a coil assembly 40, a movable iron core 6 and a counter force spring 9, and further includes a push rod 1 assembly structure of the high voltage dc relay as described in the present invention, the movable iron core 6 is connected to the lower end of the push rod 1, and the counter force spring 9 is sleeved on the push rod 1 and located between the movable iron core 6 and a third limiting portion located above the movable iron core 6.

In this embodiment, the third limiting portion is a magnetic conductive plate 10, and the push rod 1 penetrates through the magnetic conductive plate 10; the upper part of the magnetic conduction plate 10 is provided with a guide plate 20, and the push rod 1 penetrates through the guide plate 20. Therefore, the reaction spring 9 abuts between the magnetic conduction plate 10 and the movable iron core 6, and the reaction spring 9 is prevented from directly contacting with the guide plate 20 to scrape plastic scraps. Magnetic conduction board 10 is equipped with right the groove 101 of stepping down that dodges is carried out to coil assembly 40's coil pin, magnetic conduction board 10 is equipped with chamfer 102 respectively at the both ends punishment of this groove 101 of stepping down, so, can increase its and the enameled wire's on the coil assembly 40 distance to increase creepage distance, reinforcing withstand voltage value.

The utility model discloses a high-voltage direct-current relay assembles its pushing rod part timesharing, earlier with movable contact spring 2, contact spring 3, spring holder 4, axle sleeve 5 from 1 lower extreme of catch bar suit in catch bar 1 in proper order, passes deflector 20, magnetic conduction board 10 with catch bar 1 in proper order again, then sheathes in counter-force spring 9, at last, with catch bar 1 lower extreme with 6 threaded connection of movable iron core to it is fixed that the point is glued. Therefore, the utility model discloses simplified the assembly process who promotes the pole portion greatly, and catch bar 1 upper and middle, lower position all need not to adopt the jump ring spacing, avoids appearing the cracked risk of jump ring in catch bar 1 motion process.

The utility model discloses a catch bar integrated configuration and high-voltage direct-current relay of high-voltage direct-current relay does not relate to the part and all is the same with prior art or can adopt prior art to realize.

The above-mentioned embodiment only is used for further explaining the utility model discloses a catch bar integrated configuration and high-voltage direct current relay of high-voltage direct current relay, nevertheless the utility model discloses not confine the embodiment to, all be according to the utility model discloses a technical entity is any simple modification, the equivalent change and the modification of doing above embodiment, all falls into the utility model discloses technical scheme's within the scope of protection.

Claims

1. The utility model provides a catch bar integrated configuration of high voltage direct current relay, includes the catch bar to and suit in the movable contact spring and the contact spring of this catch bar, its characterized in that: the upper end of the push rod is provided with a first limiting part integrally connected with the push rod, the push rod is further provided with a second limiting part positioned below the first limiting part, the movable contact spring and the contact spring are limited between the first limiting part and the second limiting part, and the contact spring is positioned below the movable contact spring.

2. The push rod combination structure of the high-voltage direct-current relay as claimed in claim 1, wherein: the movable contact piece, the contact spring and the second limiting part are sequentially sleeved on the push rod from the lower end of the push rod and are mutually abutted in pairs.

3. The push rod combination structure of the high-voltage direct-current relay as claimed in claim 2, wherein: the second limiting part comprises a spring seat and a shaft sleeve which are sleeved outside the push rod, the upper end of the spring seat is abutted against the lower end of the contact spring, the lower end of the spring seat is abutted against the upper end of the shaft sleeve or integrally connected with the upper end of the shaft sleeve, and the lower end of the shaft sleeve is abutted against a movable iron core connected with the lower end of the push rod.

4. A push rod combination structure of a high-voltage direct-current relay according to claim 3, characterized in that: the lower end of the push rod is in threaded connection with the movable iron core, and the movable iron core is fixed through dispensing.

5. A push rod combination structure of a high-voltage direct-current relay according to claim 3, characterized in that: the push rod is provided with a downward step surface at the position of the spring seat, and the upper end of the spring seat is abutted against the step surface.

6. The push rod combination structure of the high-voltage direct-current relay as claimed in claim 1, wherein: the first limiting part is a flange part which is arranged at the upper end of the push rod and protrudes laterally.

7. A push rod combination structure of a high-voltage direct current relay according to any one of claims 1 to 6, characterized in that: the movable contact piece is provided with a toggle piece for triggering a microswitch of the high-voltage direct-current relay; the poking piece is fixed on an isolating piece which is fixedly connected with the movable contact piece and separates the poking piece from the movable contact piece.

8. The push rod combination structure of the high-voltage direct-current relay as claimed in claim 1, wherein: the first limiting part is a toggle piece for triggering a microswitch of the high-voltage direct-current relay, and the toggle piece and the push rod form an integrated structure through insert injection molding.

9. A push rod combination structure of a high-voltage direct-current relay according to claim 8, characterized in that: the push rod is sleeved with a spacer, and the spacer is positioned between the poking piece and the movable contact piece to separate the poking piece and the movable contact piece.

10. The utility model provides a high voltage direct current relay, includes coil pack, moves iron core and reaction spring, its characterized in that: the high-voltage direct-current relay push rod assembly structure further comprises a push rod assembly structure of the high-voltage direct-current relay as claimed in any one of claims 1 to 9, wherein the lower end of the push rod is connected with a movable iron core, and a counter force spring is sleeved on the push rod and is located between the movable iron core and a third limiting portion located above the movable iron core.

11. The high-voltage direct current relay according to claim 10, characterized in that: the third limiting part is a magnetic conduction plate, and the push rod penetrates through the magnetic conduction plate; the magnetic conduction plate is provided with a yielding groove for yielding the coil leading-out pin of the coil assembly, and chamfers are respectively arranged at two ends of the yielding groove of the magnetic conduction plate.