CN216487883U - Transmission frame of electromagnetic relay and electromagnetic relay - Google Patents

Abstract

The transmission frame comprises a transmission frame main body, a transmission frame driving arm and a transmission frame driven part, wherein the transmission frame driving arm is used for being in driving connection with a movable reed component of the electromagnetic relay, and the transmission frame driven part is used for being in driving connection with an armature and an elastic component of the electromagnetic relay; the transmission frame driving arm and the transmission frame driven part are respectively arranged at two sides of the transmission frame main body, and the transmission frame main body is rotationally arranged and driven by the armature iron to rotate; the transmission frame is under the elasticity of the elastic piece, so that the transmission frame drives the movable spring leaf component to compress the normally closed static spring leaf component of the electromagnetic relay, the steep degree of a counter force curve is reduced, and the action performance of the electromagnetic relay is improved.

Description

Transmission frame of electromagnetic relay and electromagnetic relay

Technical Field

The utility model relates to the technical field of electrical switches, in particular to a transmission frame of an electromagnetic relay and the electromagnetic relay comprising the transmission frame.

Background

The existing electromagnetic relays, especially thin relays, mostly drive an armature to act by exciting an electromagnetic coil, and the armature drives a movable spring to overcome the counter-force swing generated by the deformation of the armature through a transmission frame, so that the purpose of breaking a normally closed contact and closing a normally open contact to realize switch switching is achieved.

In the existing electromagnetic relay, a counter force system is of a linear single-increase structure, a counter force curve is steeper, and in order to ensure that pull-in voltage meets expectations, the contact pressure of a normally closed contact needs to be further reduced; the above structure leads to several drawbacks:

1. the assembly process is difficult, and the transmission frame is designed to be accurately sleeved into a round hole arranged in the middle of the movable spring after passing through the middle of the normally closed stationary spring;

2. the static joint pressure between the normally closed contact and the movable contact is small, and from the theoretical calculation and actual measurement conditions, the static joint pressure is generally less than 0.1N, and is relatively small under the current load of 10A/250VAC, so that the problems that the contact of the electromagnetic relay generates high heat under long-term current carrying, and the service life of a product is shortened are caused;

3. the normally closed static reed has large current-carrying density, and the current-carrying area of the static reed is reduced due to the opening for the transmission frame to pass through arranged in the middle of the normally closed static reed, so that the current-carrying density of the static reed is increased, and the problem that the heat productivity of the static reed is higher and the use of a product is influenced under the long-term current carrying of the electromagnetic relay is caused;

4. the transmission mechanism of the electromagnetic relay is in one-way transmission, only the movable reed component can be pushed to close the normally open contact, pressure is generated by the elasticity of the movable reed component to close the movable reed component and the normally closed contact, and after the elasticity performance of the movable reed component is reduced at high temperature, the static joint pressure between the movable reed component and the normally closed contact is further reduced, so that vicious circle of high-temperature elasticity loss is generated, and the problem of product failure is always caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides the transmission frame of the electromagnetic relay, which has a simple structure and can improve the contact reliability of the electromagnetic relay; also provided is an electromagnetic relay including the transmission frame, which has reliable contact and long service life.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a transmission frame of an electromagnetic relay comprises a transmission frame main body, a transmission frame driving arm and a transmission frame driven part, wherein the transmission frame driving arm is used for being in driving connection with a movable reed component of the electromagnetic relay; the transmission frame driving arm and the transmission frame driven part are respectively arranged at two sides of the transmission frame main body, and the transmission frame main body is rotationally arranged and driven by the armature iron to rotate; the transmission frame is under the elasticity of the elastic piece, so that the transmission frame drives the movable reed component to compress the normally closed static reed component of the electromagnetic relay.

Preferably, two the relative interval setting of transmission frame actuating arm forms the transmission frame that is used for dodging normally closed static reed subassembly between two transmission frame actuating arms and dodges the space.

Preferably, the driving arm of the transmission frame comprises a movable reed clamping structure which is arranged at the free end of the driving arm and used for being matched with the movable reed assembly, and the movable reed clamping structure comprises two movable reed clamps which are arranged oppositely and a movable reed clamping groove which is formed between the two movable reed clamps.

Preferably, the driven part of the transmission frame is provided with a transmission frame spring piece clamping groove matched with the elastic piece and a transmission frame armature jack matched with the armature.

Preferably, the transmission frame main body further comprises an action indicating sheet for indicating the working state of the electromagnetic relay and a transmission frame rotating shaft for pivotally arranging the transmission frame.

Preferably, the driving frame main part is H type structure, and including main part board, driving frame end foot and driving frame upper arm, driving frame actuating arm and driving frame driven portion set up respectively main part board both sides, two the driving frame end foot sets up at the interval side by side main part board one end, every the driving frame end foot is equipped with a driving frame pivot, two the driving frame upper arm sets up at the interval side by side the main part board other end, every the driving frame upper arm is equipped with an action instruction piece.

Preferably, the transmission frame spring plate clamping groove of the transmission frame driven part is positioned between the transmission frame armature jack of the transmission frame driven part and the main body plate of the transmission frame main body.

The utility model also provides an electromagnetic relay, which comprises the transmission frame in any scheme; the electromagnetic relay further comprises an electromagnetic system, a base assembly and a housing, wherein the base assembly comprises a base and a contact system arranged on the base, the contact system comprises a movable reed assembly and a static reed assembly which are matched with each other, the static reed assembly comprises a normally closed static reed assembly and a normally open static reed assembly which are respectively positioned on two sides of the movable reed assembly, and the electromagnetic system comprises a coil assembly, an elastic element, an iron core, a yoke and an armature; the transmission frame is rotatably arranged on the base, and the transmission frame main body is positioned between the electromagnetic system and the normally closed static reed assembly; the elastic piece is fixedly arranged between the armature and the transmission frame main body and is respectively in driving fit with the armature and the transmission frame.

Preferably, the base includes a base shaft groove engaged with a transmission frame rotation shaft of the transmission frame body.

Preferably, the base comprises yoke assembling columns, and the two yoke assembling columns are respectively located on two sides of the yoke in the width direction and are respectively in limit fit with the yoke; the elastic piece is positioned between the armature and the transmission frame main body and is respectively in limit fit with the yoke iron and the yoke iron assembling column.

Preferably, the elastic piece includes shell fragment main part and shell fragment locating arm, and shell fragment main part one end links to each other with the drive of the drive frame driven part of drive frame, and the other end and armature drive cooperation, two sets of shell fragment locating arms all are located between two yoke assembly posts and are located the width direction's of yoke both sides respectively, and every shell fragment locating arm one end is spacing with the yoke, and the other end sets up in the shell fragment constant head tank on the yoke assembly post.

Preferably, the spring main body comprises a spring main body connecting plate positioned in the middle of the spring main body and a first spring plate and a second spring plate respectively positioned at two ends of the spring main body; the elastic sheet main body connecting plate is respectively connected with the two groups of elastic sheet positioning arms in a bending way; the first elastic plate is in driving connection with the driven part of the transmission frame, and applies acting force to the transmission frame to enable the transmission frame to apply acting force to the movable reed component to enable the movable reed component to compress the normally closed stationary reed component; the second elastic plate is in driving fit with the armature and applies acting force to the armature to separate the armature from an iron core of the electromagnetic system.

Preferably, the coil assembly comprises a coil framework and an electromagnetic coil wound on the coil framework, the iron core is inserted in the middle of the coil framework, one end of the iron core is connected with one end of the yoke, and the other end of the iron core is matched with the armature; the yoke iron and the armature iron are arranged outside the coil assembly in a surrounding mode; the armature comprises an armature driven part and an armature driving part which are connected in a bending mode, the armature driven part is matched with the iron core, the armature driving part is in driving fit with the transmission frame driven part, and the armature is rotatably arranged at the other end of the yoke.

According to the electromagnetic relay, the traditional 3-section type reaction curve is changed into the 5-section type reaction curve through the matching of the transmission frame and the elastic piece and the interaction of the movable spring leaf assembly and the elastic piece, so that the steepness degree of the reaction curve is reduced, and the action performance of the electromagnetic relay is improved; and the elastic component exerts elasticity to the transmission frame, makes the transmission frame drive movable reed subassembly compress tightly normally closed static reed subassembly, compares with the current mode that only relies on movable reed subassembly's elastic force to make it and normally closed static reed subassembly closed, is showing the static of having increased the normally closed static reed subassembly of movable reed subassembly and closes pressure, reduces electromagnetic relay and generates heat under long-term current-carrying, prolongs electromagnetic relay's life.

In addition, when the transmission frame is matched with the movable reed assembly, the two transmission frame driving arms extend to the movable reed assembly from two sides of the normally closed static reed assembly, and compared with the mode that the existing transmission frame driving arms are connected with the movable reed assembly in a driving mode after penetrating through a avoidance hole arranged in the middle of the normally closed static reed assembly, the current-carrying area of the normally closed static reed assembly is increased, and the current-carrying density on the normally closed static reed assembly is reduced, so that the problem that the normally closed static reed assembly is higher in heat under the long-term current-carrying condition is avoided and obviously weakened, and the service life of the electromagnetic relay is prolonged; and the position relation of the transmission frame and the normally closed static reed assembly reduces the assembly difficulty of the electromagnetic relay and is beneficial to improving the assembly efficiency.

Drawings

FIG. 1 is a schematic diagram of an exploded structure of an electromagnetic relay of the present invention;

fig. 2 is a schematic sectional view in the thickness direction of the electromagnetic relay according to the present invention, in which the movable spring element and the normally closed stationary spring element are closed;

fig. 3 is a schematic sectional view in the height direction of the electromagnetic relay according to the present invention, in which the movable spring element and the normally closed stationary spring element are closed;

fig. 4 is a schematic sectional structure view in the thickness direction of the electromagnetic relay according to the present invention, in which the movable spring element and the normally open stationary spring element are closed;

fig. 5 is a schematic sectional view in the height direction of the electromagnetic relay according to the present invention, in which the movable spring element and the normally open stationary spring element are closed;

FIG. 6 is a perspective view of an electromagnetic system assembly of the present invention;

FIG. 7 is a side view of an electromagnetic system assembly of the present invention showing at least a tab and an insert;

FIG. 8 is another side elevational schematic view of the electromagnetic system assembly of the present invention showing at least the spring and yoke;

FIG. 9 is a schematic diagram of a cross-sectional configuration of an electromagnetic system of the present invention;

FIG. 10 is a side view of the base assembly of the present invention;

FIG. 11 is a schematic perspective view of the base assembly of the present invention;

FIG. 12 is a schematic view of the construction of the transmission frame of the present invention;

FIG. 13 is a side view of the drive frame of the present invention;

FIG. 14A is another side view of the present invention gear rack;

FIG. 14B is a schematic structural diagram of an electromagnetic relay according to the present invention, in which a spring plate engaging groove of a transmission frame is a through-type engaging groove;

FIG. 15 is a schematic front view of the elastic member of the present invention;

FIG. 16 is a side view of the spring of the present invention;

FIG. 17 is another side view of the elastic member of the present invention;

fig. 18 is a schematic diagram showing a comparison of a reaction force curve of the electromagnetic relay according to the present invention and a reaction force curve of a conventional electromagnetic relay.

Detailed Description

The driving frame of the electromagnetic relay and the specific implementation of the electromagnetic relay of the present invention are further described with reference to the embodiments shown in fig. 1 to 18. The driving frame of the electromagnetic relay and the electromagnetic relay of the present invention are not limited to the description of the following embodiments.

As shown in fig. 1, the present invention discloses an electromagnetic relay, which comprises an electromagnetic system 1, a base component 2, a housing 3 and a transmission frame 4; as shown in fig. 2, 10 and 11, the base assembly 2 comprises a base 204 and a contact system arranged on the base 204, the contact system comprises a movable spring assembly 201 and a static spring assembly 202 which are used together, and the static spring assembly 202 comprises a normally closed static spring assembly 2020 and a normally open static spring assembly 2021 which are respectively positioned at two sides of the movable spring assembly 201; as shown in fig. 6 to 9, the electromagnetic system 1 includes a coil assembly 100, an elastic member 14, an iron core 105, a yoke 107 and an armature 108, the iron core 105 is disposed in the middle of the coil assembly 100, the yoke 107 and the armature 108 are used cooperatively and disposed outside the coil assembly 100, and the armature 108 is also used cooperatively with the iron core 105; as shown in fig. 1, 4, 12-14, the transmission frame 4 includes a transmission frame main body 40, a transmission frame driving arm 405 for driving connection with the movable reed assembly 201, and a transmission frame driven part 408 for driving connection with the armature 108 and the elastic member 14, the transmission frame driving arm 405 and the transmission frame driven part 408 are respectively disposed at two sides of the transmission frame main body 40, and the transmission frame main body 40 is rotatably disposed and driven by the armature 108 to rotate; as shown in fig. 2-5, the driving frame 4 is under the elastic force of the elastic element 14, so that the driving frame 4 drives the movable spring element 201 to press the normally closed stationary spring element 2020.

According to the electromagnetic relay, through the matching of the transmission frame 4 and the elastic piece 14 and the interaction of the movable reed assembly 201 and the elastic piece 14, a conventional 3-segment type reaction force curve (shown as a broken line in fig. 18) is changed into a 5-segment type reaction force curve (shown as a solid line broken line in fig. 18), the steep degree of the reaction force curve is reduced, and the action performance of the electromagnetic relay is improved; and the elastic component 14 applies elasticity to the transmission frame 4, so that the transmission frame 4 drives the movable reed component 201 to press the normally closed static reed component 2020 or the normally open static reed component 2021, and compared with the existing mode that the movable reed component 201 is closed by only depending on the elastic force of the movable reed component 2020 and the normally closed static reed component 2020, the static closing pressure of the normally closed static reed component 2020 of the movable reed component 201 is obviously increased, the heating of the electromagnetic relay under long-term current carrying is reduced, and the service life of the electromagnetic relay is prolonged.

Specifically, as shown in fig. 1, 2 and 4, the housing 3 and the base 204 cooperate to form a first assembly space, and the electromagnetic system 1, the contact system and the transmission frame 4 are all disposed in the first assembly space; as shown in fig. 2 and 4, the contact system and the electromagnetic system 1 are respectively located at the left and right sides of the first assembly space, and the transmission frame 4 is located between the contact system and the electromagnetic system 1, and is used for transmitting the driving force generated by the electromagnetic system 1 to the movable spring piece assembly 201 of the contact system.

Preferably, as shown in fig. 3, 5, 12-14, two of the transmission frame driving arms 405 are oppositely arranged at a distance, and a transmission frame avoiding space for avoiding the normally closed static spring assembly 2020 is formed between the two transmission frame driving arms 405. When the transmission frame 4 is matched with the movable reed assembly 201, the two transmission frame driving arms 405 extend from two sides of the normally closed static reed assembly 2020 to the movable reed assembly 201, and compared with the mode that the existing transmission frame driving arms are connected with the movable reed assembly 201 in a driving mode after penetrating through a avoidance hole arranged in the middle of the normally closed static reed assembly 2020, the current-carrying area of the normally closed static reed assembly 2020 is increased, and the current-carrying density on the normally closed static reed assembly is reduced, so that the problem that the normally closed static reed assembly 2020 is high in heat under the long-term current-carrying condition is avoided and obviously weakened, and the service life of the electromagnetic relay is prolonged; and the position relation of the transmission frame 4 and the normally closed static reed component 2020 reduces the assembly difficulty of the electromagnetic relay and is beneficial to improving the assembly efficiency.

Preferably, as shown in fig. 14, the driving arm 405 includes a movable reed clamping structure disposed at a free end thereof for cooperating with the movable reed assembly 201, and the movable reed clamping structure includes two movable reed catches 406 disposed oppositely and a movable reed catch slot 407 formed between the two movable reed catches 406. Further, the movable reed card slot 407 may be a through type or a non-through type card slot. Specifically, as shown in fig. 14B, when the movable reed clamping slot 407 is a through type clamping slot, a movable reed clamping table is convexly arranged in the width direction of the movable reed assembly 201, and the movable reed clamping table is inserted into the movable reed clamping slot 407 and penetrates through the transmission frame driving arm 405; alternatively, as shown in fig. 14A, when the movable reed slot 407 is a non-through slot, two sides of the movable reed assembly 201 in the width direction are respectively clamped in the two movable reed slots 407.

Preferably, as shown in fig. 12, the transmission frame driven part 408 is provided with a transmission frame spring slot 403 matched with the elastic element 14 and a transmission frame armature jack 404 matched with the armature 108. Further, as shown in fig. 2, 4 and 12, the transmission piece spring clip groove 403 is located between the transmission frame armature insertion hole 404 and the main body plate.

Preferably, as shown in fig. 2, 4, 12 and 13, the transmission frame main body 40 further includes an operation indicating plate 401 for indicating an operation state of the electromagnetic relay and a transmission frame rotating shaft 402 for pivotally arranging the transmission frame 4. Further, as shown in fig. 2, 4, 12, and 13, the action indication plate 401 and the transmission frame rotating shaft 402 are respectively disposed at two ends of the transmission frame main body 40, the housing 3 is provided with an action indication window (the action indication window may be an opening or a transparent window) correspondingly matched with the action indication plate 401, and the base 204 is provided with a base shaft groove 2040 matched with the transmission frame main body 40.

As shown in fig. 12-14, one embodiment of the transmission member 4 is: drive frame 4 is frame type structure, including drive frame main part 40, drive frame drive arm 405, drive frame driven part 408, drive frame pivot 402 and drive frame instruction piece 401, drive frame drive arm 405 and drive frame driven part 408 set up respectively in the both sides of drive frame main part 40 and are located drive frame main part 40 middle part respectively, two drive frame drive arms 405 set up side by side the interval and form the drive frame that is used for dodging normally closed static reed subassembly 2020 between the two and dodge the space, drive frame driven part 408 is equipped with drive frame armature jack 404 and drive frame shell fragment draw-in groove 403, drive frame shell fragment draw-in groove 403 is located between drive frame armature jack 404 and the drive frame main part 40, drive frame pivot 402 and drive frame instruction piece 401 set up respectively at drive frame main part 40 both ends.

Preferably, as shown in fig. 12 to 14, the transmission frame main body 40 is an H-shaped structure, and includes a main body plate, transmission frame bottom feet and transmission frame upper arms, the transmission frame driving arms 405 and the transmission frame driven parts 408 are respectively disposed on two sides of the main body plate, the two transmission frame bottom feet are disposed at one end of the main body plate side by side at intervals, each transmission frame bottom foot is provided with one transmission frame rotating shaft 402, the two transmission frame upper arms are disposed at the other end of the main body plate side by side at intervals, and each transmission frame upper arm is provided with one action indication sheet 401. Further, the transmission frame rotating shaft 402 is arranged at one end of the transmission frame bottom foot far away from the main body plate, and the action indicating sheet 401 is arranged at one end of the transmission frame upper arm far away from the main body plate.

Preferably, as shown in fig. 12, the transmission frame spring plate slot 403 is divided into two half slots respectively located at two sides of the transmission frame passive portion 408.

Preferably, as shown in fig. 2, 4 and 9, the elastic member 14 is disposed between the armature 108 and the transmission frame body 40, and has one end engaged with the armature 108 and the other end drivingly connected to the transmission frame driven portion 408 of the transmission frame 4. Further, as shown in fig. 2 and 4, the resilient member 14 includes a first spring plate 1430 in driving engagement with the armature 108 and a second spring plate 144 in driving engagement with the transmission frame driven portion 408.

Specifically, as shown in fig. 2, the lower end of the first elastic plate 1430 is clamped in the transmission frame elastic sheet clamping groove 403 of the transmission frame passive portion 408, and one side of the second elastic plate 144 is in elastic contact with the armature 108. Further, as shown in fig. 2, the armature 108 includes an armature driven portion and an armature driving portion connected to each other in a bent manner, and one side of the second elastic plate 144 elastically contacts with the bent portion of the armature 108.

As shown in fig. 2 and 3, the electromagnetic relay of the present invention is in a static state, the electromagnetic system 1 is in a non-excited state, the movable reed assembly 201 and the normally closed stationary reed assembly 2020 are closed, and the first elastic plate 1430 of the elastic member 14 is deformed by the interference of the transmission frame driven portion 408, so that a deformation force generated by the interference of the transmission frame driven portion 408 acts on the transmission frame driven portion 408 of the transmission frame 4, so that the transmission frame 4 applies an acting force to the movable reed assembly 201, the movable reed assembly 201 is pressed against the normally closed stationary reed assembly 2020, and the stationary contact pressure between the movable reed assembly 201 and the normally closed stationary reed assembly 2020 is increased.

As shown in fig. 4 and 5, the electromagnetic relay according to the present invention is in an operating state, the electromagnetic system 1 is in an excitation state, the armature 108 is adsorbed by the iron core 105 and rotates, the armature 108 is subjected to the limit fit of the transmission frame armature jack 404 of the transmission frame receiving portion 408, and transfers the displacement to the transmission frame 4, so as to drive the transmission frame 4 to move toward the normally open static reed assembly 2021, and meanwhile, the first elastic plate 1430 of the elastic element 14 generates a deformation force generated by deformation in the opposite direction (the direction opposite to the moving direction of the transmission frame 4), and because the electromagnetic force is greater than the deformation force, the normally open static reed assembly 2021 and the movable reed assembly 201 are closed, and the normally open static reed assembly 2021 is pressed by the movable reed assembly 201, and a reliable dynamic contact pressure exists between the normally open static reed assembly 2021 and the movable reed assembly 2021.

Preferably, as shown in fig. 9 and 15-17, the elastic member 14 further includes an elastic force adjusting plate 145, and the elastic force adjusting plate 145 and the second elastic plate 144 are located at the same end of the elastic member 14, after the electromagnetic relay of the present invention is assembled, the initial counterforce of the elastic member 14 can be adjusted by clamping the elastic force adjusting plate 145, so as to avoid the problem of the decrease of the yield strength of the elastic sheet caused by directly adjusting the movable spring assembly 201, and improve the reliability and adjustability of the product. Further, as shown in fig. 9 and 15-17, the elastic force adjusting plate 145 is located between two second elastic plates 144 arranged side by side at intervals.

Specifically, as shown in fig. 2, 9 and 16, after the electromagnetic relay of this embodiment is assembled, an operator may use a clamping tool such as tweezers or pliers to clamp the elastic force adjusting plate 145 up and down, pull the elastic force adjusting plate 145 clockwise or counterclockwise, change the angle of the elastic force adjusting plate 145 through plastic deformation, so as to change the angle of the first elastic plate 1430, thereby changing the initial position of the first elastic plate 1430 and changing the corresponding deformation force accordingly.

Preferably, as shown in fig. 2, 4, 6, 11, 16, and 17, the base 204 includes yoke assembling columns 2041, two yoke assembling columns 2041 are respectively located at two sides of the yoke 107 in the width direction and respectively in limit fit with the yoke 107; the elastic element 14 is in limit fit with the yoke 107 and the yoke assembling column 2041 respectively. Further, as shown in fig. 2, 4, 6, 11, 16, and 17, the elastic element 14 includes an elastic sheet main body and elastic sheet positioning arms 142, one end of the elastic sheet main body is drivingly connected to the transmission frame driven portion 408 of the transmission frame 4, the other end of the elastic sheet main body is drivingly engaged with the armature 108, two sets of elastic sheet positioning arms 142 are located between the two yoke assembling columns 2041 and located on two sides of the yoke 107 in the width direction, respectively, one end of each elastic sheet positioning arm 142 is in limit engagement with the yoke 107, and the other end of each elastic sheet positioning arm is disposed in an elastic sheet positioning groove 20412 on the yoke assembling column 2041. Further, as shown in fig. 6 and 16, two sides of the yoke 107 in the width direction are respectively provided with a yoke spring positioning boss, one end of each spring positioning arm 142 is provided with a spring positioning arm clamping slot 1420, and the spring positioning arm clamping slots 1420 are matched with the yoke spring positioning bosses.

Preferably, as shown in fig. 10, the yoke assembling column 2041 further includes an assembling column yoke positioning groove 20410 and an assembling column yoke positioning hole 20411, the assembling column yoke positioning groove 20410 is disposed at a free end of the yoke assembling column 2041, the yoke spring piece positioning table of the yoke 107 is clamped in the assembling column yoke positioning groove 20410, the yoke 107 further includes yoke positioning protrusions disposed on both sides in the width direction thereof, and the yoke positioning protrusions are inserted in the yoke positioning holes 20411.

Preferably, as shown in fig. 15 and 16, the striking flake body comprises a striking flake body connecting plate 1432 located at the middle part thereof, and a first striking flake 1430 and a second striking flake 144 located at the two ends of the striking flake body respectively; the elastic sheet main body connecting plate 1432 is respectively connected with the two elastic sheet positioning arms 142 in a bending way; as shown in fig. 2, the first elastic plate 1430 is bent toward the side of the transmission frame driven part 408 of the transmission frame 4, and the second elastic plate 144 is bent toward the side of the armature 108; the first elastic plate 1430 applies acting force to the transmission frame 4, so that the transmission frame 4 applies acting force to the movable spring piece assembly 201 to press the normally closed static spring piece assembly 2020; the second spring plate 144 applies a force to the armature 108 that separates it from the core 105 of the electromagnetic system. As shown in fig. 15, the striking flake main body further includes a third elastic plate 1431 located in the middle of the first elastic plate 1430 and surrounded by the first elastic plate 1430, and the third elastic plate 1431 and the elastic force adjusting plate 145 together form an elongated plate to increase the force arm of the initial counter force of the clamping adjusting elastic member 14.

Preferably, as shown in fig. 15 and 16, the first spring plate 1430 includes first spring plate connection portions 14301 and first spring plate driving portions 14302, the two first spring plate connection portions 14301 are located at two sides of the third spring plate 1431, one ends of the two first spring plate connection portions 14301 are connected to the spring plate main body connection plate 1432 in a bent manner, the other ends of the two first spring plate connection portions 14301 are connected to two ends of the first spring plate driving portion 14302 in a bent manner, the first spring plate driving portion 14302 is M-shaped, the middle portion protrudes toward the third spring plate 1431, and a first spring plate driving portion slot is formed at one side of the first spring plate driving portion 14302 facing the transmission frame driven portion 408. Further, the first spring plate driving portion 14302 is disposed in parallel with the spring plate main body connecting plate 1432 and is shifted to the side of the transmission member main body 40.

Preferably, as shown in fig. 16, the second spring plate 144 has a V-shaped structure, one end of which is connected to the first spring plate connection portion 14301 in a bent manner, the middle of which protrudes to the side where the armature 108 is located, and the other end of which is bent to the side where the transmission frame 4 is located.

Preferably, the elastic member 14 is a spring sheet made of an elastic material.

As shown in fig. 6-9, an embodiment of the electromagnetic system 1 is: the electromagnetic system 1 comprises a coil assembly, an elastic piece 14, an iron core 105, a yoke 107 and an armature 108; the coil assembly comprises a coil framework 101 and an electromagnetic coil 103 wound on the coil framework 101, an iron core 105 is inserted in the middle of the coil framework 101, one end of the iron core is connected with one end of a yoke 107, and the other end of the iron core is matched with an armature 108; the yoke 107 and the armature 108 are arranged around the outside of the coil assembly; the armature 108 comprises an armature driven part and an armature driving part which are connected in a bending mode, the armature driven part is matched with the iron core 105, the armature driving part is matched with a transmission frame driven part 408 of the transmission frame 4 in a driving mode, and the armature 108 is rotatably arranged at the other end of the yoke 107. Further, as shown in fig. 6 to 9, the yoke 107 is provided with an armature fitting groove, and the armature 108 is rotatably disposed in the armature fitting groove.

Preferably, as shown in fig. 6, the electromagnetic system 1 further includes a connecting sheet 109 and an inserting sheet 102 respectively disposed on the bobbin 101, the connecting sheet 109 and the inserting sheet 102 are respectively disposed at two ends of the bobbin 1 and located at one side of the bobbin 101, the yoke 107 is located at the other side of the bobbin 101, the inserting sheet 102 is used for connecting the electromagnetic coil 103, and the connecting sheet 109 is used for being in inserting fit with an indicator light module 110 of the electromagnetic relay.

Preferably, as shown in fig. 1, the indicator light module 110 is located between the electromagnetic system 1 and the bottom wall of the enclosure 3.

Preferably, as shown in fig. 10, the base 204 further includes a static spring mounting column 2042 for inserting a normally closed static spring assembly 2020 and a normally open static spring assembly 2021, and the two static spring mounting columns 2042 are respectively located at two sides of the movable spring assembly 201.

Preferably, as shown in fig. 10 and 11, the base 204 further includes a base main body 2040, a normally closed static reed wiring insertion sheet, a normally open static reed wiring insertion sheet, a movable reed wiring insertion sheet, and a coil wiring insertion sheet 203, the static reed assembling column 2042 and the yoke assembling column 2041 are located on one side of the base main body 2040, and the normally closed static reed wiring insertion sheet, the normally open static reed wiring insertion sheet, the movable reed wiring insertion sheet, and the coil wiring insertion sheet 203 are located on the other side of the base main body 2040.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims (13)

1. The transmission frame of the electromagnetic relay is characterized by comprising a transmission frame main body (40), a transmission frame driving arm (405) which is in driving connection with a movable reed component (201) of the electromagnetic relay and a transmission frame driven part (408) which is in driving connection with an armature (108) and an elastic piece (14) of the electromagnetic relay; the transmission frame driving arm (405) and the transmission frame driven part (408) are respectively arranged on two sides of the transmission frame main body (40), and the transmission frame main body (40) is rotationally arranged and is driven by the armature (108) to rotate; the transmission frame (4) is under the elastic force of the elastic piece (14), so that the transmission frame (4) drives the movable reed component (201) to press the normally closed static reed component (2020) of the electromagnetic relay.

2. The actuator frame for an electromagnetic relay according to claim 1, characterized in that: two drive frame actuating arm (405) relative interval sets up, forms the drive frame that is used for dodging normally closed static reed subassembly (2020) between two drive frame actuating arms (405) and dodges the space.

3. The actuator frame for an electromagnetic relay according to claim 2, characterized in that: the transmission frame actuating arm (405) is including setting up on its free end be used for with movable reed subassembly (201) complex movable reed joint structure, movable reed joint structure is including two movable reed card that relative setting keep off (406) and be formed at movable reed draw-in groove (407) between two movable reed card fender (406).

4. The actuator frame for an electromagnetic relay according to claim 1, characterized in that: the transmission frame driven part (408) is provided with a transmission frame spring piece clamping groove (403) matched with the elastic piece (14) and a transmission frame armature inserting hole (404) matched with the armature (108).

5. The actuator frame for an electromagnetic relay according to claim 1, characterized in that: the transmission frame main body (40) further comprises an action indicating sheet (401) used for indicating the working state of the electromagnetic relay and a transmission frame rotating shaft (402) used for pivotally arranging the transmission frame (4).

6. The actuator frame for an electromagnetic relay according to claim 5, characterized in that: the transmission frame main part (40) is H type structure, including main part board, transmission frame end foot and transmission frame upper arm, and transmission frame actuating arm (405) and transmission frame driven portion (408) set up respectively main part board both sides, two the transmission frame end foot sets up side by side at an interval main part board one end, every the transmission frame end foot is equipped with one transmission frame pivot (402), two the transmission frame upper arm sets up side by side at an interval the main part board other end, every the transmission frame upper arm is equipped with one and moves instruction piece (401).

7. The actuator frame for an electromagnetic relay according to claim 4, characterized in that: and the transmission frame spring plate clamping groove (403) of the transmission frame driven part (408) is positioned between the transmission frame armature iron jack (404) of the transmission frame driven part (408) and the main body plate of the transmission frame main body (40).

8. An electromagnetic relay, characterized in that it comprises a transmission frame (4) according to any one of claims 1-7; the electromagnetic relay further comprises an electromagnetic system (1), a base assembly (2) and a housing (3), wherein the base assembly (2) comprises a base (204) and a contact system arranged on the base (204), the contact system comprises a movable reed assembly (201) and a static reed assembly (202) which are matched for use, the static reed assembly (202) comprises a normally closed static reed assembly (2020) and a normally open static reed assembly (2021) which are respectively positioned on two sides of the movable reed assembly (201), and the electromagnetic system (1) comprises a coil assembly (100), an elastic element (14), an iron core (105), a yoke (107) and an armature (108); the transmission frame (4) is rotatably arranged on the base (204) and the transmission frame main body (40) is positioned between the electromagnetic system (1) and the normally closed static reed assembly (2020); the elastic piece (14) is fixedly arranged between the armature (108) and the transmission frame main body (40) and is respectively in driving fit with the armature (108) and the transmission frame (4).

9. An electromagnetic relay according to claim 8, characterized in that: the base (204) includes a base axial slot (2040) that mates with a carrier shaft (402) of the carrier body (40).

10. An electromagnetic relay according to claim 8, characterized in that: the base (204) comprises yoke assembling columns (2041), and the two yoke assembling columns (2041) are respectively positioned on two sides of the width direction of the yoke (107) and are respectively in limit fit with the yoke (107); the elastic piece (14) is positioned between the armature (108) and the transmission frame main body (40) and is in limit fit with the yoke iron (107) and the yoke iron assembling column (2041) respectively.

11. An electromagnetic relay according to claim 10, characterized in that: elastic component (14) include shell fragment main part and shell fragment locating arm (142), shell fragment main part one end links to each other with the drive of the drive frame passive portion (408) of drive frame (4) drive, the other end and armature (108) drive fit, two sets of shell fragment locating arms (142) all are located between two yoke erection columns (2041) and are located the width direction's of yoke (107) both sides respectively, every shell fragment locating arm (142) one end and yoke (107) spacing cooperation, the other end sets up in shell fragment constant head tank (20412) on yoke erection column (2041).

12. An electromagnetic relay according to claim 11, characterized in that: the spring plate main body comprises a spring plate main body connecting plate (1432) positioned in the middle of the spring plate main body, and a first spring plate (1430) and a second spring plate (144) which are respectively positioned at two ends of the spring plate main body; the elastic piece main body connecting plate (1432) is respectively connected with the two groups of elastic piece positioning arms (142) in a bending way; the first elastic plate (1430) is in driving connection with the driven part (408) of the transmission frame, and the first elastic plate (1430) applies acting force to the transmission frame (4) to enable the transmission frame (4) to apply acting force to the movable reed component (201) to enable the movable reed component (201) to press the normally closed stationary reed component (2020); the second spring plate (144) is in driving engagement with the armature (108) to apply a force to the armature (108) that separates it from the core (105) of the electromagnetic system.

13. An electromagnetic relay according to claim 8, characterized in that: the coil assembly comprises a coil framework (101) and an electromagnetic coil (103) wound on the coil framework (101), an iron core (105) is inserted in the middle of the coil framework (101), one end of the iron core is connected with one end of a yoke (107), and the other end of the iron core is matched with an armature (108); the yoke iron (107) and the armature iron (108) are arranged outside the coil assembly in an enclosing manner; the armature (108) comprises an armature driven part and an armature driving part which are connected in a bending mode, the armature driven part is matched with the iron core (105), the armature driving part is in driving fit with the transmission frame driven part (408), and the armature (108) is rotatably arranged at the other end of the yoke (107).

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