CN104900451A - Magnetic latching relay with counterforce reed - Google Patents
Magnetic latching relay with counterforce reed Download PDFInfo
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- CN104900451A CN104900451A CN201510211951.8A CN201510211951A CN104900451A CN 104900451 A CN104900451 A CN 104900451A CN 201510211951 A CN201510211951 A CN 201510211951A CN 104900451 A CN104900451 A CN 104900451A
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- Prior art keywords
- reverse force
- spring plate
- movable contact
- force spring
- bending
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
- H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
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- Electromagnetism (AREA)
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Abstract
The invention discloses a magnetic latching relay with a counterforce reed. The magnetic latching relay includes a movable reed, a movable contact and the counterforce reed; the counterforce reed is provided with a first bend and a second bend; the first bend is arranged between a fixed point where the counterforce reed and the movable reed are connected with each other and an edge which is adjacent to a riveting tail end and faces the root of the movable reed; the second bend is arranged between the first bend and the tail end of the counterforce reed; a length distance from the second bend of the counterforce reed to the tail end of the counterforce reed is larger than or equal to a length distance from the first bend to the second bend of the counterforce reed; and when the counterforce reed is stressed, and the movable contact and a fixed contact are closed, deformation quantity generated by the second bend is larger than the deformation quantity generated by the first bend. According to the structure of the magnetic latching relay, the counterforce reed only provides a stress, and does not participate in current carrying and heat dissipation of the relay, so that the selectable range of the materials of the counterforce reed is large; the movable reed only provides electric conduction and heat dissipation, so that requirements for the mechanical properties of the materials of the movable reed can be lowered. The magnetic latching relay with the counterforce reed has the advantages of simple assembly and high production efficiency.
Description
Technical field
The present invention relates to a kind of magnetic latching relay, especially relate to a kind of magnetic latching relay with reverse force spring plate.
Background technology
The structure of existing magnetic latching relay is made up of magnetic circuit system, contact system, pushing mechanism and pedestal usually.Magnetic circuit system is generally made up of the magnetic circuit of two almost symmetries, and comprise static magnetic conductor parts, movable magnetic conductor parts and coil, contact system comprises dynamic spring part, quiet spring part, and pushing mechanism is generally taken on by pushing block.Relay coil leads to direct impulse voltage, magnetic circuit system work, and pushing block promotes dynamic spring part, and make contact, the actuating of relay, coil leads to reverse impulse voltage, magnetic circuit system work, and pushing block promotes dynamic spring part, contact is disconnected, relay involution.In order to ensure that moving contact has enough overtravels, and producing enough pressure when the closing of contact, near movable contact spring head moving contact position, being usually designed with the elastic construction producing pressure.
In existing relay design, the elastic construction producing pressure is taken on by the movable contact spring of spring or conduction usually.Spring requires comparatively large at the installation of relay, located space, is unfavorable for the design of relay miniaturization; Conduction movable contact spring because simultaneously possess current-carrying, heat radiation with generation pressure function, to the electric conductivity of material and mechanical property requirements higher, it is strong that existing material is difficult to meet the high and resistance to mechanical fatigue properties of conductance simultaneously, and the electric conductivity often through expendable material obtains high resistance to mechanical fatigue energy.Meanwhile, owing to requiring higher to the electric of material and mechanical property, the hurried rising of material cost is often caused.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art, a kind of magnetic latching relay with reverse force spring plate is provided, by the architecture advances to dynamic spring part, allow reverse force spring plate only provide pressure, and do not participate in current-carrying and the cooling requirements of relay, make the selectable range of the material of reverse force spring plate larger, movable contact spring is allowed only to provide conduction, heat radiation, reduce the requirement of the movable contact spring mechanical property of materials, thus greatly reduce material cost, and have the advantages that assembling is simple, production efficiency is high; Reverse force spring plate takes up room little simultaneously, can promote the development of relay miniaturization.
The technical solution adopted for the present invention to solve the technical problems is: a kind of magnetic latching relay with reverse force spring plate, comprises dynamic spring part; Described dynamic spring part comprises movable contact spring for realizing current-carrying and moving contact; Described moving contact riveting is contained in the one side of movable contact spring, and has the riveted joint end of protrusion at the another side of movable contact spring; Described dynamic spring part also comprises reverse force spring plate, reverse force spring plate is contained in the another side of movable contact spring, reverse force spring plate one end is fixed between the root of movable contact spring and described riveted joint end, and the other end of reverse force spring plate extends to riveted joint end direction and is provided with the first bending and the second bending; Described first bending be located at fixing point that reverse force spring plate and movable contact spring connect and close to described riveted joint end towards movable contact spring root direction edge between, described second bending is located between the first bending and the end of reverse force spring plate, and the second bending of reverse force spring plate to the length dimension of reverse force spring plate end is more than or equal to the length dimension of the first bending to the second bending of reverse force spring plate.
Second bending of reverse force spring plate to the distance size of movable contact spring is greater than the bulge size of riveted joint end, when the stressed sound closing of contact of reverse force spring plate, the deflection that second bending produces is greater than the deflection that the first bending produces, make to be formed between the part between the second bending of reverse force spring plate to reverse force spring plate end and movable contact spring certain first gap, to dodge described riveted joint end and movable contact spring.
Further, when the stressed sound closing of contact of reverse force spring plate, only the second bending produces distortion, and the first bending does not produce distortion, make to be formed between the second bending of reverse force spring plate to the part and movable contact spring of reverse force spring plate end certain first gap, to dodge described riveted joint end and movable contact spring.
The width dimensions of the part of the first bending to the second bending of reverse force spring plate is more than or equal to the width dimensions of the second bending to the part of reverse force spring plate end of reverse force spring plate.
The gauge of the part of the first bending to the second bending of reverse force spring plate is more than or equal to the gauge of the second bending to the part of reverse force spring plate end of reverse force spring plate.
In described reverse force spring plate, correspond to be provided with auricle with the place of fixing of movable contact spring; Mounting groove is provided with at the correspondence position of movable contact spring; The auricle of described reverse force spring plate through the mounting groove of described movable contact spring, and carries out riveted joint formation anti-back structure adopting bending, slash through part or split the projection that riveting formed, and one end of described reverse force spring plate and movable contact spring are fixed.
In described reverse force spring plate, correspond to be provided with the first through hole with the place of fixing of movable contact spring; Flange bulge loop is provided with at the correspondence position of movable contact spring; Described movable contact spring flange bulge loop through the first through hole of described reverse force spring plate, and adopting flange riveting method to form anti-back structure through part, one end of described reverse force spring plate and movable contact spring are fixed.
In described reverse force spring plate, be provided with auricle with the place of fixing of movable contact spring corresponding to, described auricle is provided with can reverse part; Mounting groove is provided with at the correspondence position of movable contact spring; The auricle of described reverse force spring plate, through the mounting groove of described movable contact spring, can form anti-back structure in reverse part by what reverse auricle, one end of described reverse force spring plate and movable contact spring are fixed.
In described reverse force spring plate, correspond to be provided with auricle with the place of fixing of movable contact spring, described auricle is provided with elastic tongue piece; Mounting groove is provided with at the correspondence position of movable contact spring; The auricle of described reverse force spring plate, through the mounting groove of described movable contact spring, makes the elastic tongue piece of auricle be stuck in the back side formation anti-back structure of movable contact spring, one end of described reverse force spring plate and movable contact spring is fixed.
The auricle of described reverse force spring plate is elasticity bending.
In described reverse force spring plate, correspond to be provided with auricle with the place of fixing of movable contact spring, described auricle is rigidity bending, and auricle is provided with the portion of fastening; In described reverse force spring plate, correspond to also be provided with protuberance with the place of fixing of movable contact spring; The second through hole being matched with described protuberance is provided with at the correspondence position of movable contact spring; The protuberance of described reverse force spring plate is engaged in the second through hole of described movable contact spring, the auricle of reverse force spring plate is engaged in the side of movable contact spring, the portion of fastening of reverse force spring plate is engaged in the back side of movable contact spring and forms anti-back structure, and one end of described reverse force spring plate and movable contact spring are fixed.
One end of described reverse force spring plate and the end of movable contact spring are fixed by riveted joint.
A kind of magnetic latching relay with reverse force spring plate of the present invention, adopt independent reverse force spring plate, reverse force spring plate only provides pressure, do not participate in current-carrying and the heat radiation of relay, the bending of two places is provided with in reverse force spring plate, and the second bending of reverse force spring plate to the length dimension of reverse force spring plate end is more than or equal to the length dimension of the first bending to the second bending of reverse force spring plate, by setting the bending of two places, dynamic circuit connector pressure needed for relay and overtravel are provided, when reverse force spring plate is stressed, the deflection that second bending produces is greater than the deflection that the first bending produces, the deflection that preferably the first bending produces is close to zero, namely the second bending produces distortion, and the first bending does not produce distortion, like this, reverse force spring plate and movable contact spring form a first certain gap, first gap can ensure that reverse force spring plate is when the closing of contact, prevent the second bending of reverse force spring plate to the part of reverse force spring plate end from riveting end with dynamic spring point and movable contact spring contacts the relay inverse characteristic curve abrupt change caused, properties of product are unstable, reliability reduces, second bending can be used for regulating dynamic circuit connector pressure and overtravel.
The invention has the beneficial effects as follows:
1, owing to have employed independent reverse force spring plate, and on reverse force spring plate, be provided with the first bending and the second bending, reverse force spring plate is allowed only to provide pressure, and do not participate in current-carrying and the cooling requirements of relay, make the selectable range of the material of reverse force spring plate comparatively large, allow movable contact spring only provide conduction, heat radiation, reduce the requirement of the movable contact spring mechanical property of materials, thus greatly reduce material cost, and have the advantages that assembling is simple, production efficiency is high.
2, due to have employed the first bending is located at fixing point that reverse force spring plate and movable contact spring connect and close to described riveted joint end towards movable contact spring root direction edge between; Second bending is located between the first bending and the end of reverse force spring plate, and the second bending of reverse force spring plate to the length dimension of reverse force spring plate end is more than or equal to the length dimension of the first bending to the second bending of reverse force spring plate, reverse force spring plate is taken up room little, the development of relay miniaturization can be promoted.
3, due to have employed the first bending is located at fixing point that reverse force spring plate and movable contact spring connect and close to described riveting rivet end towards movable contact spring root direction edge between, second bending is located between the first bending and the end of reverse force spring plate, and the second bending to the distance size of movable contact spring is greater than the bulge size of riveted joint end, when the stressed moving contact of reverse force spring plate closes, the deflection that second bending produces is greater than the deflection that the first bending produces, the deflection that preferably the first bending produces is close to zero, namely the second bending produces distortion, and the first bending does not produce distortion, make to be formed between the part between the second bending of reverse force spring plate to reverse force spring plate end and movable contact spring certain first gap, thus can avoid when relay contact closure, part between second bending of reverse force spring plate to reverse force spring plate end rivets end with moving contact and movable contact spring contacts the relay inverse characteristic curve abrupt change caused, properties of product are unstable, reliability reduces.
4, owing to have employed when reverse force spring plate is stressed, the deflection that second bending produces is greater than the deflection that the first bending produces, the deflection that preferably the first bending produces is close to zero, namely the second bending produces distortion, and the first bending does not produce distortion, when making relay contact closure, make to be formed between the part between the second bending of reverse force spring plate to reverse force spring plate end and movable contact spring certain first gap; When this first gap also solves reverse force spring plate design, the reed width dimensions producing counter-force cannot meet the dynamic circuit connector pressure of product design and the demand of overtravel by the moving contact end reed width dimensions caused of stepping down, and the requirement of the anti-fatigue life set; The design of elastic reaction structure can be realized when relay design in less space, be conducive to the Miniaturization Design of relay overall dimension.
5, owing to have employed, auricle is set on reverse force spring plate, movable contact spring arranges mounting groove, by bending or slash, the projection of splitting the formation such as riveting or bending structure anti-back, make magnetic latching relay have the advantages that assembling is simple, production efficiency is high.
Below in conjunction with drawings and Examples, the present invention is described in further detail; But a kind of magnetic latching relay with reverse force spring plate of the present invention is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is the organigram of embodiment one the present invention (closing of contact);
Fig. 2 is the organigram of embodiment one the present invention (contact disconnection);
Fig. 3 is the organigram of embodiment one dynamic spring part of the present invention;
Fig. 4 is the structure decomposing schematic representation of embodiment one dynamic spring part of the present invention;
Fig. 5 is the schematic diagram of embodiment one dynamic spring part (closing of contact) of the present invention;
Fig. 6 is the schematic diagram of embodiment one dynamic spring part of the present invention (contact disconnection);
Fig. 7 is the organigram of the reverse force spring plate of embodiment one dynamic spring part of the present invention;
Fig. 8 is the front view of the reverse force spring plate of embodiment one dynamic spring part of the present invention;
Fig. 9 is the end view of the reverse force spring plate of embodiment one dynamic spring part of the present invention;
Figure 10 is the vertical view of the reverse force spring plate of embodiment one dynamic spring part of the present invention;
Figure 11 is the front view of the movable contact spring of embodiment one dynamic spring part of the present invention;
Figure 12 is the organigram of embodiment two dynamic spring part of the present invention;
Figure 13 is the structure decomposing schematic representation of embodiment two dynamic spring part of the present invention;
Figure 14 is the organigram of embodiment three dynamic spring part of the present invention;
Figure 15 is the structure decomposing schematic representation of embodiment three dynamic spring part of the present invention;
Figure 16 is the front view of embodiment three dynamic spring part of the present invention;
Figure 17 is the vertical view of embodiment three dynamic spring part of the present invention;
Figure 18 is the upward view of embodiment three dynamic spring part of the present invention;
Figure 19 is the organigram of the reverse force spring plate of embodiment three dynamic spring part of the present invention;
Figure 20 is the organigram of embodiment four dynamic spring part of the present invention;
Figure 21 is the structure decomposing schematic representation of embodiment four dynamic spring part of the present invention;
Figure 22 is the front view of embodiment four dynamic spring part of the present invention;
Figure 23 is the organigram of the reverse force spring plate of embodiment four dynamic spring part of the present invention;
Figure 24 is the organigram of embodiment five dynamic spring part of the present invention;
Figure 25 is the structure decomposing schematic representation of embodiment five dynamic spring part of the present invention;
Figure 26 is the front view of embodiment five dynamic spring part of the present invention;
Figure 27 is the organigram of the reverse force spring plate of embodiment five dynamic spring part of the present invention;
Figure 28 is the organigram of embodiment six dynamic spring part of the present invention;
Figure 29 is the structure decomposing schematic representation of embodiment six dynamic spring part of the present invention;
Figure 30 is the front view of embodiment six dynamic spring part of the present invention;
Figure 31 is the organigram of the reverse force spring plate of embodiment six dynamic spring part of the present invention;
Figure 32 is the organigram of embodiment seven dynamic spring part of the present invention;
Figure 33 is the structure decomposing schematic representation of embodiment seven dynamic spring part of the present invention;
Figure 34 is the front view of embodiment seven dynamic spring part of the present invention;
Figure 35 is the organigram of the reverse force spring plate of embodiment seven dynamic spring part of the present invention;
Figure 36 is the organigram of embodiment eight dynamic spring part of the present invention;
Figure 37 is the structure decomposing schematic representation of embodiment eight dynamic spring part of the present invention;
Figure 38 is the front view of embodiment eight dynamic spring part of the present invention;
Figure 39 is the organigram of the reverse force spring plate of embodiment eight dynamic spring part of the present invention;
Figure 40 is the organigram of embodiment nine dynamic spring part of the present invention;
Figure 41 is the structure decomposing schematic representation of embodiment nine dynamic spring part of the present invention;
Figure 42 is the front view of embodiment nine dynamic spring part of the present invention;
Figure 43 is the organigram of the reverse force spring plate of embodiment nine dynamic spring part of the present invention.
Embodiment
Embodiment one
See shown in Fig. 1 to Figure 11, a kind of magnetic latching relay with reverse force spring plate of the present invention, comprises magnetic circuit system, contact system, pushing mechanism and pedestal; Magnetic circuit system is generally made up of the magnetic circuit of two almost symmetries, and comprise static magnetic conductor parts, movable magnetic conductor parts and coil, contact system comprises dynamic spring part 10, quiet spring part 20, and pushing mechanism is generally taken on by pushing block 30; Described dynamic spring part comprises movable contact spring 11 for realizing current-carrying and moving contact 12; Wherein, movable contact spring 11 builds up by three, moving contact 12 has two, and the riveting of described moving contact 12 is contained in the one side of movable contact spring 11 (namely three stack rear), and has the riveted joint end 121 of protrusion at the another side of movable contact spring 11 (namely three stack rear); Described dynamic spring part also comprises reverse force spring plate 13, reverse force spring plate 13 is contained in the another side of movable contact spring 11 (namely three stack rear), reverse force spring plate 13 one end is fixed between the root of movable contact spring 11 and the riveted joint end 121 of described moving contact 12, and the other end of reverse force spring plate 13 extends to riveted joint end 121 direction and is provided with the first bending 131 and the second bending 132; Described first bending 131 be located at fixing point that reverse force spring plate and movable contact spring connect and close to described riveted joint moving contact end 121 towards movable contact spring root direction edge between; Described second bending 132 is located between the first bending 131 and the end of reverse force spring plate 13, second bending of reverse force spring plate to the length dimension of reverse force spring plate end is more than or equal to the length dimension of the first bending to the second bending of reverse force spring plate, and namely the second bending to the length dimension of the part 1303 of reverse force spring plate end of reverse force spring plate is more than or equal to the length dimension of the part 1302 of the first bending to the second bending of reverse force spring plate; The distance size of the second bending 132 to movable contact spring 11 of reverse force spring plate is greater than the bulge size of riveted joint end 121; When the stressed sound closing of contact of reverse force spring plate 13, the deflection that second bending 132 produces is greater than the deflection that the first bending 131 produces, make to be formed between the part 1303 between the second bending of reverse force spring plate to reverse force spring plate end and movable contact spring 11 certain first gap 133, to dodge described riveted joint end 121 and movable contact spring 11.
In described reverse force spring plate 13, the part 1301 of fixing point to the first bending that reverse force spring plate and movable contact spring connect reclines mutually with movable contact spring 11, first bending 131 of reverse force spring plate makes the part 1302 of the first bending to the second bending of reverse force spring plate 13 fold to the direction away from movable contact spring, and the second bending 132 of reverse force spring plate makes the second bending of reverse force spring plate fold into the direction near movable contact spring 11 again to the part 1303 of reverse force spring plate end; When the stressed sound closing of contact of reverse force spring plate, the deflection that second bending 132 produces is greater than the deflection that the first bending 131 produces, preferably the second bending 132 produces distortion, and the first bending 131 does not produce distortion, make to be formed between the part 1303 between the second bending of reverse force spring plate to reverse force spring plate end and movable contact spring 11 certain first gap 133, to dodge described riveted joint end and movable contact spring.
Second bending 132 of described reverse force spring plate 13 has preset bending angle, provides the dynamic circuit connector pressure corresponding with bending angle and overtravel to enable described dynamic spring part.
When reverse force spring plate designs, the width dimensions of part of the first bending to the second bending of reverse force spring plate the width dimensions of the second bending to the part of reverse force spring plate end of reverse force spring plate can also be more than or equal to.
The gauge of part of the first bending to the second bending of reverse force spring plate can also be more than or equal to the gauge of the second bending to the part of reverse force spring plate end of reverse force spring plate.
The fixed form of reverse force spring plate and movable contact spring: in described reverse force spring plate 13, correspond to be provided with two auricles 134 with the place of fixing of movable contact spring 11; Mounting groove 111 is provided with at the correspondence position of movable contact spring 11; The auricle 134 of described reverse force spring plate 13 passes the mounting groove 111 of described movable contact spring, and carries out riveted joint formation anti-back structure in the projection adopting slash 135 to be formed through part, and one end of described reverse force spring plate 13 and movable contact spring 11 are fixed.
A kind of magnetic latching relay with reverse force spring plate of the present invention, adopt independent reverse force spring plate 13, reverse force spring plate 13 only provides pressure, do not participate in current-carrying and the heat radiation of relay, the bending of two places is provided with in reverse force spring plate 13, by setting the bending of two places, dynamic circuit connector pressure needed for relay and overtravel are provided, when reverse force spring plate 13 is stressed, the deflection that second bending produces is greater than the deflection that the first bending produces, preferably the second bending 132 produces distortion, and the first bending 131 does not produce distortion, make to be formed between the part 1303 between the second bending of reverse force spring plate to reverse force spring plate end and movable contact spring certain first gap 133, first gap 133 can ensure that reverse force spring plate 13 is when the closing of contact, prevent the part 1303 between the second bending of reverse force spring plate to reverse force spring plate end from contacting with the riveted joint end 121 of moving contact 12 the relay inverse characteristic curve abrupt change caused with movable contact spring 11, properties of product are unstable, reliability reduces, second bending 132 can be used for regulating dynamic circuit connector pressure and overtravel.When this first gap 133 also solves reverse force spring plate design, the reed width dimensions producing counter-force cannot meet the dynamic circuit connector pressure of product design and the demand of overtravel by the moving contact end reed width dimensions caused of stepping down, and the requirement of the anti-fatigue life set; The design of elastic reaction structure can be realized when relay design in less space, be conducive to the Miniaturization Design of relay overall dimension.
Embodiment two
See shown in Figure 12 to Figure 13, a kind of magnetic latching relay with reverse force spring plate of the present invention, be with the difference of embodiment one, reverse force spring plate is different from the fixed form of movable contact spring.
Described dynamic spring part comprises movable contact spring 21 for realizing current-carrying and moving contact 22; Reverse force spring plate 23 has the first bending 231 and the second bending 232;
In described reverse force spring plate 23, correspond to be provided with the first through hole 234 with the place of fixing of movable contact spring; Flange bulge loop 211 is provided with at the correspondence position of movable contact spring; Described movable contact spring flange bulge loop 211 through the first through hole 234 of described reverse force spring plate, and adopting flange riveting method to form anti-back structure through part, one end of described reverse force spring plate 23 and movable contact spring 21 are fixed.
Embodiment three
See shown in Figure 14 to Figure 19, a kind of magnetic latching relay with reverse force spring plate of the present invention, be with the difference of embodiment one, reverse force spring plate is different from the fixed form of movable contact spring.
Described dynamic spring part comprises movable contact spring 31 for realizing current-carrying and moving contact 32; Reverse force spring plate 33 has the first bending 331 and the second bending 332;
In described reverse force spring plate 33, correspond to be provided with auricle 334 with the place of fixing of movable contact spring; Auricle 334 is provided with splits seam; Mounting groove 311 is provided with at the correspondence position of movable contact spring; The auricle 334 of described reverse force spring plate is through the mounting groove 311 of described movable contact spring, and adopting mirror image to split through part, projection that riveting formed carries out riveted joint formation anti-back structure, and one end of described reverse force spring plate 33 and movable contact spring 31 are fixed.
Embodiment four
See shown in Figure 20 to Figure 23, a kind of magnetic latching relay with reverse force spring plate of the present invention, be with the difference of embodiment one, reverse force spring plate is different from the fixed form of movable contact spring.
Described dynamic spring part comprises movable contact spring 41 for realizing current-carrying and moving contact 42; Reverse force spring plate 43 has the first bending 431 and the second bending 432;
In described reverse force spring plate 43, be provided with auricle 434 with the place of fixing of movable contact spring corresponding to, described auricle 434 is provided with can reverse part 435; Mounting groove 411 is provided with at the correspondence position of movable contact spring 41; The auricle 434 of described reverse force spring plate, through the mounting groove 411 of described movable contact spring, can form anti-back structure in reverse part 435 by what reverse auricle, one end of described reverse force spring plate 43 and movable contact spring 41 are fixed.
Embodiment five
See shown in Figure 24 to Figure 27, a kind of magnetic latching relay with reverse force spring plate of the present invention, be with the difference of embodiment one, reverse force spring plate is different from the fixed form of movable contact spring.
Described dynamic spring part comprises movable contact spring 51 for realizing current-carrying and moving contact 52; Reverse force spring plate 53 has the first bending 531 and the second bending 532;
In described reverse force spring plate 53, correspond to be provided with auricle 534 with the place of fixing of movable contact spring, described auricle 534 is provided with elastic tongue piece 535; Mounting groove 511 is provided with at the correspondence position of movable contact spring; The auricle 534 of described reverse force spring plate, through the mounting groove 511 of described movable contact spring, makes the elastic tongue piece 535 of auricle be stuck in the back side formation anti-back structure of movable contact spring 51, one end of described reverse force spring plate 53 and movable contact spring 51 is fixed.
Embodiment six
See shown in Figure 28 to Figure 31, a kind of magnetic latching relay with reverse force spring plate of the present invention, be with the difference of embodiment one, reverse force spring plate is different from the fixed form of movable contact spring.
Described dynamic spring part comprises movable contact spring 61 for realizing current-carrying and moving contact 62; Reverse force spring plate 63 has the first bending 631 and the second bending 632;
In described reverse force spring plate 63, correspond to be provided with auricle 634 with the place of fixing of movable contact spring; Mounting groove 611 is provided with at the correspondence position of movable contact spring 61; The auricle 634 of described reverse force spring plate passes the mounting groove 611 of described movable contact spring, and adopting wrap direction to carry out riveted joint formation anti-back structure through part, one end of described reverse force spring plate 63 and movable contact spring 61 is fixed.
Embodiment seven
See shown in Figure 32 to Figure 35, a kind of magnetic latching relay with reverse force spring plate of the present invention, be with the difference of embodiment one, reverse force spring plate is different from the fixed form of movable contact spring.
Described dynamic spring part comprises movable contact spring 71 for realizing current-carrying and moving contact 72; Reverse force spring plate 73 has the first bending 731 and the second bending 732;
In described reverse force spring plate 73, correspond to be provided with auricle 734 with the place of fixing of movable contact spring, described auricle 734 is provided with elastic tongue piece 735; The auricle 734 of reverse force spring plate is elasticity bending; The auricle 734 of described reverse force spring plate is clipped in the side of movable contact spring, and the back side making the elastic tongue piece 735 of auricle be stuck in movable contact spring 71 forms anti-back structure, and one end of described reverse force spring plate 73 and movable contact spring 71 are fixed.
Embodiment eight
See shown in Figure 36 to Figure 39, a kind of magnetic latching relay with reverse force spring plate of the present invention, be with the difference of embodiment one, reverse force spring plate is different from the fixed form of movable contact spring.
Described dynamic spring part comprises movable contact spring 81 for realizing current-carrying and moving contact 82; Reverse force spring plate 83 has the first bending 831 and the second bending 832;
In described reverse force spring plate 83, correspond to be provided with auricle 834 with the place of fixing of movable contact spring, described auricle 834 is rigidity bending, and auricle is provided with the portion of fastening 835; In described reverse force spring plate 83, correspond to also be provided with protuberance with the place of fixing of movable contact spring; The second through hole being matched with described protuberance is provided with at the correspondence position of movable contact spring; The protuberance of described reverse force spring plate is engaged in the second through hole of described movable contact spring, the auricle 834 of reverse force spring plate is engaged in the side of movable contact spring 81, the portion of fastening 835 of reverse force spring plate is engaged in the back side of movable contact spring and forms anti-back structure, and one end of described reverse force spring plate 83 and movable contact spring 81 are fixed.
Embodiment nine
See shown in Figure 40 to Figure 43, a kind of magnetic latching relay with reverse force spring plate of the present invention, be with the difference of embodiment one, reverse force spring plate is different from the fixed form of movable contact spring.
Described dynamic spring part comprises movable contact spring 91 for realizing current-carrying and moving contact 92; Reverse force spring plate 93 has the first bending 931 and the second bending 932;
One end of described reverse force spring plate 93 and the end of movable contact spring 91 are fixed by riveted joint.
Above-described embodiment is only used for further illustrating a kind of magnetic latching relay with reverse force spring plate of the present invention; but the present invention is not limited to embodiment; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all fall in the protection range of technical solution of the present invention.
Claims (12)
1. the magnetic latching relay with reverse force spring plate, comprises dynamic spring part; Described dynamic spring part comprises movable contact spring for realizing current-carrying and moving contact; Described moving contact riveting is contained in the one side of movable contact spring, and has the riveted joint end of protrusion at the another side of movable contact spring; It is characterized in that: described dynamic spring part also comprises reverse force spring plate, reverse force spring plate is contained in the another side of movable contact spring, reverse force spring plate one end is fixed between the root of movable contact spring and described riveted joint end, and the other end of reverse force spring plate extends to riveted joint end direction and is provided with the first bending and the second bending; Described first bending be located at fixing point that reverse force spring plate and movable contact spring connect and close to described riveted joint end towards movable contact spring root direction edge between, described second bending is located between the first bending and the end of reverse force spring plate, and the second bending of reverse force spring plate to the length dimension of reverse force spring plate end is more than or equal to the length dimension of the first bending to the second bending of reverse force spring plate.
2. the magnetic latching relay of band reverse force spring plate according to claim 1, it is characterized in that: the second bending of reverse force spring plate to the distance size of movable contact spring is greater than the bulge size of riveted joint end, when the stressed sound closing of contact of reverse force spring plate, the deflection that second bending produces is greater than the deflection that the first bending produces, make to be formed between the part between the second bending of reverse force spring plate to reverse force spring plate end and movable contact spring certain first gap, to dodge described riveted joint end and movable contact spring.
3. the magnetic latching relay of band reverse force spring plate according to claim 2, it is characterized in that: further, when the stressed sound closing of contact of reverse force spring plate, only the second bending produces distortion, and the first bending does not produce distortion, make to be formed between the second bending of reverse force spring plate to the part and movable contact spring of reverse force spring plate end certain first gap, to dodge described riveted joint end and movable contact spring.
4. the magnetic latching relay of the band reverse force spring plate according to claim 1 or 2 or 3, is characterized in that: the width dimensions of the part of the first bending to the second bending of reverse force spring plate is more than or equal to the width dimensions of the second bending to the part of reverse force spring plate end of reverse force spring plate.
5. the magnetic latching relay of the band reverse force spring plate according to claim 1 or 2 or 3, is characterized in that: the gauge of the part of the first bending to the second bending of reverse force spring plate is more than or equal to the gauge of the second bending to the part of reverse force spring plate end of reverse force spring plate.
6. the magnetic latching relay of the band reverse force spring plate according to claim 1 or 2 or 3, is characterized in that: in described reverse force spring plate, correspond to be provided with auricle with the place of fixing of movable contact spring; Mounting groove is provided with at the correspondence position of movable contact spring; The auricle of described reverse force spring plate through the mounting groove of described movable contact spring, and carries out riveted joint formation anti-back structure adopting bending, slash through part or split the projection that riveting formed, and one end of described reverse force spring plate and movable contact spring are fixed.
7. the magnetic latching relay of the band reverse force spring plate according to claim 1 or 2 or 3, is characterized in that: in described reverse force spring plate, correspond to be provided with the first through hole with the place of fixing of movable contact spring; Flange bulge loop is provided with at the correspondence position of movable contact spring; Described movable contact spring flange bulge loop through the first through hole of described reverse force spring plate, and adopting flange riveting method to form anti-back structure through part, one end of described reverse force spring plate and movable contact spring are fixed.
8. the magnetic latching relay of the band reverse force spring plate according to claim 1 or 2 or 3, is characterized in that: in described reverse force spring plate, and be provided with auricle with the place of fixing of movable contact spring corresponding to, described auricle is provided with can reverse part; Mounting groove is provided with at the correspondence position of movable contact spring; The auricle of described reverse force spring plate, through the mounting groove of described movable contact spring, can form anti-back structure in reverse part by what reverse auricle, one end of described reverse force spring plate and movable contact spring are fixed.
9. the magnetic latching relay of the band reverse force spring plate according to claim 1 or 2 or 3, is characterized in that: in described reverse force spring plate, correspond to be provided with auricle with the place of fixing of movable contact spring, described auricle is provided with elastic tongue piece; Mounting groove is provided with at the correspondence position of movable contact spring; The auricle of described reverse force spring plate, through the mounting groove of described movable contact spring, makes the elastic tongue piece of auricle be stuck in the back side formation anti-back structure of movable contact spring, one end of described reverse force spring plate and movable contact spring is fixed.
10. the magnetic latching relay of band reverse force spring plate according to claim 9, is characterized in that: the auricle of described reverse force spring plate is elasticity bending.
The magnetic latching relay of 11. band reverse force spring plates according to claim 1 or 2 or 3, is characterized in that: in described reverse force spring plate, and be provided with auricle with the place of fixing of movable contact spring corresponding to, described auricle is rigidity bending, and auricle is provided with the portion of fastening; In described reverse force spring plate, correspond to also be provided with protuberance with the place of fixing of movable contact spring; The second through hole being matched with described protuberance is provided with at the correspondence position of movable contact spring; The protuberance of described reverse force spring plate is engaged in the second through hole of described movable contact spring, the auricle of reverse force spring plate is engaged in the side of movable contact spring, the portion of fastening of reverse force spring plate is engaged in the back side of movable contact spring and forms anti-back structure, and one end of described reverse force spring plate and movable contact spring are fixed.
The magnetic latching relay of 12. band reverse force spring plates according to claim 1 or 2 or 3, is characterized in that: one end of described reverse force spring plate and the end of movable contact spring are fixed by riveted joint.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510211951.8A CN104900451B (en) | 2015-04-29 | 2015-04-29 | A kind of magnetic latching relay with reverse force spring plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510211951.8A CN104900451B (en) | 2015-04-29 | 2015-04-29 | A kind of magnetic latching relay with reverse force spring plate |
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| CN104900451A true CN104900451A (en) | 2015-09-09 |
| CN104900451B CN104900451B (en) | 2017-09-05 |
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| CN107068489A (en) * | 2016-12-19 | 2017-08-18 | 时太工业科技（上海）有限公司 | The mechanism loading of relay |
| CN109036971A (en) * | 2018-08-10 | 2018-12-18 | 厦门宏发信号电子有限公司 | A kind of movable contact spring of relay and the connection structure of exit |
| CN110323106A (en) * | 2018-03-29 | 2019-10-11 | 厦门台松精密电子有限公司 | Movable elastic piece structure and its relay |
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| CN110323106A (en) * | 2018-03-29 | 2019-10-11 | 厦门台松精密电子有限公司 | Movable elastic piece structure and its relay |
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| CN104900451B (en) | 2017-09-05 |
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