CN112038179A - Limit structure and magnetic latching relay of movable spring lead-out sheet - Google Patents

Limit structure and magnetic latching relay of movable spring lead-out sheet Download PDF

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Publication number
CN112038179A
CN112038179A CN202010711049.3A CN202010711049A CN112038179A CN 112038179 A CN112038179 A CN 112038179A CN 202010711049 A CN202010711049 A CN 202010711049A CN 112038179 A CN112038179 A CN 112038179A
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CN
China
Prior art keywords
leading
movable spring
limiting
base
cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010711049.3A
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Chinese (zh)
Inventor
林景煌
刘金枪
谭忠华
林正极
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhangzhou Hongfa Electron Wave Music Co ltd
Original Assignee
Zhangzhou Hongfa Electron Wave Music Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhangzhou Hongfa Electron Wave Music Co ltd filed Critical Zhangzhou Hongfa Electron Wave Music Co ltd
Priority to CN202010711049.3A priority Critical patent/CN112038179A/en
Publication of CN112038179A publication Critical patent/CN112038179A/en
Priority to EP21185918.6A priority patent/EP3944265B1/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/14—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)

Abstract

The invention discloses a limiting structure of a movable spring lead-out piece and a magnetic latching relay, wherein the limiting structure comprises a base of the relay and the movable spring lead-out piece, the base is provided with a first cavity, and the movable spring lead-out piece is inserted into the first cavity from the side surface of the base; the movable spring leading-out piece comprises a leading-out pin and a main piece body used for being connected with the movable spring piece, and the leading-out pin is arranged on the main piece body; the main sheet body is provided with a limiting part, the base is correspondingly provided with a limiting groove, and the limiting groove is communicated with the first cavity; the limiting part is inserted in the limiting groove along the insertion direction of the movable spring leading-out piece and cannot move up and down. The invention can limit the up-down freedom degree of the main sheet body of the movable spring lead-out sheet, and avoid the phenomenon that the main sheet body of the movable spring lead-out sheet shakes up and down when the magnetic latching relay falls or is impacted by external force, thereby being beneficial to improving the consistency of the mechanical performance of products.

Description

Limit structure and magnetic latching relay of movable spring lead-out sheet
Technical Field
The invention relates to the field of relays, in particular to a limiting structure of a movable spring lead-out piece and a magnetic latching relay.
Background
The movable spring of the magnetic latching relay comprises a movable reed and a movable spring lead-out sheet which are riveted together and inserted into a cavity arranged at the bottom of the base of the magnetic latching relay. The movable spring leading-out piece comprises a main piece body and leading-out pins arranged on the main piece body, and the main piece body is riveted with the movable spring piece. Because there is certain clearance between the main lamellar body that the movable spring draws forth the piece and the cavity top surface rather than place, lead to when magnetic latching relay because of falling or receiving external force impact, the movable spring draws forth the piece and appears rocking about easily and influence contact clearance, contact overstroke and contact pressure etc to can't guarantee the uniformity of product mechanical properties.
Disclosure of Invention
The invention provides a limiting structure of a movable spring lead-out sheet and a magnetic latching relay aiming at the technical problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a limit structure of a movable spring lead-out piece comprises a base of a relay and the movable spring lead-out piece, wherein the base is provided with a first cavity, and the movable spring lead-out piece is inserted into the first cavity from the side surface of the base; the movable spring leading-out piece comprises a leading-out pin and a main piece body used for being connected with the movable spring piece, and the leading-out pin is arranged on the main piece body; the main sheet body is provided with a limiting part, the base is correspondingly provided with a limiting groove, and the limiting groove is communicated with the first cavity; the limiting part is inserted in the limiting groove along the insertion direction of the movable spring leading-out piece and cannot move up and down.
Furthermore, a boss used for supporting the main sheet body is arranged in the first cavity, the leading-out pins are positioned on the outer side of the boss, and the bottom ends of the leading-out pins extend to the lower part of the base; the limiting part and the tail part of the movable reed connected with the main sheet body are positioned on the same side of the main sheet body, the limiting part extends downwards and is bent, and the bottom surface of the limiting groove is lower than the boss.
Furthermore, the limiting part is Z-shaped, the high end of the limiting part is connected with the main sheet body, and the bottom end of the limiting part faces the middle part of the first cavity; the shape of the limiting groove is matched with the limiting part, or the limiting groove is L-shaped, and the width of the vertical part of the limiting groove is larger than or equal to the width of the top of the limiting part.
Furthermore, each corner of the limiting part is respectively set as a fillet, and the main sheet body and the top of one end of the limiting part, which is far away from the leading-out pins, are respectively provided with a chamfer; the top surface of the boss is provided with a yielding groove, the yielding groove is far away from the limiting groove, and one end, close to the leading-out pin, of the top surface of the table top is provided with a chamfer.
Furthermore, the leading-out foot is L-shaped, one horizontal side of the leading-out foot is connected with the main sheet body, and one vertical side of the leading-out foot extends downwards; the first cavity is internally provided with a retaining wall positioned at the inner side of the leading-out pin, the retaining wall is provided with a limiting convex part used for limiting the leading-out pin to move upwards and/or towards the middle of the first cavity, and the limiting convex part is an L-shaped limiting convex rib matched with the outer corner of the leading-out pin; the limiting groove is located between the boss and the retaining wall.
Furthermore, the movable spring leading-out piece is inserted into the first cavity from one side of the base in the width direction, the limiting part is located at one end of the main piece body in the length direction of the base, and the leading-out pins are arranged at one end of the main piece body in the width direction of the base and are matched with an opening of the first cavity for the movable spring leading-out piece to be inserted into.
Furthermore, a blocking part is arranged in the first cavity and abuts against the side face of the other end of the main sheet body in the length direction of the base; the blocking part is matched with the limiting groove to limit the degree of freedom of the main sheet body and the limiting part thereof in the length direction of the base; a chamfer is arranged at one end of the blocking part close to the leading-out pin of the first cavity; the blocking part is a baffle or a barrier strip.
Furthermore, a crimping part is arranged on the top surface of the first cavity, and the bottom end of the crimping part is abutted against the top surface of the other end of the main sheet body in the length direction of the base; the crimping part is a pressing plate or a pressing strip.
Furthermore, a plurality of clamping barbs are arranged on the side face of the other end of the main sheet body in the length direction of the base, and corners of the clamping barbs are respectively set to be rounded corners; a process notch is formed in one end, provided with the leading-out pin, of the main sheet body; the main sheet body is provided with a plurality of riveting holes or riveting columns for riveting with the movable reed; the base is also provided with a second cavity for mounting a magnetic circuit portion of the relay.
The invention also provides a magnetic latching relay, which comprises the limiting structure of the movable spring leading-out piece.
Compared with the prior art, the invention has the following beneficial effects:
1. the main sheet body of the movable spring lead-out sheet is provided with the limiting part which is inserted into the corresponding limiting groove arranged on the base and cannot move up and down, so that the up-and-down freedom degree of the main sheet body of the movable spring lead-out sheet can be limited, the phenomenon that the main sheet body of the movable spring lead-out sheet shakes up and down when the magnetic latching relay falls or is impacted by external force is avoided, and the consistency of the mechanical performance of products is improved.
2. Spacing portion with movable contact spring afterbody that the main leaf body is connected is located same one side of the main leaf body, spacing portion downwardly extending bends, spacing tank face is less than the boss can avoid spacing also to the movable contact spring that the main leaf body is connected or to take place to interfere with the movable contact spring that the main leaf body is connected of spacing portion to avoid influencing the elasticity of movable contact spring, also ensure that the movable contact spring has sufficient activity space.
3. The limiting part is Z-shaped and has the characteristics of easiness in forming, easiness in inserting, good upper and lower limiting effect and the like.
4. Each turning of spacing portion is established respectively to the radius angle, main leaf body and spacing portion are kept away from the one end top of pin is equipped with the chamfer angle respectively, can avoid the movable spring to draw the piece and pack into the base when, takes place the scraping and produces the plastics bits.
5. The retaining wall and the limiting convex part thereof can limit the leading-out pins, and the condition that the leading-out pins influence the performance of the relay due to the change of relevant mechanical parameters of a relay product caused by stress in the production process and the application process of the product is avoided.
6. The blocking part is abutted against the side face of the other end of the main sheet body in the length direction of the base and is matched with the limiting groove to limit the degree of freedom of the main sheet body and the limiting part of the main sheet body in the length direction of the base, so that the degree of freedom of the main sheet body of the movable spring piece in the length direction of the base can be limited, the phenomenon that the main sheet body of the movable spring leading-out piece transversely shakes when the magnetic latching relay falls or is impacted by external force is avoided, and the consistency of the mechanical performance of products is further improved.
7. The setting of crimping portion combines spacing portion and spacing groove's cooperation realizes bilateral spacingly in the upper and lower direction to the main leaf body, has improved the spacing effect of main leaf body in the upper and lower direction greatly to be favorable to further improving product mechanical properties's uniformity.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the limit structure of the movable spring lead-out piece and the magnetic latching relay according to the present invention are not limited to the embodiments.
Drawings
FIG. 1 is an exploded schematic view of the present invention;
FIG. 2 is a perspective view of the movable spring tab of the present invention;
FIG. 3 is a top view of the moving spring tab of the present invention;
FIG. 4 is a cross-sectional view A-A of the moving spring tab of the present invention;
FIG. 5 is a schematic perspective view of the base of the present invention;
FIG. 6 is a front view of the base of the present invention;
FIG. 7 is a cross-sectional view of the base of the present invention;
FIG. 8 is a perspective view of the movable spring tab of the present invention shown installed in a base;
fig. 9 is a cross-sectional view of the movable spring terminal of the present invention after being mounted in a base.
Detailed Description
In an embodiment, please refer to fig. 1 to 9, the limiting structure of a movable spring leading-out piece of the present invention includes a base 1 and a movable spring leading-out piece 2 of a relay, a first cavity 11 is disposed at the bottom of the base 1, an opening leading to the outside is disposed on the first cavity 11 in the width direction of the base 1, the movable spring leading-out piece 2 is inserted into the first cavity 11 from the side of the base, and specifically, the movable spring leading-out piece 2 is inserted into the first cavity 11 from the side where the width direction of the base 1 is located. The base 1 and the movable spring leading-out piece 2 are specifically, but not limited to, a base and a movable spring leading-out piece of a magnetic latching relay. The base is further provided with a second cavity 12 for mounting a magnetic circuit part of the relay, the second cavity 12 being in a substantially up-down relationship with the first cavity 11. The movable spring leading-out piece 2 comprises a leading-out pin 22 and a main piece body 21 connected with the movable spring piece 3, the leading-out pin 22 is arranged at one end of the main piece body 21 in the width direction of the base 1, and the leading-out pin 22 is matched with an opening of the first cavity 11 for the movable spring leading-out piece 2 to be inserted into. One end of the main sheet body 21 in the length direction of the base 1 is provided with a limiting part 23, and the tail part of the movable reed 3 connected with the limiting part 23 and the main sheet body 21 is positioned at the same side of the main sheet body 21; the bottom of the base 1 is also provided with a limit groove 112 leading to the outside along the width direction of the base, and the limit groove 112 is communicated with the first cavity 11; the stopper 23 is inserted into the stopper groove 112 in the insertion direction of the movable spring tab 2 and is not movable up and down.
In this embodiment, the first cavity 11 has a boss 111 therein for supporting the main sheet 21, and the lead-out pin 22 is located outside the boss 111, and the bottom end of the lead-out pin extends below the base 1. The limiting part 23 extends downwards and is bent, and the bottom surface of the limiting groove 112 is lower than the boss 111.
In this embodiment, the limiting portion 23 is in a zigzag shape, the high end of the limiting portion is connected to the main sheet body 21, the bottom end of the limiting portion faces the middle of the first cavity 11, and the width of the top of the limiting portion is smaller than that of the bottom of the limiting portion. The bending angles alpha and beta of the upper and lower parts of the limiting part 23 are both 90 degrees, the sum of the width of the top of the limiting part 23 and the width of the main sheet body 21 is a1, the height of the vertical part of the limiting part 23 is b1, and the width of the bottom of the limiting part 23 is L1. Alpha and beta can be adjusted according to the adaptability of the critical dimensions a1 and b1 and the manufacturability of parts, so that the relative position of the fixed movable spring lead-out piece 2 is better. The limiting groove 112 is L-shaped, the width of the vertical portion of the limiting groove is slightly larger than the width of the top of the limiting portion 23, and the width L2 of the bottom of the limiting groove is slightly larger than the width L1 of the bottom of the limiting portion 23, so that the bottom of the limiting portion 23 is completely released, and the limitation of the degree of freedom is not affected under the condition of a better molding process. The height difference between the upper end of the horizontal part of the limiting groove 112 and the top surface of the boss 111 is b2, which is matched with the b 1. In other embodiments, the shape of the limiting groove is matched with the shape of the limiting part. The shape of the stopper portion 23 is not limited to the zigzag shape,
in this embodiment, each corner of the limiting portion 23 is a rounded corner, and the main sheet 21 and the limiting portion 23 thereof are located in the length direction of the base 1 and are provided with a chamfered corner 214 at the top of the end far away from the lead-out pin 22. Therefore, plastic scraps caused by scraping when the movable spring leading-out piece 2 is arranged in the base 1 can be avoided.
In this embodiment, the lead-out pin 22 is L-shaped, and one horizontal side thereof is connected to the main sheet body 21, and one vertical side thereof extends downward; the first cavity 11 is provided with a retaining wall 113 which is positioned at the inner side of the leading-out pin 22 to limit the leading-out pin 22 to move towards the inner side of the first cavity, and the retaining wall 113 is provided with a limit convex part for limiting the leading-out pin 22 to move upwards and/or towards the middle of the first cavity 11. The limiting protrusion is embodied as an L-shaped limiting rib 114 fitted at an outer corner of the lead-out pin 22, but is not limited thereto. The limiting groove 112 is located between the boss 111 and the retaining wall 113. The horizontal one side top surface of pin 22 is equipped with two breachs, and left breach is the semicircle, and the 90 angles of bending of mould shaping of being convenient for, the right side breach is the rectangle for with the barricade 113 adaptation of base 1.
In this embodiment, a blocking portion 115 is disposed on one end side of the first cavity 11 in the length direction of the base 1, and the blocking portion 115 abuts against the other end side of the main sheet body 21 in the length direction of the base 1; the blocking portion 115 cooperates with the limiting groove 112 to limit the degree of freedom of the main plate 21 and the limiting portion 23 thereof in the length direction of the base 1, and specifically, the distance between the blocking portion 115 and the right side wall of the vertical portion of the limiting groove 112 is a2, which is adapted to the a1, so as to limit the degree of freedom of the main plate 21 and the limiting portion 23 thereof in the length direction of the base 1. One end of the stopping portion 115 close to the leading-out pin 22 is provided with a chamfer so that the main body 21 of the movable spring leading-out piece 2 can smoothly enter the first cavity 11. The blocking portion 115 is a baffle or a barrier strip.
In this embodiment, one end of the top surface of the boss 111 in the length direction of the base 1 is provided with a yielding groove 117, and the yielding groove 117 is far away from the limiting groove 112. The receding groove 117 can recede the burr position of the movable spring leading-out sheet 2, and plastic scraps generated when the burr surface scrapes the base 1 are reduced. The top surface of the boss 111 is provided with a chamfer 1111 at one end close to the pin 22 in the base width direction, so that the main body 21 of the movable spring leading-out piece 2 can smoothly enter the first cavity 11. In this embodiment, the top surface of the first cavity 11 is provided with a press-connecting part 116 located above the boss 111, and the bottom end of the press-connecting part 116 abuts against the top surface of the other end of the main sheet body 21 in the length direction of the base 1; the crimping portion 116 is a press plate or a press strip.
In this embodiment, the main sheet body 21 is provided with a plurality of clamping barbs 211 on the other end side surface in the length direction of the base 1, and the corners of each clamping barb 211 are respectively set to be rounded corners so as to reduce the generation of inserted foreign matters (plastic chips). The end of the first cavity of the main piece body 21, where the lead-out pin 22 is arranged, is provided with a process notch 212, and the process notch 212 is used as a manipulator action point when the movable spring lead-out piece 2 is installed in the base 1. The main body 21 is provided with a plurality of riveting columns 213 for riveting with the movable spring 3, and the plurality of riveting columns 213 are distributed along the width direction of the base 1. The number of the rivet posts 213 is two, but not limited thereto. The staking posts 213 may be replaced with staking holes.
According to the limiting structure of the movable spring leading-out piece, when the limiting structure is installed, after the main piece body 21 of the movable spring leading-out piece 2 is connected with the movable spring piece 3, the whole body is inserted from the corresponding position of the opening part of the first cavity 11 of the base, and the movable spring leading-out piece 2 and the movable spring piece 3 are limited in the first cavity 11. In the installation, along with main lamellar body 21 inserts first cavity 11, its spacing portion 23 also inserts spacing groove 112 to this upper and lower degree of freedom to main lamellar body 21 that the piece 2 was drawn to the movable spring limits, avoids the main lamellar body 21 that the piece 2 was drawn to the movable spring to fall or the phenomenon that rocks about appearing when receiving external force impact at the magnetic latching relay, thereby is favorable to improving the uniformity of product mechanical properties. The press-connection part 116 is combined with the matching of the limiting part 23 and the limiting groove 112, so that bilateral limitation of the main sheet body 21 in the vertical direction is realized, the limiting effect of the main sheet body 21 in the vertical direction is greatly improved, and the consistency of the mechanical performance of the product is further improved.
The limiting part 23 and the movable reed 3 connected with the main sheet body 21 are located on the same side of the main sheet body 21 and extend and bend downwards, the bottom surface of the limiting groove 112 is lower than the boss 111, so that the limiting part 23 can be prevented from limiting or interfering the movable reed 3 connected with the main sheet body 21, the elasticity of the movable reed 3 is prevented from being influenced, and the movable reed 3 is ensured to have enough moving space. The retaining wall 113 and the limiting convex part thereof can limit the leading-out pins 22, so that the situation that the performance of the relay is influenced by the change of relevant mechanical parameters of a relay product caused by the stress of the leading-out pins 22 in the production process and the application process of the product is avoided. The blocking portion 115 abuts against the side face of the other end of the main sheet body 21 in the length direction of the base 1 and cooperates with the limiting groove 112 to limit the degree of freedom of the main sheet body 21 and the limiting portion 23 thereof in the length direction of the base 1, so that the degree of freedom of the main sheet body 21 of the movable spring 3 in the length direction of the base 1 can be limited, the phenomenon that the main sheet body 21 of the movable spring leading-out sheet 2 transversely shakes when the magnetic latching relay falls or is impacted by external force is avoided, and the consistency of the mechanical performance of products is further improved.
According to the limiting structure of the movable spring leading-out piece, the movable spring leading-out piece can be limited in multiple dimensions through the structural design of the movable spring leading-out piece and the base matched with the movable spring leading-out piece, so that the degree of freedom of the movable spring leading-out piece is reduced (the degree of freedom that the movable spring leading-out piece can only move along the direction opposite to the inserting direction of the movable spring leading-out piece is reduced), the stability and the robustness of the position of the movable spring part are ensured, and the contact gap, the contact overtravel and the contact pressure stability of a relay product are improved. Meanwhile, the leading-out pins of the movable spring leading-out piece are limited independently, so that the phenomenon that the movable spring leading-out piece influences the performance of the relay due to the change of relevant mechanical parameters of a relay product caused by the stress of the leading-out pins in the production process and the application process is avoided.
The magnetic latching relay comprises the limiting structure of the movable spring lead-out piece.
The above embodiments are only used to further illustrate the limiting structure of the moving spring lead-out piece and the magnetic latching relay of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. A limit structure of a movable spring lead-out piece comprises a base of a relay and the movable spring lead-out piece, wherein the base is provided with a first cavity, and the movable spring lead-out piece is inserted into the first cavity from the side surface of the base; the movable spring leading-out piece comprises a leading-out pin and a main piece body used for being connected with the movable spring piece, and the leading-out pin is arranged on the main piece body; the method is characterized in that: the main sheet body is provided with a limiting part, the base is correspondingly provided with a limiting groove, and the limiting groove is communicated with the first cavity; the limiting part is inserted in the limiting groove along the insertion direction of the movable spring leading-out piece and cannot move up and down.
2. The limit structure of a movable spring lead-out piece according to claim 1, characterized in that: the first cavity is internally provided with a boss for supporting the main sheet body, the leading-out pins are positioned at the outer side of the boss, and the bottom ends of the leading-out pins extend to the lower part of the base; the limiting part and the tail part of the movable reed connected with the main sheet body are positioned on the same side of the main sheet body, the limiting part extends downwards and is bent, and the bottom surface of the limiting groove is lower than the boss.
3. The limit structure of a movable spring lead-out piece according to claim 2, characterized in that: the limiting part is Z-shaped, the high end of the limiting part is connected with the main sheet body, and the bottom end of the limiting part faces the middle part of the first cavity; the shape of the limiting groove is matched with the limiting part, or the limiting groove is L-shaped, and the width of the vertical part of the limiting groove is larger than or equal to the width of the top of the limiting part.
4. The limit structure of a movable spring lead-out piece according to claim 2, characterized in that: the corners of the limiting part are respectively set to be rounded corners, and the main sheet body and the top of one end of the limiting part, which is far away from the leading-out pins, are respectively provided with a chamfer angle; the top surface of the boss is provided with a yielding groove, the yielding groove is far away from the limiting groove, and one end, close to the leading-out pin, of the top surface of the table top is provided with a chamfer.
5. The limit structure of a movable spring lead-out piece according to claim 2, characterized in that: the leading-out foot is L-shaped, one horizontal side of the leading-out foot is connected with the main sheet body, and one vertical side of the leading-out foot extends downwards; the first cavity is internally provided with a retaining wall positioned at the inner side of the leading-out pin, the retaining wall is provided with a limiting convex part used for limiting the leading-out pin to move upwards and/or towards the middle of the first cavity, and the limiting convex part is an L-shaped limiting convex rib matched with the outer corner of the leading-out pin; the limiting groove is located between the boss and the retaining wall.
6. The limit structure of a movable spring lead-out piece according to any one of claims 1 to 5, wherein: the movable spring leading-out piece is inserted into the first cavity from one side of the base in the width direction, the limiting part is located at one end of the main piece body in the length direction of the base, and the leading-out pins are arranged at one end of the main piece body in the width direction of the base and matched with an opening of the first cavity for the movable spring leading-out piece to be inserted into.
7. The limit structure of a movable spring lead-out piece according to claim 6, characterized in that: a blocking part is arranged in the first cavity and abuts against the side face of the other end of the main sheet body in the length direction of the base; the blocking part is matched with the limiting groove to limit the degree of freedom of the main sheet body and the limiting part thereof in the length direction of the base; a chamfer is arranged at one end of the blocking part close to the leading-out pin of the first cavity; the blocking part is a baffle or a barrier strip.
8. The limit structure of a movable spring lead-out piece according to claim 6, characterized in that: the top surface of the first cavity is provided with a crimping part, and the bottom end of the crimping part is abutted against the top surface of the other end of the main sheet body in the length direction of the base; the crimping part is a pressing plate or a pressing strip.
9. The limit structure of a movable spring lead-out piece according to claim 6, characterized in that: the side face of the other end of the main sheet body in the length direction of the base is provided with a plurality of clamping barbs, and corners of the clamping barbs are respectively set to be rounded corners; a process notch is formed in one end, provided with the leading-out pin, of the main sheet body; the main sheet body is provided with a plurality of riveting holes or riveting columns for riveting with the movable reed; the base is also provided with a second cavity for mounting a magnetic circuit portion of the relay.
10. A magnetic latching relay characterized in that: a spacing structure comprising a moving spring tab according to any one of claims 1 to 9.
CN202010711049.3A 2020-07-22 2020-07-22 Limit structure and magnetic latching relay of movable spring lead-out sheet Pending CN112038179A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010711049.3A CN112038179A (en) 2020-07-22 2020-07-22 Limit structure and magnetic latching relay of movable spring lead-out sheet
EP21185918.6A EP3944265B1 (en) 2020-07-22 2021-07-15 Bobbin that facilitates automatic winding, coil assembly and latching relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010711049.3A CN112038179A (en) 2020-07-22 2020-07-22 Limit structure and magnetic latching relay of movable spring lead-out sheet

Publications (1)

Publication Number Publication Date
CN112038179A true CN112038179A (en) 2020-12-04

Family

ID=73582480

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010711049.3A Pending CN112038179A (en) 2020-07-22 2020-07-22 Limit structure and magnetic latching relay of movable spring lead-out sheet

Country Status (1)

Country Link
CN (1) CN112038179A (en)

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