CN110473743B - Relay capable of ensuring normal action of armature or movable spring - Google Patents
Relay capable of ensuring normal action of armature or movable spring Download PDFInfo
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- CN110473743B CN110473743B CN201910338684.9A CN201910338684A CN110473743B CN 110473743 B CN110473743 B CN 110473743B CN 201910338684 A CN201910338684 A CN 201910338684A CN 110473743 B CN110473743 B CN 110473743B
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- armature
- yoke
- iron
- movable spring
- shell
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 190
- 229910052742 iron Inorganic materials 0.000 claims abstract description 76
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a relay capable of ensuring normal action of an armature or a movable spring, which comprises a shell, a base, a coil assembly, an iron core, a yoke iron, the armature and the movable spring; the coil component is horizontally arranged on the base, the iron core, the yoke iron, the movable spring and the armature are respectively arranged at corresponding adapting positions, and the upper end of the armature or the movable spring is higher than the yoke iron; the shell is arranged on the base and accommodates the coil assembly, the iron core, the yoke iron, the armature iron and the movable reed; and a protruding part which protrudes downwards and can be propped against the upper surface of the other part of the yoke is arranged in the top inner side surface of the shell, and the distance between the bottom surface of the protruding part and the upper surface of the other part of the yoke is smaller than the distance between the top inner side surface of the shell and the upper end of the armature or the movable spring. The invention avoids the phenomenon that the armature or the movable spring is blocked, and can ensure the normal action of the armature or the movable spring, thereby ensuring the normal use of the relay.
Description
Technical Field
The invention relates to the technical field of relays, in particular to a relay capable of ensuring normal action of an armature or a movable spring.
Background
A relay is an electronically controlled device having a control system (also known as an input loop) and a controlled system (also known as an output loop), commonly used in automatic control circuits, which in effect is an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays roles of automatic regulation, safety protection, circuit switching and the like.
A relay in the prior art comprises a shell, a base, a coil assembly, an iron core, a yoke iron, an armature, a movable spring, a static spring and other components, wherein the coil assembly is horizontally arranged on the base, namely, the axis of an iron core mounting hole of a coil frame corresponding to the coil assembly is horizontally arranged, the iron core is arranged in the iron core mounting hole of the coil frame of the coil assembly, one end (namely, the head) of the iron core is arranged as a pole face, the yoke iron is L-shaped, one side of the L-shaped yoke iron is fixed with the other end (namely, the tail) of the iron core, the other side of the L-shaped yoke iron is adapted to the winding window edge of the upper side of the coil frame of the coil assembly, one side of the L-shaped movable spring is fixed with the yoke iron on the other side of the L-shaped yoke iron, the other side of the L-shaped movable spring is fixed with the armature, the upper part of the armature is adapted to the position of the end of the other side of the L-shaped yoke iron, and the upper end of the armature or the upper end of the movable spring is higher than the upper side of the other side of the L-shaped yoke iron, the shell is arranged on the base, the iron core, the iron armature, the armature iron and the movable spring and the upper side of the movable spring is accommodated in the shell. When the shell is impacted or extruded from the upper direction, the inner wall of the top surface of the shell is deformed downwards, and the upper end of the armature or the movable spring is pressed to a certain extent, so that the armature or the movable spring is blocked and cannot act, and the relay is in failure.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the relay capable of ensuring the normal action of the armature, which can prevent the armature or the movable spring from being blocked through structural improvement, and can ensure the normal action of the armature or the movable spring, thereby ensuring the normal use of the relay.
The technical scheme adopted for solving the technical problems is as follows: a relay capable of ensuring normal action of an armature or a movable spring comprises a shell, a base, a coil assembly, an iron core, a yoke, the armature and the movable spring; the coil assembly is horizontally arranged on the base, the iron core is arranged in an iron core mounting hole of the coil assembly, and one end face of the iron core is set to be a pole face; one part of the yoke iron is fixed with the other end of the iron core, the other part of the yoke iron is matched with the upper surface of the coil assembly, one end of the movable spring is fixed with the other part of the yoke iron, the other end of the movable spring is fixed with the armature iron, the armature iron corresponds to the pole face of the iron core, the upper part of the armature iron is matched with the knife edge of the yoke iron, and the upper end of the armature iron is higher than the upper surface of the other part of the yoke iron and the movable spring, or the upper end position of the movable spring is higher than the upper surface of the other part of the yoke iron and the armature iron; the shell is arranged on the base and accommodates the coil assembly, the iron core, the yoke iron, the armature iron and the movable reed; the top inner side surface of the shell is also provided with a protruding part which protrudes downwards and can be abutted against the upper surface of the other part of the yoke, and the distance between the bottom surface of the protruding part and the upper surface of the other part of the yoke is smaller than the distance between the top inner side surface of the shell and the upper end of the armature or the movable spring, so that when the shell deforms downwards, the protruding part is abutted against the upper surface of the other part of the yoke, and the shell is prevented from pressing the armature or the movable spring.
The protrusion parts on the inner side surface of the top of the shell are three protrusions, and the protrusions are distributed in a triangular shape.
In the shell, in the lateral wall corresponding to the two sides of the axis of the iron core installation hole of the coil component, a limit rib capable of being adapted to the two sides of the other part of the yoke is further arranged, and a preset gap is arranged between the limit rib and the corresponding side of the other part of the yoke so as to prevent the magnetic circuit part including the yoke from moving in the preset direction.
The yoke is L-shaped, one side of the L-shaped yoke is used as one part of the yoke to be fixed with the other end of the iron core, and the other side of the L-shaped yoke is used as the other part of the yoke to be matched with the upper side of the coil assembly; the movable reed is L-shaped, one side of the L-shaped movable reed is used as one end of the movable reed to be fixed with the yoke iron on the other side of the L-shaped movable reed, and the other side of the L-shaped movable reed is used as the other end of the movable reed to be fixed with the armature iron.
Two sides of the end part of the other side of the L-shaped yoke iron are respectively provided with convex columns in an outward extending mode, and a knife edge of the yoke iron is formed between the two convex columns; the two sides of the upper part of the armature iron are respectively provided with a first groove, and the first grooves on the two sides of the upper part of the armature iron are respectively matched with two convex posts at the end part of the other side of the L-shaped yoke iron, so that the upper part of the armature iron is matched with the knife edge of the yoke iron.
The top end of the armature is provided with a second groove, and one side of the L shape of the movable spring plate spans the second groove at the top end of the armature, so that the upper end of the armature is higher than the upper surface of the other side of the L shape of the yoke and the movable spring plate.
And a stop part for limiting the top of the armature is also arranged in one side of the L shape of the movable spring so as to limit the upper part of the armature at the knife edge of the yoke.
Two sides of the end part of the other side of the L-shaped yoke iron are respectively provided with convex columns in an outward extending mode, and a knife edge of the yoke iron is formed between the two convex columns; shoulders are respectively arranged on two sides of the upper part of the armature, and the shoulders on two sides of the upper part of the armature are respectively matched with two convex posts at the end part of the other side of the L-shaped yoke iron, so that the upper part of the armature is adapted to the knife edge of the yoke iron.
One side of the L-shape of the movable spring plate spans the top end of the armature so that the upper end of the movable spring plate is higher than the upper surface of the other side of the L-shape of the yoke and the armature.
Compared with the prior art, the invention has the beneficial effects that:
1. The invention adopts the convex bud which is arranged in the inner side surface of the top of the shell and can be propped against the upper surface of the other part of the yoke, and the distance between the bottom surface of the convex bud and the upper surface of the other part of the yoke is smaller than the distance between the inner side surface of the top of the shell and the upper end of the armature or the movable reed. According to the structure, when the top of the shell is stressed and deformed, the shell can simultaneously enable the protrusion bud to move downwards, and the protrusion bud can be contacted with the yoke iron first, so that the contact of the shell with the armature or the movable spring is avoided, the armature or the movable spring is blocked, the normal action of the armature or the movable spring can be ensured, and the normal use of the relay is ensured.
2. The invention adopts three bosses on the inner side surface of the top of the shell and is distributed in a triangle shape. The structure of the invention can ensure that the top of the shell is stably contacted with the yoke iron when being stressed and deformed, ensure that the shell can not be contacted with the armature or the movable spring, and ensure that the armature or the movable spring normally acts.
3. In the invention, the shell is adopted, the side walls of the two sides corresponding to the axis of the iron core mounting hole of the coil assembly are also provided with the limit ribs which can be matched with the two sides of the other part of the yoke, and a preset gap is arranged between the limit ribs and the corresponding sides of the other part of the yoke. The structure of the invention can prevent the magnetic circuit part including the yoke from moving in the preset direction.
The invention is described in further detail below with reference to the drawings and examples; however, a relay of the present invention that can ensure normal operation of the armature or the movable spring is not limited to the embodiment.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of the invention (unsheathed);
FIG. 2 is a schematic perspective view (rotated by one angle) of a first embodiment of the invention (unsheathed);
FIG. 3 is a top view of a first embodiment of the invention;
FIG. 4 is a cross-sectional view taken along line A-A in FIG. 3;
Fig. 5 is an enlarged schematic view of a part of the structure of the portion B in fig. 4 (the boss of the case is not in contact with the yoke);
fig. 6 is an enlarged schematic view of a part of the structure of the portion B in fig. 4 (the protrusion of the case is in contact with the yoke);
Fig. 7 is a schematic perspective view of a housing according to a first embodiment of the present invention;
fig. 8 is a schematic perspective view of the housing (flipped state) of the first embodiment of the present invention;
fig. 9 is a bottom view of the housing of the first embodiment of the invention;
Fig. 10 is a schematic view showing a state in which the shell and the yoke are engaged in the first embodiment of the present invention;
FIG. 11 is a schematic perspective view of a second embodiment of the invention (unsheathed);
FIG. 12 is a top view of a second embodiment of the invention;
FIG. 13 is a cross-sectional view taken along line C-C in FIG. 12;
Fig. 14 is an enlarged schematic view of a part of the structure of the part D in fig. 13 (the bud of the case is not in contact with the yoke);
Fig. 15 is an enlarged schematic view of a part of the structure of the D portion in fig. 13 (the protrusion of the case is in contact with the yoke).
Detailed Description
Example 1
Referring to fig. 1 to 10, the relay capable of ensuring normal action of an armature or a movable spring comprises a shell 2, a base 1, a coil assembly 3, an iron core 4, a yoke 5, an armature 6 and a movable spring 7; the coil assembly 3 comprises a coil frame 31, enameled wires 32 and coil pins 33, the coil assembly 3 is horizontally arranged on the base 1, the iron core 4 is arranged in an iron core mounting hole of the coil frame 31 of the coil assembly 3, and one end face of the iron core 4 is set to be a pole face; a part 51 of the yoke 5 is fixed with the other end of the iron core 4, the other part 52 of the yoke 5 is fitted over the coil assembly 3, one end 71 of the movable spring 7 is fixed with the other part 52 of the yoke 5, the other end 72 of the movable spring 7 is fixed with the armature 6, the armature 6 corresponds to the pole face of the iron core 4 and the upper part of the armature 6 is fitted at the knife edge of the yoke 5, and the upper end of the armature 6 is higher than the upper surface of the other part 52 of the yoke 5 and the upper surface of one end 71 of the movable spring 7; the shell 2 is arranged on the base 1 and accommodates the coil assembly 3, the iron core 4, the yoke 5, the armature 6 and the movable spring 7; a protruding part protruding downwards and capable of abutting against the upper surface of the other part 52 of the yoke is further arranged in the top inner side surface of the housing 2, the protruding part of the embodiment is a protruding bud 21, and the distance H1 between the bottom surface of the protruding bud 21 and the upper surface of the other part 52 of the yoke is smaller than the distance H2 between the top inner side surface of the housing 2 and the upper end of the armature 6, so that when the housing 2 deforms downwards, the protruding bud 21 abuts against the upper surface of the other part 52 of the yoke, and therefore the housing 2 is ensured not to press the armature 6. The protruding part can also be rib and other similar structures.
In this embodiment, three protrusions 21 are disposed on the inner side of the top of the housing 2 and are distributed in a triangle shape.
In this embodiment, in the case 2, in the side walls corresponding to both sides of the axis of the core mounting hole of the coil block 3, there are further provided stopper ribs 22 that can be fitted to both sides of the other portion 52 of the yoke, and a preset gap is provided between the stopper ribs 22 and the corresponding sides of the other portion 52 of the yoke to prevent the magnetic circuit portion including the yoke from moving in the preset direction.
In this embodiment, the yoke is L-shaped, one side 51 of the L-shape of the yoke is fixed to the other end of the iron core 4 as a part of the yoke, and the other side 52 of the L-shape of the yoke is fitted to the upper side of the coil block 3 as the other part of the yoke; the movable spring 7 is L-shaped, one side 71 of the L-shape of the movable spring is fixed to the yoke 5 above the other side 52 of the L-shape of the yoke as one end of the movable spring, and the other side 72 of the L-shape of the movable spring is fixed to the armature 6 as the other end of the movable spring.
In this embodiment, two sides of the end of the other side 52 of the L-shape of the yoke extend outwards to form a convex column 521, and a knife edge of the yoke is formed between the two convex columns 521; the two sides of the upper part of the armature 6 are respectively provided with a first groove 61, and the first grooves 61 on the two sides of the upper part of the armature 6 are respectively matched with two convex posts 521 at the end part of the L-shaped other side 52 of the yoke, so that the upper part of the armature 6 is matched with the knife edge of the yoke.
In this embodiment, the top end of the armature 6 is provided with the second groove 62, and one side 71 of the L-shape of the movable spring 7 spans the second groove 62 at the top end of the armature 6, so that the upper end of the armature 6 is higher than the upper surface of the other side 52 of the L-shape of the yoke and the upper surface of the one side 71 of the L-shape of the movable spring.
In this embodiment, a stop 711 for limiting the top of the armature is further provided in one L-shaped edge 71 of the movable spring, so as to limit the upper portion of the armature 6 at the edge of the yoke.
The relay capable of ensuring normal action of an armature or a movable spring is characterized in that a protrusion 21 which protrudes downwards and can be abutted against the upper surface of the other part of a yoke is arranged in the inner side surface of the top of a shell 2, and the distance H1 between the bottom surface of the protrusion 21 and the upper surface of the other part of the yoke is smaller than the distance H2 between the inner side surface of the top of the shell and the upper end of the armature. According to the structure, when the top of the shell 2 is stressed and deformed, the shell 2 can simultaneously enable the protrusion bud 21 to move downwards, and the protrusion bud 21 can be contacted with the yoke iron 5 first, so that the contact between the shell 2 and the armature iron 6 is avoided, the armature iron 6 is blocked, the normal action of the armature iron 6 can be ensured, and the normal use of the relay is ensured.
The relay capable of ensuring normal action of an armature or a movable spring adopts three bosses 21 on the inner side surface of the top of a shell 2 and is distributed in a triangular shape. The structure of the invention can ensure that the top of the shell 2 is stably contacted with the yoke iron 5 when being stressed and deformed, ensure that the shell 2 is not contacted with the armature iron 6, and ensure that the armature iron 6 normally acts.
The relay capable of ensuring normal action of an armature or a movable reed is characterized in that a limiting rib 22 capable of being matched with two side edges of the other part of a yoke is arranged in side walls of two sides of an axis corresponding to an iron core mounting hole of a coil assembly in a shell 2, and a preset gap is reserved between the limiting rib 22 and the corresponding side edge of the other part 52 of the yoke. The structure of the invention can prevent the magnetic circuit part including the yoke from moving in the preset direction.
Example two
Referring to fig. 11 to 15, the relay of the present invention, which can ensure the normal operation of the armature or the movable spring, is different from the first embodiment in that shoulders 63 are respectively provided at both sides of the upper portion of the armature 6, and the shoulders 63 at both sides of the upper portion of the armature are respectively matched with two protrusions 521 at the other end of the L-shape of the yoke, so that the upper portion of the armature 6 is adapted to the knife edge of the yoke.
One L-shaped side 71 of the movable spring 7 spans the top end of the armature 6 so that the upper end of the movable spring 7 is positioned above the other L-shaped side 52 of the yoke and the armature.
The distance H1 between the bottom surface of the boss 21 and the upper surface of the other portion 52 of the yoke is smaller than the distance H3 between the top inner side surface of the housing 2 and the upper end of the upper end position of the movable spring 7.
When the top of the shell 2 is stressed and deformed, the shell 2 can simultaneously enable the protrusion bud 21 to move downwards, and the protrusion bud 21 can be contacted with the yoke 5 first, so that the contact between the shell 2 and the movable reed 7 is avoided, the movable reed 7 is blocked, the normal action of the movable reed 7 can be ensured, and the normal use of the relay is ensured.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or be modified to equivalent embodiments, without departing from the scope of the technology. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (9)
1. A relay capable of ensuring normal action of an armature or a movable spring comprises a shell, a base, a coil assembly, an iron core, a yoke, the armature and the movable spring; the coil assembly is horizontally arranged on the base, the iron core is arranged in an iron core mounting hole of the coil assembly, and one end face of the iron core is set to be a pole face; one part of the yoke iron is fixed with the other end of the iron core, the other part of the yoke iron is matched with the upper surface of the coil assembly, one end of the movable spring is fixed with the other part of the yoke iron, the other end of the movable spring is fixed with the armature iron, the armature iron corresponds to the pole face of the iron core, the upper part of the armature iron is matched with the knife edge of the yoke iron, and the upper end of the armature iron is higher than the upper surface of the other part of the yoke iron and the movable spring, or the upper end position of the movable spring is higher than the upper surface of the other part of the yoke iron and the armature iron; the shell is arranged on the base and accommodates the coil assembly, the iron core, the yoke iron, the armature iron and the movable reed; the method is characterized in that: the top inner side surface of the shell is also provided with a protruding part which protrudes downwards and can be abutted against the upper surface of the other part of the yoke, and the distance between the bottom surface of the protruding part and the upper surface of the other part of the yoke is smaller than the distance between the top inner side surface of the shell and the upper end of the armature or the movable spring, so that when the shell deforms downwards, the protruding part is abutted against the upper surface of the other part of the yoke, and the shell is prevented from pressing the armature or the movable spring.
2. The relay for ensuring normal operation of an armature or a movable spring according to claim 1, wherein: the protrusion parts on the inner side surface of the top of the shell are three protrusions, and the protrusions are distributed in a triangular shape.
3. A relay for ensuring normal operation of an armature or a movable spring according to claim 1 or 2, wherein: in the shell, in the lateral wall corresponding to the two sides of the axis of the iron core installation hole of the coil component, a limit rib capable of being adapted to the two sides of the other part of the yoke is further arranged, and a preset gap is arranged between the limit rib and the corresponding side of the other part of the yoke so as to prevent the magnetic circuit part including the yoke from moving in the preset direction.
4. A relay for ensuring normal operation of an armature or a movable spring according to claim 1 or 2, wherein: the yoke is L-shaped, one side of the L-shaped yoke is used as one part of the yoke to be fixed with the other end of the iron core, and the other side of the L-shaped yoke is used as the other part of the yoke to be matched with the upper side of the coil assembly; the movable reed is L-shaped, one side of the L-shaped movable reed is used as one end of the movable reed to be fixed with the yoke iron on the other side of the L-shaped movable reed, and the other side of the L-shaped movable reed is used as the other end of the movable reed to be fixed with the armature iron.
5. The relay for ensuring normal operation of an armature or a movable spring according to claim 4, wherein: two sides of the end part of the other side of the L-shaped yoke iron are respectively provided with convex columns in an outward extending mode, and a knife edge of the yoke iron is formed between the two convex columns; the two sides of the upper part of the armature iron are respectively provided with a first groove, and the first grooves on the two sides of the upper part of the armature iron are respectively matched with two convex posts at the end part of the other side of the L-shaped yoke iron, so that the upper part of the armature iron is matched with the knife edge of the yoke iron.
6. The relay for ensuring normal operation of an armature or a movable spring according to claim 5, wherein: the top end of the armature is provided with a second groove, and one side of the L shape of the movable spring plate spans the second groove at the top end of the armature, so that the upper end of the armature is higher than the upper surface of the other side of the L shape of the yoke and the movable spring plate.
7. The relay for ensuring normal operation of an armature or a movable spring according to claim 6, wherein: and a stop part for limiting the top of the armature is also arranged in one side of the L shape of the movable spring so as to limit the upper part of the armature at the knife edge of the yoke.
8. The relay for ensuring normal operation of an armature or a movable spring according to claim 4, wherein: two sides of the end part of the other side of the L-shaped yoke iron are respectively provided with convex columns in an outward extending mode, and a knife edge of the yoke iron is formed between the two convex columns; shoulders are respectively arranged on two sides of the upper part of the armature, and the shoulders on two sides of the upper part of the armature are respectively matched with two convex posts at the end part of the other side of the L-shaped yoke iron, so that the upper part of the armature is adapted to the knife edge of the yoke iron.
9. The relay for ensuring normal operation of an armature or a movable spring according to claim 8, wherein: one side of the L-shape of the movable spring plate spans the top end of the armature so that the upper end of the movable spring plate is higher than the upper surface of the other side of the L-shape of the yoke and the armature.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338684.9A CN110473743B (en) | 2019-04-25 | 2019-04-25 | Relay capable of ensuring normal action of armature or movable spring |
| PCT/CN2020/086644 WO2020216321A1 (en) | 2019-04-25 | 2020-04-24 | Relay coil assembly |
| US17/605,957 US11929224B2 (en) | 2019-04-25 | 2020-04-24 | Relay coil assembly |
| EP20794801.9A EP3961669A4 (en) | 2019-04-25 | 2020-04-24 | Relay coil assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338684.9A CN110473743B (en) | 2019-04-25 | 2019-04-25 | Relay capable of ensuring normal action of armature or movable spring |
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| Publication Number | Publication Date |
|---|---|
| CN110473743A CN110473743A (en) | 2019-11-19 |
| CN110473743B true CN110473743B (en) | 2024-06-18 |
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| CN201910338684.9A Active CN110473743B (en) | 2019-04-25 | 2019-04-25 | Relay capable of ensuring normal action of armature or movable spring |
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| CN209843609U (en) * | 2019-04-25 | 2019-12-24 | 厦门宏发汽车电子有限公司 | Relay capable of ensuring normal action of armature or movable reed |
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|---|---|
| CN110473743A (en) | 2019-11-19 |
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