CN212209397U - Electromagnetic tripping mechanism of electric leakage tripper - Google Patents
Electromagnetic tripping mechanism of electric leakage tripper Download PDFInfo
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- CN212209397U CN212209397U CN202021158123.5U CN202021158123U CN212209397U CN 212209397 U CN212209397 U CN 212209397U CN 202021158123 U CN202021158123 U CN 202021158123U CN 212209397 U CN212209397 U CN 212209397U
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- tripper
- iron core
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- ejector rod
- spring
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Abstract
The utility model discloses an electromagnetic tripping mechanism of an electric leakage tripper, which comprises a magnetic yoke and a static contact, wherein an electromagnetic core sleeve is arranged in the magnetic yoke, a movable iron core, an electromagnetic tripping ejector rod and an electromagnetic iron core spring are arranged in the electromagnetic iron core sleeve in an embedded manner, the left end of the movable iron core is provided with a tripper spring and a tripper iron core, the tripper iron core sleeve is provided with the tripper iron core sleeve, the middle part of the electromagnetic tripping ejector rod is transversely provided with an ejector rod central through hole, and the tripper ejector rod is arranged in the ejector rod central; a tripper iron core connecting rod is integrally arranged at the right end of the tripper iron core, and a tripper spring is sleeved on the tripper iron core connecting rod; the left end of the tripper ejector rod is aligned with the position of the tripper iron core connecting rod, a positioning slot is formed in the position, the right end of the tripper iron core connecting rod is inserted into the positioning slot, and the tripper iron core is connected with the tripper ejector rod through the tripper iron core connecting rod. Above-mentioned technical scheme, structural design is reasonable, simple structure, equipment convenience, low in manufacturing cost, dropout reliable operation and practicality are good.
Description
Technical Field
The utility model relates to an electric leakage release technical field, concretely relates to electric leakage release electromagnetism tripping device constructs.
Background
The leakage circuit breaker mainly plays a role in quickly cutting off a power supply and preventing electric shock accidents when people get electric shock or leakage occurs, and some leakage protective circuits also have overload and short-circuit protection or are used for starting and stopping motors infrequently. The tripping mechanism is an important part in the residual current circuit breaker, and the sensitivity of the tripping mechanism directly influences the breaking performance of the residual current circuit breaker.
However, the existing electromagnetic tripping mechanism of the leakage tripper has the following defects: the structure design is unreasonable, the assembly is troublesome, the assembly efficiency is low, the structure is complex, and the manufacturing cost is high; in addition, the tripping operation is unreliable and the practicability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art existence, the utility model aims to provide a leakage release electromagnetism tripping device mechanism that structural design is reasonable, simple structure, equipment convenience, low in manufacturing cost, dropout reliable operation and practicality are good.
In order to achieve the above purpose, the utility model provides a following technical scheme: an electromagnetic tripping mechanism of a leakage tripper comprises a magnetic yoke and a fixed contact, wherein an electromagnetic core sleeve is arranged in the magnetic yoke, a movable iron core, an electromagnetic tripping ejector rod and an electromagnetic iron core spring are embedded in the electromagnetic iron core sleeve, a tripper spring and a tripper iron core are arranged at the left end of the movable iron core, the tripper iron core sleeve is sleeved with the tripper iron core sleeve, an annular groove is arranged on the outer surface of the tripper iron core sleeve, and a tripper coil is sleeved in the annular groove; the right end of the movable iron core is connected with the left end of an electromagnetic tripping ejector rod, the middle part of the electromagnetic tripping ejector rod is transversely provided with an ejector rod central through hole, and a tripper ejector rod penetrates through the ejector rod central through hole; a tripper iron core connecting rod is integrally arranged at the right end of the tripper iron core, and the tripper spring is sleeved on the tripper iron core connecting rod; the left end of the tripper ejector rod is aligned to the position of the tripper iron core connecting rod, a positioning slot is formed in the position, aligned to the position of the tripper iron core connecting rod, of the left end of the tripper ejector rod, the right end of the tripper iron core connecting rod is inserted into the positioning slot, and the tripper iron core is connected with the tripper ejector rod through the tripper iron core.
The utility model discloses further set up to: the electromagnetic core spring outer sleeve is provided with a static iron core, the left end of the static iron core is provided with a spring movable cavity, the right end of the static iron core is provided with an ejector rod movable through hole, and the right end of the electromagnetic tripping ejector rod is inserted into the ejector rod movable through hole.
The utility model discloses still further set up to: the electromagnetic iron core spring is sleeved on the electromagnetic tripping ejector rod, a first spring limiting protrusion is integrally arranged at the left end of the electromagnetic tripping ejector rod, and the right end of the electromagnetic iron core spring is inserted into the spring movable cavity.
The utility model discloses still further set up to: the electromagnetic tripping device is characterized in that a positioning convex ring is integrally arranged at the right end of the ejector rod of the tripper, and the electromagnetic tripping ejector rod is abutted against the left end face of the positioning convex ring when moving rightwards.
The utility model discloses still further set up to: the electromagnetic iron core sleeve is sleeved with an electromagnetic coil, and the electromagnetic coil, the magnetic yoke and the fixed contact are welded and fixed.
The utility model discloses still further set up to: and the static iron core, the magnetic yoke and the static contact are riveted and fixed.
The utility model discloses still further set up to: the iron core sleeve of the release is sleeved on the electromagnetic iron core sleeve in a split mode.
The utility model has the advantages that: compared with the prior art, the utility model has more reasonable structure,
when the circuit generates electric leakage, a tripper coil generates a magnetic field, a tripper iron core pushes a tripper ejector rod rightwards, the tripper iron core compresses a tripper spring and continues to push the tripper ejector rod rightwards, and the tripper ejector rod pushes other existing mechanisms to complete tripping;
when the current of the main circuit is short-circuited, the electromagnetic coil generates a magnetic field to push the movable iron core rightwards, the movable iron core pushes the electromagnetic tripping ejector rod to compress the electromagnetic iron core spring at the same time, in the process of continuously pushing rightwards, the electromagnetic tripping ejector rod can push the tripper ejector rod, the tripper ejector rod moves rightwards and drives the tripper iron core, and after the tripper spring is compressed, the electromagnetic tripping ejector rod continues to move rightwards to push other existing mechanisms to complete tripping.
The utility model has the advantages of reasonable design, simple structure, equipment convenience, low in manufacturing cost, release iron core and dropout ejector pin lug connection, the reliable operation of tripping and practicality are good.
The invention is further described with reference to the drawings and the specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a portion I in fig. 1.
Detailed Description
In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and 2, the utility model discloses an electromagnetic tripping mechanism of an electric leakage tripper, including yoke 1 and static contact 2, be provided with electromagnet core sleeve 3 in the yoke 1, the embedded movable iron core 4, electromagnetic tripping ejector pin 5 and electromagnetic iron core spring 6 that is provided with in electromagnet core sleeve 3, movable iron core 4 left end is provided with tripper spring 7 and tripper iron core 8, tripper iron core 8 overcoat is provided with tripper iron core sleeve 9, be provided with annular groove on the surface of tripper iron core sleeve 9, the annular groove endotheca is equipped with tripper coil 10; the right end of the movable iron core 4 is connected with the left end of an electromagnetic tripping ejector rod 5, the middle part of the electromagnetic tripping ejector rod 5 is transversely provided with an ejector rod central through hole 51, and a tripper ejector rod 11 penetrates through the ejector rod central through hole 51; a tripper iron core connecting rod 81 is integrally arranged at the right end of the tripper iron core 8, and the tripper spring 7 is sleeved on the tripper iron core connecting rod 81; the left end of the tripper ejector rod 11 is aligned to the position of the tripper iron core connecting rod 81 and is provided with a positioning slot 111, the right end of the tripper iron core connecting rod 81 is inserted into the positioning slot 111, and the tripper iron core 8 is connected with the tripper ejector rod 11 through the tripper iron core connecting rod 81.
The outer cover of 6 covers of electromagnetic core spring is equipped with quiet iron core 12, quiet iron core 12 left end is provided with spring activity chamber 121, quiet iron core 12 right-hand member is provided with ejector pin activity through- hole 122, 5 right-hand members of electromagnetism dropout ejector pin insert in ejector pin activity through-hole 122.
For making the utility model discloses the structure sets up more rationally, as preferred, this embodiment 6 covers of electromagnetic core spring are established on electromagnetic tripping ejector pin 5, electromagnetic tripping ejector pin 5's a left end an organic whole is provided with the spacing arch 52 of first spring, and 6 right-hand members of electromagnetic core spring insert in spring activity chamber 121.
The right end of the tripper ejector rod 11 is integrally provided with a positioning convex ring 112, and the electromagnetic tripping ejector rod 5 is pressed against the left end surface of the positioning convex ring 112 when moving rightwards.
And the electromagnet core sleeve 3 is sleeved with an electromagnetic coil 13, and the electromagnetic coil 13, the magnet yoke 1 and the static contact 2 are welded and fixed.
And the static iron core 12, the magnetic yoke 1 and the static contact 2 are riveted and fixed.
The tripper iron core sleeve 9 is sleeved on the electromagnet core sleeve 3 in a split mode. Preferably, the following steps are also provided: the tripper iron core sleeve 9 and the electromagnet core sleeve 3 are fixedly connected through screws.
In practical application, when a circuit generates electric leakage, a tripper coil generates a magnetic field, a tripper iron core pushes a tripper ejector rod rightwards, the tripper iron core compresses a tripper spring and continues to push the tripper ejector rod rightwards, and the tripper ejector rod pushes other existing mechanisms to complete tripping;
when the current of the main circuit is short-circuited, the electromagnetic coil generates a magnetic field to push the movable iron core rightwards, the movable iron core pushes the electromagnetic tripping ejector rod to compress the electromagnetic iron core spring at the same time, in the process of continuously pushing rightwards, the electromagnetic tripping ejector rod can push the tripper ejector rod, the tripper ejector rod moves rightwards and drives the tripper iron core, and after the tripper spring is compressed, the electromagnetic tripping ejector rod continues to move rightwards to push other existing mechanisms to complete tripping.
The utility model has the advantages of reasonable design, simple structure, equipment convenience, low in manufacturing cost, release iron core and dropout ejector pin lug connection, the reliable operation of tripping and practicality are good.
The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.
Claims (7)
1. The utility model provides a leakage release electromagnetism tripping device constructs, includes yoke (1) and static contact (2), be provided with electro-magnet core cover (3) in yoke (1), its characterized in that: a movable iron core (4), an electromagnetic tripping ejector rod (5) and an electromagnetic iron core spring (6) are embedded in the electromagnet core sleeve (3), a tripper spring (7) and a tripper iron core (8) are arranged at the left end of the movable iron core (4), a tripper iron core sleeve (9) is sleeved outside the tripper iron core (8), an annular groove is formed in the outer surface of the tripper iron core sleeve (9), and a tripper coil (10) is sleeved in the annular groove; the right end of the movable iron core (4) is connected with the left end of an electromagnetic tripping ejector rod (5), the middle part of the electromagnetic tripping ejector rod (5) is transversely provided with an ejector rod central through hole (51), and a tripper ejector rod (11) penetrates through the ejector rod central through hole (51); a tripper iron core connecting rod (81) is integrally arranged at the right end of the tripper iron core (8), and the tripper spring (7) is sleeved on the tripper iron core connecting rod (81); the left end of the tripper ejector rod (11) is aligned to the position of the tripper iron core connecting rod (81) and is provided with a positioning slot (111), the right end of the tripper iron core connecting rod (81) is inserted into the positioning slot (111), and the tripper iron core (8) is connected with the tripper ejector rod (11) through the tripper iron core connecting rod (81).
2. The electrical leakage release electromagnetic trip mechanism according to claim 1, wherein: electromagnetic core spring (6) overcoat is equipped with quiet iron core (12), quiet iron core (12) left end is provided with spring activity chamber (121), iron core (12) right-hand member is provided with ejector pin activity through-hole (122), electromagnetism dropout ejector pin (5) right-hand member inserts in ejector pin activity through-hole (122).
3. The electrical leakage release electromagnetic trip mechanism according to claim 2, wherein: the electromagnetic tripping ejector rod is characterized in that the electromagnetic iron core spring (6) is sleeved on the electromagnetic tripping ejector rod (5), a first spring limiting bulge (52) is integrally arranged at the left end of the electromagnetic tripping ejector rod (5), and the right end of the electromagnetic iron core spring (6) is inserted into the spring movable cavity (121).
4. An electrical leakage release electromagnetic trip mechanism according to claim 3, characterized in that: the electromagnetic tripping device is characterized in that a positioning convex ring (112) is integrally arranged at the right end of the tripper ejector rod (11), and the electromagnetic tripping ejector rod (5) abuts against the left end face of the positioning convex ring (112) when moving rightwards.
5. The electrical leakage release electromagnetic trip mechanism according to claim 4, wherein: the electromagnetic coil (13) is sleeved on the electromagnetic core sleeve (3), and the electromagnetic coil (13), the magnetic yoke (1) and the static contact (2) are welded and fixed.
6. An electrical leakage release electromagnetic trip mechanism according to claim 5, characterized in that: the static iron core (12), the magnetic yoke (1) and the static contact (2) are riveted and fixed.
7. An electrical leakage release electromagnetic trip mechanism according to claim 1 or 5, characterized in that: the iron core sleeve (9) of the release is sleeved on the electromagnet core sleeve (3) in a split type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021158123.5U CN212209397U (en) | 2020-06-19 | 2020-06-19 | Electromagnetic tripping mechanism of electric leakage tripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021158123.5U CN212209397U (en) | 2020-06-19 | 2020-06-19 | Electromagnetic tripping mechanism of electric leakage tripper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212209397U true CN212209397U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021158123.5U Active CN212209397U (en) | 2020-06-19 | 2020-06-19 | Electromagnetic tripping mechanism of electric leakage tripper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212209397U (en) |
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2020
- 2020-06-19 CN CN202021158123.5U patent/CN212209397U/en active Active
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