CN209785780U - Device for reducing switch-on bounce - Google Patents
Device for reducing switch-on bounce Download PDFInfo
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- CN209785780U CN209785780U CN201920572229.0U CN201920572229U CN209785780U CN 209785780 U CN209785780 U CN 209785780U CN 201920572229 U CN201920572229 U CN 201920572229U CN 209785780 U CN209785780 U CN 209785780U
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Abstract
the utility model relates to a quick circuit breaker technical field, concretely relates to a device for reducing combined floodgate bounce, include metal sheet, fixed column down, go up metal sheet, yoke, coil mount pad, coil, iron core, spring support, speed reduction spring, axis. The utility model is provided with the speed reducing spring, when the high-speed circuit breaker is switched on rapidly, the speed reducing spring is extended after being compressed, the extension speed is buffered and decelerated, and the mechanism end of the high-speed circuit breaker is prevented from being impacted; the middle shaft and the shaft sleeve are arranged, the spring support above the middle shaft and the shaft sleeve are limited through matching, so that the coil can be arranged between the coil mounting seat and the spring support, and meanwhile, the extension and compression of the speed reduction spring can be limited, and the situation that the extension stroke is too long and the impact is generated on the tail end of a high-speed circuit breaker mechanism is prevented; the fixed supporting columns are arranged, so that the effect of supporting the upper metal plate and the lower metal plate is achieved, and the mechanism is more stable.
Description
Technical Field
the utility model relates to a quick circuit breaker technical field, concretely relates to a device for reducing combined floodgate spring.
background
the device for reducing the closing of the mechanism is used for reducing the bounce generated by closing when the breaker is closed. The mechanism is decelerated and buffered when falling down through the mechanism in the breaker when the breaker is switched on through the change of the compression amount of the spring when the circuit breaker is switched on through the installed bilateral symmetry spring, so that the breaker is prevented from being damaged.
at present, most circuit breakers are only provided with simple shock absorption pads, and because the impact force of the quick switching-on speed of the circuit breaker on the tail end of a mechanism is very large, the circuit breaker cannot be effectively damped in switching-on, the stability is poor, and meanwhile, the service life can be greatly reduced, so that the damage to the circuit breaker is reduced by the arrangement for reducing the switching-on bounce.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide a device for reducing combined floodgate spring, it can improve mechanism life-span and reduce mechanism combined floodgate spring and stability.
in order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
An apparatus for reducing closing bounce, comprising:
a lower metal plate;
a plurality of fixing columns are vertically and fixedly connected to the lower metal plate;
the upper metal plate is horizontally and fixedly connected to the upper end of the fixing column;
a plurality of magnetic yokes which are embedded in the upper metal plate;
The coil mounting seat is arranged above the lower metal plate and below the upper metal plate through a mounting upright post;
the coil is fixedly connected to the bottom surface of the coil mounting seat and is of an annular structure;
the iron core is inserted in the coil middle hole and penetrates out of the coil mounting seat in a sliding fit manner;
two spring supports are arranged and horizontally and fixedly connected to the top surface of the lower metal plate and the bottom surface of the iron core respectively;
The two ends of the elastic force direction of the speed reducing spring are fixedly connected to the two spring supports respectively;
and the middle shaft penetrates through the upper metal plate, the two spring supports and the lower metal plate from the upper part of the upper metal plate in a vertically sliding fit mode respectively, vertically penetrates out of the iron core and is fixedly connected with the iron core.
Furthermore, the speed reducing springs are at least two and are respectively arranged on two sides of the center shaft in the radial direction.
Furthermore, a shaft sleeve is embedded in the lower metal plate, the middle shaft is inserted in the shaft sleeve in a sliding fit mode, and the upper end of the shaft sleeve penetrates through the spring support located below in a sliding fit mode and abuts against the surface of the other spring support.
furthermore, the four magnetic yokes are symmetrically arranged on the upper metal plate, and the overall dimensions and the materials of the four magnetic yokes are consistent.
The utility model has the advantages that: the speed reducing spring is arranged, when the high-speed circuit breaker is rapidly switched on, the speed reducing spring is compressed and then extends, the extending speed is buffered and reduced, and the mechanism tail end of the high-speed circuit breaker is prevented from being impacted; the middle shaft and the shaft sleeve are arranged, the spring support above the middle shaft and the shaft sleeve are limited through matching, so that the coil can be arranged between the coil mounting seat and the spring support, and meanwhile, the extension and compression of the speed reduction spring can be limited, and the situation that the extension stroke is too long and the impact is generated on the tail end of a high-speed circuit breaker mechanism is prevented; the fixed support is arranged to support the upper metal plate and the lower metal plate, so that the mechanism is more stable; the bilateral symmetry spring is arranged, so that the mechanism is more stable, and meanwhile, when the mechanism is switched on, due to extremely high switching-on speed, the impact generated at the tail end of the mechanism can be buffered more effectively.
Drawings
in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic structural diagram of the preferred embodiment of the present invention in a closing state;
in the drawings, the reference numerals denote the following components:
1-fixed column, 2-magnetic yoke, 3-upper metal plate, 4-middle shaft, 5-shaft sleeve, 6-lower metal plate, 7-coil, 8-coil mounting seat, 9-spring support, 10-iron core and 11-speed reducing spring.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
1-2, an apparatus for reducing closing bounce, comprising:
a lower metal plate 6;
the fixing columns 1 are arranged, and a plurality of fixing columns 1 are vertically and fixedly connected to the lower metal plate 6;
the upper metal plate 3 is horizontally and fixedly connected to the upper end of the fixing column 1;
a plurality of magnetic yokes 2, wherein the magnetic yokes 2 are embedded in the upper metal plate 3;
The coil mounting seat 8 is arranged above the lower metal plate 6 and below the upper metal plate 3 through a mounting upright post;
the coil 7 is fixedly connected to the bottom surface of the coil mounting seat 8 and is of an annular structure;
the iron core 10 is inserted in the central hole of the coil 7 and penetrates through the coil mounting seat 8 in a sliding fit manner;
Two spring supports 9 are arranged, and the two spring supports 9 are respectively and horizontally and fixedly connected to the top surface of the lower metal plate 6 and the bottom surface of the iron core 10;
The two ends of the elastic force direction of the speed reducing spring 11 are fixedly connected to the two spring supports 9 respectively;
And the middle shaft 4 penetrates through the upper metal plate 3, the two spring supports 9 and the lower metal plate 6 in sequence from the upper part of the upper metal plate 3 in a vertically sliding fit mode, vertically penetrates through the iron core 10 and is fixedly connected with the iron core 10.
The speed reducing springs 11 are at least two and are respectively arranged on two radial sides of the middle shaft 4.
The lower metal plate 6 is embedded with a shaft sleeve 5, the middle shaft 4 is inserted in the shaft sleeve 5 in a sliding fit manner, and the upper end of the shaft sleeve 5 penetrates through the spring support 9 positioned below in a sliding fit manner and abuts against the surface of the other spring support 9.
the four magnetic yokes 2 are symmetrically arranged on the upper metal plate 3, and the shape size and the material of the four magnetic yokes 2 are consistent.
The utility model discloses when using: when the tail end of the mechanism of the high-speed circuit breaker is rapidly switched on, a switching-on coil discharges, the middle shaft descends towards the bottom of the mechanism, the iron core moves towards a switching-on position, the speed reduction spring buffers the iron core in the falling process of the iron core, the speed reduction spring is in a compression state at the moment, and when the speed reduction spring falls to a certain position, the speed reduction spring starts to relieve the compression state, extends under the action of elastic potential energy of the speed reduction spring, drives the iron core and the upper side of the middle shaft mechanism to slide, and performs speed reduction buffering on the iron core, so that the switching-on bounce generated by the speed reduction.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. a device for reducing closing bounce, comprising:
a lower metal plate (6);
The fixing columns (1) are arranged, and a plurality of fixing columns (1) are vertically and fixedly connected to the lower metal plate (6);
The upper metal plate (3) is horizontally and fixedly connected to the upper end of the fixing column (1);
A plurality of magnetic yokes (2), wherein the magnetic yokes (2) are embedded in the upper metal plate (3);
the coil mounting seat (8) is arranged above the lower metal plate (6) and below the upper metal plate (3) through a mounting upright post;
The coil (7), the said coil (7) is fixed on the bottom surface of the mounting seat of the coil (8), it forms the cyclic structure;
The iron core (10) is inserted in the middle hole of the coil (7) and penetrates through the coil mounting seat (8) in a sliding fit manner;
two spring supports (9) are arranged, and the two spring supports (9) are respectively and horizontally and fixedly connected to the top surface of the lower metal plate (6) and the bottom surface of the iron core (10);
The two ends of the elastic force direction of the speed reducing spring (11) are fixedly connected to the two spring supports (9) respectively;
the middle shaft (4) penetrates through the upper metal plate (3), the two spring supports (9) and the lower metal plate (6) in sequence from the upper part of the upper metal plate (3) in a vertically sliding fit mode, vertically penetrates through the iron core (10) and is fixedly connected with the iron core (10).
2. a device for reducing switching-on bounce according to claim 1, characterized in that said deceleration spring (11) is provided in at least two and is divided on the radial sides of the central axis (4).
3. a device for reducing the closing bounce according to claim 1, characterized in that a shaft sleeve (5) is embedded in the lower metal plate (6), the central shaft (4) is inserted in the shaft sleeve (5) in a sliding manner, and the upper end of the shaft sleeve (5) penetrates through the lower spring support (9) in a sliding manner and abuts against the surface of the other spring support (9).
4. A device for reducing closing bounce according to claim 1, wherein four yokes (2) are symmetrically arranged on the upper metal plate (3), and the four yokes (2) have the same external dimensions and material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572229.0U CN209785780U (en) | 2019-04-24 | 2019-04-24 | Device for reducing switch-on bounce |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572229.0U CN209785780U (en) | 2019-04-24 | 2019-04-24 | Device for reducing switch-on bounce |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209785780U true CN209785780U (en) | 2019-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920572229.0U Active CN209785780U (en) | 2019-04-24 | 2019-04-24 | Device for reducing switch-on bounce |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209785780U (en) |
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2019
- 2019-04-24 CN CN201920572229.0U patent/CN209785780U/en active Active
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