CN110265264B - Novel moving contact assembly and relay - Google Patents
Novel moving contact assembly and relay Download PDFInfo
- Publication number
- CN110265264B CN110265264B CN201910445011.3A CN201910445011A CN110265264B CN 110265264 B CN110265264 B CN 110265264B CN 201910445011 A CN201910445011 A CN 201910445011A CN 110265264 B CN110265264 B CN 110265264B
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- Prior art keywords
- reed
- movable contact
- opening
- moving contact
- contact
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 197
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 244000273256 Phragmites communis Species 0.000 description 5
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction 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
- H01H50/54—Contact arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
- H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
Abstract
A novel movable contact assembly comprises a movable contact mounting plate, a movable contact unit and a plurality of rivets; the movable contact unit comprises a top reed group, a bottom reed and a movable contact; the middle part of the top reed group is provided with a first opening along the length direction; the bottom reed comprises a bottom reed body, an inner side reed and an outer side reed; the middle part of the bottom reed main body and the inner side reed is provided with a second opening along the length direction; a third opening is arranged between the outer reed and the inner reed, and two ends of the outer reed are respectively connected with two sides of the second end of the bottom reed main body. Therefore, the device can adapt to slight inconformity of heights of the fixed contact and the moving contact at two sides of the opening or slight inconformity of pressures at two sides of the opening, and can ensure that the whole elastic force of the moving contact assembly is uniform and can be effectively connected or disconnected. The invention also provides a relay.
Description
Technical Field
The invention relates to the technical field of piezoelectric devices, in particular to a novel moving contact assembly and a relay.
Background
The prior relay double-contact moving contact assembly is provided with a plurality of reeds which are overlapped, a first end of each reed is connected with a moving contact connecting plate through a rivet, a middle opening which extends to a second end is formed in the middle of each reed along the length direction, one moving contact is respectively arranged on two sides of the middle opening of each reed, and the two moving contacts are respectively used for being abutted with the two fixed contacts. The reed is divided into two parts by the middle opening, so that when the two movable contacts are respectively abutted with the two fixed contacts, the two movable contacts can adapt to the slight difference in height of the fixed contacts or the movable contacts or the slight difference in pressure born by the reeds at the two sides of the middle opening. The movable contact assembly has the defect that the reeds at the two sides of the middle opening can move independently, so that the whole elastic force of the movable contact assembly is inconsistent, and when the movable contact assembly is disconnected after long-time use, one movable contact is in a state of being disconnected with the corresponding fixed contact, and the other movable contact is still connected with the corresponding fixed contact, namely, the situation that the movable contact cannot be effectively disconnected is caused, so that the relay fails.
Disclosure of Invention
In view of the above, the present invention provides a novel moving contact assembly and relay that can accommodate both the slight inconsistency of the heights of the fixed contacts and the moving contacts or the slight inconsistency of the pressures of the two sides, and also can make the overall elastic force of the moving contact assembly uniform, and can be effectively connected or disconnected, so as to solve the above problems.
A novel moving contact assembly comprises a moving contact mounting plate, a moving contact unit and a plurality of rivets for connecting a first end of the moving contact unit with a first end of the moving contact mounting plate; the movable contact unit comprises a top reed group and a bottom reed, and a movable contact penetrating through the top reed group and the bottom reed and being far away from the second end of the rivet; the middle part of the top reed group is provided with a first opening along the length direction, the first end of the first opening is close to the first end of the top reed group connecting rivet, and the second end of the first opening penetrates through the second end of the top reed group; the bottom reed comprises a bottom reed body, an inner side reed which is arranged at the second end of the bottom reed body far away from the rivet in an extending way, and an outer side reed which is connected with the second end of the bottom reed body in an inclined way and is positioned at the outer side of the inner side reed; the middle parts of the bottom reed body and the inner side reed are provided with second openings along the length direction, the first ends of the second openings are close to the first ends of the bottom reed body, and the second ends penetrate through the second ends of the bottom reed body and the inner side reed; a third opening is arranged between the outer reed and the inner reed, and two ends of the outer reed are respectively connected with two sides of the second end of the bottom reed main body.
Further, the second end of the top reed group is provided with first through holes at two sides of the first opening respectively; the inner reed is provided with a second through hole at two sides of the second opening respectively; the movable contact comprises a contact cap and a connecting column vertically connected with one side of the contact cap, and the connecting column penetrates through the first through hole and the second through hole.
Further, the top reed group sequentially comprises a first reed, a second reed and a third reed from one side far away from the moving contact mounting plate to one side close to the moving contact mounting plate.
Further, the lengths of the first reed and the second reed are the same, and the length of the third reed is smaller than the lengths of the first reed and the second reed.
Further, the outer reed is inclined toward a direction away from the top reed group.
Further, a first abutting bump is arranged on one side of the second end of the movable contact mounting plate in a protruding mode.
Further, one side of the second end of the moving contact mounting plate is provided with an avoidance groove.
A relay comprises a base, an upper cover which is connected with the base relatively, an electromagnetic component, a plurality of fixed contact components, a plurality of novel moving contact components and a linkage plate which are arranged in the base, wherein the fixed contact mounting grooves and the moving contact mounting grooves are arranged in parallel at intervals; the side wall of the base is provided with a fixed contact opening corresponding to the fixed contact mounting groove, a movable contact opening corresponding to the movable contact mounting groove is provided, the fixed contact component is positioned in the fixed contact mounting groove and penetrates through the fixed contact opening, and the novel movable contact component is positioned in the movable contact mounting groove and penetrates through the movable contact opening; one end of the linkage plate is connected with the output end of the electromagnetic assembly, a plurality of linkage grooves are formed in the linkage plate at intervals, and one end of the movable contact unit, which is far away from the rivet, is positioned in the linkage grooves
Compared with the prior art, the novel moving contact assembly comprises a moving contact mounting plate, a moving contact unit and a plurality of rivets for connecting the first end of the moving contact unit with the first end of the moving contact mounting plate; the movable contact unit comprises a top reed group and a bottom reed, and a movable contact penetrating through the top reed group and the bottom reed and being far away from the second end of the rivet; the middle part of the top reed group is provided with a first opening along the length direction, the first end of the first opening is close to the first end of the top reed group connecting rivet, and the second end of the first opening penetrates through the second end of the top reed group; the bottom reed comprises a bottom reed body, an inner side reed which is arranged at the second end of the bottom reed body far away from the rivet in an extending way, and an outer side reed which is connected with the second end of the bottom reed body in an inclined way and is positioned at the outer side of the inner side reed; the middle parts of the bottom reed body and the inner side reed are provided with second openings along the length direction, the first ends of the second openings are close to the first ends of the bottom reed body, and the second ends penetrate through the second ends of the bottom reed body and the inner side reed; a third opening is arranged between the outer reed and the inner reed, and two ends of the outer reed are respectively connected with two sides of the second end of the bottom reed main body. Therefore, the device can adapt to slight inconformity of heights of the fixed contact and the moving contact at two sides of the opening or slight inconformity of pressures at two sides of the opening, and can ensure that the whole elastic force of the moving contact assembly is uniform and can be effectively connected or disconnected. The invention also provides a relay.
Drawings
Embodiments of the invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of a novel moving contact assembly provided by the invention.
Fig. 2 is a schematic side view of the novel moving contact assembly provided by the invention.
Fig. 3 is a schematic side-split view of the novel moving contact assembly provided by the invention.
Fig. 4 is an exploded view of the novel moving contact assembly according to the present invention at a first perspective.
Fig. 5 is an exploded view of the novel moving contact assembly according to the present invention at a second view angle.
Fig. 6 is a partially disassembled schematic view of the relay provided by the invention.
Detailed Description
Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of the embodiments of the invention is not intended to limit the scope of the invention.
Referring to fig. 1 to 3, the novel moving contact assembly provided by the present invention includes a moving contact mounting plate 10, a moving contact unit 20, and a plurality of rivets 30 connecting a first end of the moving contact unit 20 and a first end of the moving contact mounting plate 10.
The movable contact unit 20 includes a top spring group 21, a bottom spring 22, and a movable contact 23 penetrating the top spring group 21 and the bottom spring 22 away from the second end of the rivet 30.
The top reed group 21 sequentially comprises a first reed 211, a second reed 212 and a third reed 213 from one side far from the movable contact mounting plate 10 to one side close to the movable contact mounting plate 10, wherein the lengths of the first reed 211 and the second reed 212 are the same or similar, and the length of the third reed 213 is smaller than that of the first reed 211 and the second reed 212.
A first through hole is formed through the first reed 211, the second reed 212, and the third reed 213 at a position away from one end of the rivet 30.
The movable contact 23 includes a contact cap 231 and a connection post 232 vertically connected to one side of the contact cap 231, the diameter of the connection post 232 is smaller than that of the contact cap 231, and the connection post 232 passes through the first through holes of the first reed 211, the second reed 212, and the third reed 213.
The bottom reed 22 includes a bottom reed body 221, an inner reed 222 disposed at an end of the bottom reed body 221 remote from the rivet 30, and an outer reed 223 disposed outside the inner reed 222.
The movable contact mounting plate 10 is provided with a first abutment projection 11 protruding from a side of the second end of the rivet 30.
Referring to fig. 4 and 5, the first reed 211, the second reed 212 and the third reed 213 are provided with a plurality of first riveting holes 215 towards the first end of the rivet 30.
The middle parts of the first reed 211, the second reed 212 and the third reed 213 of the top reed group 21 are provided with a first opening 214 along the length direction, a first end of the first opening 214 is close to a first end of the first reed 211, the second reed 212 and the third reed 213, a first riveting hole 215 is arranged at the first end of the first opening 214, and a second end of the first opening 214 penetrates through the second ends of the first reed 211, the second reed 212 and the third reed 213.
The bottom reed body 221 of the bottom reed 22 is provided with a plurality of second riveting holes 2212 towards the first end of the rivet 30, and the inner side reed 222 is extended and arranged at the second end of the bottom reed body 221.
The middle parts of the bottom reed body 221 and the inner reed 222 are provided with a second opening 2211 along the length direction, the first end of the second opening 2211 is close to the first end of the bottom reed body 221, and the second end penetrates through the second end of the bottom reed body 221 and the inner reed 222. The inner spring 222 has second through holes 2221 formed at both sides of the second opening 2211, respectively, and the connection column 232 passes through the second through holes 2221.
The outer reed 223 is obliquely connected to the second end of the bottom reed body 221 and is located outside the inner reed 222. The outer reed 223 is inclined in a direction away from the top reed group 21, and a third opening 2231 is provided between the outer reed 223 and the inner reed 222. Both ends of the outer reed 223 are connected to both sides of the second end of the bottom reed body 221, respectively.
The top reed group 21 provided with the first opening 214 and the inner side reed 222 provided with the second opening 2211 can adapt to the slight difference in height of the fixed contacts or the moving contacts at the two sides of the first opening 214 or the slight difference in pressure applied to the reeds at the two sides of the first opening 214 so as to slightly deform at the two sides of the first opening 214 respectively, and then under the connection action of the outer side reeds 223, the top reed group 21 and the bottom reed 22 are deformed together, so that the overall elasticity of the top reed group is consistent, and the two moving contacts at the two sides of the first opening 214 finally act together, such as contact or disconnection contact with the corresponding two fixed contacts. Thereby avoiding failure of the relay.
One side of the second end of the moving contact mounting plate 10 is provided with an avoidance groove 12.
Referring to fig. 6, the present invention further provides a relay having the above-mentioned structure, which includes a base 110, an upper cover relatively connected to the base, an electromagnetic assembly, a plurality of static contact assemblies 120, a plurality of novel moving contact assemblies 130 and a linkage plate 140 disposed in the base 110.
A plurality of parallel fixed contact mounting grooves 111 and moving contact mounting grooves 113 which are arranged at intervals are formed in the base 110; the side wall of the base 110 is provided with a fixed contact opening 112 corresponding to the fixed contact mounting groove 111, a movable contact opening 114 corresponding to the movable contact mounting groove 113, the fixed contact assembly 120 is positioned in the fixed contact mounting groove 111 and penetrates through the fixed contact opening 112, the novel movable contact assembly 130 is positioned in the movable contact mounting groove 113 and penetrates through the movable contact opening 114, and the avoidance grooves 12 of the movable contact mounting plate 10 face the bottom of the base 110.
The linkage plate 140 passes through the avoidance grooves 12 of the plurality of novel moving contact assemblies 130.
One end of the linkage plate 140 is provided with a connecting groove 141, and a plurality of linkage grooves 142 are formed in the linkage plate 140 at intervals.
The connecting slot 141 of the linkage plate 140 is connected with the output end of the electromagnetic assembly, and one end of the movable contact unit 20 away from the rivet 30 is located in the linkage slot 142, when the electromagnetic assembly drives the linkage plate 140 to move, the linkage plate 140 drives one ends of the movable contact units 20 away from the rivet 30 to swing.
The fixed contact assembly 120 is provided with a second abutting bump 121 in a protruding manner at the inner side of the fixed contact opening 112, and a fixed contact is arranged at one side of the fixed contact assembly 120, which is far away from one end of the fixed contact opening 112 and faces the novel movable contact assembly 130.
The moving contact 23 of the novel moving contact assembly 130 faces the fixed contact assembly 120.
The first abutment projection 11 of the moving contact mounting plate 10 is located inside the moving contact opening 114 for preventing the moving contact mounting plate 10 from sliding out of the moving contact opening 114, and the second abutment projection 121 of the fixed contact assembly 120 is used for preventing the fixed contact assembly 120 from sliding out of the fixed contact opening 112.
Compared with the prior art, the novel moving contact assembly comprises a moving contact mounting plate 10, a moving contact unit 20 and a plurality of rivets 30 for connecting the first end of the moving contact unit 20 and the first end of the moving contact mounting plate 10; the movable contact unit 20 comprises a top reed group 21, a bottom reed 22 and a movable contact 23 penetrating through the top reed group 21 and the bottom reed 22 and away from the second end of the rivet 30; the middle part of the top reed group 21 is provided with a first opening 214 along the length direction, the first end of the first opening 214 is close to the first end of the top reed group 21 connecting rivet 30, and the second end of the first opening 214 penetrates through the second end of the top reed group 21; the bottom reed 22 comprises a bottom reed body 221, an inner reed 222 extending to the second end of the bottom reed body 221, and an outer reed 223 obliquely connected to the second end of the bottom reed body 221 and located outside the inner reed 222; the middle parts of the bottom reed body 221 and the inner side reed 222 are provided with a second opening 2211 along the length direction, the first end of the second opening 2211 is close to the first end of the bottom reed body 221, and the second end penetrates through the second end of the bottom reed body 221 and the inner side reed 222; a third opening 2231 is formed between the outer reed 223 and the inner reed 222, and both ends of the outer reed 223 are respectively connected to both sides of the second end of the bottom reed body 221. Therefore, the device can adapt to slight inconformity of heights of the fixed contact and the moving contact at two sides of the opening or slight inconformity of pressures at two sides of the opening, and can ensure that the whole elastic force of the moving contact assembly is uniform and can be effectively connected or disconnected.
The above is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions or improvements within the spirit of the present invention are intended to be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a novel moving contact subassembly which characterized in that: the movable contact comprises a movable contact mounting plate, a movable contact unit and a plurality of rivets for connecting the first end of the movable contact unit with the first end of the movable contact mounting plate; the movable contact unit comprises a top reed group and a bottom reed, and a movable contact penetrating through the top reed group and the bottom reed and being far away from the second end of the rivet; the middle part of the top reed group is provided with a first opening along the length direction, the first end of the first opening is close to the first end of the top reed group connecting rivet, and the second end of the first opening penetrates through the second end of the top reed group; the bottom reed comprises a bottom reed body, an inner side reed which is arranged at the second end of the bottom reed body far away from the rivet in an extending way, and an outer side reed which is connected with the second end of the bottom reed body in an inclined way and is positioned at the outer side of the inner side reed; the middle parts of the bottom reed body and the inner side reed are provided with second openings along the length direction, the first ends of the second openings are close to the first ends of the bottom reed body, and the second ends penetrate through the second ends of the bottom reed body and the inner side reed; a third opening is formed between the outer reed and the inner reed, two ends of the outer reed are respectively connected with two sides of the second end of the bottom reed main body, and the second end of the top reed group is respectively provided with a first through hole at two sides of the first opening; the inner reed is provided with a second through hole at two sides of the second opening respectively; the movable contact comprises a contact cap and a connecting column vertically connected with one side of the contact cap, the connecting column penetrates through the first through hole and the second through hole, and the outer side reed inclines towards the direction far away from the top reed group.
2. The novel moving contact assembly of claim 1, wherein: the top reed group sequentially comprises a first reed, a second reed and a third reed from one side far from the movable contact mounting plate to one side close to the movable contact mounting plate.
3. The novel moving contact assembly of claim 2, wherein: the lengths of the first reed and the second reed are the same, and the length of the third reed is smaller than the lengths of the first reed and the second reed.
4. The novel moving contact assembly of claim 1, wherein: and a first abutting bump is arranged on one side of the second end of the moving contact mounting plate in a protruding mode.
5. The novel moving contact assembly of claim 1, wherein: and one side of the second end of the moving contact mounting plate is provided with an avoidance groove.
6. A relay, characterized in that: the relay comprises a base, an upper cover, an electromagnetic assembly, a plurality of fixed contact assemblies, a plurality of novel movable contact assemblies and a linkage plate, wherein the upper cover is connected with the base in a relative manner, the electromagnetic assembly, the fixed contact assemblies, the novel movable contact assemblies and the linkage plate are arranged in the base, and a plurality of fixed contact mounting grooves and movable contact mounting grooves which are arranged in parallel and at intervals are formed in the base; the side wall of the base is provided with a fixed contact opening corresponding to the fixed contact mounting groove, a movable contact opening corresponding to the movable contact mounting groove is provided, the fixed contact component is positioned in the fixed contact mounting groove and penetrates through the fixed contact opening, and the novel movable contact component is positioned in the movable contact mounting groove and penetrates through the movable contact opening; one end of the linkage plate is connected with the output end of the electromagnetic assembly, a plurality of linkage grooves are formed in the linkage plate at intervals, and one end of the moving contact unit, which is far away from the rivet, is located in the linkage grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445011.3A CN110265264B (en) | 2019-05-27 | 2019-05-27 | Novel moving contact assembly and relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445011.3A CN110265264B (en) | 2019-05-27 | 2019-05-27 | Novel moving contact assembly and relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110265264A CN110265264A (en) | 2019-09-20 |
| CN110265264B true CN110265264B (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910445011.3A Active CN110265264B (en) | 2019-05-27 | 2019-05-27 | Novel moving contact assembly and relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110265264B (en) |
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| JPH09283245A (en) * | 1996-04-10 | 1997-10-31 | Hitachi Ltd | Connector for card relay |
| CN101661848A (en) * | 2009-10-09 | 2010-03-03 | 闫淼江 | Contact assembly of isolating switch |
| CN202217627U (en) * | 2011-07-15 | 2012-05-09 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN205428806U (en) * | 2015-10-10 | 2016-08-03 | 国网冀北电力有限公司张家口供电公司 | Contact terminal of disconnecting switch |
| WO2017167085A1 (en) * | 2016-03-30 | 2017-10-05 | 上海电科电器科技有限公司 | Internal feedback apparatus for control and protection of electrical switching device |
| CN206711851U (en) * | 2017-04-26 | 2017-12-05 | 浙江奔一电气有限公司 | A kind of moving contact of breaker repulsion flick after step self-locking structure |
| CN208173503U (en) * | 2018-06-06 | 2018-11-30 | 佛山市高明欧一电子制造有限公司 | A kind of temperature controller electrically connects the temperature-sensitive material fixed touching plate of switch block |
| CN109192561A (en) * | 2018-10-22 | 2019-01-11 | 安徽银点电子科技有限公司 | A kind of floor contact |
| CN208538772U (en) * | 2018-08-22 | 2019-02-22 | 浙江格蕾特电器股份有限公司 | Two-way selects magnetic latching relay |
| CN208538773U (en) * | 2018-08-22 | 2019-02-22 | 浙江格蕾特电器股份有限公司 | Magnetic latching relay with driving lever |
| CN209993550U (en) * | 2019-05-27 | 2020-01-24 | 浙江格蕾特电器股份有限公司 | Novel movable contact assembly and relay |
-
2019
- 2019-05-27 CN CN201910445011.3A patent/CN110265264B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09283245A (en) * | 1996-04-10 | 1997-10-31 | Hitachi Ltd | Connector for card relay |
| CN101661848A (en) * | 2009-10-09 | 2010-03-03 | 闫淼江 | Contact assembly of isolating switch |
| CN202217627U (en) * | 2011-07-15 | 2012-05-09 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN205428806U (en) * | 2015-10-10 | 2016-08-03 | 国网冀北电力有限公司张家口供电公司 | Contact terminal of disconnecting switch |
| WO2017167085A1 (en) * | 2016-03-30 | 2017-10-05 | 上海电科电器科技有限公司 | Internal feedback apparatus for control and protection of electrical switching device |
| CN206711851U (en) * | 2017-04-26 | 2017-12-05 | 浙江奔一电气有限公司 | A kind of moving contact of breaker repulsion flick after step self-locking structure |
| CN208173503U (en) * | 2018-06-06 | 2018-11-30 | 佛山市高明欧一电子制造有限公司 | A kind of temperature controller electrically connects the temperature-sensitive material fixed touching plate of switch block |
| CN208538772U (en) * | 2018-08-22 | 2019-02-22 | 浙江格蕾特电器股份有限公司 | Two-way selects magnetic latching relay |
| CN208538773U (en) * | 2018-08-22 | 2019-02-22 | 浙江格蕾特电器股份有限公司 | Magnetic latching relay with driving lever |
| CN109192561A (en) * | 2018-10-22 | 2019-01-11 | 安徽银点电子科技有限公司 | A kind of floor contact |
| CN209993550U (en) * | 2019-05-27 | 2020-01-24 | 浙江格蕾特电器股份有限公司 | Novel movable contact assembly and relay |
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| Publication number | Publication date |
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| CN110265264A (en) | 2019-09-20 |
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