CN112133584B - Rotary plug-in contact - Google Patents
Rotary plug-in contact Download PDFInfo
- Publication number
- CN112133584B CN112133584B CN202011103293.8A CN202011103293A CN112133584B CN 112133584 B CN112133584 B CN 112133584B CN 202011103293 A CN202011103293 A CN 202011103293A CN 112133584 B CN112133584 B CN 112133584B
- Authority
- CN
- China
- Prior art keywords
- moving contact
- contact
- moving
- main shaft
- supporting piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003068 static effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/08—Bases; Stationary contacts mounted thereon
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Push-Button Switches (AREA)
Abstract
The invention provides a rotary plug-in contact, which comprises a moving contact component, a fixed contact and a connecting plate, wherein the moving contact component is connected with the fixed contact through the connecting plate; the moving contact component rotates along with the rotation of the main shaft, and the fixed contact and the connecting plate are arranged on two sides of the main shaft in a row. The rotary plug-in contact has the advantages of large opening distance and double break points, and has good dynamic stability, so that high short-time tolerance is achieved; the lower opening of the switch is designed to be converged, so that the switch is convenient for customers to use.
Description
Technical Field
The invention belongs to the field of transfer switching appliances, and particularly relates to a rotary plug-in contact.
Background
The contact of the existing rotary change-over switch mostly adopts a clapper type, silver-based alloy is adopted as the contact, the manufacturing cost is high, the contact is influenced by power when bearing larger current, the dynamic stability is poor, and the short-time tolerance index is low.
Disclosure of Invention
In view of the above, the present invention is directed to overcoming the above-mentioned drawbacks of the prior art and providing a rotary type plug-in contact.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a rotary plug-in contact comprises a moving contact component, a fixed contact and a connecting plate;
the moving contact assembly is rotationally connected with the main shaft, and the fixed contact and the connecting plate are arranged on two sides of the main shaft respectively;
when the moving contact assembly rotates to the switching-on position, the end part of the fixed contact and the end part of the connecting plate are inserted between the moving contact bodies.
Furthermore, the moving contact component comprises a moving contact body, a support, a moving contact support plate, a support and a spring;
the support is internally provided with a contact through hole for mounting the moving contact body and the moving contact supporting plate, and the opening of the two contact through holes is provided with a separating rib plate which divides the through hole into an upper part and a lower part for placing the moving contact body and the moving contact supporting plate;
the top of the bracket is also provided with a supporting piece mounting hole penetrating into the contact through hole, a supporting piece and a spring are arranged in the supporting piece, and the moving contact body and the moving contact supporting plate are arranged in the supporting piece;
one side of the bracket protrudes outwards and is provided with a main shaft mounting hole for being connected with a main shaft.
Furthermore, the moving contact component also comprises a moving contact body; the middle part of one side of the moving contact body is outwards protruded, and grooves are formed in the two ends of the moving contact body; the two ends of the moving contact supporting plate are provided with bends corresponding to the grooves, and the moving contact supporting plate is connected with the moving contact body in a clamping mode.
Furthermore, a spring is arranged in the support, one end of the spring is connected with the moving contact support plate, and the other end of the spring is connected with the inner wall of the support.
Further, the number of the support mounting holes is two.
Furthermore, the end part of the connecting plate is of a horn-shaped structure, and the outer edge of the horn-shaped structure is wedge-shaped.
Compared with the prior art, the invention has the following advantages:
the rotary plug-in contact has the advantages of large opening distance and double break points, and has good dynamic stability, thereby achieving higher short-time tolerance; the lower opening of the switch is designed to be converged, so that the switch is convenient for customers to use.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of an embodiment of the present invention in a brake-off position;
FIG. 2 is a schematic diagram of an embodiment of the present invention in a closing position;
fig. 3 is a schematic view of a movable contact according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a movable contact according to an embodiment of the present invention;
FIG. 5 is a schematic view of a holder according to an embodiment of the invention;
FIG. 6 is a side view of a stent according to an embodiment of the present invention;
fig. 7 is a schematic view of a movable contact body according to an embodiment of the present invention;
fig. 8 is a schematic view of a movable contact supporting plate according to an embodiment of the present invention;
FIG. 9 is a schematic view of a support according to an embodiment of the present invention;
fig. 10 is a schematic view of a static contact according to an embodiment of the present invention;
fig. 11 is a schematic view of a coupling plate according to an embodiment of the present invention.
Description of reference numerals:
1. a main shaft; 2. static contact; 3. a moving contact assembly; 4. a coupling plate; 5. a support; 6. a moving contact body; 7. a moving contact support plate; 8. a support member; 9. a spring; 501. a support mounting hole; 502. a main shaft mounting hole; 503. a contact through hole; 601. a groove; 701. and (6) bending.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
1-2, which is a schematic diagram of the brake opening position and the brake closing position, and comprises a main shaft (1); a static contact (2); a moving contact component (3); a connecting plate (4);
the moving contact component (3) is rotationally connected with the main shaft (1), and the static contact (2) and the connecting plate (4) are arranged on two sides of the main shaft respectively;
when the moving contact component (3) rotates to a switching-on position, the end part of the static contact (2) and the end part of the connecting plate (6) are inserted between the moving contact bodies (6).
As shown in fig. 3-9, it is a schematic view of the movable contact assembly (3) and its related structural components.
The moving contact component (3) comprises a bracket (5), a moving contact body (6) and a moving contact supporting plate (7); contact through holes (503) for installing a moving contact body (6) and a moving contact support plate (7) are arranged in the support (5), and separating rib plates are arranged at openings of the two contact through holes (503) to separate the contact through holes (503) into an upper part and a lower part for placing two groups of moving contact bodies (6) and moving contact support plates (7); the top of the bracket (5) is also provided with a supporting piece mounting hole (501) penetrating into the contact through hole (503), a supporting piece (8) is arranged in the bracket, and the moving contact body (6) and the moving contact supporting plate (7) are arranged in the supporting piece (8); one side of the bracket (5) protrudes outwards and is provided with a main shaft mounting hole (502) for connecting with a main shaft.
The middle part of one side of the moving contact body (6) is outwards protruded, and grooves (601) are arranged at two ends of the moving contact body; two ends of the moving contact supporting plate (7) are provided with bends (701) corresponding to the grooves (601), and the moving contact supporting plate (7) is connected with the moving contact body (6) in a clamping mode. A spring (9) is also arranged in the supporting piece (8), one end of the spring (9) is connected with the moving contact supporting plate (7), and the other end is connected with the inner wall of the supporting piece (8). The number of the support mounting holes (501) is two.
Two groups of supporting pieces (8) are installed into the bracket (5) from the supporting piece installation holes (501), and the springs (9) are installed in the supporting pieces (8). Then, the bends (701) on the two sides of the moving contact support plate (7) are clamped into the groove (601) of the moving contact body (6), the moving contact support plate (7) and the moving contact body (6) are assembled together, then the moving contact support plate and the moving contact body are inserted into the contact through hole (503) and are installed in the support (5), and two groups of moving contact body (6) and moving contact support plate (7) assemblies are installed to form the moving contact assembly (3).
As shown in fig. 10; the main body of the static contact (2) is of a plate-shaped structure with one side bent, a wedge-shaped contact plate extends outwards at the bent part, and the wedge-shaped contact plate is symmetrically arranged relative to a connecting line of the connecting plate (4) and the main shaft.
As shown in fig. 11, the end of the connecting plate (4) is a horn-shaped structure, and the outer edge of the horn-shaped structure is wedge-shaped.
The rotary plug-in contact has the advantages of large opening distance, double breakpoints and good dynamic stability, thereby achieving higher short-time tolerance. The lower opening of the switch is designed to be converged, so that the switch is convenient for customers to use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A rotary plug-in contact, comprising: comprises a moving contact component (3), a fixed contact (2) and a connecting plate (4);
the moving contact component (3) rotates along with the rotation of the main shaft (1), and the static contact (2) and the connecting plate (4) are arranged on two sides of the main shaft respectively;
when the moving contact component (3) rotates to a switching-on position, the end part of the static contact (2) and the end part of the connecting plate (4) are inserted between a group of moving contact bodies (6);
the moving contact component (3) comprises a moving contact body (6), a support (5), a moving contact supporting plate (7), a supporting piece (8) and a spring (9);
contact through holes (503) for mounting the moving contact body (6) and the moving contact supporting plate (7) are arranged in the support (5), and separating rib plates are arranged at openings of the two contact through holes (503) to separate the contact through holes (503) into an upper part and a lower part for placing the moving contact body (6) and the moving contact supporting plate (7);
the top of the bracket (5) is also provided with a supporting piece mounting hole (501) penetrating into the contact through hole (503), a supporting piece (8) and a spring (9) are arranged in the supporting piece (8), and the moving contact body (6) and the moving contact supporting plate (7) are arranged in the supporting piece (8);
one side of the bracket (5) protrudes outwards and is provided with a main shaft mounting hole (502) for connecting with a main shaft.
2. A rotary type plug-in contact as recited in claim 1, wherein: the moving contact component (3) also comprises a moving contact body (6); the middle part of one side of the moving contact body (6) is outwards protruded, and grooves (601) are formed in two ends of the moving contact body; two ends of the moving contact supporting plate (7) are provided with bends (701) corresponding to the grooves (601), and the moving contact supporting plate (7) is connected with the moving contact body (6) in a clamping mode.
3. A rotary type interposer contact as recited in claim 1, wherein: and a spring (9) is also arranged in the supporting piece (8), one end of the spring (9) is connected with the moving contact supporting plate (7), and the other end of the spring is connected with the inner wall of the supporting piece (8).
4. A rotary type plug-in contact as recited in claim 1, wherein: the number of the support mounting holes (501) is two.
5. A rotary type interposer contact as recited in claim 1, wherein: the end part of the connecting plate (4) is in a horn-shaped structure, and the outer edge of the horn-shaped structure is in a wedge shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103293.8A CN112133584B (en) | 2020-10-15 | 2020-10-15 | Rotary plug-in contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103293.8A CN112133584B (en) | 2020-10-15 | 2020-10-15 | Rotary plug-in contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112133584A CN112133584A (en) | 2020-12-25 |
| CN112133584B true CN112133584B (en) | 2023-03-31 |
Family
ID=73853078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011103293.8A Active CN112133584B (en) | 2020-10-15 | 2020-10-15 | Rotary plug-in contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112133584B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768272B (en) * | 2020-12-28 | 2022-10-28 | 施耐德万高（天津）电气设备有限公司 | Manual-automatic and padlock structure of dual-power transfer switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178984A (en) * | 2007-09-24 | 2008-05-14 | 施耐德万高（天津）电气设备有限公司 | Contact system capable of automatically change-over switching electric appliance |
| CN103700520A (en) * | 2013-12-25 | 2014-04-02 | 施耐德万高（天津）电气设备有限公司 | Isolating switch moving contact group capable of improving contact stability |
| CN107731580A (en) * | 2017-09-22 | 2018-02-23 | 深圳市泰永电气科技有限公司 | Automatic transfer switching electric appliance and its contact assembly |
| CN210091945U (en) * | 2019-04-11 | 2020-02-18 | 浙江正泰电器股份有限公司 | Plug-in contact system and automatic transfer switching device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10312176B3 (en) * | 2003-03-19 | 2004-06-09 | Maschinenfabrik Reinhausen Gmbh | Load switch for stepping switch with 2 fixed main contact pairs for each current phase to be switched and cooperating movable main contact |
-
2020
- 2020-10-15 CN CN202011103293.8A patent/CN112133584B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178984A (en) * | 2007-09-24 | 2008-05-14 | 施耐德万高（天津）电气设备有限公司 | Contact system capable of automatically change-over switching electric appliance |
| CN103700520A (en) * | 2013-12-25 | 2014-04-02 | 施耐德万高（天津）电气设备有限公司 | Isolating switch moving contact group capable of improving contact stability |
| CN107731580A (en) * | 2017-09-22 | 2018-02-23 | 深圳市泰永电气科技有限公司 | Automatic transfer switching electric appliance and its contact assembly |
| CN210091945U (en) * | 2019-04-11 | 2020-02-18 | 浙江正泰电器股份有限公司 | Plug-in contact system and automatic transfer switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112133584A (en) | 2020-12-25 |
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