CN113363103A - Elastic contact device and switch device - Google Patents
Elastic contact device and switch device Download PDFInfo
- Publication number
- CN113363103A CN113363103A CN202010694363.5A CN202010694363A CN113363103A CN 113363103 A CN113363103 A CN 113363103A CN 202010694363 A CN202010694363 A CN 202010694363A CN 113363103 A CN113363103 A CN 113363103A
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- CN
- China
- Prior art keywords
- contact
- conductive
- wire bending
- bending elastic
- rod
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/14—Means for increasing contact pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
Abstract
An elastic contact device and a switch device, wherein the elastic contact device comprises a first wire bending elastic conductive contact seat, a conductive rod with a spherical contact, a second wire bending elastic conductive contact seat, a connecting rod, a crank arm and an operation driving shaft; the spherical contacts at two ends of the conductive rod with the spherical contacts are respectively connected with the first wire bending elastic conductive contact seat and the second wire bending elastic conductive contact seat; one end of the connecting rod is connected with the conductive rod with the spherical contact through a conductive rod rotating shaft, and the other end of the connecting rod is connected with the crank arm through a rotating shaft; the crank arm is connected with an operation driving shaft, and the operation driving shaft is operated to drive the conducting rod to be disconnected and contacted with the second wire bending elastic conducting contact seat. The elastic contact device and the switch device have the characteristics of low cost, large contact surface and strong deflection-accommodating capacity.
Description
Technical Field
The invention relates to the technical field of small current on-off, in particular to an elastic contact device and a switch device.
Background
The common isolating switch of the power equipment is mostly of a disconnecting link type, and the switch has the characteristics of complex structure, higher cost and poor deviation tolerance capability. When the disconnecting link is installed, the blade clamping force is adjusted more complicatedly, the process requirement is higher, the contact area of the disconnecting link is contacted by a contact on the disconnecting link, the contact area is small, and certain requirements are met for the contact pressure. Therefore, a switch device with low cost, large contact area and strong bias-holding capacity is needed urgently.
Disclosure of Invention
The invention aims to solve the problems of high cost, small contact surface and poor deviation-tolerance capability of the disconnecting link type isolating switch.
In order to achieve the above object, a first aspect of the present invention provides an elastic contact device comprising a first wire bending elastic conductive contact base 1, a conductive rod 5 with a ball contact, a second wire bending elastic conductive contact base 7, a link 9, a crank arm 10 and an operation driving shaft 11;
the spherical contacts at two ends of the conductive rod 5 with the spherical contacts are respectively connected with the first wire bending elastic conductive contact seat 1 and the second wire bending elastic conductive contact seat 7;
one end of the connecting rod 9 is connected to the conductive rod 5 with the spherical contact through a conductive rod rotating shaft 4, and the other end of the connecting rod is connected to the crank arm 10 through a rotating shaft; the crank arm 10 is connected with the operation driving shaft 11, and the operation driving shaft 11 is operated to drive the conductive rod 5 to be disconnected and contacted with the second wire bending elastic conductive contact seat 7.
Furthermore, the spherical contacts at two ends of the conductive rod 5 with the spherical contacts are respectively a static end spherical contact 3 and a movable end spherical contact 6, the static end spherical contact 3 is connected with the first wire bending elastic conductive contact seat 1 through a static end fixing bolt 2, and the static end spherical contact 3 can rotate around the static end fixing bolt 2; the movable end ball contact 6 can be disconnected and contacted with the second wire bending elastic conductive contact seat 7 when the conductive rod 5 rotates.
Furthermore, a round hole which is through from front to back is formed in the center of the conducting rod 5 and used for installing the conducting rod rotating shaft 4; the center of the conducting rod 5 is provided with a long hole which is through from left to right and is used for accommodating one end of the connecting rod 9, and the connecting rod 9 is connected through the conducting rod rotating shaft.
Further, the static end spherical contact 3 is in a shape of a table, and fixing holes are formed in planes penetrating through two ends of the table and used for accommodating the static end fixing bolts 2; the fixed end fixing bolt 2 is tightly connected with the fixed end spherical contact 3 and the first wire bending elastic conductive contact seat 1, so that the fixed end spherical contact 3 can rotate around the first wire bending elastic conductive contact seat 1.
Further, the movable end ball-shaped contact 6 is spherical.
Further, the second wire bending elastic conductive contact seat 7 comprises an arc-shaped base 12, a connecting part 13 and two contact parts 14, wherein the connecting part 13 extends from two ends of the arc-shaped base 12 in an inclined and upward manner; the arc-shaped base 12 is connected with a conductive piece which needs to be conductively connected; the two contact portions 14 are connected to the connecting portion 13, respectively, for contacting with or disconnecting from the movable end ball contact 6.
Further, the two contact portions 14 are circular rings, and the distance between the two contact portions is smaller than the diameter of the moving-end ball contact 6, so that the moving-end ball contact 6 is tightly contacted with the moving-end ball contact 6 when being embedded between the contact portions 14.
Furthermore, the first wire bending elastic conductive contact seat and the second wire bending elastic conductive contact seat are the same in shape and are formed by bending elastic bronze wires.
Furthermore, the wire bending elastic conductive contact device further comprises a conductive limiting part 8 which is arranged at one end of the second wire bending elastic conductive contact seat 7 and used for limiting the rotating range of the conductive rod 5.
A second aspect of the invention provides a switching device comprising a resilient contact arrangement as described above.
In summary, the present invention provides an elastic contact device and a switch device, wherein the elastic contact device comprises a first wire bending elastic conductive contact seat, a conductive rod with a ball contact, a second wire bending elastic conductive contact seat, a connecting rod, a crank arm and an operation driving shaft; the spherical contacts at two ends of the conductive rod with the spherical contacts are respectively connected with the first wire bending elastic conductive contact seat and the second wire bending elastic conductive contact seat; one end of the connecting rod is connected with the conductive rod with the spherical contact through a conductive rod rotating shaft, and the other end of the connecting rod is connected with the crank arm through a rotating shaft; the crank arm is connected with an operation driving shaft, and the operation driving shaft is operated to drive the conducting rod to be disconnected and contacted with the second wire bending elastic conducting contact seat. The elastic contact device and the switch device have the characteristics of low cost, large contact surface and strong deflection-accommodating capacity.
Drawings
FIG. 1 is a schematic structural diagram of a spring contact device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a conductive rod according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a wire bending elastic conductive contact base according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The schematic diagram of the small-current elastic contact device provided by the invention is shown in fig. 1-3, and the connection mode comprises a wire bending elastic conductive contact seat 1, a fixed end fixing bolt 2, a fixed end spherical contact 3, a conductive rod rotating shaft 4, a conductive rod 5 with a spherical contact, a movable end spherical contact 6, a wire bending elastic conductive contact seat 7, a conductive limiting part 8, a connecting rod 9, a crank arm 10 and an operation driving shaft 11. The wire bending elastic conductive contact seat 1, the static end fixing bolt 2 and the static end spherical contact 3 are fixed on a conductive piece at one end, and a rotating shaft on a conductive rod 5 with the spherical contact is connected with a connecting rod 9 and a crank arm 10 in a certain connection mode. The movable end spherical contact 6 on the conductive rod 5 with the spherical contact can be disconnected and contacted with the wire bending elastic conductive contact seat 7 through the operation driving shaft 11 on the operation crank arm 10, and the static end spherical contact 3 rotates around the wire bending elastic conductive contact seat 1 and the static end fixing bolt 2, so that the on-off of current is realized. The contact surface of the spherical contact and the wire bending elastic conductive contact seat is large in contact, and the through-flow performance is reliable.
Specifically, the invention provides an elastic contact device, which comprises a first wire bending elastic conductive contact seat 1, a conductive rod 5 with a spherical contact, a second wire bending elastic conductive contact seat 7, a connecting rod 9, a crank arm 10 and an operation driving shaft 11; the spherical contacts at two ends of the conductive rod 5 with the spherical contacts are respectively connected with the first wire bending elastic conductive contact seat 1 and the second wire bending elastic conductive contact seat 7; one end of a connecting rod 9 is connected with the conductive rod 5 with the spherical contact through a conductive rod rotating shaft 4, and the other end of the connecting rod is connected with the crank arm 10 through a rotating shaft; the crank arm 10 is connected with the operation driving shaft 11, and the operation driving shaft 11 is operated to drive the conductive rod 5 to be disconnected and contacted with the second wire bending elastic conductive contact seat 7.
Furthermore, the spherical contacts at two ends of the conductive rod 5 with the spherical contacts are respectively a static end spherical contact 3 and a movable end spherical contact 6, the static end spherical contact 3 is connected with the first wire bending elastic conductive contact seat 1 through a static end fixing bolt 2, and the static end spherical contact 3 can rotate around the static end fixing bolt 2; the movable end ball contact 6 can be disconnected and contacted with the second wire bending elastic conductive contact seat 7 when the conductive rod 5 rotates. The two ends of the conductive rod with the spherical contacts are both spherical contacts, and the conductive rod can be reliably contacted with the wire bending elastic conductive contact seat in a matching way, so that the contact surface is large in contact.
Furthermore, a round hole which is through from front to back is formed in the center of the conducting rod 5 and used for installing the conducting rod rotating shaft 4; the center of the conducting rod 5 is provided with a long hole which is through from left to right and is used for accommodating one end of the connecting rod 9, and the connecting rod 9 is connected through the conducting rod rotating shaft.
Further, the static end spherical contact 3 is in a shape of a table, and fixing holes are formed in planes penetrating through two ends of the table and used for accommodating the static end fixing bolts 2; the fixed end fixing bolt 2 is tightly connected with the fixed end spherical contact 3 and the first wire bending elastic conductive contact seat 1, so that the fixed end spherical contact 3 can rotate around the first wire bending elastic conductive contact seat 1.
Further, the movable end ball-shaped contact 6 is spherical.
Further, the second wire bending elastic conductive contact seat 7 comprises an arc-shaped base 12, a connecting part 13 and two contact parts 14, wherein the connecting part 13 extends from two ends of the arc-shaped base 12 in an inclined and upward manner; the arc-shaped base 12 is connected with a conductive piece which needs to be conductively connected; the two contact portions 14 are connected to the connecting portion 13, respectively, for contacting with or disconnecting from the movable end ball contact 6.
Further, the two contact portions 14 are circular rings, and the distance between the two contact portions is smaller than the diameter of the moving-end ball contact 6, so that the moving-end ball contact 6 is tightly contacted with the moving-end ball contact 6 when being embedded between the contact portions 14.
Furthermore, the first wire bending elastic conductive contact seat and the second wire bending elastic conductive contact seat are the same in shape and are formed by bending elastic bronze wires. The wire bending elastic conductive contact seat is formed by bending an elastic bronze wire with higher conductivity, and has a simple structure and material saving; the conductive contact area is large when the spherical contact is matched with the spherical contact, and the capacity of partial deviation is strong.
Furthermore, the wire bending elastic conductive contact device further comprises a conductive limiting part 8 which is arranged at one end of the second wire bending elastic conductive contact seat 7 and used for limiting the rotating range of the conductive rod 5.
A second aspect of the invention provides a switching device comprising a resilient contact arrangement as described above.
In summary, the present invention provides an elastic contact device and a switch device, wherein the elastic contact device comprises a first wire bending elastic conductive contact seat, a conductive rod with a ball contact, a second wire bending elastic conductive contact seat, a connecting rod, a crank arm and an operation driving shaft; the spherical contacts at two ends of the conductive rod with the spherical contacts are respectively connected with the first wire bending elastic conductive contact seat and the second wire bending elastic conductive contact seat; one end of the connecting rod is connected with the conductive rod with the spherical contact through a conductive rod rotating shaft, and the other end of the connecting rod is connected with the crank arm through a rotating shaft; the crank arm is connected with an operation driving shaft, and the operation driving shaft is operated to drive the conducting rod to be disconnected and contacted with the second wire bending elastic conducting contact seat. The elastic contact device and the switch device have the characteristics of low cost, large contact surface and strong deflection-accommodating capacity.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. An elastic contact device is characterized by comprising a first wire bending elastic conductive contact seat (1), a conductive rod (5) with a spherical contact, a second wire bending elastic conductive contact seat (7), a connecting rod (9), a crank arm (10) and an operation driving shaft (11);
the spherical contacts at two ends of the conductive rod (5) with the spherical contacts are respectively connected with the first wire bending elastic conductive contact seat (1) and the second wire bending elastic conductive contact seat (7);
one end of the connecting rod (9) is connected to the conductive rod (5) with the spherical contact through a conductive rod rotating shaft (4), and the other end of the connecting rod is connected to the crank arm (10) through a rotating shaft; the crank arm (10) is connected with the operation driving shaft (11), and the operation driving shaft (11) is operated to drive the conducting rod (5) and the second wire bending elastic conducting contact seat (7) to be disconnected and contacted.
2. The elastic contact device according to claim 1, wherein the ball-shaped contacts at both ends of the conductive rod (5) with the ball-shaped contacts are a static-end ball-shaped contact (3) and a dynamic-end ball-shaped contact (6), the static-end ball-shaped contact (3) is connected with the first wire bending elastic conductive contact seat (1) through a static-end fixing bolt (2), and the static-end ball-shaped contact (3) can rotate around the static-end fixing bolt (2); the movable end spherical contact (6) can be disconnected and contacted with the second wire bending elastic conductive contact seat (7) when the conductive rod (5) rotates.
3. The elastic contact device according to claim 1 or 2, wherein a round hole penetrating from front to back is formed in the center of the conductive rod (5) and used for installing the conductive rod rotating shaft (4); the center of the conducting rod (5) is provided with a long hole which is through from left to right and is used for accommodating one end of the connecting rod (9), and the connecting rod (9) is connected through the conducting rod rotating shaft.
4. A resilient contact means according to any of claims 1-3, wherein the stationary spherical contact (3) is shaped as a table of a sphere, and wherein fixing holes are provided through the two end planes of the table for receiving the stationary fixing bolts (2); the static end fixing bolt (2) is fixedly connected with the static end spherical contact (3) and the first wire bending elastic conductive contact seat (1), so that the static end spherical contact (3) can rotate around the first wire bending elastic conductive contact seat (1).
5. Elastic contact device according to any one of claims 1 to 4, characterized in that the moving end ball contact (6) is spherical.
6. The elastic contact device according to claim 5, wherein the second wire bending elastic conductive contact base (7) comprises an arc-shaped base (12), a connection portion (13) extending obliquely upward from both ends of the arc-shaped base (12), and two contact portions (14); the arc-shaped base (12) is connected with a conductive piece which needs to be conductively connected; the two contact parts (14) are respectively connected with the connecting part (13) and are used for being in contact with or disconnected from the movable end ball-shaped contact (6).
7. Elastic contact device according to claim 6, characterized in that the two contact portions (14) are circular and the distance between them is smaller than the diameter of the moving-end ball contact (6), so that the moving-end ball contact (6) is in close contact with the moving-end ball contact (6) when it is inserted between the contact portions (14).
8. The spring contact device of any of claims 1-7, wherein the first and second wire-bending spring contact mounts are identical in shape and are bent from spring bronze wire.
9. The elastic contact device according to any one of claims 1 to 8, further comprising an electrically conductive stopper (8) disposed at one end of the second wire bending elastic contact base (7) for limiting a range of rotation of the electrically conductive rod (5).
10. A switching device, characterized in that it comprises a resilient contact means according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010694363.5A CN113363103A (en) | 2020-07-17 | 2020-07-17 | Elastic contact device and switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010694363.5A CN113363103A (en) | 2020-07-17 | 2020-07-17 | Elastic contact device and switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113363103A true CN113363103A (en) | 2021-09-07 |
Family
ID=77524457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010694363.5A Pending CN113363103A (en) | 2020-07-17 | 2020-07-17 | Elastic contact device and switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113363103A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050081A (en) * | 2021-11-11 | 2022-02-15 | 许昌许继软件技术有限公司 | Isolating switch |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63182440U (en) * | 1987-05-18 | 1988-11-24 | ||
| JPH1028306A (en) * | 1996-07-10 | 1998-01-27 | Hitachi Electric Syst:Kk | Earth switch |
| CN1291781A (en) * | 1999-08-30 | 2001-04-18 | 阿尔卑斯电气株式会社 | Rotating type electric assembly blocks |
| CN103219191A (en) * | 2013-04-22 | 2013-07-24 | 许昌永新电气股份有限公司 | High-voltage electric appliance switch novel separate-combined transmission device |
| CN204178992U (en) * | 2014-11-05 | 2015-02-25 | 中国西电电气股份有限公司 | The conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch |
| CN105810462A (en) * | 2016-05-05 | 2016-07-27 | 许继（厦门）智能电力设备股份有限公司 | Contact connection structure of voltage resistant tooling |
| CN209169034U (en) * | 2019-01-25 | 2019-07-26 | 上海西门子高压开关有限公司 | Isolation switch device |
-
2020
- 2020-07-17 CN CN202010694363.5A patent/CN113363103A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63182440U (en) * | 1987-05-18 | 1988-11-24 | ||
| JPH1028306A (en) * | 1996-07-10 | 1998-01-27 | Hitachi Electric Syst:Kk | Earth switch |
| CN1291781A (en) * | 1999-08-30 | 2001-04-18 | 阿尔卑斯电气株式会社 | Rotating type electric assembly blocks |
| CN103219191A (en) * | 2013-04-22 | 2013-07-24 | 许昌永新电气股份有限公司 | High-voltage electric appliance switch novel separate-combined transmission device |
| CN204178992U (en) * | 2014-11-05 | 2015-02-25 | 中国西电电气股份有限公司 | The conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch |
| CN105810462A (en) * | 2016-05-05 | 2016-07-27 | 许继（厦门）智能电力设备股份有限公司 | Contact connection structure of voltage resistant tooling |
| CN209169034U (en) * | 2019-01-25 | 2019-07-26 | 上海西门子高压开关有限公司 | Isolation switch device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050081A (en) * | 2021-11-11 | 2022-02-15 | 许昌许继软件技术有限公司 | Isolating switch |
| CN114050081B (en) * | 2021-11-11 | 2024-02-13 | 许昌许继软件技术有限公司 | Isolation switch |
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