CN107221460A - The method that connector is fixedly connected with fixed contact therefor and corresponding switch - Google Patents
The method that connector is fixedly connected with fixed contact therefor and corresponding switch Download PDFInfo
- Publication number
- CN107221460A CN107221460A CN201610166619.9A CN201610166619A CN107221460A CN 107221460 A CN107221460 A CN 107221460A CN 201610166619 A CN201610166619 A CN 201610166619A CN 107221460 A CN107221460 A CN 107221460A
- Authority
- CN
- China
- Prior art keywords
- recess
- fixed contact
- side wall
- connector
- opening
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
Abstract
It is used for the present invention relates to a kind of by fixed contact therefor switch corresponding with method and one kind that the connector switched is fixedly connected, switch is by movable and fixed contact therefor (11, 12) constitute, wherein, one end of connector (12a) has recess (14), fixed contact therefor (12) is inserted into recess (14), wherein, recess (14) is by side wall (16) restricted boundary, and wherein, the part stretched into recess (14) of fixed contact therefor (12) has the opening (17) extended transverse to side wall (16), especially impenetrating mouth.In order to which fixed contact therefor is connected in the case where there is very small contact resistance with connector in a straightforward manner, it is recommended that applying pressure (P) from outside offside wall (16) on side wall (16), so that material is squeezed into opening (17), constituted on the side (16b) for face recess (14) raised (18), projection is stretched into opening (17).
Description
Technical field
Be used for the method that is fixedly connected of connector of fixed contact therefor and switch the present invention relates to a kind of and
A kind of corresponding switch, the switch has the switch contact being made up of movable and fixed contact therefor, connect
Contact element mutually reclines when switching closure, wherein, an end of connector has recess, fixed contact
Part is inserted into the recess, wherein, another end of connector outwards guides the connection for switch,
Wherein, the side wall restricted boundary that the recess is made up of in side the connector, and wherein, Gu
Determining the part stretched into recess of contact has opening extending transverse to side wall and facing side wall.
Background technology
A kind of such as known switch as load-break switch, and it all has one for each pole
Pole housing.In multipole switch, multiple such pole housings laterally mutually recline, wherein, shift fork axle
Extend transversely through its side wall.There is a bar in each pole housing, this root bar is often designed to
Double armed lever, can rotate, shift fork axle extends perpendicular to the longitudinal size of bar around the longitudinal axis of shift fork axle.
Movable contact is set on the free end of bar, and the contact is pasted respectively in the case where switching closure
Especially form is leaned against on the fixed contact therefor of plug-in strip contact.Fixed contact therefor by plate shape or rail
The connector of road shape is connected with the framework clamping element (clamping unit) that can contact from outside, will can be connected
In line insertion framework clamping element.The framework clamping element is in the end wall of pole housing on the both sides of shift fork axle
On, with the corresponding opening for connecting line.In addition, the two of shift fork axle in the region of contact
Side existence form is the arc extinction part of arc extinguishing board.
The content of the invention
The technical problems to be solved by the invention are, by fixed contact therefor in a straightforward manner with connector
Connection, wherein, contact resistance should be very small, so as to conducted in the case of less heating compared with
High electric current.
The technical problem passes through a kind of connector being used for fixed contact therefor and switch in terms of method
The method being fixedly connected is solved, and there is the switch switch being made up of movable and fixed contact therefor to touch
Head, the contact mutually reclines when switching closure, wherein, an end of connector has recess,
Fixed contact therefor is inserted into the recess, wherein, another end of connector is outwards guided for switching
Connection, wherein, the side wall restricted boundary that recess is made up of in side the connector, and wherein,
The part stretched into recess of fixed contact therefor has opening extending transverse to side wall and facing side wall,
By present invention provide that, side wall on the side of recess to the side wall apply pressure so that side wall
In press-in opening, wherein, recess is formed in the wall of side on side, and on the side for facing recess
Raised, raised at least a portion for stretching into opening and filling opening is made up of material extruding.
The technical problem is solved in terms of switch by a kind of switch with switch contact, switch contact
With movable and fixed contact therefor, wherein, contact mutually reclines when switching closure, wherein,
Fixed contact therefor is fixedly placed on an end of connector, and this end of connector has recessed
Mouthful, fixed contact therefor is inserted into recess, wherein, another end of connector is outwards guided for opening
The connection of pass, wherein, the side wall restricted boundary that recess is made up of in side the connector, and its
In, the part stretched into recess of fixed contact therefor has extending transverse to side wall and faces opening for side wall
Mouthful, by present invention provide that, there is recess on the side of recess in side wall, and facing recess
Side on there is projection, projection stretches into opening and fills at least a portion of opening, wherein, it is recessed
The volume at place is equal with raised volume.
Solution on method is that offside wall applies pressure on the side deviated from recess, makes
Side wall is obtained to be stamped into opening, wherein, recess is formed in the wall of side on this one side, and facing
The side of recess, which is moved and (extruded using the material of the permanent deformation of side wall) by material, constitutes projection, should
In raised insertion opening, and at least one portion (shape one with opening of (fully) filling opening
Cause).
Technically better simply is that the opening is designed as impenetrating mouth.
The intensity of connection can improved mode be, recess and fixed contact therefor insertion recess in part structure
Forming shape formula is connected.
Technically better simply is that side wall is for good and all deformed by punching press cam, wherein, punching press cam
Longitudinal axis is overlapped in deformation with the medial axis along impenetrating mouth Longitudinal extending of impenetrating mouth.
Solution on switch is there is recess on the side of recess in side wall, facing
There is projection on the side of recess, the projection is stretched into opening, and fills at least one portion of opening,
Wherein, the volume of recess is equal with raised volume.
Brief description of the drawings
The present invention is set forth in reference to embodiment.Accompanying drawing is：
Fig. 1 is the partial schematic diagram of the pole box of the switch with the housing being opened,
Fig. 2 is the explosive view of the connector of the track shape before two contacts are fixed,
The partial schematic diagram for the contact that Fig. 3 is inserted into,
Fig. 4 be as applied on the wall of side stressed result have fixed contact therefor according to Fig. 3
Partial schematic diagram, and
Fig. 5 is the connector and two fixed contact therefors according to Fig. 4 as profile.
Embodiment
Fig. 1 shows switch 1, especially load-break switch the single pole box 4 being opened, by branch
Support rail 3 and fixed guiding valve 3a, which will be switched, to be fixed on the rear wall 2 of switch cubicle.Switch 1 is generally by multiple
Pole box 4 is constituted, and these pole boxes are mutually reclined (not shown) with its side wall.Each pole box 4 has rear wall 6b.
Common shift fork axle 7 extends transversely through pole box 4.It can be inserted in opening 8a on the side of pole box 4
Enter connecting line, and by being bolted in framework clamping element (clamping unit) 9a.
It can be seen in fig. 1 that being provided with double armed lever 10a in shift fork axle 7.Double armed lever 10a from
A moving contact part 11 for carrying U-shaped cross-section is respectively present on end.U-shaped contact 11
Opening is opposed with the fixed contact therefor 12 that form is plug-in strip (so-called plug-in strip contact) respectively, contact 12
It is connected by the connector 12a of track shape with framework clamping element 9a.
In the case of the closure of switch 1, the contact 11,12 of two composition switch contacts mutually reclines,
And fixed contact therefor 12 (plug-in strip contact) touches the contact 11 run of U-shaped, wherein, can
Two side walls of moving contact part 11 abut in the both sides of contact 12 with applying active force.
Provided with the arc extinction part 13 that form is metallic plate, the arc extinction part 13 in the region of contact 11,12
Extinguish the electric arc produced when separating contact 11,12.
Figure 1 illustrates be separated from each other the two of switch contact contact 11,12.
Fig. 2 illustrates the connector 12a of the track shape before fixed contact therefor 12 to explode, herein
It is exemplary parallel to each other to be abreast placed in two therein on connector 12.
For each of the two contacts 12, connector 12a has a recess 14, and this is recessed
Mouth 14 separately designs as the through hole with rectangular cross section herein.Recess 14 is in side by by connector 12a
The restricted boundary of side wall 16 of composition.
Contact 12 can shape-ordinatedly insert each recessed by corresponding (moulding herein) projection 15
In mouth 14.Opening 17 extends through projection 15, and the opening 17 is designed as through hole or impenetrating mouth herein.
Contact 12 extends perpendicular to connector 12a two planar sides.
Fig. 3 shows the profile of a part for the contact 12 of insertion, and the opening 17 of contact 12 is (i.e.
The through hole of contact) extend perpendicular to side wall 16.In order to which contact 12 is fixedly connected with connector 12a,
Apply pressure P on side wall 16, i.e., apply pressure in the side 16a away from recess 14 of side wall 16.
In figure 3 along arrow P direction, for example by the punching press cam 19a only schematically shown in figure 3
Apply pressure, the cam appropriate diameter of punching press cam it is equal with the diameter of opening 17 (i.e. through hole).
The result applied on side wall 16 produced by pressure P is schematically shown with profile in Fig. 4.
It can be seen that, by the structural salient 18 on side wall 16, by side wall 16 opposed with side 16a one
Side 16b is stamped into opening 17, wherein, in raised 18 insertion opening 17.In the extension of projection 18
(herein up to depth shown in Fig. 4) in region, projection 18 is completely filled with opening 17.It is raised
18 formation is relevant with the recess 19 on the side 16a of side wall 16, i.e., by side wall 16
Material extrudes and forms projection 18.Side wall 16 is pressed into opening 17 and (extruded by larger pressure P)
Metal material volume with stretch into opening 17 in projection 18 volume it is equal.Contact 12 is with connecting
Fitting 12a connection realized by the permanent deformation of side wall 16 herein, wherein, projection 18 is in shape
Into reclining and (be laterally pressed in) in the case of electrical connection on the metal covering of through hole (opening 17).Recess 14 and stretch
Enter the projection 18 in recess 14 and constitute the connection of form fit formula to a certain extent herein.
Two leading to by fixed contact therefor 12 figure 5 illustrates connector 12a and according to Fig. 4
Cross the sectional view of recess 14.
In deformation (such as when in punching press), punching press cam 19a longitudinal axis should be opened with the edge of opening 17
The medial axis of 17 (through hole) Longitudinal extendings of mouth is overlapped, as shown in Figure 3.
Claims (5)
1. one kind is used for fixed contact therefor (12) with switching the side that the connector (12a) of (1) is fixedly connected
Method, the switch (1) has the switch contact being made up of energy moving contact part (11) and fixed contact therefor (12),
The moving contact part (11) and fixed contact therefor (12) mutually recline when switching (1) closure,
Wherein, an end of the connector (12a) has recess (14), the fixed contact therefor (12)
It is inserted into the recess,
Wherein, another end of the connector (12a) is outwards guided, the company for the switch (1)
Connect,
Wherein, the side wall (16) that the recess (14) is made up of in side the connector (12a) limits side
Boundary, and
Wherein, the part stretched into the recess (14) of the fixed contact therefor (12) has transverse to side
Opening (17) that is wall (16) extension and facing the side wall (16),
Characterized in that,
The side wall (16) is applied on the side (16a) of the recess (14) in the side wall (16)
Pressure (P) so that in side wall (16) the press-in opening (17), wherein, on the side (16a)
Recess (19) is formed in the side wall (16), and is passed through on the side (16b) for facing the recess (14)
Material extruding is constituted raised (18), and the projection (18) is stretched into the opening and fills the opening (17)
At least a portion.
2. according to the method described in claim 1, it is characterised in that
The opening (17) is designed as impenetrating mouth.
3. method according to claim 1 or 2, it is characterised in that
The part stretched into the recess (14) of the recess (14) and the fixed contact therefor (12) is constituted
Form fit formula is connected.
4. according to the method in any one of claims 1 to 3, it is characterised in that
The side wall (16) for good and all deforms by punching press cam (19a), wherein, the punching press cam (19a)
Longitudinal axis deformation when overlapped with the medial axis along the impenetrating mouth Longitudinal extending of the impenetrating mouth.
5. a kind of switch (1) with switch contact, the switch contact has moving contact part (11) and solid
Determine contact (12), wherein, the moving contact part (11) and fixed contact therefor (12) are in the switch (1)
Mutually reclined during closure,
Wherein, the fixed contact therefor (12) is fixedly placed on an end of connector (12a), institute
Stating an end has recess (14), and the fixed contact therefor (12) is inserted into the recess (14),
Wherein, another end of the connector (12a) is outwards guided, the company for the switch (1)
Connect,
Wherein, the side wall (16) that the recess (14) is made up of in side the connector (12a) limits side
Boundary, and
Wherein, the part stretched into the recess (14) of the fixed contact therefor (12) has transverse to side
Opening (17) that is wall (16) extension and facing the side wall (16),
Characterized in that,
There is recess (19) on the side (16a) of the recess (14) in the side wall (16), and
Face and there are raised (18) on the side (16b) of the recess (14), the projection (18) stretches into the opening
(17) at least a portion that is interior and filling the opening (17), wherein, the volume of the recess (19) and institute
The volume for stating raised (18) is equal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610166619.9A CN107221460B (en) | 2016-03-22 | 2016-03-22 | The method that connector is fixedly connected with fixed contact therefor and corresponding switch |
| DE102017203005.4A DE102017203005B4 (en) | 2016-03-22 | 2017-02-24 | Method for fixed connection of a fixed contact element to a connection element of a switch and corresponding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610166619.9A CN107221460B (en) | 2016-03-22 | 2016-03-22 | The method that connector is fixedly connected with fixed contact therefor and corresponding switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107221460A true CN107221460A (en) | 2017-09-29 |
| CN107221460B CN107221460B (en) | 2019-06-14 |
Family
ID=59814164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610166619.9A Active CN107221460B (en) | 2016-03-22 | 2016-03-22 | The method that connector is fixedly connected with fixed contact therefor and corresponding switch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107221460B (en) |
| DE (1) | DE102017203005B4 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4341931A (en) * | 1979-12-07 | 1982-07-27 | Paulve Marcel L A | Switching device comprising at least one contact member mounted pivotally about axis parallel to the axis of a casing, against the action of a leaf spring mounted in curved position between said casing and said member |
| CN201638695U (en) * | 2010-04-08 | 2010-11-17 | 李健全 | Conductive contact |
| CN202601431U (en) * | 2010-12-17 | 2012-12-12 | 施耐德电器工业公司 | Electrical switching device |
| CN103227077A (en) * | 2012-01-27 | 2013-07-31 | 德昌电机(深圳)有限公司 | Contact arrangement for high-power electrical switching devices |
| CN104377047A (en) * | 2014-12-01 | 2015-02-25 | 哈尔滨理工大学 | Electrical moving contact structure capable of automatically adjusting contact-surface angle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1269559A (en) | 1968-05-08 | 1972-04-06 | United Carr Inc | Method of forming an electrical contact |
| JPS54150678A (en) | 1978-05-19 | 1979-11-27 | Tetsuo Takano | Square electric contact |
| CN102856086B (en) | 2011-06-29 | 2015-04-29 | 西门子公司 | Switching device |
-
2016
- 2016-03-22 CN CN201610166619.9A patent/CN107221460B/en active Active
-
2017
- 2017-02-24 DE DE102017203005.4A patent/DE102017203005B4/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4341931A (en) * | 1979-12-07 | 1982-07-27 | Paulve Marcel L A | Switching device comprising at least one contact member mounted pivotally about axis parallel to the axis of a casing, against the action of a leaf spring mounted in curved position between said casing and said member |
| CN201638695U (en) * | 2010-04-08 | 2010-11-17 | 李健全 | Conductive contact |
| CN202601431U (en) * | 2010-12-17 | 2012-12-12 | 施耐德电器工业公司 | Electrical switching device |
| CN103227077A (en) * | 2012-01-27 | 2013-07-31 | 德昌电机(深圳)有限公司 | Contact arrangement for high-power electrical switching devices |
| CN104377047A (en) * | 2014-12-01 | 2015-02-25 | 哈尔滨理工大学 | Electrical moving contact structure capable of automatically adjusting contact-surface angle |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017203005A1 (en) | 2017-09-28 |
| CN107221460B (en) | 2019-06-14 |
| DE102017203005B4 (en) | 2022-10-06 |
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