CN203931955U - A kind of movable contact bridge and apply the contactor of this movable contact bridge - Google Patents
A kind of movable contact bridge and apply the contactor of this movable contact bridge Download PDFInfo
- Publication number
- CN203931955U CN203931955U CN201420333620.2U CN201420333620U CN203931955U CN 203931955 U CN203931955 U CN 203931955U CN 201420333620 U CN201420333620 U CN 201420333620U CN 203931955 U CN203931955 U CN 203931955U
- Authority
- CN
- China
- Prior art keywords
- copper sheet
- movable contact
- contact
- guiding frame
- magnetic guiding
- 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.)
- Withdrawn - After Issue
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
A kind of movable contact bridge and apply the contactor of this movable contact bridge.The copper sheet side less with contact area that mainly solves present movable contact bridge is connected, thereby makes current density too high, therefore can produce a large amount of heat, easily makes contact melting welding, burns, and occurs dangerous problem; And because copper sheet is external, striking weak effect.It is characterized in that: in described magnetic guiding frame (1), be connected with copper sheet (2), end face (32) welding of the bottom end face of described copper sheet (2) and described contact (3), described contact (3) are passed magnetic guiding frame (1) bottom and are communicated with the external world.The utility model provides a kind of movable contact bridge, after its contact and copper sheet welding, then copper sheet is installed in magnetic guiding frame, its contact passes from magnetic guiding frame bottom, due to the contact end face larger with the contact area of copper sheet be connected and the resistance of copper sheet lower, temperature rise is lower, can scorification copper sheet, safe and reliable; And because copper sheet is built-in, strengthened the magnetic field in contact system, striking effect is stronger.
Description
Technical field
The utility model belongs to Low Voltage Electrical Apparatus, particularly a kind of movable contact bridge and apply the contactor of this movable contact bridge.
Background technology
Movable contact bridge is the accessory of contactor, the contact of movable contact bridge is welded on magnetic conductive board bottom mostly now, then the two ends of copper sheet are contacted to use with the contact of both sides, such structure is due to magnetic conductive board too high in resistance, copper sheet and contact contact area are less, thereby make current density too high, therefore can produce a large amount of heat, easily make contact melting welding, burn, occur dangerous.
Utility model content
In order to overcome the deficiency of background technology, the utility model provides movable contact bridge, and the copper sheet side less with contact area that mainly solves present movable contact bridge is connected, thereby make current density too high, therefore can produce a large amount of heat, easily make contact melting welding, burn, occur dangerous problem; And because copper sheet is external, striking weak effect.
The technical scheme that the utility model adopts is:
A kind of movable contact bridge, comprise magnetic guiding frame, copper sheet and contact, described contact comprises end face and the less side of area that area is larger, in described magnetic guiding frame, is connected with copper sheet, the bottom end face of described copper sheet and the welding of the end face of described contact, described contact is passed magnetic guiding frame bottom and is communicated with the external world.
Described copper sheet and magnetic guiding frame removably connect.
Described copper sheet comprises the boss that extend at base and base two ends, on described boss, is connected with contact; Described magnetic guiding frame two bottom sides is provided with and the adaptive groove that forms matched in clearance of boss, described base and magnetic guiding frame bottom top interference fit.
Described magnetic guiding frame comprises connecting portion and the larger installation portion of both sides width that intermediate width is less, and described groove is located at described installation portion center, the width of described base and connecting portion inwall matched in clearance.
The height of described boss is identical with the degree of depth of groove.
Described contact is silver contact.
Described magnetic guiding frame comprises that magnetic guiding frame sidewall and base plate form and leads arc angle, described in lead arc angle angle be 80 ~ 90 °.
The described angle of leading arc angle be 85 °.
A kind of contactor, in described contactor, be provided with contact mechanism, tripping mechanism, arc-extinguishing mechanism, described contact mechanism comprises movable contact bridge installing rack and the movable contact bridge of the above, described movable contact bridge mount pad comprises axostylus axostyle, between described axostylus axostyle and movable contact bridge, be provided with spring leaf, described spring leaf is pressed on described copper sheet.
The beneficial effects of the utility model are: the utility model provides a kind of movable contact bridge, after its contact and copper sheet welding, then copper sheet is installed in magnetic guiding frame, its contact passes from magnetic guiding frame bottom, due to the contact end face larger with the contact area of copper sheet be connected and the resistance of copper sheet lower, temperature rise is lower, can scorification copper sheet, safe and reliable; And because copper sheet is built-in, strengthened the magnetic field in contact system, striking effect is stronger.
Brief description of the drawings
Fig. 1 is the explosive view of an embodiment of the utility model.
Fig. 2 is the schematic diagram of the magnetic guiding frame of an embodiment of the utility model.
Fig. 3 is the copper sheet schematic diagram of an embodiment of the utility model.
Fig. 4 is the scheme of installation of an embodiment of the utility model.
Fig. 5 is Fig. 4 AA place cutaway view of an embodiment of the utility model.
Fig. 6 is the contact schematic diagram of an embodiment of the utility model.
Fig. 7 is the schematic diagram of an embodiment of the utility model.
In figure, magnetic guiding frame 1, copper sheet 2, contact 3, side 31, end face 32, boss 22, groove 11, installation portion 15, connecting portion 14, leads arc angle 13, base 21.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail: if Fig. 1 is in conjunction with as shown in Fig. 2 to Fig. 7, a kind of movable contact bridge, comprise magnetic guiding frame 1, copper sheet 2 and contact 3, described contact 3 comprises end face 32 and the less side 31 of area that area is larger, in described magnetic guiding frame 1, be connected with copper sheet 2, the end face 32 of the bottom end face of described copper sheet 2 and described contact 3 welds, and described contact 3 is passed magnetic guiding frame 1 bottom and communicates with the external world.The utility model provides a kind of movable contact bridge, after its contact and copper sheet welding, then copper sheet is installed in magnetic guiding frame, its contact passes from magnetic guiding frame bottom, due to the side larger with the contact area of copper sheet, contact be connected and the resistance of copper sheet lower, temperature rise is lower, can scorification copper sheet, safe and reliable; And because copper sheet is built-in, strengthened the magnetic field in contact system, striking effect is stronger.
In the utility model, as shown in the figure, described copper sheet 2 removably connects with magnetic guiding frame 1.Copper sheet can reclaim use, avoids waste.
In the utility model, as shown in the figure, described copper sheet 2 comprises the boss 22 that extend at base 21 and base 21 two ends, on described boss 22, is connected with contact 3; Described magnetic guiding frame 1 two bottom sides is provided with and the adaptive groove 11 that forms matched in clearance of boss 22, described base 21 and magnetic guiding frame 1 top, bottom interference fit.Copper coin embeds in magnetic guiding frame, avoids copper piece melts, improves the reliability of product, and useful life.
In the utility model, as shown in the figure, described magnetic guiding frame 1 comprises connecting portion 14 and the larger installation portion 15 of both sides width that intermediate width is less, and described groove 11 is located at described installation portion 15 centers, the width of described base 21 and connecting portion 14 inwall matched in clearance.Copper sheet when mounted, can be loaded into easily, can not interfere with magnetic guiding frame 1 inwall, and compact conformation, easy for installation.
In the utility model, as shown in the figure, the height of described boss 22 is identical with the degree of depth of groove 11.Can make naked go out part entirely for contact, performance is better, easy to use.
In the utility model, as shown in the figure, described contact 3 is silver contact.Adopt silver contact to strengthen the frequency of utilization of conductor, increased contact effect, increased the performance of conductor, can prevent contact oxidation simultaneously.
In the utility model, described magnetic guiding frame 1 comprises that magnetic guiding frame 1 sidewall and base plate form and leads arc angle 13 as shown in the figure, described in lead arc angle 13 angle be 80 ~ 90 °.When leading arc angle and being 80 ~ 90 °, can effectively reduce the arcing time between contact.Preferably, lead arc angle 13 angle be 85 ° time, can make the arcing time between maximized reduction contact.
In the utility model, as shown in the figure, a kind of contactor, in described contactor, be provided with contact mechanism, tripping mechanism, arc-extinguishing mechanism, described contact mechanism comprises movable contact bridge installing rack 6 and movable contact bridge 5 as above, described movable contact bridge mount pad 6 comprises axostylus axostyle 61, between described axostylus axostyle 61 and movable contact bridge 5, is provided with spring leaf 7, and described spring leaf 7 is pressed on described copper sheet 2.
Embodiment should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection range of the present utility model.
Claims (9)
1. a movable contact bridge, comprise magnetic guiding frame (1), copper sheet (2) and contact (3), described contact (3) comprises the end face that area is larger (32) and the less side (31) of area, it is characterized in that: in described magnetic guiding frame (1), be connected with copper sheet (2), end face (32) welding of the bottom end face of described copper sheet (2) and described contact (3), described contact (3) are passed magnetic guiding frame (1) bottom and are communicated with the external world.
2. a kind of movable contact bridge according to claim 1, is characterized in that: described copper sheet (2) removably connects with magnetic guiding frame (1).
3. a kind of movable contact bridge according to claim 1 and 2, is characterized in that: described copper sheet (2) comprises the boss (22) that extend at base (21) and base (21) two ends, is connected with contact (3) on described boss (22); Described magnetic guiding frame (1) two bottom sides is provided with and the adaptive groove (11) that forms matched in clearance of boss (22), described base (21) and magnetic guiding frame (1) bottom top interference fit.
4. a kind of movable contact bridge according to claim 3, it is characterized in that: described magnetic guiding frame (1) comprises the connecting portion that intermediate width is less (14) and the larger installation portion (15) of both sides width, described groove (11) is located at described installation portion (15) center, the width of described base (21) and connecting portion (14) inwall matched in clearance.
5. a kind of movable contact bridge according to claim 3, is characterized in that: the height of described boss (22) is identical with the degree of depth of groove (11).
6. a kind of movable contact bridge according to claim 5, is characterized in that: described contact (3) are silver contact.
7. a kind of movable contact bridge according to claim 6, is characterized in that: described magnetic guiding frame (1) comprises that magnetic guiding frame (1) sidewall and base plate form and lead arc angle (13), described in lead arc angle (13) angle be 80 ~ 90 °.
8. a kind of movable contact bridge according to claim 7, is characterized in that: described in lead arc angle (13) angle be 85 °.
9. a contactor, in described contactor, be provided with contact mechanism, tripping mechanism, arc-extinguishing mechanism, it is characterized in that: described contact mechanism comprises movable contact bridge installing rack (6) and movable contact bridge as claimed in claim 1 (5), described movable contact bridge mount pad (6) comprises axostylus axostyle (61), between described axostylus axostyle (61) and movable contact bridge (5), be provided with spring leaf (7), described spring leaf (7) is pressed on described copper sheet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420333620.2U CN203931955U (en) | 2014-06-23 | 2014-06-23 | A kind of movable contact bridge and apply the contactor of this movable contact bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420333620.2U CN203931955U (en) | 2014-06-23 | 2014-06-23 | A kind of movable contact bridge and apply the contactor of this movable contact bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203931955U true CN203931955U (en) | 2014-11-05 |
Family
ID=51827726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420333620.2U Withdrawn - After Issue CN203931955U (en) | 2014-06-23 | 2014-06-23 | A kind of movable contact bridge and apply the contactor of this movable contact bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203931955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143477A (en) * | 2014-06-23 | 2014-11-12 | 浙江天正电气股份有限公司 | Moving contact bridge and contactor with same |
| CN112542331A (en) * | 2020-11-30 | 2021-03-23 | 武汉同力同为科技有限公司 | Movable contact bridge retaining structure of short-circuit resistance improving switch device |
-
2014
- 2014-06-23 CN CN201420333620.2U patent/CN203931955U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143477A (en) * | 2014-06-23 | 2014-11-12 | 浙江天正电气股份有限公司 | Moving contact bridge and contactor with same |
| CN104143477B (en) * | 2014-06-23 | 2016-03-02 | 浙江天正电气股份有限公司 | A kind of dynamic contactor touching bridge and apply this dynamic tactile bridge |
| CN112542331A (en) * | 2020-11-30 | 2021-03-23 | 武汉同力同为科技有限公司 | Movable contact bridge retaining structure of short-circuit resistance improving switch device |
| CN112542331B (en) * | 2020-11-30 | 2024-02-23 | 武汉同力同为科技有限公司 | Movable contact bridge retaining structure of short-circuit resistance lifting switch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |