CN2658930Y - Quick connection electro magnetic relay with L-shaped movable contact spring piece and static contact spring piece - Google Patents
Quick connection electro magnetic relay with L-shaped movable contact spring piece and static contact spring piece Download PDFInfo
- Publication number
- CN2658930Y CN2658930Y CN 03204898 CN03204898U CN2658930Y CN 2658930 Y CN2658930 Y CN 2658930Y CN 03204898 CN03204898 CN 03204898 CN 03204898 U CN03204898 U CN 03204898U CN 2658930 Y CN2658930 Y CN 2658930Y
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- contact spring
- base
- spring piece
- lead
- moving spring
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Abstract
This utility model relates to a mini-electromagnetic relay of low-height and high-power, with quick connection of an L-shaped lead-out moving spring and an L-shaped static spring. This device comprises a magnetic circuit system, a contacting system, and a base. The contacting system is provided with a moving spring, a lead-out moving spring, static spring, and a lead-out static spring, wherein, the lead-out moving spring and the static spring are of ''L'' shape, which are fastened to the slot equipped in the base. Height of the relay can be lowered to maximum, and load current can be led out either from a printed plate or an external QC terminal. After connection of the foot of the QC terminal with the side of the housing, the whole relay is of a horizontal structure with small volume and dimension. Containment of the magnetic circuit within the one-way slot on the base can effectively improve insulating property, which is an increase of electric distance, creepage distance, penetrating insulation distance, and isolation of input and output terminals from other media, enhancing pressure resistance.
Description
(1) technical field
The utility model relates to a kind of electromagnetic relay, and especially a kind of L shaped moving spring lead-out tablet of being with that is mainly the small-sized high-power of low clearance is connected electromagnetic relay soon with L shaped static contact spring piece.
(2) background technology
Electromagnetic relay extensively applies in the various electromechanical equipments as a kind of electromechanical compo.Existing conventional small-sized high-power alternating current electromagnetic relay generally comprises coil, coil exit, iron core, yoke, armature, spring, pushing block, movable contact spring, static contact spring piece, contact, base, shell.Wherein coil generally adopts the formal dress mode, iron core adopts riveting to be connected with yoke, leading foot generally adopts the PCB mode, the QC of employing connected mode is perhaps arranged, but the short transverse size of product is bigger, and the isolation between coil and contact is also lower, and dielectric withstanding voltage is not high, the high energy of the product of transfer contact type generally speaking reaches 3000Va.c., and normally opened contact type product also can only reach 4000Va.c..This just causes requiring installing space little and input, output isolation height, adopting the occasion of fast connected mode, and this series products can't satisfy instructions for use.The CN2472340Y patent disclosure a kind of small-sized high-power sensitive-type direct current electromagnetic relay of Very Low Clearance, mainly form by contact system, magnetic circuit system, base and shell.Contact system comprises static contact spring piece, U-shaped movable contact spring, and inserts in the base by the guide groove on the base, and the U-shaped press-bending position of movable contact spring is inserted the base guide groove and fixed.Magnetic circuit system is packed in the cavity on the base, locatees in the base guide groove, and some glue is fixed.
(3) summary of the invention
The purpose of this utility model is to provide a kind of low clearance, simple in structure, assembling, good manufacturability, and the L shaped moving spring lead-out tablet of small-sized high-power band that can carry out streamline production in batches is connected electromagnetic relay soon with L shaped static contact spring piece.
Another purpose of the utility model is to provide a kind of high performance, and input, the output dielectric withstanding voltage is more than the 5000Va.c., and its P/C is than being connected electromagnetic relay soon with low clearance that performance/volume ratio all is better than existing like product.
The utility model comprises magnetic circuit system, contact system and base, and contact system is provided with movable contact spring, moving spring lead-out tablet, static contact spring piece and quiet spring lead-out tablet etc., and it is L shaped that said moving spring lead-out tablet and static contact spring piece are, and base is provided with corresponding card holding trough.Moving spring lead-out tablet and static contact spring piece are installed in the card holding trough of base.And on base, be provided with the insulation division board, adopt direct insertion assembling.
The fast connecting pin of QC of the present utility model is drawn from the shell side, and the respective outer side edges of QC leading foot and shell, base can seal by resin glue, thereby obtains the relay of plastic packaging type.
The utility model is applicable to the electromagnetic relay of normally opened contact type and normally-closed contact type structure.
Compare with existing roughly the same functional product, structure of the present utility model can reduce the height dimension of relay to greatest extent, product height in the past is generally about 30mm, and product height of the present utility model is about 16mm, and it can satisfy the more and more littler development trend of machine volume.The level of product before simultaneously, load capacity of the present utility model still can reach.And can draw the control load electric current from printed board, also can draw Control current by external QC terminal.
After the fast connecting pin of its QC of the utility model was drawn from the shell side, whole relay adopted horizontal type structure, and volume size is less.The unidirectional open slot of base can improve insulation property after containing the magnetic circuit part effectively, promptly increases electrical distance, creepage distance, penetrates insulation distance, improves the isolation of input, output, thereby reaches the purpose that improves dielectric withstanding voltage.
(4) description of drawings
Fig. 1 is the utility model normally opened contact type structural representation.
Fig. 2 is the utility model normally-closed contact type structural representation.
Fig. 3 is the utility model normally opened contact type assembly structure schematic diagram.
Fig. 4 is the utility model normally-closed contact type assembly structure schematic diagram.
Fig. 5 is the structural representation of the utility model normally opened contact type base.
Fig. 6 is the structural representation of the utility model normally-closed contact type base.
(5) embodiment
As Fig. 1, shown in 3, the utility model comprises magnetic circuit system 0, contact system 1 and base 2, is provided with movable contact spring 4, moving spring lead-out tablet 3, static contact spring piece 6 and quiet spring lead-out tablet 8 etc. for the contact system of normally opened contact type structure, and said moving spring lead-out tablet and static contact spring piece are L shaped.As Fig. 2, shown in 4, be provided with movable contact spring 9, moving spring lead-out tablet 10, static contact spring piece 11 and quiet spring lead-out tablet 12 etc. for the contact system of normally-closed contact type structure, said moving spring lead-out tablet and static contact spring piece are L shaped.Referring to Fig. 5, base is provided with corresponding card holding trough.Moving spring lead-out tablet and static contact spring piece are installed in the card holding trough of base.And on base, be provided with insulation division board 5, adopt direct insertion assembling.In like manner, referring to Fig. 6, for also being provided with insulation division board 7 on the normally-closed contact type base.
The utility model is applicable to the electromagnetic relay of normally opened contact type and normally-closed contact type structure.
Claims (3)
1, L shaped moving spring lead-out tablet is connected electromagnetic relay soon with static contact spring piece, comprise magnetic circuit system, contact system and base, contact system is provided with movable contact spring, moving spring lead-out tablet, static contact spring piece and quiet spring lead-out tablet, it is characterized in that said moving spring lead-out tablet and static contact spring piece are L shaped, base is provided with corresponding card holding trough, and moving spring lead-out tablet and static contact spring piece are installed in the card holding trough of base.
2, L shaped moving spring lead-out tablet as claimed in claim 1 is connected electromagnetic relay soon with static contact spring piece, it is characterized in that being provided with on base the insulation division board.
3, L shaped moving spring lead-out tablet as claimed in claim 1 is connected electromagnetic relay soon with static contact spring piece, it is characterized in that the fast connecting pin of QC draws from the shell side, and the respective outer side edges of QC leading foot and shell, base is sealed by resin glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03204898 CN2658930Y (en) | 2003-08-15 | 2003-08-15 | Quick connection electro magnetic relay with L-shaped movable contact spring piece and static contact spring piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03204898 CN2658930Y (en) | 2003-08-15 | 2003-08-15 | Quick connection electro magnetic relay with L-shaped movable contact spring piece and static contact spring piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2658930Y true CN2658930Y (en) | 2004-11-24 |
Family
ID=34324233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03204898 Expired - Lifetime CN2658930Y (en) | 2003-08-15 | 2003-08-15 | Quick connection electro magnetic relay with L-shaped movable contact spring piece and static contact spring piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2658930Y (en) |
-
2003
- 2003-08-15 CN CN 03204898 patent/CN2658930Y/en not_active Expired - Lifetime
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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 |
Effective date of abandoning: 20051116 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |