CN202917403U - Assembly structure of movable contact of contactor - Google Patents
Assembly structure of movable contact of contactor Download PDFInfo
- Publication number
- CN202917403U CN202917403U CN201220469799.5U CN201220469799U CN202917403U CN 202917403 U CN202917403 U CN 202917403U CN 201220469799 U CN201220469799 U CN 201220469799U CN 202917403 U CN202917403 U CN 202917403U
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- contact
- supporter
- shaped spring
- contact bridge
- assembly structure
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Abstract
The utility model discloses an assembly structure of a movable contact of a contactor. The assembly structure of the movable contact of the contactor comprises a contact supporting part with a cavity body, a spring, a U-type spring supporting part, a sheet-shaped spring, a fixation shaft and double movable parallel contact bridges. The U-type spring supporting part extends into the cavity body from one end of the contact supporting part. Two side arms of the U-type spring supporting part extend out from the other end; a fixation beam is arranged at the middle part of the cavity body. The fixation beam passes through a U-type slot of the U-type spring supporting part. The spring is placed in the U-type slot. One end of the spring abuts against the bottom of the U-type slot, and the other end abuts against the fixation beam. Two contact bridges of double parallel contact bridges across the contact supporting part. The two contact bridges are placed side by side and can move up and down in the U-type slot. The fixation shaft is arranged on two side arms of the U-type spring supporting part. The sheet-shaped spring is arranged between the fixation shaft and double parallel contact bridges. The structure avoids the effect of temperature rise, improves the positioning effect, movement orientation and flexibility, improves the cushioning effect, and improves the service life of a product.
Description
Technical field
The present invention relates to the distribution field, in particular, relate to a kind of assembly structure of contactor moving contact.
Background technology
The large current specification A.C. contactor of tradition uses the two-in-parallel contact bridge, and touch spring is placed on above the contact bridge, in the product use procedure, be easy to cause touch spring directly to bear high temperature, thereby make touch spring that the annealing phenomenon occur, cause contact pressure to reduce, the main contact temperature rise is obviously risen.The main contact temperature rise is burnt main contact and continuous working of plastics, thereby is caused the life-span of A.C. contactor sharply to descend after rising.In addition, arranging of conventional AC contactor two-in-parallel contact bridge and subsidiary component thereof is reasonable not, and the effect that springs cooperates with the two-in-parallel contact bridge is always undesirable, the two-in-parallel contact bridge easily misplaces when motion, location and guidance quality are poor, move also dumb, and buffering effect is poor.
Summary of the invention
For the A.C. contactor that uses the two-in-parallel contact bridge, the utility model provides a kind of assembly structure of moving contact, avoid the temperature rise impact, improve locating effect, motion guide and the kinematic dexterity of two-in-parallel contact bridge, strengthen contact bridge buffering effect at the volley, improved life of product.
The purpose of this utility model is achieved through the following technical solutions:
A kind of assembly structure of contactor moving contact comprises contact supporter 300, spring 220, U-shaped spring supporter 200, springs 400, fixed axis 210 and movable two-in-parallel contact bridge; Contact supporter 300 is provided with a cavity that runs through 320, and described U-shaped spring supporter 200 stretches in the cavity 320 from an end of contact supporter 300, and two side arms 230 of U-shaped spring supporter 200 reach outside the contact supporter from the other end of contact supporter; Cavity 320 middle parts at contact supporter are provided with built-in beam 310, and described built-in beam 310 passes the U-shaped groove 250 of U-shaped spring supporter 200; Spring 220 is placed in the U-shaped groove 250 of U-shaped spring supporter 200, and an end of described spring 220 is against the U-shaped trench bottom of U-shaped spring supporter, and the other end is against the built-in beam 310 of contact supporter; The two-in-parallel contact bridge comprises two across between 100, two contact bridges 100 of the contact bridge on the contact supporter 300 are by two side arms 230 at U-shaped spring supporter placed side by side, and can move up and down in the U-shaped groove of U-shaped spring supporter; The two ends of fixed axis 210 are installed in respectively on two side arms 230 of U-shaped spring supporter, and springs 400 is located between fixed axis 210 and the two-in-parallel contact bridge.With said structure the spring supporter is arranged on contact supporter inside, can improves space availability ratio, the volume of reduction assembly structure.
Further, described springs 400 is H shape or X-shaped.
Further, described springs 400 comprises the carrier 410 with the fixed axis contact, and described springs 400 has the arch radian and caves at carrier 410.Further, the both sides of springs carrier 410 respectively are provided with two extensions 420, and described extension 420 tilts to extend toward the contact bridge direction, are provided with the parallel contact-making surface in contact bridge surface at the end with the contact bridge contact.
Further, the upper surface of described contact bridge 100 is with the contact of described springs, is provided with two grooves 120 at the upper surface of described contact bridge.
Further, each contact bridge 100 all has first side 111, and described the first side 111 contacts with other the first side 111 of a contact bridge, and convex closure 110 is located in corresponding being provided with on the first side 111 of two contact bridges.Each contact bridge 100 all has second side 131, and described the second side 131 contacts with U-shaped spring supporter 200, is provided with positioning and guiding groove 130 in described the second side 131, and the side arm 230 of U-shaped spring supporter inserts in the positioning and guiding groove 130.
Further, described fixed axis 210 is to be installed in the following manner on two side arms 230 of U-shaped spring supporter: two side arms 230 at U-shaped spring supporter are respectively equipped with the installing hole 231 that runs through, described fixed axis 210 axial walls are provided with the location notch 211 of two annulars to place the side arm of U-shaped spring supporter, between the end of location notch and fixed axis 210, be provided with top outer rim 212, the diameter of location notch bottom is less than the diameter of fixed axis, and the diameter of location notch bottom also is no more than the diameter of described installing hole.
Further, the U-shaped trench bottom of U-shaped spring supporter 200 is provided with fixing hole 241, in order to mounting spring.
The utility model is owing to having adopted the spring supporter, spring is not directly with the contact bridge contact, but with the spring support contact, then drive contact bridge by the spring supporter, the heat of contact bridge just is not easy to be transmitted on the spring like this, so that the temperature on the spring significantly reduces, avoid spring that the annealing phenomenon occurs, be that spring can effectively keep its elasticity, the pressure of keeping contact does not reduce, make the binding post temperature rise of main contact more stable, so just solved the problem that reduces to cause the rising of main contact temperature because of pressure, the useful life of having improved contactor and assembly structure thereof.
Further, by Novel sheet spring, reasonable Arrangement two-in-parallel contact bridge, make springs can better cooperate contact bridge, improve the locating effect of two-in-parallel contact bridge, springs, and improved the buffering effect of contact bridge in motion process.
Further, the guidance quality of two-in-parallel contact bridge of the present utility model when motion is good, and the motion of contact bridge is more flexible.
Description of drawings
Fig. 1 is the schematic perspective view of the assembly structure of the moving contact of A.C. contactor among embodiment of the utility model;
Fig. 2 is the floor map of the assembly structure of A.C. contactor among embodiment of the utility model;
Fig. 3 is the U-shaped spring supporter schematic diagram of an embodiment of the utility model;
Fig. 4 is the fixed axis schematic diagram of an embodiment of the utility model;
Fig. 5 is the springs schematic perspective view of an embodiment of the utility model;
Fig. 6 is the springs floor map of an embodiment of the utility model;
Fig. 7 is the contact bridge schematic perspective view of an embodiment of the utility model;
Fig. 8 is the contact bridge floor map of an embodiment of the utility model;
Fig. 9 is the spring schematic diagram of an embodiment of the utility model;
Embodiment
The utility model discloses the assembly structure of a kind of contactor and moving contact thereof.The assembly structure of described contactor comprises contact supporter 300, spring 220, U-shaped spring supporter 200, springs 400, fixed axis 210 and movable two-in-parallel contact bridge, spring supporter one end is with the contact of two-in-parallel contact bridge, the other end is with spring contact, and spring drives the contact bridge motion by the spring supporter.
The concrete structure of moving contact as shown in Figure 1 and Figure 2, contact supporter 300 is provided with a cavity that runs through 320, described U-shaped spring supporter 200 stretches in the cavity 320 from an end of contact supporter 300, and two side arms 230 of U-shaped spring supporter 200 reach outside the contact supporter from the other end of contact supporter.Such as Fig. 2, shown in Figure 3, be provided with built-in beam 310 at cavity 320 middle parts of contact supporter, described built-in beam 310 passes the U-shaped groove 250 of U-shaped spring supporter 200.Spring 220 is placed in the U-shaped groove 250 of U-shaped spring supporter 200, and an end of described spring 220 is against on the U-shaped trench bottom inner surface of U-shaped spring supporter, and the other end is against on the built-in beam 310 of contact supporter.The two-in-parallel contact bridge comprises two across the contact bridge 100 on contact supporter 300, two contact bridge 100 1 the first from left right by placed side by side between two side arms 230 of U-shaped spring supporter, and two contact bridges 100 placed side by side can move up and down in the U-shaped groove of U-shaped spring supporter; The bottom surface of contact bridge 100 can contact with contact supporter 300, and the lower end face of contact bridge 100 can contact with springs 400.The two ends of fixed axis 210 are installed in respectively on two side arms 230 of U-shaped spring supporter, and springs 400 is located between fixed axis 210 and the two-in-parallel contact bridge.
The utility model is owing to having adopted the spring supporter, spring is not directly with the contact bridge contact, but with the spring support contact, then drive contact bridge by the spring supporter, the heat of contact bridge just is not easy to be transmitted on the spring like this, so that the temperature on the spring significantly reduces, avoid spring that the annealing phenomenon occurs, be that spring can effectively keep its elasticity, the pressure of keeping contact does not reduce, make the binding post temperature rise of main contact more stable, so just solved the problem that reduces to cause the rising of main contact temperature because of pressure, the useful life of having improved contactor and assembly structure thereof.Further, the layout between spring of the present invention, two contact bridges, the spring supporter is more reasonable, assembles conveniently, improves space availability ratio, the volume of reduction assembly structure, and the motion that makes moving contact flexibility and reliability more.
U-shaped spring supporter 200 as shown in Figure 3 comprises that an intercell connector 240 and two are that be oppositely arranged, minute is listed in the support bar 230 of described built-in beam both sides, article two, support bar 230 is the two side arms of U-shaped spring supporter 200, one end of two side arms is fixedly connected with by intercell connector 240, the other end is provided with installing hole 231, described installing hole 231 can be through hole, also can be blind hole, the two side arms 230 of U-shaped spring supporter 200 surrounds U-shaped groove 250 with the intercell connector 240 of bottom.As preferred version, be provided with fixing hole 241 with spring contact with fixing spring 220 at the intercell connector 240 of the U-shaped trench bottom of U-shaped spring supporter 200; Fixing hole 241 can be through hole, also can blind hole.
Be provided with fixed axis 210(between the two side arms of U-shaped spring supporter 200 referring to Fig. 1,2), the fixed axis two ends are fixed by installing hole.
The spring supporter is arranged on contact supporter inside, can improves space availability ratio, the volume of reduction assembly structure.But be provided with the built-in beam of fixing spring in the contact supporter, can have taken certain inner space, adopt the form of support bar to dodge well, built-in beam just can not have influence on the spring supporter in the motion of contact supporter inside.
In the above-described embodiments, be provided with springs between fixed axis and the contact bridge, fixed axis drives contact bridge by springs.Fixed axis is connected with contact bridge and is connected by springs, when contact bridge bounces back under spring action, can clash into contact supporter, and the impulsive force of generation cushions by springs, reduces fixed axis and the suffered impact of contactor, improves useful life.
Described springs 400 can be the springs with arch radian, but preferred mode as shown in Figure 2, springs 400 comprises the carrier 410 with fixed axis contact, and described springs 400 has the arch radian, and at the carrier 410 of springs 400 with a depression.Indent in the middle of the springs structure has larger contact area with fixed axis, reduces pressure, is conducive to further to promote the be hit ability of power of rigid bearing; Outward extending extension provides enough deformation ranges when springs is received stress, to improve buffer capacity; Can increase springs with the contact area of contact bridge with the parallel contact-making surface in contact bridge surface, reduce pressure, be conducive to further to promote the withstand shocks ability of power of contact bridge.
Fig. 5,6 provides a kind of springs preferred embodiment: springs 400 as shown in Figure 5 is H shape, and described springs 400 also can be X-shaped.The carrier 410 of springs 400 contacts with fixed axis, carrier 410 both sides respectively are provided with two extensions 420, extension 420 tilts to extend toward the contact bridge direction, and carrier 410 is provided with the parallel contact-making surface 421 in contact bridge surface at the end with the contact bridge contact.Accordingly, shown in Fig. 7,8, contact bridge 100 is provided with groove 120 at springs contact-making surface correspondence position, and namely the upper surface of described contact bridge 100 is with the contact of described springs, is provided with two grooves 120 at the upper surface of described contact bridge.Groove 120 can limit springs in the position on contact bridge surface, also just defines conversely the in the horizontal direction position of (perpendicular to the contact bridge direction of motion) of contact bridge.This Novel sheet spring designs for two-in-parallel contact bridge described in the utility model, locating effect to the two-in-parallel contact bridge is excellent, more stable active force is provided for the two-in-parallel contact bridge, and in the motion process of contact bridge, better plays cushioning effect.The assembling of contact bridge, springs is simple, the location that utilizes very short installation time just can guarantee contact bridge, springs.
The two-in-parallel contact bridge has a variety of modes of emplacements, two-in-parallel contact bridge described in the utility model comprises two contact bridges placed side by side 100 at least, in order to make these two two-in-parallels placed side by side touch the bridge activity more accurately, flexibly, contact bridge of the present utility model preferably adopts following preferred embodiment: each contact bridge 100 all has first side 111, described the first side 111 contacts with other the first side 111 of a contact bridge, and convex closure 110 is located in corresponding being provided with on the first side 111 of two contact bridges.Each contact bridge 100 all has second side 131, and described the second side 131 contacts with U-shaped spring supporter 200, is provided with positioning and guiding groove 130 in described the second side 131, and the side arm 230 of U-shaped spring supporter inserts in the positioning and guiding groove 130.The utility model adopts the two-in-parallel contact bridge of said structure, makes the activity of contact bridge more flexible, and can lead when contact bridge moves.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. the assembly structure of a contactor moving contact comprises contact supporter (300), spring (220), U-shaped spring supporter (200), springs (400), fixed axis (210) and movable two-in-parallel contact bridge; It is characterized in that:
Contact supporter (300) is provided with a cavity that runs through (320), described U-shaped spring supporter (200) stretches in the cavity (320) from an end of contact supporter (300), and two side arms (230) of U-shaped spring supporter (200) reach outside the contact supporter from the other end of contact supporter;
Cavity (320) middle part at contact supporter is provided with built-in beam (310), and described built-in beam (310) passes the U-shaped groove (250) of U-shaped spring supporter (200);
Spring (220) is placed in the U-shaped groove (250) of U-shaped spring supporter (200), and an end of described spring (220) is against the U-shaped trench bottom of U-shaped spring supporter, and the other end is against the built-in beam (310) of contact supporter;
The two-in-parallel contact bridge comprises two across the contact bridge (100) on contact supporter (300), two contact bridges (100), and can be moved up and down in the U-shaped groove of U-shaped spring supporter between two side arms (230) of U-shaped spring supporter by placed side by side; The two ends of fixed axis (210) are installed in respectively on two side arms (230) of U-shaped spring supporter, and springs (400) is located between fixed axis (210) and the two-in-parallel contact bridge.
2. the assembly structure of contactor moving contact according to claim 1, it is characterized in that: described springs (400) is H shape or X-shaped.
3. the assembly structure of a kind of contactor moving contact according to claim 2, it is characterized in that, described springs (400) comprises that described springs (400) has the arch radian and caves at carrier (410) with the carrier (410) of fixed axis contact.
4. according to claim 1 and 2 or the assembly structure of 3 described contactor moving contacts, it is characterized in that: the both sides of springs carrier (410) respectively are provided with two extensions (420), described extension (420) tilts to extend toward the contact bridge direction, is provided with the parallel contact-making surface in contact bridge surface at the end with the contact bridge contact.
5. the assembly structure of a kind of contactor moving contact according to claim 4 is characterized in that, the upper surface of described contact bridge (100) is with the contact of described springs, is provided with two grooves (120) at the upper surface of described contact bridge.
6. the assembly structure of a kind of contactor moving contact as claimed in claim 1, it is characterized in that: each contact bridge (100) all has first side (111), described the first side (111) contacts with other first side (111) of a contact bridge, and convex closure (110) is located in upper corresponding being provided with in first side (111) of two contact bridges.
7. the assembly structure of a kind of contactor moving contact as claimed in claim 1, it is characterized in that: each contact bridge (100) all has second side (131), described the second side (131) contacts with U-shaped spring supporter (200), be provided with positioning and guiding groove (130) in described the second side (131), the side arm of U-shaped spring supporter (230) inserts in the positioning and guiding groove (130).
8. the assembly structure of contactor moving contact according to claim 1, it is characterized in that: described fixed axis (210) is to be installed in the following manner on two side arms (230) of U-shaped spring supporter: two side arms (230) at U-shaped spring supporter are respectively equipped with the installing hole (231) that runs through, the axial wall of described fixed axis (210) is provided with the location notch (211) of two annulars to place the side arm of U-shaped spring supporter, between the end of location notch and fixed axis (210), be provided with top outer rim (212), the diameter of location notch bottom is less than the diameter of fixed axis, and the diameter of location notch bottom also is no more than the diameter of described installing hole.
9. the assembly structure of contactor moving contact according to claim 1, it is characterized in that: the U-shaped trench bottom of U-shaped spring supporter (200) is provided with fixing hole (241).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220469799.5U CN202917403U (en) | 2012-09-16 | 2012-09-16 | Assembly structure of movable contact of contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220469799.5U CN202917403U (en) | 2012-09-16 | 2012-09-16 | Assembly structure of movable contact of contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202917403U true CN202917403U (en) | 2013-05-01 |
Family
ID=48165690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220469799.5U Expired - Lifetime CN202917403U (en) | 2012-09-16 | 2012-09-16 | Assembly structure of movable contact of contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202917403U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2779190A1 (en) | 2013-03-15 | 2014-09-17 | Schneider Electric Industries SAS | Individual switching block and switching device comprising at least one such block |
| CN104576222A (en) * | 2015-01-28 | 2015-04-29 | 乐清市长征电器开关厂 | Contact mechanism of alternating-current contactor |
| CN107910228A (en) * | 2015-12-22 | 2018-04-13 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay |
-
2012
- 2012-09-16 CN CN201220469799.5U patent/CN202917403U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2779190A1 (en) | 2013-03-15 | 2014-09-17 | Schneider Electric Industries SAS | Individual switching block and switching device comprising at least one such block |
| CN104576222A (en) * | 2015-01-28 | 2015-04-29 | 乐清市长征电器开关厂 | Contact mechanism of alternating-current contactor |
| CN104576222B (en) * | 2015-01-28 | 2017-02-22 | 乐清市长征电器开关厂 | Contact mechanism of alternating-current contactor |
| CN107910228A (en) * | 2015-12-22 | 2018-04-13 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay |
| CN107910228B (en) * | 2015-12-22 | 2019-09-10 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |