CN203434094U - Miniature electromagnetic relay with high sensitivity - Google Patents
Miniature electromagnetic relay with high sensitivity Download PDFInfo
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- CN203434094U CN203434094U CN201320398246.XU CN201320398246U CN203434094U CN 203434094 U CN203434094 U CN 203434094U CN 201320398246 U CN201320398246 U CN 201320398246U CN 203434094 U CN203434094 U CN 203434094U
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- push
- armature
- contact jaw
- rod frame
- moving spring
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Abstract
The utility model relates to an electromagnetic relay, specifically relates to a miniature electromagnetic relay with high sensitivity and belongs to the technical field of electrical equipment. The miniature electromagnetic relay with high sensitivity comprises a pedestal, a push rod, a coil, an iron core, an armature, a yoke, a dynamic reed set and a static reed set. With the special arrangement of the structures of the armature, the push rod, the dynamic reed set and the static reed set, the product size is effectively reduced, the miniature electromagnetic relay is suitable for miniature assembling, the sensitivity and the stability of product motions under the on-off condition are improved, the product quality is improved, and the service life is prolonged.
Description
Technical field
The utility model relates to a kind of electromagnetic relay, is specifically related to a kind of highly sensitive miniature electro-magnetic relay, belongs to electrical product technical field.
Background technology
Contact system common in electromagnetic relay can be classified as three classes, that is: the direct traction type of armature, push rod (sheet) driving, also make deflection formula and reed open in advance formula.
The contact system structure of the direct traction type of armature is the simplest, cost is minimum, easily produces contact bouncing, thereby greatly reduce contact endurance when disadvantage is contacting; Push rod driving contact system has overcome the shortcoming of the direct traction type contact system of armature to a great extent, contacts reliablely, and the life-span is longer, and shortcoming is that structure is slightly more complex; The advantage that reed is opened formula contact system is in advance, contact force is not subject to the impact of armature position, and consistency is better, allow contact to have compared with large tracking and pressure does not increase, in addition also have larger contact breakaway, when contact slightly bonds, can not cause inefficacy, shortcoming is that structure is more complicated than push-down.
The contact system being most widely used in miniature relay is at present push rod driving contact system, but in actual production and use procedure, the pusher structure of push-down contact system is comparatively complicated, not only strengthened small product size, and due to complex structure, along with putting off of service time, the damage of partial component or inefficacy, cause stability and the useful life of product to reduce, production technology is comparatively complicated in addition, and production cost is relatively high.
Summary of the invention
The deficiency existing for prior art, the utility model provides a kind of highly sensitive miniature electro-magnetic relay, have that volume is little, contact system highly sensitive, the features such as long service life.
For achieving the above object, the utility model provides following technical scheme: described a kind of highly sensitive miniature electro-magnetic relay, comprise pedestal, push rod, coil, iron core, armature, yoke, moving spring group and quiet spring group, its contact system adopts push rod driving, described push rod adopts integrative-structure, by push-rod frame, armature contact jaw, moving spring contact jaw, dumbbell shape base and guide vane end stop form, wherein push-rod frame is rectangular configuration, armature contact jaw is located at the left side at push-rod frame middle part, moving spring contact jaw is located at the right side of push-rod frame middle and upper part, armature contact jaw and moving spring contact jaw all adopt trapezium structure, from the outside thickness of push-rod frame, narrow down gradually, outermost end adopts hemisphere face structure, wherein the hemisphere face of armature contact jaw contacts with armature, the hemisphere face of moving spring contact jaw contacts with movable contact spring, push-rod frame top arranges a rectangle guide vane end stop on right side, can protect preferably movable contact spring, push-rod frame bottom adopts dumbbell shape base, and two ends are that cylindricality movable pulley coordinates with the mounting groove of pedestal, and cylindricality movable pulley horizontally slips in mounting groove, and then drives whole catch bar to swing within the specific limits.
Described pedestal arranges a symmetrical irregular mounting groove in bottom, mounting groove top is arc surface, arc diameter is slightly larger than the cylindricality movable pulley diameter of the dumbbell shape base of described push rod, it is being longitudinally a vertical plane, and between cylindricality movable pulley, form a little gap, oblique is the inclined-plane tangent with cylindricality movable pulley, and described push rod relies on two the fixing cylindricality movable pulleies in dumbbell shape base bottom to horizontally slip in mounting groove, and cylindricality movable pulley is tangent with two inclined-planes, mounting groove bottom all the time.
After coil electricity, iron core adhesive armature, the lateral part of armature downwards and iron core be pulled together, take the edge of a knife of yoke and to upper right side, upwarp as fulcrum in one end in addition, the armature top upwarping promotes the armature contact jaw on push rod, after armature contact jaw is stressed, the action of drive push rod, wherein two of dumbbell shape base fixing cylindricality movable pulleies slide left, and then drive moving spring contact jaw top to press spring group, make its action, the movable contact spring of moving spring group is pressed to the right, the quiet spring contact contact action of moving spring contact and quiet spring group; After coil blackout, armature separates reset with iron core, and armature separates with armature contact jaw, by two of dumbbell shape base fixing cylindricality movable pulleies, slides left, and push rod automatically resets, and moving spring group is separated with quiet spring group.
Adopt the technical scheme that the utility model provides to produce following useful effect: described push rod adopts integrative-structure, and structure arranges simply, is convenient to injection mo(u)lding processing, has simplified production and processing technology, has reduced production cost; Described push rod adopts the special construction combination of armature contact jaw, moving spring contact jaw, push-rod frame and bottom dumbbell shape base, utilizes bar thick stick principle, has realized action sensitivity high; Adopt bottom dumbbell shape base, only utilize the fixing cylindricality movable pulley in two, two ends to coordinate with described pedestal mounting groove point of contact, effectively improved action stability, contact area is little, and frictional resistance is little, has reduced the wearing and tearing between action face, is conducive to extend life of product.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is a kind of highly sensitive miniature electro-magnetic relay structural representation of the utility model embodiment.
Fig. 2 is the structural representation of the utility model embodiment push rod.
In figure: 1 pedestal, 11 mounting grooves, 2 push rods, 21 armature contact jaws, 22 moving spring contact jaws, 23 dumbbell shape bases, 231 cylindricality movable pulleies, 24 guide vane end stops, 25 push-rod frames, 3 coils, 4 iron cores, 5 armature, 6 yokes, 61 edges of a knife, 7 moving spring groups, 71 moving spring contacts, 8 quiet spring groups, 81 quiet spring contacts.
Embodiment
The utility model embodiment provides a kind of highly sensitive miniature electro-magnetic relay, Fig. 1 is a kind of highly sensitive miniature electro-magnetic relay structural representation of the utility model embodiment, Fig. 2 is the structural representation of the utility model embodiment push rod, a kind of highly sensitive miniature electro-magnetic relay described in the present embodiment comprises pedestal 1, push rod 2, coil 3, iron core 4, armature 5, yoke 6, moving spring group 7 and quiet spring group 8, its contact system adopts push rod driving, described push rod 2 adopts integrative-structure, by push-rod frame 25, armature contact jaw 21, moving spring contact jaw 22, dumbbell shape base 23 and guide vane end stop 24 form, wherein push-rod frame 25 is rectangular configuration, armature contact jaw 21 is located at the left side at push-rod frame 25 middle parts, moving spring contact jaw 22 is located at the right side of push-rod frame 25 middle and upper parts, armature contact jaw 21 all adopts trapezium structure with moving spring contact jaw 22, from the outside thickness of push-rod frame 25, narrow down gradually, outermost end adopts hemisphere face structure, wherein the hemisphere face of armature contact jaw 21 contacts with armature 5, the hemisphere face of moving spring contact jaw 22 contacts with movable contact spring, push-rod frame 25 tops arrange a rectangle guide vane end stop 24 on right side, can protect preferably movable contact spring, the bottom of push-rod frame 25 adopts dumbbell shape base 23, and two ends are that cylindricality movable pulley 231 coordinates with the mounting groove 11 of pedestal 1, and cylindricality movable pulley 231 horizontally slips in mounting groove 11, and then drives whole push rod 2 to swing within the specific limits.
Described pedestal 1 arranges a symmetrical irregular mounting groove 11 in bottom, mounting groove 11 tops are arc surface, arc diameter is slightly larger than cylindricality movable pulley 231 diameters of the dumbbell shape base 23 of described push rod 2, it is being longitudinally a vertical plane, and 231 of cylindricality movable pulleies form a little gap, oblique is the inclined-plane tangent with cylindricality movable pulley 231, described push rod 2 relies on the fixing cylindricality movable pulley 231 in two of 23 bottoms of dumbbell shape base to horizontally slip in mounting groove 11, and cylindricality movable pulley 231 is tangent with two inclined-planes, mounting groove 11 bottom all the time.
After coil 3 energisings, iron core 4 adhesive armatures 5, the lateral part of armature 5 downwards and iron core 4 be pulled together, take the edge of a knife 61 of yoke 6 and to upper right side, upwarp as fulcrum in one end in addition, armature 5 tops that upwarp promote the armature contact jaw 21 on push rod 2, after armature contact jaw 21 is stressed, drive push rod 2 actions, wherein two of dumbbell shape base 23 fixing cylindricality movable pulleies 231 slide left, and then drive moving spring contact jaw 22 tops to press spring group 7, make its action, the movable contact spring of moving spring group 7 is pressed to the right, quiet spring contact 81 contact actions of 71 moving spring contacts and quiet spring group 8; After coil 3 power-off, armature 5 separates reset with iron core 4, and armature 5 separates with 21 armature contact jaws, by two of dumbbell shape base 23 fixing cylindricality movable pulleies 231, slides left, and push rod 2 automatically resets, and moving spring group 7 is separated with quiet spring group 8.
The present embodiment is only for illustrating the use of the utility model, be not to restriction of the present utility model, those skilled in the art can also make corresponding distortion and modification in essential scope of the present utility model, and the embodiment being equal to so any belongs to category of the present utility model.
Claims (2)
1. a highly sensitive miniature electro-magnetic relay, comprise pedestal, push rod, coil, iron core, armature, yoke, moving spring group and quiet spring group, it is characterized in that: described push rod adopts integrative-structure, by push-rod frame, armature contact jaw, moving spring contact jaw, dumbbell shape base and guide vane end stop form, wherein push-rod frame is rectangular configuration, armature contact jaw is located at the left side at push-rod frame middle part, moving spring contact jaw is located at the right side of push-rod frame middle and upper part, armature contact jaw and moving spring contact jaw all adopt trapezium structure, from the outside thickness of push-rod frame, narrow down gradually, outermost end adopts hemisphere face structure, push-rod frame top arranges a rectangle guide vane end stop on right side, push-rod frame bottom adopts dumbbell shape base, and two ends are that cylindricality movable pulley coordinates with the mounting groove of pedestal.
2. a kind of highly sensitive miniature electro-magnetic relay according to claim 1, it is characterized in that: described pedestal arranges a symmetrical irregular mounting groove, mounting groove top is arc surface, arc diameter is slightly larger than the cylindricality movable pulley diameter at the dumbbell shape base two ends of described push rod, be longitudinally a vertical plane, oblique is the inclined-plane tangent with cylindricality movable pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320398246.XU CN203434094U (en) | 2013-07-03 | 2013-07-03 | Miniature electromagnetic relay with high sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320398246.XU CN203434094U (en) | 2013-07-03 | 2013-07-03 | Miniature electromagnetic relay with high sensitivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434094U true CN203434094U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320398246.XU Expired - Fee Related CN203434094U (en) | 2013-07-03 | 2013-07-03 | Miniature electromagnetic relay with high sensitivity |
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| Country | Link |
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| CN (1) | CN203434094U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616934A (en) * | 2015-01-14 | 2015-05-13 | 宁波世通电子科技有限公司 | Sensitive miniature relay |
| CN107644788A (en) * | 2017-10-10 | 2018-01-30 | 三友联众集团股份有限公司 | A kind of push jack rotating relay |
| CN110349810A (en) * | 2019-06-28 | 2019-10-18 | 宁波金海电子有限公司 | A kind of strong shock resistance and the electromagnetic relay convenient for Automated assembly |
| CN112103137A (en) * | 2020-09-25 | 2020-12-18 | 湖南三易精工科技有限公司 | Push-rod relay |
-
2013
- 2013-07-03 CN CN201320398246.XU patent/CN203434094U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616934A (en) * | 2015-01-14 | 2015-05-13 | 宁波世通电子科技有限公司 | Sensitive miniature relay |
| CN107644788A (en) * | 2017-10-10 | 2018-01-30 | 三友联众集团股份有限公司 | A kind of push jack rotating relay |
| CN107644788B (en) * | 2017-10-10 | 2020-07-10 | 三友联众集团股份有限公司 | Push-piece rotary relay |
| CN110349810A (en) * | 2019-06-28 | 2019-10-18 | 宁波金海电子有限公司 | A kind of strong shock resistance and the electromagnetic relay convenient for Automated assembly |
| CN112103137A (en) * | 2020-09-25 | 2020-12-18 | 湖南三易精工科技有限公司 | Push-rod relay |
| CN112103137B (en) * | 2020-09-25 | 2023-08-01 | 湖南三易精工科技有限公司 | Push rod relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20140703 |
|
| EXPY | Termination of patent right or utility model |