CN205039120U - Novel alternating current contactor - Google Patents
Novel alternating current contactor Download PDFInfo
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- CN205039120U CN205039120U CN201520776027.XU CN201520776027U CN205039120U CN 205039120 U CN205039120 U CN 205039120U CN 201520776027 U CN201520776027 U CN 201520776027U CN 205039120 U CN205039120 U CN 205039120U
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Abstract
The utility model relates to an ac contactor. The utility model discloses a following technical scheme: a novel alternating current contactor which characterized in that: the magnetic conduction board sets up formation by the metal sheet bending, and the magnetic conduction board becomes the shaped as frame roughly, and the magnetic conduction board is including two horizontal limits and two erect limits, and two horizontal limits are horizontal limit and last horizontal limit down respectively, horizontal edge is provided with the screw hole down, the contact plate is whole to be become to collude shape, and the contact plate is buckled to set up by the metal sheet and is constituted, and the contact plate is including last diaphragm, diaphragm and riser down, goes up diaphragm, constitution U -shaped chamber between diaphragm and the riser down, wherein descends the diaphragm including connecting portion and wiring portion, is provided with the through -hole on the connecting portion, pass to connect soon from the through -hole through the bolt on the bottom plate and realize the fixed connection between magnetic conduction board, contact plate and the bottom plate at the screw hole. Through adopting above -mentioned scheme, this is practical newly to provide a part and produces more easily, and the cost is lower, the better novel alternating current contactor of striking effect.
Description
Technical field
The utility model relates to a kind of A.C. contactor.
Background technology
Existing A.C. contactor, due to some problems below the unreasonable existence of its vibrational power flow: one, on magnetic conductive board, horizontal edge is porose, so that screw passes from hole when assembling, and be fastened on base plate, the existence in hole can reduce the magnetic conduction effect of magnetic conductive board, reduce in striking space arc blow-out magnetic field, thus reduce arc quenching effect; Two, the upper horizontal edge of contact plate also arranges porose, so that screw passes from hole when assembling, and be fastened on base plate, must move along the edge in hole when the existence in hole can make electric arc move, displacement can lengthen, and is unfavorable for that electric arc enters arc control device fast; Three, the afterbody of contact plate broadens gradually, moves, needs the copper material of at substantial, cause cost higher although be more conducive to electric arc; Four, structure of contact terminal is when rigging screw, because screw length is shorter, and after will being alignd in the hole of horizontal edge on the hole of the upper horizontal edge of contact plate and magnetic conductive board, then screw is passed these two holes from top, require higher to the installation proficiency of employee, make efficiency of assembling lower; Five, base plate has many pieces of inserts, and when supplier processes this part, lay inserts and can only rely on manual operation, time-consuming, production efficiency is lower, and cost is higher; Six, clamping plate are equipped with in the side of armature, although improve the mechanical endurance of product, but when iron core thickness is identical, because the magnetic conductivity of clamping plate is not as silicon steel sheet, thus cause iron core suction to decline, have impact on the mechanical endurance of product, the eddy current effect of clamping plate self is higher, a large amount of heat can be produced, cause coil temperature rise higher.
Summary of the invention
This practical deficiency newly overcoming prior art and exist, provide a kind of part more easily to produce, cost is lower, a kind of Novel AC contactor of striking better effects if.
To achieve these goals, the utility model is by the following technical solutions: a kind of Novel AC contactor, include base plate, magnetic conductive board, contact plate, moving contact, fixed contact, arc control device, armature, iron core and coil, described moving contact and armature link and arrange, described fixed contact is arranged on contact plate, armature can drive moving contact to move and realize and the conducting of fixed contact and disconnection, it is characterized in that: described magnetic conductive board is formed by bending setting of metallic plate, magnetic conductive board becomes shaped as frame substantially, magnetic conductive board includes widthwise edge and two vertical edges, widthwise edge is respectively lower horizontal edge and upper horizontal edge, two vertical edges connect vertical edge and location vertical edge respectively, wherein connecting vertical edge is connected between widthwise edge, fixing vertical edge extends straight up from lower horizontal edge one end, its top is protruded upper horizontal edge and is formed gear arc limit, and gear arc limit is provided with location hole, described lower horizontal edge is provided with screwed hole, described contact plate entirety becomes hook-shaped, contact plate is bent to arrange by metallic plate and forms, contact plate includes upper cross plate, lower cross plate and riser, upper cross plate, U-shaped chamber is formed between lower cross plate and riser, wherein lower cross plate includes connecting portion and wire connecting portion, connecting portion is provided with through hole, the top of upper cross plate is provided with the positioning end coordinated with magnetic conductive board location hole, described magnetic conductive board is arranged in the U-shaped chamber of contact plate, and the positioning end of upper cross plate is placed in the location hole of magnetic conductive board, the through hole of described lower cross plate is aimed to insert with the screwed hole of magnetic conductive board and is arranged, described base plate realizes magnetic conductive board from through hole through being screwed in screwed hole by bolt, being fixedly connected with between contact plate with base plate.
By adopting such scheme, the effect realized is: one, on magnetic conductive board, horizontal edge is a complete plane, no longer perforate, be conducive to the intensity reducing unfavorable magnetic field in striking space, lower horizontal edge has a screw thread stretchable holes, beats for realizing the anti-of bolt, and firm contact plate, gear arc limit has location hole, assists the assembling and positioning of contact plate; Two, magnetic conductive board effectively can solve the magnetic conduction effect reducing magnetic conductive board because of the existence of foramen primum, thus reduce in striking space arc blow-out magnetic field, thus reduce the problem of arc quenching effect; Three, the upper cross plate of contact plate is a complete plane, no longer perforate, be conducive to the movement of electric arc like this, what the upper cross plate afterbody of contact plate narrowed gradually is designed with the use amount being beneficial to and reducing copper material, reduce product cost, the positioning end of contact plate and the location hole of magnetic conductive board coordinate, and assist location and the striking of contact plate.
Further setting of the present utility model is: the upper cross plate triangularity shape of described contact plate, it is large near riser side width, positioning end side width is little, and when upper cross plate and upper horizontal edge close neighbour on horizontal edge expose upper cross plate, described screwed hole is stretched by lower horizontal edge and is formed; Described armature is only superposed by silicon steel sheet and forms, and described base plate is provided with the recess holding bolt end and emit.
By adopting the effect of such scheme be: after contact plate and magnetic conductive board assemble, on magnetic conductive board, horizontal edge can have more contact plate upper cross plate one piece of delta-shaped region, during assembling, fixture just in time clamps this delta-shaped region of magnetic conductive board, thus make magnetic conductive board tightly push down contact plate, utilize the cooperation of fixture and this delta-shaped region, achieve assembly crewman fast by bolt anti-screwed hole squeezing into magnetic conductive board below base plate.Then rely on magnetic conductive board to be pressed on base plate by contact plate, the fastening effect of contact plate can be made so more reliable and more stable.In addition, the recess of base plate, creepage distance and the electric clearance of product can be improved, when mounting screw, play certain guide effect and alternate puncturing can be prevented, relying on the anti-knotting structure of bolt, base plate eliminates inserts, be very easy to the part processing of supplier, improve the production efficiency of part, and reduce cost of parts; Last armature only uses silicon steel sheet to synthesize, the iron core suction of product can be increased like this, can also solve because the eddy current effect of clamping plate self is higher, a large amount of heat can be produced, cause the problem that coil temperature rise is higher, the eddy current effect of iron core entirety can also be reduced, reduce the energy consumption of iron core, also reduce the coil temperature rise of product.
Newly be described in further detail originally practical below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the sectional structure chart of the utility model embodiment;
Fig. 2 is the installation diagram of the utility model embodiment magnetic conductive board and contact plate;
Fig. 3 is the stereogram of the contact plate of the utility model embodiment;
Fig. 4 is the stereogram of the magnetic conductive board that the utility model is implemented;
Fig. 5 is the structure chart of the utility model embodiment reflection bolt.
Embodiment
As Figure 1-Figure 5, a kind of Novel AC contactor, include base plate 1, magnetic conductive board 2, contact plate 3, moving contact 4, fixed contact 5, arc control device 6, armature 7, iron core 8 and coil 9, described moving contact 4 links with armature 7 and arranges, described fixed contact 5 is arranged on contact plate 3, armature 7 can drive moving contact 4 to move and realize and the conducting of fixed contact 5 and disconnection, above-mentioned technology also has in the prior art, so be just not described in detail in the present embodiment, in the present embodiment, described magnetic conductive board 2 is formed by bending setting of metallic plate, magnetic conductive board 2 becomes shaped as frame substantially, magnetic conductive board 2 includes widthwise edge 211, 212 and two vertical edges 221, 222, widthwise edge is respectively lower horizontal edge 211 and upper horizontal edge 212, two vertical edges connect vertical edge 221 and location vertical edge 222 respectively, wherein connect vertical edge 221 and be connected to widthwise edge 211, between 212, fixing vertical edge 222 extends straight up from lower horizontal edge 211 one end, its top 2221 is protruded upper horizontal edge 212 and is formed gear arc limit 2221, and gear arc limit 2221 is provided with location hole 22211, described lower horizontal edge 211 is provided with screwed hole 2111, this screwed hole 2111 is preferably stretched by lower horizontal edge 211 and is formed, more firm like this, described contact plate 3 entirety becomes hook-shaped, contact plate 3 is bent to arrange by metallic plate and forms, contact plate 3 includes upper cross plate 31, lower cross plate 32 and riser 33, upper cross plate 31, U-shaped chamber 34 is formed between lower cross plate 32 and riser 33, wherein lower cross plate 32 includes connecting portion 321 and wire connecting portion 322, connecting portion 321 is provided with through hole 3211, the top of upper cross plate 31 is provided with the positioning end 311 coordinated with magnetic conductive board 2 location hole 22211, described magnetic conductive board 2 is arranged in the U-shaped chamber 34 of contact plate 3, and the positioning end 311 of upper cross plate 31 is placed in the location hole 22211 of magnetic conductive board 2, the through hole 3211 of described lower cross plate 32 is aimed to insert with the screwed hole 2111 of magnetic conductive board 2 and is arranged, described base plate 1 realizes magnetic conductive board 2 from through hole through being screwed in screwed hole 2111 by bolt 11, being fixedly connected with between contact plate 3 with base plate 1, by adopting such scheme, the effect realized is: one, on magnetic conductive board 2, horizontal edge 212 is a complete plane, no longer perforate, be conducive to the intensity reducing unfavorable magnetic field in striking space, lower horizontal edge 211 has a screw thread stretchable holes, beats for realizing the anti-of bolt, and firm contact plate 3, gear arc limit 2221 has location hole 22211, assists the assembling and positioning of contact plate 3, two, magnetic conductive board 2 effectively can solve the magnetic conduction effect reducing magnetic conductive board 2 because of the existence of foramen primum, thus reduce in striking space arc blow-out magnetic field, thus reduce the problem of arc quenching effect, three, the upper cross plate 31 of contact plate 3 is a complete plane, no longer perforate, be conducive to the movement of electric arc like this, what upper cross plate 31 afterbody of contact plate 3 narrowed gradually is designed with the use amount being beneficial to and reducing copper material, reduce product cost, the positioning end 311 of contact plate 3 and the location hole 22211 of magnetic conductive board 2 coordinate, and assist location and the striking of contact plate 3.
In the utility model embodiment, the upper cross plate 31 triangularity shape of described contact plate 3, it is large near riser 33 side width, positioning end 311 side width is little, and when upper cross plate 31 and upper horizontal edge 212 close neighbour on horizontal edge 212 expose upper cross plate 31, after such contact plate 3 and magnetic conductive board 2 assemble, on magnetic conductive board 2, horizontal edge 212 can have more contact plate 3 upper cross plate 31 1 pieces of delta-shaped regions 23, during assembling, fixture just in time clamps this delta-shaped region 23 of magnetic conductive board 2, thus make magnetic conductive board 2 tightly push down contact plate 3, utilize the cooperation of fixture and this delta-shaped region 23, achieve assembly crewman fast by bolt 11 anti-screwed hole 2111 squeezing into magnetic conductive board 2 below base plate 1.Described armature 7 is only superposed by silicon steel sheet and forms, the iron core suction of product can be increased like this, can also solve because the eddy current effect of clamping plate self is higher, a large amount of heat can be produced, cause the problem that coil temperature rise is higher, the eddy current effect of iron core entirety can also be reduced, reduce the energy consumption of iron core, also reduce the coil temperature rise of product.Described base plate 1 is provided with the recess 12 holding bolt end and emit, the recess 12 of base plate 1, creepage distance and the electric clearance of product can be improved, when mounting screw, play certain guide effect and alternate puncturing can be prevented, relying on the anti-knotting structure of bolt 11, base plate 1 eliminates inserts, be very easy to the part processing of supplier, improve the production efficiency of part, and reduce cost of parts.
The utility model disclosed, and is the one of preferred embodiment, such as the change of local or modification and come from technological thought of the present utility model and be easy to the person of knowing by inference by the people haveing the knack of this technology, does not all take off patent category of the present utility model.
Claims (3)
1. a Novel AC contactor, include base plate, magnetic conductive board, contact plate, moving contact, fixed contact, arc control device, armature, iron core and coil, described moving contact and armature link and arrange, described fixed contact is arranged on contact plate, armature can drive moving contact to move and realize and the conducting of fixed contact and disconnection, it is characterized in that: described magnetic conductive board is formed by bending setting of metallic plate, magnetic conductive board becomes shaped as frame substantially, magnetic conductive board includes widthwise edge and two vertical edges, widthwise edge is respectively lower horizontal edge and upper horizontal edge, two vertical edges connect vertical edge and location vertical edge respectively, wherein connecting vertical edge is connected between widthwise edge, fixing vertical edge extends straight up from lower horizontal edge one end, its top is protruded upper horizontal edge and is formed gear arc limit, and gear arc limit is provided with location hole, described lower horizontal edge is provided with screwed hole, described contact plate entirety becomes hook-shaped, contact plate is bent to arrange by metallic plate and forms, contact plate includes upper cross plate, lower cross plate and riser, upper cross plate, U-shaped chamber is formed between lower cross plate and riser, wherein lower cross plate includes connecting portion and wire connecting portion, connecting portion is provided with through hole, the top of upper cross plate is provided with the positioning end coordinated with magnetic conductive board location hole, described magnetic conductive board is arranged in the U-shaped chamber of contact plate, and the positioning end of upper cross plate is placed in the location hole of magnetic conductive board, the through hole of described lower cross plate is aimed to insert with the screwed hole of magnetic conductive board and is arranged, described base plate realizes magnetic conductive board from through hole through being screwed in screwed hole by bolt, being fixedly connected with between contact plate with base plate.
2. Novel AC contactor according to claim 1, it is characterized in that: the upper cross plate triangularity shape of described contact plate, it is large near riser side width, positioning end side width is little, and when upper cross plate and upper horizontal edge close neighbour on horizontal edge expose upper cross plate, described screwed hole is stretched by lower horizontal edge and is formed.
3. Novel AC contactor according to claim 1 and 2, is characterized in that: described armature is only superposed by silicon steel sheet and forms, and described base plate is provided with the recess holding bolt end and emit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520776027.XU CN205039120U (en) | 2015-10-08 | 2015-10-08 | Novel alternating current contactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520776027.XU CN205039120U (en) | 2015-10-08 | 2015-10-08 | Novel alternating current contactor |
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| CN205039120U true CN205039120U (en) | 2016-02-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140077A (en) * | 2015-10-08 | 2015-12-09 | 德力西电气有限公司 | Novel AC contactor |
| CN106057602A (en) * | 2016-08-10 | 2016-10-26 | 李蕊名 | Structure apparatus capable of improving contact breaking capacity |
-
2015
- 2015-10-08 CN CN201520776027.XU patent/CN205039120U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140077A (en) * | 2015-10-08 | 2015-12-09 | 德力西电气有限公司 | Novel AC contactor |
| CN106057602A (en) * | 2016-08-10 | 2016-10-26 | 李蕊名 | Structure apparatus capable of improving contact breaking capacity |
| CN106057602B (en) * | 2016-08-10 | 2018-05-15 | 李蕊名 | A kind of constructional device for improving contact breaking capacity |
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