CN204834515U - Novel contact device - Google Patents
Novel contact device Download PDFInfo
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- CN204834515U CN204834515U CN201520655429.4U CN201520655429U CN204834515U CN 204834515 U CN204834515 U CN 204834515U CN 201520655429 U CN201520655429 U CN 201520655429U CN 204834515 U CN204834515 U CN 204834515U
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Abstract
The utility model relates to a contact means who uses on the electrical apparatus such as contact means, especially ac contactor. The utility model discloses a following technical scheme: a novel contact device, including magnetic conduction board and contact plate, its 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, 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, the magnetic conduction board sets up in the U -shaped chamber of contact plate, and the positioning end of going up the diaphragm arranges the locating hole of magnetic conduction board in, the through -hole of diaphragm is aimed at with the screw hole of magnetic conduction board and is set up down. Through adopting above -mentioned scheme, this is practical newly overcomes not enough that prior art exists, provides a part and produces more easily, and the cost is lower, the better neotype contact means of striking effect.
Description
Technical field
The utility model relates to the contact apparatus that the electrical equipment such as a kind of contact apparatus, particularly A.C. contactor use.
Background technology
There is following problem because its vibrational power flow is unreasonable in existing contact apparatus: 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.
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 contact apparatus of striking better effects if.
To achieve these goals, the utility model is by the following technical solutions: a kind of novel contact device, include magnetic conductive board and contact plate, 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 at the screwed hole of magnetic conductive board and is arranged.
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 connecting 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.
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 withstands 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.
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, contact apparatus, moving contact 4, arc control device 6, armature 7, iron core 8 and coil 9, described moving contact 4 links with armature 7 and arranges, in the present embodiment, described contact apparatus includes magnetic conductive board 2 and contact plate 3, 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.
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 (2)
1. a novel contact device, include magnetic conductive board and contact plate, 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 at the screwed hole of magnetic conductive board and is arranged.
2. novel contact device according to claim 1, it is characterized in that: the upper cross plate triangularity shape of described connecting 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520655429.4U CN204834515U (en) | 2015-08-27 | 2015-08-27 | Novel contact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520655429.4U CN204834515U (en) | 2015-08-27 | 2015-08-27 | Novel contact device |
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| Publication Number | Publication Date |
|---|---|
| CN204834515U true CN204834515U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520655429.4U Active CN204834515U (en) | 2015-08-27 | 2015-08-27 | Novel contact device |
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| CN (1) | CN204834515U (en) |
Cited By (1)
| 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 |
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2015
- 2015-08-27 CN CN201520655429.4U patent/CN204834515U/en active Active
Cited By (1)
| 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 |
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