CN204857594U - Ac contactor's binding post - Google Patents
Ac contactor's binding post Download PDFInfo
- Publication number
- CN204857594U CN204857594U CN201520587579.6U CN201520587579U CN204857594U CN 204857594 U CN204857594 U CN 204857594U CN 201520587579 U CN201520587579 U CN 201520587579U CN 204857594 U CN204857594 U CN 204857594U
- Authority
- CN
- China
- Prior art keywords
- hole
- wiring hole
- pad
- wire
- gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model discloses an ac contactor's binding post, including connection terminal, fastening screw and gasket, the wiring hole has been seted up on the connection terminal, the hole bottom in wiring hole is arcs of recesses setting down, the one side in gasket orientation wiring hole is the arc setting of fovea superior, the gasket sets up in the wiring downtheholely, the screw hole that link up to the wiring hole is seted up on the upper portion of connection terminal, fastening screw passes the screw hole, the one end of fastening screw in the connection terminal is contradicted with the gasket, the gasket lower extreme is provided with reset spring, inserting between hole bottom and the gasket in wiring hole and establishing a wire, fastening screw conflict gasket presss from both sides tight wire, and sunken arc position presss from both sides tight wire, and area of contact is big, and the wire gets into the wiring hole can stretch into great length, and area of contact further increases, and reset spring's elasticity makes the gasket support in the fastening screw bottom, screws up the screw, and there is great extrusion force the clamp part position to the wire, makes the fixed more firm of wire.
Description
Technical field
The utility model relates to a kind of binding post, and more particularly, it relates to a kind of binding post of A.C. contactor.
Background technology
A.C. contactor refers in industrial electro and utilizes coil by current induced magnetic field, makes contact closure with the circuit of control load.Because can the device of fast shut-off ac main circuit and big current control circuit; also can be used as controlling work factory and establish electrical load such as standby ﹑ electricity hot device ﹑ machine-tool and various kinds electric power unit etc. as control system so often apply to motor resembling ﹐; contactor can not only be connected and cut off circuit, but also has the effect of low-voltage release guard.Contactor control capability is large, is applicable to frequent operation and far distance controlled.It is one of critical elements in circuit automatic control system.
At present, the binding post of the A.C. contactor on market, it comprises screw, cover plate and base plate, screw is tightened through cover plate, cover plate is pressed on base plate, clamps wire, although this binding post structure is simple, in use, screw is directly arranged in clamping position, putting into of wire can be stopped, and base plate is set to plane, less with conductive contact area, the less stable of thus wire connection, easy generation comes off, and impact uses.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is the binding post of the stream contactor providing a kind of stable connection.
For achieving the above object, the utility model provides following technical scheme: a kind of binding post of A.C. contactor, comprise junction block, trip bolt and pad, described junction block offers wiring hole, wherein: arrange in lower arcs of recesses at the bottom of the hole of described wiring hole, the arc that described pad is fovea superior towards the one side of wiring hole is arranged, described pad is arranged in wiring hole, the top of described junction block offers the through screwed hole to wiring hole, described trip bolt is through described screwed hole, one end in junction block of described trip bolt and pad are conflicted, described pad lower end is provided with back-moving spring, a wire is plugged at the bottom of the hole of described wiring hole and between pad, described pad is by screws clamp wire.
By adopting technique scheme, the arc part clamping wire all caved in pad bottom wiring hole, contact area is large, and frictional force is large; And the new construction adopting screw and pad to conflict replaces original screw through the old structure of pad, making wire enter wiring hole can not by barrier obstruction such as screws, can stretch into enough length, clamped length increases, and contact area increases further; The elasticity of back-moving spring makes to keep bottom pad and trip bolt conflicting always, can regulate the distance bottom pad and wiring hole by rotational fastener screw, and tightening screw can have larger extruding force to wire, makes the fixing more firm of wire.
The utility model is set to further: offer the fixing hole holding back-moving spring at the bottom of the hole of described wiring hole.
By adopting technique scheme, this fixing hole can facilitate the location of back-moving spring on the one hand; On the other hand, when back-moving spring is subject to the extruding of pad thus shrinks, fixing hole can make back-moving spring all be contracted in this fixing hole, thus avoid the limited compression thickness pad of back-moving spring at the bottom of the hole of pad and wiring hole between, cause this binding post can not the thinner wire of grip thickness.
The utility model is set to further: described pad both sides are provided with contact edge edge, and described contact edge is along conflicting with wiring hole both sides.
By adopting technique scheme, contact edge, along the steady movement that can keep pad, is avoided that deflection influence occurs and is used.
The utility model is set to further: described contact edge is arranged along the strip in cross section being rectangle, and the face that in described contact edge edge, area is maximum and wiring hole are conflicted.
By adopting technique scheme, the design of elongate in shape, structure is simple, easy to process, adopt the maximum face of area and wiring hole inconsistent, contact-making surface is enough large, ensure that the not easily generation of pad is laterally inclined, the dispersion of power is more even, the useful life of extension device, and makes clamping more steady.
The utility model is set to further: described back-moving spring is symmetrically distributed in the edge of pad.
By adopting technique scheme, the design distributed symmetrically and evenly makes described pad uniform force, avoids run-off the straight, maintains the steady of pad, and contact during wire access is average.
Accompanying drawing explanation
Fig. 1 is the transverse sectional view of the binding post embodiment of a kind of A.C. contactor of the utility model;
Fig. 2 is the longitudinal sectional view of the binding post embodiment of a kind of A.C. contactor of the utility model.
Accompanying drawing illustrates: 1. junction block; 2. trip bolt; 3. pad; 4. back-moving spring; 11. wiring holes; 12. fixing holes; 31. contact edge edges.
Embodiment
Referring to figs. 1 through Fig. 2, the binding post embodiment of a kind of A.C. contactor of the utility model is described further.
A kind of binding post of A.C. contactor, comprise junction block 1, trip bolt 2 and pad 3, the front of described junction block 1 offers wiring hole 11, arrange in lower arcs of recesses at the bottom of the hole of described wiring hole 11, the arc that described pad 3 is fovea superior towards the one side of wiring hole 11 is arranged, and described pad 3 is flatly arranged in wiring hole 11, the through screwed hole to wiring hole 11 of pipe is offered on the top of described junction block 1, described trip bolt 2 is through described screwed hole, the end face of one end in junction block 1 of described trip bolt 2 and pad 3 is conflicted, described pad 3 lower end is provided with back-moving spring 4, plug a wire (this wire is not shown) at the bottom of the hole of described wiring hole 11 and between pad 3, described pad 3 is by trip bolt 2 clamping wire.
Principle of the present utility model is: the arc part clamping wire all caved in pad 3 bottom wiring hole 11, and contact area is large, and frictional force is large; And the new construction adopting trip bolt 2 and pad 3 to conflict is to replace original trip bolt 2 through the old structure of pad 3, making wire enter wiring hole 11 can not fastened barrier obstruction such as screw 2 grade, can stretch into enough length, clamped length increases, and contact area increases further; The elasticity of back-moving spring 4 makes to keep conflicting bottom pad 3 and trip bolt 2 always, and can regulate the distance bottom pad 3 and wiring hole 11 by rotational fastener screw 2, tightening screw can have larger extruding force to wire, makes the fixing more firm of wire.
Preferably, described wiring hole 11 end, offers the fixing hole 12 holding back-moving spring 4, and this fixing hole 12 1 aspect can facilitate the location of back-moving spring 4; On the other hand, when back-moving spring 4 is subject to the extruding of pad 3 thus shrinks, fixing hole 12 can lead back-moving spring 4 to be all contracted in this fixing hole 12, thus avoid the limited compression thickness pad of back-moving spring 4 at the bottom of the hole of pad 3 and wiring hole 11 between, cause this binding post can not the thinner wire of grip thickness.
Preferably, described pad 3 both sides are provided with contact edge along 31, described contact edge is conflicted along 31 with wiring hole 11 both sides, described contact edge is the strip setting of rectangle in cross section along 31, described contact edge is conflicted along the maximum face of area in 31 and wiring hole 11, and described back-moving spring 4 is symmetrically distributed in the edge of pad 3.
The principle of the program is: contact edge can keep the steady movement of pad 3 along 31, avoids that deflection influence occurs and uses; The design of elongate in shape, structure is simple, easy to process, adopt the maximum face of area and wiring hole 11 inconsistent, contact-making surface enough greatly, ensure that the not easily generation of pad 3 is laterally inclined, the dispersion of power is more even, the useful life of extension device, and makes clamping more steady; The design distributed symmetrically and evenly makes described pad 3 uniform force, avoids run-off the straight, maintains the steady of pad 3, and contact during wire access is average.
The preferred scheme of the utility model is set to: the fovea superior of pad and the recessed radian of wiring hole are 0.3 ~ 0.7, less radian ensure that to have enough little gap bottom pad and wiring hole, avoid the meticulous generation of wire cannot the situation of clamping wires, improve the binding post of A.C. contactor.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. the binding post of an A.C. contactor, comprise junction block, trip bolt and pad, described junction block offers wiring hole, it is characterized in that: arrange in lower arcs of recesses at the bottom of the hole of described wiring hole, the arc that described pad is fovea superior towards the one side of wiring hole is arranged, described pad is arranged in wiring hole, the top of described junction block offers the through screwed hole to wiring hole, described trip bolt is through described screwed hole, one end in junction block of described trip bolt and pad are conflicted, described pad lower end is provided with back-moving spring, a wire is plugged at the bottom of the hole of described wiring hole and between pad, described pad is by trip bolt clamping wire.
2. the binding post of a kind of A.C. contactor according to claim 1, is characterized in that: offer the fixing hole holding back-moving spring at the bottom of the hole of described wiring hole.
3. the binding post of a kind of A.C. contactor according to claim 1, is characterized in that: described pad both sides are provided with contact edge edge, and described contact edge is along conflicting with wiring hole both sides.
4. the binding post of a kind of A.C. contactor according to claim 3, is characterized in that: described contact edge is arranged along the strip in cross section being rectangle, and the face that in described contact edge edge, area is maximum and the hole wall of wiring hole are conflicted.
5. the binding post of a kind of A.C. contactor according to claim 1, is characterized in that: described back-moving spring is symmetrically distributed in the edge of pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520587579.6U CN204857594U (en) | 2015-08-06 | 2015-08-06 | Ac contactor's binding post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520587579.6U CN204857594U (en) | 2015-08-06 | 2015-08-06 | Ac contactor's binding post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204857594U true CN204857594U (en) | 2015-12-09 |
Family
ID=54748121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520587579.6U Expired - Fee Related CN204857594U (en) | 2015-08-06 | 2015-08-06 | Ac contactor's binding post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204857594U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379680A (en) * | 2019-07-12 | 2019-10-25 | 臧龙 | A kind of relay connector |
| CN110853982A (en) * | 2019-10-24 | 2020-02-28 | 山东省产品质量检验研究院 | Terminal of high-voltage direct current relay |
| CN113036496A (en) * | 2021-03-12 | 2021-06-25 | 海盐利伦达电器有限公司 | Large-current wiring terminal |
-
2015
- 2015-08-06 CN CN201520587579.6U patent/CN204857594U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379680A (en) * | 2019-07-12 | 2019-10-25 | 臧龙 | A kind of relay connector |
| CN110853982A (en) * | 2019-10-24 | 2020-02-28 | 山东省产品质量检验研究院 | Terminal of high-voltage direct current relay |
| CN110853982B (en) * | 2019-10-24 | 2022-03-01 | 山东省产品质量检验研究院 | Terminal of high-voltage direct current relay |
| CN113036496A (en) * | 2021-03-12 | 2021-06-25 | 海盐利伦达电器有限公司 | Large-current wiring terminal |
| CN113036496B (en) * | 2021-03-12 | 2022-09-30 | 海盐利伦达电器有限公司 | Large-current wiring terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170509 Address after: 200000 Fengxian District Xidu town of Shanghai Feng Jin Road No. 469 Patentee after: Shanghai Donghai electric (Group) Limited by Share Ltd Address before: 325600 Yueqing Economic Development Zone, Wenzhou, No. six weft Road, No. 208, Zhejiang Patentee before: WENZHOU CHUANGFU HIGH VOLTAGE ELECTRIC CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20180806 |