CN204632688U - A kind of convenient for wiring circuit breaker - Google Patents
A kind of convenient for wiring circuit breaker Download PDFInfo
- Publication number
- CN204632688U CN204632688U CN201520325576.5U CN201520325576U CN204632688U CN 204632688 U CN204632688 U CN 204632688U CN 201520325576 U CN201520325576 U CN 201520325576U CN 204632688 U CN204632688 U CN 204632688U
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- China
- Prior art keywords
- external member
- circuit breaker
- wiring
- pad
- convenient
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Abstract
The utility model discloses a kind of convenient for wiring circuit breaker, comprise housing, described housing is provided with lug plate, described lug plate is provided with wiring hole, described housing bottom is provided with cavity, be socketed with external member in described cavity, described external member is provided with pad, described pad is provided with screwed hole, and screwed hole arranges with wiring hole is concentric and mutually conflicts, described external member is provided with snap fit, described housing is provided with the draw-in groove coordinated with snap fit, described draw-in groove and extraneous conducting.Be fixed in cavity by external member, the screwed hole on pad and the wiring hole mutual conduction on lug plate, when making to be screwed into bolt in wiring hole, without the need to again with a hand-held nut, make whole wiring process convenient, thus accelerate the installation rate of circuit breaker, improve operating efficiency.
Description
Technical field
The utility model relates to a kind of electric equipment, and more particularly, it relates to a kind of convenient for wiring circuit breaker.
Background technology
Circuit breaker refer to the electric current that can close, carry and cut-off under normal loop condition and can close, the switching device of carrying and the electric current under cut-offfing abnormal loop condition in official hour.
Breaker of plastic casing automatically can cut off electric current after electric current exceedes escape setting.Mould shell and refer to the housing being used as device with plastic insulation, be used between insulated conductor and ground metal portion.Breaker of plastic casing is usually containing pyromagnetic escape unit, and the breaker of plastic casing of large model can be equipped with solid-state escape transducer.Its trip unit is divided into: thermo magnetic trip release and electronic trip unit.
At present, the breaker of plastic casing on market is all in wiring process, and being all needs to use coordinating of nut and bolt, realizes connecting line to be linked into terminals.But this mode needs bolt to turn on, by line around in bolt, with being held by nut, bolt is screwed in nut afterwards.Such wiring process comparatively very complicated is awkward.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of convenient for wiring circuit breaker.
For achieving the above object, the utility model provides following technical scheme:
A kind of convenient for wiring circuit breaker, comprise housing, described housing is provided with lug plate, described lug plate is provided with wiring hole, described housing bottom is provided with cavity, be socketed with external member in described cavity, described external member is provided with pad, described pad is provided with screwed hole, and screwed hole arranges with wiring hole is concentric and mutually conflicts, described external member is provided with snap fit, described housing is provided with the draw-in groove coordinated with snap fit, described draw-in groove and extraneous conducting.
By adopting technique scheme, when circuit breaker uses, need to be linked into by wire in the wiring hole on housing, wire is fixed in wiring hole by through hole screw and nut afterwards.But this mode is comparatively complicated, need a hand to be fixed by nut, another hand is by screw-driving.
In the utility model, first the pad being threaded hole is placed in external member, and external member is inserted in cavity, the material of external member and housing is plastic material, even if by external member is provided with snap fit, under the elastic reaction of plastics itself, external member still can be plugged to when being provided with snap fit in the cavity be arranged on housing and go, along with external member is plugged in cavity gradually, snap fit is dropped into be arranged in the groove on housing, thus realize the fixation to external member.When needing to take out external member, because draw-in groove and the external world are mutual conduction, therefore, only need external force to be exerted a force to snap fit by draw-in groove simultaneously, snap fit just can be made to depart from draw-in groove thus external member be taken out from cavity.
Be fixed in cavity by external member, the screwed hole on pad and the wiring hole mutual conduction on lug plate, when making to be screwed into bolt in wiring hole, without the need to again with a hand-held nut, make whole wiring process convenient, thus accelerate the installation rate of circuit breaker, improve operating efficiency.
The utility model is set to further: described external member is prism-shaped.Described external member is hexa-prism.
By adopting technique scheme, prism-shaped external member itself has seamed edge, therefore inherently has a position-limiting action, makes after grafting enters cavity, can not rotate, thus make snap fit accurately can aim at draw-in groove.And select hexa-prism, be then because hexa-prism is rock-steady structure, be similar to cellular, its structural soundness is good.
The utility model is set to further: described pad both sides are provided with lug boss, and wherein the lug boss of side is absorbed in external member.
By adopting technique scheme, by the setting of both sides lug boss, make side lug boss be absorbed in external member, make, when pad enters into cavity, can be stabilized in external member, make in external member when being inserted in cavity, pad can not drop.Or because cannot set level, but pad is touched and is caused installing inconvenience always with outside cavity.
The utility model is set to further: be absorbed on the lug boss in external member and be provided with external screw thread, be provided with in described external member to coordinate with external screw thread and internal thread.
By adopting technique scheme, by internal thread and externally threaded cooperation, pad can be made to be completely fixed in external member, more make in installation process, pad can not offset.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of a kind of convenient for wiring circuit breaker embodiment of the utility model;
Fig. 2 is the external member structure figure of a kind of convenient for wiring circuit breaker embodiment of the utility model.
Reference numeral: 1, housing; 2, lug plate; 3, wiring hole; 4, cavity; 5, external member; 6, pad; 7, screwed hole; 8, snap fit; 9, draw-in groove; 10, lug boss.
Embodiment
Referring to figs. 1 through Fig. 2, a kind of convenient for wiring circuit breaker embodiment of the utility model is described further.
A kind of convenient for wiring circuit breaker, comprise housing 1, described housing 1 is provided with lug plate 2, described lug plate 2 is provided with wiring hole 3, described housing bottom is provided with cavity 4, be socketed with external member 5 in described cavity 4, described external member 5 is provided with pad 6, described pad 6 is provided with screwed hole 7, and screwed hole 7 arranges with wiring hole 3 is concentric and mutually conflicts, described external member 5 is provided with snap fit 8, described housing is provided with the draw-in groove 9 coordinated with snap fit 8, described draw-in groove 9 and extraneous conducting.Described external member 5 is prism-shaped.Described external member 5 is hexa-prism.Described pad 6 both sides are provided with lug boss 10, and wherein the lug boss 10 of side is absorbed in external member 5.Be absorbed on the lug boss 10 in external member 5 and be provided with external screw thread, be provided with in described external member 5 to coordinate with external screw thread and internal thread.
Traditional, when circuit breaker uses, need to be linked into by wire in the wiring hole 3 on housing, wire is fixed in wiring hole 3 by through hole screw and nut afterwards.But this mode is comparatively complicated, need a hand to be fixed by nut, another hand is by screw-driving.
In the utility model, first the pad 6 being threaded hole 7 is placed in external member 5, and external member 5 is inserted in cavity 4, the material of external member 5 and housing is plastic material, even if by external member 5 is provided with snap fit 8, under the elastic reaction of plastics itself, external member 5 still can be plugged to when being provided with snap fit 8 in the cavity 4 be arranged on housing and go, along with external member 5 is plugged in cavity 4 gradually, snap fit 8 is dropped in the groove be arranged on housing, thus realizes the fixation to external member 5.When needing to take out external member 5 simultaneously, because draw-in groove 9 and the external world are mutual conduction, therefore, only need external force to be exerted a force to snap fit 8 by draw-in groove 9, snap fit 8 just can be made to depart from draw-in groove 9 thus external member 5 is taken out from cavity 4.
Be fixed in cavity 4 by external member 5, screwed hole 7 on pad 6 and wiring hole 3 mutual conduction on lug plate 2, when making to be screwed into bolt in wiring hole 3, without the need to again with a hand-held nut, make whole wiring process convenient, thus accelerate the installation rate of circuit breaker, improve operating efficiency.
Prism-shaped external member 5 itself has seamed edge, therefore inherently has a position-limiting action, makes after grafting enters cavity 4, can not rotate, thus make snap fit 8 can accurately aim at draw-in groove 9.And select hexa-prism, be then because hexa-prism is rock-steady structure, be similar to cellular, its structural soundness is good.
By the setting of both sides lug boss 10, side lug boss 10 is absorbed in external member 5, make, when pad 6 enters into cavity 4, can be stabilized in external member 5, make in external member 5 when being inserted in cavity 4, pad 6 can not drop.Or because cannot set level, but pad 6 is touched and is caused installing inconvenience always with outside cavity 4.
By internal thread and externally threaded cooperation, pad 6 can be made to be completely fixed in external member 5, and more make in installation process, pad 6 can not offset.
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 (6)
1. a convenient for wiring circuit breaker, comprise housing, described housing is provided with lug plate, described lug plate is provided with wiring hole, it is characterized in that: described housing bottom is provided with cavity, be socketed with external member in described cavity, described external member is provided with pad, described pad is provided with screwed hole, described pad and wiring hole are conflicted mutually, and screwed hole is concentric with wiring hole, described external member is provided with snap fit, described housing is provided with the draw-in groove coordinated with snap fit.
2. the convenient for wiring circuit breaker of one according to claim 1, is characterized in that: described external member is prism-shaped.
3. the convenient for wiring circuit breaker of one according to claim 2, is characterized in that: described external member is hexa-prism.
4. the convenient for wiring circuit breaker of one according to claim 1, is characterized in that: described pad both sides are provided with lug boss, and wherein the lug boss of side is absorbed in external member.
5. the convenient for wiring circuit breaker of one according to claim 4, is characterized in that: be absorbed on the described lug boss in external member and be provided with external screw thread, be provided with the internal thread concentric with external screw thread in described external member.
6. the convenient for wiring circuit breaker of one according to claim 1, is characterized in that: described draw-in groove and extraneous conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325576.5U CN204632688U (en) | 2015-05-19 | 2015-05-19 | A kind of convenient for wiring circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325576.5U CN204632688U (en) | 2015-05-19 | 2015-05-19 | A kind of convenient for wiring circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204632688U true CN204632688U (en) | 2015-09-09 |
Family
ID=54051688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520325576.5U Active CN204632688U (en) | 2015-05-19 | 2015-05-19 | A kind of convenient for wiring circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204632688U (en) |
-
2015
- 2015-05-19 CN CN201520325576.5U patent/CN204632688U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |