CN201839125U - Isolated safety increased type junction box - Google Patents
Isolated safety increased type junction box Download PDFInfo
- Publication number
- CN201839125U CN201839125U CN2010205770700U CN201020577070U CN201839125U CN 201839125 U CN201839125 U CN 201839125U CN 2010205770700 U CN2010205770700 U CN 2010205770700U CN 201020577070 U CN201020577070 U CN 201020577070U CN 201839125 U CN201839125 U CN 201839125U
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- CN
- China
- Prior art keywords
- insulation cavity
- isolated
- insulating case
- increasedsafety
- terminal box
- 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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Abstract
An isolated safety increased type junction box comprises a box body, a box cover and connecting terminals, wherein a closed insulating cavity is arranged around each connecting terminal; an insulating bushing and the connecting terminals are arranged at the bottom of the insulating cavity; and cable positioning holes are formed on the lower side surface of the insulating cavity. The junction box has simple structure and practical functions, and meets the requirements for an electrical gap and a creepage distance under the condition of shorter straight-line distance of the adjacent connecting terminals, thereby effectively reducing the size and the weight of the junction box and greatly intensifying the safety of the junction box.
Description
Technical field
The utility model relates to a kind of isolated INCREASEDSAFETY terminal box.
Background technology
Traditional INCREASEDSAFETY terminal box is a cavity, and distribute in the cavity three or a plurality of binding post satisfy the electric clearance requirement by maintaining a certain distance between the binding post.Such layout for the motor in voltage levels or rarefaction of air area more, need increase cavity to satisfy electric clearance and creepage distance requirement greatly, makes huge that the terminal box volume becomes like this.And may cause between three binding posts or produce between binding post and the terminal box cavity discharging because of fortuitous event occurring in the conventional electrical connectors.
The utility model content
The utility model purpose is to provide a kind of isolated INCREASEDSAFETY terminal box, and size is less, weight is lighter, and safe and reliable.
To achieve these goals, the utility model adopts following technical scheme: isolated INCREASEDSAFETY terminal box, comprise box body, lid and binding post, be arranged with the insulation cavity of sealing at each binding post, the insulation cavity bottom is provided with insulating case and binding post, and insulation cavity downside is provided with the cable location hole.
Described binding post and insulating case are structure as a whole, the insulation cavity bottom is connected with insulating case by the bayonet unit of unidirectional anticreep, and described unidirectional fastener device comprises the multistage draw-in groove of insulating case excircle setting and the dop that is circular layout of insulation cavity bottom setting.
Described insulation cavity and insulating case are structure as a whole, and binding post is fixedly installed in the installing hole of reserving at the insulating case center, and the wall of insulation cavity is provided with pressure relief plug.
Be provided with cable sealing device with holes in the described cable location hole.
Described insulation cavity all is fixed on the framework of periphery setting, and the framework corresponding position is provided with the cable fixing hole.
The external side of described insulated cavity is provided with insulation board and cover plate.
The utility model is simple in structure, function is practical, has satisfied electric clearance and creepage distance under the short situation of adjacent two binding post air line distances, thereby has effectively reduced the size and the weight of terminal box, has greatly strengthened the fail safe of terminal box simultaneously.
Description of drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of embodiment 2;
Fig. 4 is the B-B cutaway view of Fig. 3.
Embodiment
Embodiment 1: as shown in Figure 1 and Figure 2, isolated INCREASEDSAFETY terminal box comprises box body 1 and binding post 3, is arranged with the insulation cavity 9 of sealing at each binding post 3, insulation cavity 9 bottoms are provided with binding post 3, and insulation cavity 9 downsides are provided with cable location hole 7.Be provided with cable sealing device with holes 8 in the cable location hole 7.Insulation cavity 9 all is fixed on the framework 5 of periphery setting, and the corresponding position is provided with cable fixing hole 6 on the framework 5.Insulation cavity 5 outsides are provided with insulation board 12 and cover plate 13.
Pass the cable fixing hole 6 of framework 5 after circuit 4 is introduced by line outlet 14 earlier, pass the cable sealing device 8 in the cable location hole 7 of insulation cavity 9 then, be fixed on then on the binding post 3.
The wiring of every phase partly is arranged in the cavity of an insulation cavity 9, and each cavity can be provided with two connection jaws (being respectively applied for motor internal lead-in wire and service cable).Motor internal lead-in wire interface uses the inner seal ring compacted form, and the form that can establish insulating case and sealing ring realizes that the motor internal lead-in wire enters cavity or insulating case and cavity design are integral.Insulation cavity 9 is made by insulating material, and the inside and outside physical isolation of cavity can realize the general of different electric pressures such as 6kV, 10kV.According to the positional alignment needs of three binding posts, the cavity of insulation cavity 9 can be circle or polygon.
In the present embodiment, binding post 3 is structure as a whole with insulating case 10, insulation cavity 5 bottoms are connected with insulating case by the bayonet unit of unidirectional anticreep, unidirectional fastener device comprises the multistage draw-in groove of insulating case 10 excircle settings and the dop that is circular layout 11 that insulation cavity 9 bottoms are provided with, dop 11 also plays the effect of sealing ring, can also doublely do pressure relief plug simultaneously.
Embodiment 2: as shown in Figure 3, Figure 4, the difference part of present embodiment and embodiment 1 is, insulation cavity 9 and insulating case 10 are structure as a whole, and binding post 3 is fixedly installed in the installing hole of reserving at insulating case 10 centers, and the wall of insulation cavity 9 is provided with pressure relief plug 2.On each insulation cavity 9 independently circular pressure relief plug 2 is set, uses the nonmetal stopper of suitable elasticity to realize barrier propterty, pressure release under extreme case under the normal condition.
Claims (6)
1. isolated INCREASEDSAFETY terminal box comprises box body, lid and binding post, it is characterized in that: be arranged with the insulation cavity of sealing at each binding post, the insulation cavity bottom is provided with insulating case and binding post, and insulation cavity downside is provided with the cable location hole.
2. isolated INCREASEDSAFETY terminal box according to claim 1, it is characterized in that: described binding post and insulating case are structure as a whole, the insulation cavity bottom is connected with insulating case by the bayonet unit of unidirectional anticreep, and described unidirectional fastener device comprises the multistage draw-in groove of insulating case excircle setting and the dop that is circular layout of insulation cavity bottom setting.
3. isolated INCREASEDSAFETY terminal box according to claim 1 is characterized in that: described insulation cavity and insulating case are structure as a whole, and binding post is fixedly installed in the installing hole of reserving at the insulating case center, and the wall of insulation cavity is provided with pressure relief plug.
4. according to arbitrary described isolated INCREASEDSAFETY terminal box of claim 1-3, it is characterized in that: be provided with cable sealing device with holes in the described cable location hole.
5. isolated INCREASEDSAFETY terminal box according to claim 4 is characterized in that: described insulation cavity all is fixed on the framework of periphery setting, and the framework corresponding position is provided with the cable fixing hole.
6. isolated INCREASEDSAFETY terminal box according to claim 5 is characterized in that: the external side of described insulated cavity is provided with insulation board and cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205770700U CN201839125U (en) | 2010-10-26 | 2010-10-26 | Isolated safety increased type junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205770700U CN201839125U (en) | 2010-10-26 | 2010-10-26 | Isolated safety increased type junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201839125U true CN201839125U (en) | 2011-05-18 |
Family
ID=44009224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205770700U Expired - Fee Related CN201839125U (en) | 2010-10-26 | 2010-10-26 | Isolated safety increased type junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201839125U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048333A (en) * | 2015-08-28 | 2015-11-11 | 唐花女 | Convenient-to-connect cable connection positioning device |
-
2010
- 2010-10-26 CN CN2010205770700U patent/CN201839125U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048333A (en) * | 2015-08-28 | 2015-11-11 | 唐花女 | Convenient-to-connect cable connection positioning device |
| CN105048333B (en) * | 2015-08-28 | 2016-06-15 | 国网山东省电力公司日照供电公司 | The convenient cable connection positioner of a kind of access |
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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: 20110518 Termination date: 20151026 |
|
| EXPY | Termination of patent right or utility model |