CN203456812U - Junction box - Google Patents
Junction box Download PDFInfo
- Publication number
- CN203456812U CN203456812U CN201320464346.8U CN201320464346U CN203456812U CN 203456812 U CN203456812 U CN 203456812U CN 201320464346 U CN201320464346 U CN 201320464346U CN 203456812 U CN203456812 U CN 203456812U
- Authority
- CN
- China
- Prior art keywords
- case lid
- wiring
- junction box
- ground strip
- wiring case
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a junction box comprising a junction box body, a junction box cover and a sealing member; a connecting portion between the junction box body and the junction box cover is sealed by the sealing member; a junction box body grounding sheet is arranged below the junction box body; a junction box cover grounding sheet is arranged below the junction box cover; the junction box body grounding sheet and the junction box cover grounding sheet are connected through a fastening piece; the junction box omits the arrangement of a grounding seat and grounding wire, thereby reducing making cost of the junction box; simultaneously, the junction box is easy to mount and dismount, so maintenance and repair are convenient.
Description
Technical field
The utility model relates to a kind of junction box, relates in particular to a kind of junction box of railcar equipment.
Background technology
The junction box of railcar equipment generally has degree of protection requirement, therefore, the junction box's of prior art structure as shown in Figure 1, comprise wiring casing 1, wiring case lid 2, seal 3, the first grounding base 4, the second grounding base 5 and earth connection 6, wiring casing 1 adopts seal to seal 3 with wiring case lid 2 joints, make wiring casing 1 and the 2 not conductings of wiring case lid, in wiring casing 1, be provided with the first grounding base 4, wiring case lid 2 is provided with between the second grounding base 5, the first grounding bases 4 and the second grounding base 5 and is connected by earth connection 6.For realizing such scheme, must on wiring casing 1 and wiring case lid 2, weld (or alternate manner) grounding base, this structure junction box's ground connection is reliable, but install and dismounting inconvenience, be not easy to maintenance, also relatively waste material, increased junction box's manufacturing cost simultaneously.
Utility model content
The utility model object is that a kind of installation and convenient disassembly are provided in order to overcome the deficiencies in the prior art, is easy to the junction box of maintenance.
For achieving the above object, the technical solution adopted in the utility model is: a kind of junction box, comprise wiring casing, wiring case lid and seal, described wiring casing and wiring case lid joint seal with seal, and described wiring casing below is provided with wiring casing ground strip; Described wiring case lid below is provided with wiring case lid ground strip; Described wiring casing ground strip is connected by securing member with wiring case lid ground strip.
Preferably, described wiring case lid ground strip is double-deck; The internal layer of described double-layer wiring case lid ground strip is turnover upwards, with skin near; Described wiring casing ground strip and wiring case lid ground strip when the securing member, the internal layer of described double-layer wiring case lid ground strip and wiring casing ground strip near; Described seal is arranged on the outer interlayer of wiring casing and wiring case lid ground strip.
Preferably, the thickness of described double-layer wiring case lid ground strip equals the thickness sum of thickness and the seal of wiring case lid.
Preferably, the outer layer thickness of described wiring case lid ground strip is identical with the thickness of wiring case lid; The internal layer thickness of described wiring case lid ground strip is identical with the thickness of seal.
Preferably, described seal is rubber.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
Junction box of the present utility model, to be provided with wiring casing ground strip by wiring casing below, wiring case lid below is provided with wiring case lid ground strip, wiring casing ground strip is connected by securing member with wiring case lid ground strip, is grounded effect, cancelled the setting of grounding base and earth connection, reduced junction box's manufacturing cost, meanwhile, this junction box installs and dismounting, is easy to maintenance.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
The junction box's that accompanying drawing 1 is prior art structural representation;
The decomposition texture schematic diagram that accompanying drawing 2 is junction box of the present utility model;
The partial structurtes schematic diagram that accompanying drawing 3 is junction box of the present utility model;
Wherein: 1, wiring casing; 2, wiring case lid; 3, seal; 4, the first grounding base; 5, the second grounding base; 6, earth connection; 7, wiring casing ground strip; 8, wiring case lid ground strip; 9, securing member; 10, internal layer; 11, skin.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Embodiment 1:
A kind of junction box described in the utility model, comprises wiring casing, wiring case lid and seal, and described wiring casing and wiring case lid joint seal with seal, and described wiring casing below is provided with wiring casing ground strip; Described wiring case lid below is provided with wiring case lid ground strip; Described wiring casing ground strip is connected by securing member with wiring case lid ground strip.
Embodiment 2:
Described in the utility model a kind of junction box as shown in accompanying drawing 2,3, comprise wiring casing 1, wiring case lid 2 and seal 3, described wiring casing 1 seals with seal 3 with wiring case lid 2 joints, and described wiring casing 1 below is provided with wiring casing ground strip 7; Described wiring case lid 2 belows are provided with wiring case lid ground strip 8; Described wiring casing ground strip 7 is connected by securing member 9 with wiring case lid ground strip 8; Described wiring case lid ground strip 8 is double-deck; The internal layer 10 of described double-layer wiring case lid ground strip is turnover upwards, with outer 11 near; Described wiring casing ground strip 7 is with wiring case lid ground strip 8 during by securing member, the internal layer 10 of described double-layer wiring case lid ground strip 8 and wiring casing ground strip 7 near; Described seal 3 is put 11 of the skins of wiring casing 1 and wiring case lid ground strip 8.
Above-mentioned junction box, when the thickness of described double-layer wiring case lid ground strip 8 equals the thickness of wiring case lid 2 and the thickness sum of seal 3, result of use is better.
Further, skin 11 thickness of described wiring case lid ground strip 8 are identical with the thickness of wiring case lid 2; Internal layer 10 thickness of described wiring case lid ground strip 8 are identical with the thickness of seal 3.
Above-mentioned junction box, described seal 3 is generally rubber.
Junction box of the present utility model, to be provided with wiring casing ground strip by wiring casing below, wiring case lid below is provided with wiring case lid ground strip, wiring casing ground strip is connected by securing member with wiring case lid ground strip, is grounded effect, cancelled the setting of grounding base and earth connection, reduced junction box's manufacturing cost, meanwhile, this junction box installs and dismounting, is easy to maintenance.
Below be only concrete exemplary applications of the present utility model, protection range of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, within all dropping on the utility model rights protection scope.
Claims (5)
1. a junction box, comprises wiring casing, wiring case lid and seal, and described wiring casing and wiring case lid joint seal with seal, it is characterized in that: described wiring casing below is provided with wiring casing ground strip; Described wiring case lid below is provided with wiring case lid ground strip; Described wiring casing ground strip is connected by securing member with wiring case lid ground strip.
2. junction box according to claim 1, is characterized in that: described wiring case lid ground strip is for double-deck; The internal layer of described double-layer wiring case lid ground strip is turnover upwards, with skin near; Described wiring casing ground strip and wiring case lid ground strip when the securing member, the internal layer of described double-layer wiring case lid ground strip and wiring casing ground strip near; Described seal is arranged on the outer interlayer of wiring casing and wiring case lid ground strip.
3. junction box according to claim 2, is characterized in that: the thickness of described double-layer wiring case lid ground strip equals the thickness sum of thickness and the seal of wiring case lid.
4. junction box according to claim 3, is characterized in that: the outer layer thickness of described wiring case lid ground strip is identical with the thickness of wiring case lid; The internal layer thickness of described wiring case lid ground strip is identical with the thickness of seal.
5. according to the junction box one of claim 1～4 Suo Shu, it is characterized in that: described seal is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464346.8U CN203456812U (en) | 2013-07-31 | 2013-07-31 | Junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464346.8U CN203456812U (en) | 2013-07-31 | 2013-07-31 | Junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203456812U true CN203456812U (en) | 2014-02-26 |
Family
ID=50136666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320464346.8U Withdrawn - After Issue CN203456812U (en) | 2013-07-31 | 2013-07-31 | Junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203456812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427383A (en) * | 2013-07-31 | 2013-12-04 | 江苏经纬轨道交通设备有限公司 | Connecting box |
-
2013
- 2013-07-31 CN CN201320464346.8U patent/CN203456812U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427383A (en) * | 2013-07-31 | 2013-12-04 | 江苏经纬轨道交通设备有限公司 | Connecting box |
| CN103427383B (en) * | 2013-07-31 | 2018-01-26 | 江苏经纬轨道交通设备有限公司 | A kind of junction box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140226 Effective date of abandoning: 20180126 |
|
| AV01 | Patent right actively abandoned |