CN207149717U - A kind of wall concealed installation ground terminal box and electrostatic discharge ground terminal box - Google Patents
A kind of wall concealed installation ground terminal box and electrostatic discharge ground terminal box Download PDFInfo
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- CN207149717U CN207149717U CN201720839756.4U CN201720839756U CN207149717U CN 207149717 U CN207149717 U CN 207149717U CN 201720839756 U CN201720839756 U CN 201720839756U CN 207149717 U CN207149717 U CN 207149717U
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- cover plate
- hole
- ground terminal
- terminal box
- copper bar
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Abstract
The utility model discloses a kind of wall concealed installation ground terminal box and electrostatic discharge ground terminal box, wall concealed installation ground terminal box includes housing, cover plate, binding post and copper bar, and the box mouth of housing is connected with cover plate, and copper bar is arranged in housing；Through hole is provided with cover plate, through hole is also equipped with copper bar, the number of copper bar through hole is more than the number of cover plate through hole, and the position correspondence of each cover plate through hole has a copper bar through hole；Binding post is inserted in housing through cover plate through hole and its corresponding copper bar through hole, from the outside of cover plate, and copper bar is connected by binding post with cover plate.Electrostatic discharge ground terminal box includes above-mentioned wall concealed installation ground terminal box and a discharge metal ball component.The utility model provide it is a kind of be easy to wiring and take out stitches, the wall concealed installation ground terminal box that protective value is good and by its assembling electrostatic discharge ground terminal box.
Description
Technical field
The utility model belongs to electric engineering construction technical field, more particularly to one kind is applied to factory building, operation room and examination
Testing room etc. has the wall concealed installation ground terminal box technology in place of strict demand to grounding resistance.
Background technology
Present precision equipment is very high to ground connection system requirements, the Code in Hazardous Special Locations such as some factory buildings, operation room or laboratory
There is special requirement to the form of ground terminal box, to facilitate the wiring and dismounting of equipment and earth point.The earth terminal of in the market
Or sub- box is closed, wiring, inconvenience is removed；Structure is excessively simple, and metal part lacks protection, and it is accurate to influence ground connection
True property, it is not adapted to the ground terminal box of the special engineered needs.
Utility model content
To solve drawbacks described above, the technical problems to be solved in the utility model is to provide one kind and is easy to wiring and takes out stitches, protect
Protect the good wall concealed installation ground terminal box of performance.The purpose of this utility model is achieved through the following technical solutions.
A kind of wall concealed installation ground terminal box, including housing, cover plate, binding post and copper bar, the housing be one just
The rectangle box body of face opening, the box mouth of housing are connected with cover plate, and the copper bar is arranged in housing；It is provided with the cover plate
Through hole, through hole is also equipped with the copper bar, and the number of copper bar through hole is more than the number of cover plate through hole, the position of each cover plate through hole
Put and be corresponding with a copper bar through hole；Binding post inserts through cover plate through hole and its corresponding copper bar through hole, from the outside of cover plate
In housing, copper bar is connected by binding post with cover plate.
Further, wiring hole is provided with shell wall side, housing is connected by bolt with cover plate.
Further, two through holes are provided with cover plate, 3 or 4 through holes are provided with copper bar；Cover plate through hole and copper bar
The aperture of through hole is identical, the position of two through holes of copper bar both sides and the position correspondence of two through holes of cover plate；Two cover plate through holes
Respectively one binding post of access.
Further, the housing is metallic wiring box, and the cover plate is the white cover plate of plastics.
Further, the shell length be 146mm, width 86mm, depth 70mm；The copper bar is that width is
30mm, thickness 3mm, length 50-100mm.
A kind of electrostatic discharge ground terminal box, including described wall concealed installation ground terminal box and a metal discharge ball group
Part, the metal discharge ball component include metal ball, metallic rod, pedestal and binding post, and metal ball is welded on metallic rod top, gold
Category bar bottom is welded on pedestal, and metallic rod lower end is welded with binding post, binding post and the wall concealed installation ground terminal box it
Between band connection woven by copper.
The beneficial effects of the utility model：
1）Wall concealed installation ground terminal box provided by the utility model, be easy to wiring and take out stitches, protective value it is good；
2）Cover plate need not be opened during wall concealed installation ground terminal box use provided by the utility model, only need to act wiring
Terminal, it is simple to operate；Terminal lid plate selects the white panel consistent with switch, socket in room, plastic simplicity
It is generous, room overall decoration effect is not influenceed；
3）Wall concealed installation ground terminal box provided by the utility model after testing, in the case where earth bus improves, connects
Ground resistance can generally reach less than 0.4 ohm, minimum up to less than 0.1 ohm, meet experiment demand.
Below in conjunction with the accompanying drawings and embodiment is described in further detail to the utility model.
Brief description of the drawings
Fig. 1 is the utility model wall concealed installation ground terminal box decomposition texture schematic diagram；
Fig. 2 is the utility model wall concealed installation ground terminal box front view；
Fig. 3 is the utility model wall concealed installation ground terminal box top view；
Fig. 4 is the utility model wall concealed installation ground terminal box side view；
Fig. 5 is the utility model anti-static grounding terminal board structural representation.
Reference：
1. housing；2. copper bar；3. cover plate；4. binding post；5. zinc-coated flat steel sheet；6. concealed installation ground terminal box；7. metal ball；
8. metallic rod；9. pedestal；10. binding post；11. bronze medal braid over braid.
Embodiment
Embodiment 1
As shown in Fig. 1 ~ 4, a kind of wall concealed installation ground terminal box, including housing 1, cover plate 3, binding post 4 and copper bar 2,
The housing 1 is the rectangle box body of a front openings, and the box mouth of housing 1 is connected with cover plate 4, and the copper bar 2 is arranged on shell
In body 1；Through hole is provided with the cover plate 3, through hole is also equipped with the copper bar 4, the number of copper bar through hole is led to more than cover plate
The number in hole, the position correspondence of each cover plate through hole have a copper bar through hole；Binding post is through cover plate through hole and its corresponding
Copper bar through hole, on the outside of the cover plate in insertion housing, copper bar is connected by binding post with cover plate.
Wiring hole is provided with the wall of housing 1, housing 1 is connected by the bolts of Φ 4 with cover plate 3.
In the present embodiment：Two through holes are provided with cover plate, binding post specification, which is provided with 3 or 4, on copper bar leads to
Hole；Cover plate through hole is identical with the aperture of copper bar through hole, the position of two through holes of copper bar both sides and the position of two through holes of cover plate
It is corresponding；Two cover plate through holes respectively access a binding post.
Housing is metallic wiring box, and cover plate is the white cover plate of plastics.Shell length is 146mm, width 86mm, depth are
70mm；The copper bar is that width is 30mm, thickness 3mm, length 50-100mm.
For easy-to-connect, copper bar also can use corresponding copper braid over braid crimping Wiring nose filial generation to replace.
A kind of installation method of wall concealed installation ground terminal box, including following installation steps：
1）Housing it is pre-buried：Housing box mouth is embedded in wall with civil engineering outwardly, the wall is concrete walls
The box mouth plane of housing is concordant with wall during body, when the wall is brick masonry wall, housing protrusion metope 10-15mm；
2）The access of external cable：The termination of the external cable is arranged to tenon shape zinc-coated flat steel sheet, the tenon of zinc-coated flat steel sheet
It is provided with through hole；A gap is opened on the wall of housing lower end, zinc-coated flat steel sheet is inserted in housing from gap, tenon is inside；Will
Copper bar is put into housing, and the through hole among copper bar is alignd with the through hole of tenon, then with galvanized bolt by copper bar with it is zinc-plated flat
Steel is tightened；
3）The fixation of cover plate and binding post：Cover plate is fixed on housing, and makes the position of two through holes on cover plate
With the position correspondence of the through hole of copper bar both sides；Two piece-root grafting line terminals are respectively penetrated in cover plate through hole and corresponding copper bar through hole,
The bolt carried with binding post is tightened with copper bar and cover plate respectively.
In the present embodiment：
Centre position at the left and right 1/4 of the white cover plate of plastics drills respectively, the binding post diameter that aperture contrast is selected,
Such as 2 binding posts are used, open 2 holes without particular/special requirement, general each terminal box.
50-100mm copper bar is intercepted, 3 or 4 through holes are opened thereon, aperture is identical with the hole of white cover plate.
Taking zinc-coated flat steel sheet about 30cm as requested, tenon shape is processed into one end, and in tenon shape close to circle centre position perforate, aperture
It is identical with the hole of copper bar.
Binding post cap need to only be unclamped or be twisted because the binding post of the ground terminal box is exposed, during use
Under, tightly wrapped with fork-shaped metal joint or common metal silk with binding post and use nut compressing again.
If terminal box（Housing）Need to be pre-buried, then a gap is opened in terminal box side when installing, then by zinc-coated flat steel sheet and copper bar
Etc. being put into terminal box, the end of zinc-coated flat steel sheet and pre-buried band steel are welded, wall tick slot is embedded within the walls, and mortar wipes compacting
.Or the tenon shape zinc-coated flat steel sheet processed is welded in the pre-buried band steel one end of needs, position is set when pre-buried, directly by it
It is put into terminal box, is connected with copper bar etc. during installation.But this mounting means is very high to pre-buried status requirement, need
It is accurately positioned.
Embodiment 2
As shown in figure 5, a kind of electrostatic discharge ground terminal box, including the wall concealed installation ground terminal box 6 described in embodiment 1
With a metal discharge ball component, the metal discharge ball component includes metal ball 7, metallic rod 8, pedestal 9 and binding post 10, gold
Category ball bonding is welded on pedestal in metallic rod top, metallic rod bottom, and metallic rod lower end is welded with binding post, binding post 10 with
Connected between the wall concealed installation ground terminal box 6 by copper braid over braid 11.
Electrostatic discharge ground terminal box in the present embodiment, on the basis of foregoing concealed installation ground terminal box, increase a gold
Category electric discharge ball component.Doorway is generally placed upon, is touched when entering and going out with hand, to have the function that to exclude electrostatic.Metal ball one
As radius be 7-8cm, be welded on metallic rod or stainless-steel pipe, bottom is welded on pedestal.Weld one in metallic rod lower end
Binding post.The distance of box and door is grounded according to concealed installation, takes the copper braid over braid of 2-5 rice, both ends are connected with forked terminal, will during use
The binding post and concealed installation ground connection box for putting penalty kick are connected, and are usually closed at behind the door, are not take up room space, using simple, laboratory,
Factory building, operation room etc. require strict place to electrostatic, have universal applicability.
Claims (6)
- A kind of 1. wall concealed installation ground terminal box, it is characterised in that：Including housing, cover plate, binding post and copper bar, the housing For the rectangle box body of a front openings, the box mouth of housing is connected with cover plate, and the copper bar is arranged in housing；The cover plate On be provided with through hole, be also equipped with through hole on the copper bar, the number of copper bar through hole is more than the number of cover plate through hole, each cover plate The position correspondence of through hole has a copper bar through hole；Binding post through cover plate through hole and its corresponding copper bar through hole, from cover plate In outside insertion housing, copper bar is connected by binding post with cover plate.
- 2. wall concealed installation ground terminal box according to claim 1, it is characterised in that：Wiring is provided with shell wall side Hole, housing are connected by bolt with cover plate.
- 3. wall concealed installation ground terminal box according to claim 1, it is characterised in that：Two through holes are provided with cover plate, 3 or 4 through holes are provided with copper bar；Cover plate through hole is identical with the aperture of copper bar through hole, the position of two through holes of copper bar both sides Put the position correspondence with two through holes of cover plate；Two cover plate through holes respectively access a binding post.
- 4. wall concealed installation ground terminal box according to claim 1, it is characterised in that：The housing is metallic wiring box, The cover plate is the white cover plate of plastics.
- 5. wall concealed installation ground terminal box according to claim 1, it is characterised in that：The shell length is 146mm, width Spend for 86mm, depth 70mm；The copper bar is that width is 30mm, thickness 3mm, length 50-100mm.
- A kind of 6. electrostatic discharge ground terminal box, it is characterised in that：Including the wall concealed installation described in any one in claim 1 ~ 5 Ground terminal box and a metal discharge ball component, the metal discharge ball component include metal ball, metallic rod, pedestal and wiring Post, metal ball are welded on metallic rod top, and metallic rod bottom is welded on pedestal, and metallic rod lower end is welded with binding post, wiring Band connection is woven by copper between post and the wall concealed installation ground terminal box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720839756.4U CN207149717U (en) | 2017-07-12 | 2017-07-12 | A kind of wall concealed installation ground terminal box and electrostatic discharge ground terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720839756.4U CN207149717U (en) | 2017-07-12 | 2017-07-12 | A kind of wall concealed installation ground terminal box and electrostatic discharge ground terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207149717U true CN207149717U (en) | 2018-03-27 |
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ID=61674748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720839756.4U Active CN207149717U (en) | 2017-07-12 | 2017-07-12 | A kind of wall concealed installation ground terminal box and electrostatic discharge ground terminal box |
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| CN (1) | CN207149717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196077A (en) * | 2017-07-12 | 2017-09-22 | 中国人民解放军63926部队 | A kind of wall concealed installation ground terminal box and its installation method |
-
2017
- 2017-07-12 CN CN201720839756.4U patent/CN207149717U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196077A (en) * | 2017-07-12 | 2017-09-22 | 中国人民解放军63926部队 | A kind of wall concealed installation ground terminal box and its installation method |
| CN107196077B (en) * | 2017-07-12 | 2024-03-29 | 中国人民解放军63926部队 | Wall concealed-installation grounding terminal box and installation method thereof |
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