CN2689540Y - Protective sheets for in/out ports of power supply distributing box on construction site - Google Patents
Protective sheets for in/out ports of power supply distributing box on construction site Download PDFInfo
- Publication number
- CN2689540Y CN2689540Y CN 200420028522 CN200420028522U CN2689540Y CN 2689540 Y CN2689540 Y CN 2689540Y CN 200420028522 CN200420028522 CN 200420028522 CN 200420028522 U CN200420028522 U CN 200420028522U CN 2689540 Y CN2689540 Y CN 2689540Y
- Authority
- CN
- China
- Prior art keywords
- out ports
- power supply
- distributing box
- utility
- substrate
- 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
The utility model provides a protective sheet for in/out ports of power supply distributing box on construction site. The substrate of the protective sheet for in/out ports of power supply distributing box on construction site is a plastic quadrate sheet. The center position of the substrate is provided with a threading pore, and a plurality of radial gaps which are equi-spaced are arranged along the circumference of the threading pore. The effect of the utility model is that as the utility model arranges the protective sheet for in/out ports of power supply distributing box at the bottom of the power supply distributing box, connecting a cable wire inside and outside is convenient, the hidden danger that other foreign matter is easy to enter and scratch the cable and bring accident is avoided, the shortage that in/out ports of power supply distributing box all boring pores from the lower part or the bottom of the box body can be avoided.and the utility model is convenient for persons on the construction site to connect cables. A fixed conducting wire frame is arranged at the in/out ports. With the measures the protecting degree of the box case reaches IP43 from the original IPX3 and meets advanced level required by the national standard.
Description
Technical field
The utility model relates to a kind of construction switch box protective sheets for in/out ports.
Background technology
For waterproof, the turnover lead all adopts lower box (bottom) perforate mode with switch box case shell in the job site.Site staff's wiring for convenience, general job site is manufactured with the bottom of switch box and is not done protection, the very big not lead mounting and fixing support of perforate at the bottom of the case that has, foreign material solid foreign materials etc. enters in the switch box easily on-site, and cement mortar, rainwater also infiltrate or touch the live part of switch box easily.Because this switch box is imported and exported the naked protection, cable scratches easily, causes the accident, and this is a big hidden danger of job site.
Summary of the invention
In order to solve the problem that exists in the above-mentioned technology, the purpose of this utility model provides a kind of national safety supervision department that meets to construction switch box class safety protection standard, and improves the construction switch box protective sheets for in/out ports of degree of protection.
For achieving the above object; the technical solution adopted in the utility model provides a kind of construction switch box protective sheets for in/out ports; wherein: the substrate of this screening glass is the plastic cement square plate; central part at substrate has through wires hole, is provided with equally spaced many radial slits along the circumference of through wires hole.
The width in described slit is the 0.5-2 millimeter.
The length in described slit is the distance between the end points from the through wires hole to the slit, is less than or equal to 1/4 of whole substrate width.
Described slit is that the center is symmetrical arranged with the through wires hole.
In the portion of the limit of described substrate, be provided with installing hole.
Effect of the present utility model is to adopt this switch box protective sheets for in/out ports to be contained in the bottom of switch box; convenient turnover connects cable; solved and easily advanced other foreign material and cable scratches easily; this hidden danger that causes the accident; overcome switch box and passed in and out the deficiency that lead all adopts lower box (bottom) perforate mode, made things convenient for site staff's wiring.At the wire inlet-outlet fixing cord frame that has been welded, former case shell degree of protection is IPX3, has reached IP43 after having adopted these measures, has reached the advanced level that national standard requires.
Description of drawings
Fig. 1 is a structural front view of the present utility model;
Fig. 2 is a section of structure of the present utility model.
Embodiment
Reaching embodiment in conjunction with the accompanying drawings is illustrated construction switch box protective sheets for in/out ports of the present utility model.
As shown in Figure 1, 2, the substrate of construction switch box protective sheets for in/out ports of the present utility model is a plastic cement square plate 1, has through wires hole 2 at the central part of substrate 1, is provided with equally spaced many radial slits 3 along the circumference of through wires hole 2.The width in slit 3 is the 0.5-2 millimeter, and its length is for the distance 3 the end points is less than or equal to 1/4 of whole substrate 1 width from through wires hole 2 to the slit.Simultaneously, slit 3 is that the center is symmetrical arranged with through wires hole 2.In the one of the limit of described substrate 1, be provided with installing hole 4.
Construction switch box protective sheets for in/out ports of the present utility model is achieved in that to be selected plastic material compacting for use or is cut into the square substrate, has installing hole in four corner portions of substrate.Central part at substrate has through wires hole, is provided with equally spaced many radial slits along the circumference of through wires hole, and the slit is that the center is symmetrical arranged with the through wires hole.The length in slit is the distance between the end points from the through wires hole to the slit, is less than or equal to 1/4 of whole substrate 1 width.By screw the switch box protective sheets for in/out ports that makes is contained on the bottom of switch box, cable no matter can both smooth and easyly pass by thickness, and seal the bottom; add at the wire inlet-outlet fixing cord frame that has been welded; cable is securely fixed on the switch box, does not produce and rock, loosening.Improve degree of protection greatly, reached the advanced level of the national standard requirement of IP43.
Claims (5)
1, a kind of construction switch box protective sheets for in/out ports; it is characterized in that: the substrate of this screening glass is plastic cement square plate (1); central part at substrate (1) has through wires hole (2), is provided with equally spaced many radial slits (3) along the circumference of through wires hole (2).
2, according to the described construction switch box of claim 1 protective sheets for in/out ports, it is characterized in that: the width of described slit (3) is the 0.5-2 millimeter.
3, according to the described construction switch box of claim 1 protective sheets for in/out ports, it is characterized in that: the length of described slit (3) is less than or equal to 1/4 of whole substrate (1) width for from through wires hole (2) to the distance the end points of slit (3).
4, according to the described construction switch box of claim 1 protective sheets for in/out ports, it is characterized in that: described slit (3) are that the center is symmetrical arranged with through wires hole (2).
5, according to the described construction switch box of claim 1 protective sheets for in/out ports, it is characterized in that: in the limit portion of described substrate (1), be provided with installing hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420028522 CN2689540Y (en) | 2004-03-15 | 2004-03-15 | Protective sheets for in/out ports of power supply distributing box on construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420028522 CN2689540Y (en) | 2004-03-15 | 2004-03-15 | Protective sheets for in/out ports of power supply distributing box on construction site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2689540Y true CN2689540Y (en) | 2005-03-30 |
Family
ID=34670259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420028522 Expired - Fee Related CN2689540Y (en) | 2004-03-15 | 2004-03-15 | Protective sheets for in/out ports of power supply distributing box on construction site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2689540Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976808A (en) * | 2010-07-16 | 2011-02-16 | 梁云清 | Cable protection connection structure |
| CN104953483A (en) * | 2015-06-12 | 2015-09-30 | 国网上海市电力公司 | Emergency power supply vehicle switch cabinet for preventing foreign matters from entering |
-
2004
- 2004-03-15 CN CN 200420028522 patent/CN2689540Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976808A (en) * | 2010-07-16 | 2011-02-16 | 梁云清 | Cable protection connection structure |
| CN101976808B (en) * | 2010-07-16 | 2012-05-30 | 梁云清 | Cable protection connection structure |
| CN104953483A (en) * | 2015-06-12 | 2015-09-30 | 国网上海市电力公司 | Emergency power supply vehicle switch cabinet for preventing foreign matters from entering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |