CN203103862U - Novel wire cable protection tube - Google Patents
Novel wire cable protection tube Download PDFInfo
- Publication number
- CN203103862U CN203103862U CN 201320057395 CN201320057395U CN203103862U CN 203103862 U CN203103862 U CN 203103862U CN 201320057395 CN201320057395 CN 201320057395 CN 201320057395 U CN201320057395 U CN 201320057395U CN 203103862 U CN203103862 U CN 203103862U
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- Prior art keywords
- trough
- protection tube
- wire
- strengthening rib
- circuit
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Abstract
The utility model provides a novel wire cable protection tube. A cross section of a protection tube wall along an electrical line harness axial direction is corrugated shapes which are loops comprising peaks and troughs. The loops are continuous and uniform and are arranged in a parallel way. The width of a trough c is larger than the width b of a peak, and a strengthening rib e is added at the trough c. The strengthening rib e is a circular shape. The strengthening rib e and the trough c of the loop are coaxial, and the strengthening rib e is attached to the outer surface of the trough c. According to the novel wire and cable protection tube, a problem that a protection layer at the surface of a circuit wire is worn out after there is friction between a harness and a protection tube in the assembly process of an electric circuit and an electric wire is subjected to high frequency vibration and collision and frequent friction in the use process of various carrying tools in the prior art is solved, and a problem that the wire cable is damaged due to that the protection tube is bended and deformed in the assembly process or a delivery process of the electric circuit to cause the compression of harness is solved.
Description
Technical field
The utility model relates to a kind of protecting pipe, relates in particular to a kind of protecting pipe of protecting electric appliance circuits.
Background technology
Because the generation friction that wire harness and protection tube can be frequent in assembling process of the various electric appliance circuits of delivery vehicle, and delivery vehicle in use the electrical equipment electric wire often be subjected to the high-frequency shock impacts, therefore need to use bellows protection electric appliance circuits.
Traditional protection tube; the trough structure all compares projection and irregular in its pipe; as illustrated in fig. 1 and 2; the bellows trough is smaller with wire harness surface contact area in the pipe like this; delivery vehicle is in assembling and transportation so; electric appliance circuits is subjected to the high-frequency vibrations can make the inside trough of common bellows that the wire harness surface is produced big pressure and frictional force on unit are; PVC electric wire epidermis through wire harness after the long-time collision can wear and tear gradually; the wire harness metal wire can expose like this; if metal wire exposes; can cause the various electrical equipment of delivery vehicle to be short-circuited or between electrical equipment be short-circuited, jeopardize the safety of delivery vehicle.
In order to address the above problem; people redesign the structure of protection tube; disclosed technical scheme in the document as the patent No. 200820056811.3; shown in Fig. 3 and 4; do not changing under the situation of protection tube external diameter, interior warp as far as possible; the crest of design and change bellows and the structure between the trough; this protection tube tube wall is for being bellows-shaped along electric appliance circuits wire harness axis direction cross section; this bellows-shaped is the circuit that comprises crest, trough; this circuit is for continuously, uniformly and be and be arranged in parallel, and promptly crest, trough, reinforcement are and are arranged in parallel.Though technique scheme can effectively solve wire harness that electric appliance circuits occurs in assembling process and protection tube produce friction and various delivery vehicle in use the electrical equipment electric wire be subjected to high-frequency shock impacts and frequent friction back to gall the PVC protective layer of line wires epidermis; thereby the disadvantage and the defective that cause various dangerous accidents to take place after causing line short and opening circuit; but still there is weak point; in assembling process He in the delivery process protection tube flexural deformation appears easily such as electric appliance circuits; and then the compressing wire harness, cause the impaired problem of electric wire.
Summary of the invention
The purpose of this utility model provides a kind of New-style electrical wire cable protection pipe; not only solved wire harness that electric appliance circuits that prior art exists occurs in assembling process and protection tube produce friction and various delivery vehicle in use the electrical equipment electric wire be subjected to high-frequency shock impacts and frequent friction back to gall the protective layer of line wires epidermis; and solved because of electric appliance circuits and occurred protection tube flexural deformation in assembling process or in the delivery process; cause the compressing wire harness, and then make the impaired problem of electric wire.
The technical solution of the utility model: a kind of New-style electrical wire cable protection pipe; this protection tube tube wall is being a bellows-shaped along the cross section on the electric appliance circuits wire harness axis direction; described bellows-shaped is the circuit that comprises crest and trough; described circuit is for continuously, uniformly and be and be arranged in parallel; the width of trough c is greater than the width b of crest, and increase has reinforcement e at trough c place.
Described reinforcement e is circular, and is coaxial with the trough c of circuit, and is attached on the outer surface of trough c.
The beneficial effects of the utility model: the technical program is by narrowing down crest, trough is widened, thereby the bellows inwall is increased with the area of wire harness surface contact in the pipe, and then make the pressure of wire harness surface unit area reduce, the final degree of wear that reduces electric wire, the useful life of having improved wire harness; Increase reinforcement by between crest and crest, being positioned at the trough place; it is circular that reinforcement is; its outer surface is designed to arc shape; its inner surface is designed to parallel shape, thereby the outside consistency and elasticity of whole bellows is strengthened, and portion is milder in the bellows; therefore be not easy to deform; avoided electric appliance circuits protection tube flexural deformation to occur in assembling process or in the delivery process, caused the compressing wire harness, and then made the impaired problem of electric wire.
Description of drawings
Fig. 1 is the structural representation one of existing protection tube.
Fig. 2 is the enlarged drawing at X position among Fig. 1.
Fig. 3 is the structural representation two of existing protection tube.
Fig. 4 is the enlarged drawing at X position among Fig. 3.
Fig. 5 is this practical structural representation.
A is a protection tube ripple wavelength among Fig. 2, and b is that protection tube ripple ripple is wide, and s is the protection tube wall thickness.
A is a protection tube ripple wavelength among Fig. 4, and b is that protection tube ripple ripple is wide, and c is protection tube trough place, and S is the protection tube wall thickness.
A is a protection tube ripple wavelength among Fig. 5, and b is that protection tube ripple ripple is wide, and c is protection tube trough place, and S is the protection tube wall thickness, and e is the protection tube reinforcement.
Embodiment
As shown in Figure 5; a kind of New-style electrical wire cable protection pipe; this protection tube tube wall is being a bellows-shaped along the cross section on the electric appliance circuits wire harness axis direction; described bellows-shaped is the circuit that comprises crest and trough; described circuit is for continuously, uniformly and be and be arranged in parallel; the width of trough c is greater than the width b of crest, and increase has reinforcement e at trough c place.
Described reinforcement e is circular, and is coaxial with the trough c of circuit, and is attached on the outer surface of trough c.
Claims (2)
1. New-style electrical wire cable protection pipe; this protection tube tube wall is being a bellows-shaped along the cross section on the electric appliance circuits wire harness axis direction; described bellows-shaped is the circuit that comprises crest and trough; described circuit is for continuously, uniformly and be and be arranged in parallel; it is characterized in that: the width of trough c is greater than the width b of crest, and increase has reinforcement e at trough c place.
2. a kind of New-style electrical wire cable protection pipe as claimed in claim 1 is characterized in that: described reinforcement e is circular, and is coaxial with the trough c of circuit, and is attached on the outer surface of trough c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320057395 CN203103862U (en) | 2013-02-01 | 2013-02-01 | Novel wire cable protection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320057395 CN203103862U (en) | 2013-02-01 | 2013-02-01 | Novel wire cable protection tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103862U true CN203103862U (en) | 2013-07-31 |
Family
ID=48855239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320057395 Expired - Fee Related CN203103862U (en) | 2013-02-01 | 2013-02-01 | Novel wire cable protection tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472547A (en) * | 2013-08-20 | 2013-12-25 | 国家电网公司 | Protective casing tube for optical cable |
-
2013
- 2013-02-01 CN CN 201320057395 patent/CN203103862U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472547A (en) * | 2013-08-20 | 2013-12-25 | 国家电网公司 | Protective casing tube for optical cable |
| CN103472547B (en) * | 2013-08-20 | 2015-07-01 | 国家电网公司 | Protective casing tube for optical cable |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20160201 |