CN201780810U

CN201780810U - Composite flexible copper stranded wire

Info

Publication number: CN201780810U
Application number: CN2010202811840U
Authority: CN
Inventors: 许四龙
Original assignee: KUNSHAN QIPU ELECTRIC BRUSH WIRE CO Ltd
Current assignee: KUNSHAN QIPU ELECTRIC BRUSH WIRE CO Ltd
Priority date: 2010-08-03
Filing date: 2010-08-03
Publication date: 2011-03-30
Anticipated expiration: 2020-08-03

Abstract

The utility model relates to a composite flexible copper stranded wire which sequentially comprises an inner core, outer cores and an outer skin layer. The inner core is connected with the outer cores in a stranding way. The number of the outer cores is at least one. A middle protective layer is arranged between the external surface of the outer cores and the outer skin layer. Each outer core comprises an outer core main wire and outer core auxiliary wires which are connected with the outer core main wire in a stranding way. The number of the outer core auxiliary wires is at least two. An outer core sleeve is arranged on the external surface of the outer core auxiliary wires. An inner core lubricating layer and an inner core protective layer are arranged between the inner core and the outer cores. The inner core comprises an inner core main wire and inner core auxiliary wires which are connected with the inner core main wire in a stranding way. The number of the inner core auxiliary wires is at least two. The inner core main wire comprises a conducting layer and a supporting layer, wherein the supporting layer is arranged in the conducting layer and the external part of the conducting layer is connected with the inner core auxiliary wires in a stranding way. The utility model has the advantages of not only high compression resistance, high wear resistance, high heat resistance and high humidity resistance but also high flexibility and high strength.

Description

A kind of compound annealed copper strand wire

Technical field

The utility model relates to a kind of annealed copper strand wire, relates in particular to a kind of compound annealed copper strand wire, specifically is applicable to electrical equipment and electrical and electronic component wiring usefulness.

Background technology

The annealed copper strand wire that motor, electrical equipment, instrument, electrical and electronic component wiring use that is used for that uses at present mostly is common enamel-cover annealed copper strand wire, this kind enamel-cover annealed copper strand wire only has an insulating barrier at outermost, it is paint film, this layer paint film is not only withstand voltage, resistance to wear is relatively poor, and heat-resisting, moisture-proof is also relatively poor, in use, break easily.

The Chinese patent Granted publication number is CN2641770Y, Granted publication day is that the utility model patent on September 15th, 2004 discloses a kind of heat bonding and directly welds special thick compound enamel-cover copper stranded conductor, this kind heat bonding is directly welded special thick compound enamel-cover copper stranded conductor and is comprised at least two enamel covered wire single lines, single line has two insulating barriers and an external coating, is twisted into the enamel-cover twisted wire by many single lines through high accuracy again.Though this utility model has certain withstand voltage, resistance to wear and heat-resisting, moisture-proof, paint film is difficult for breaking, and only by many stranded the forming of single line, not only pliability is relatively poor for it, and intensity lower, fracture easily.

The utility model content

The purpose of this utility model is to overcome defective and the problem that the pliability that exists in the prior art is relatively poor, intensity is lower, and the compound annealed copper strand wire that a kind of pliability is better, intensity is higher is provided.

For realizing above purpose, technical solution of the present utility model is: a kind of compound annealed copper strand wire, comprise inner core, outer core and exodermis successively, described inner core is connected with outer core is stranded, and the quantity of outer core is at least one, and the outer surface of outer core is set with exodermis, described outer core comprises the outer core main line and outer core by-pass of stranded connection, outer core main line outside between the core by-pass, the quantity of outer core by-pass is at least two, the outer surface of outer core by-pass is provided with outer core retainer plate; Be provided with the inner core protective layer between described inner core and the outer core.

The quantity of described outer core by-pass is three to five.

Be provided with intermediate protective layer between described outer core and the exodermis.

Be provided with the inner core lubricating layer between described inner core and the inner core protective layer.

Described inner core comprises the inner core main line and the inner core by-pass of stranded connection, and the inner core main line is between the inner core by-pass, and the quantity of inner core by-pass is at least two, and the outer surface of inner core by-pass is provided with inner core lubricating layer or inner core protective layer.

The quantity of described inner core by-pass is three to five.

Described inner core main line comprises conductive layer and supporting layer, and the inside of conductive layer is provided with supporting layer, and the outside of conductive layer is connected with the inner core by-pass is stranded.

Compared with prior art, the beneficial effects of the utility model are:

1. because a kind of compound annealed copper strand wire of the utility model comprises the inner core and outer core of stranded connection, the quantity of outer core is at least one, and inner core is connected with the inner core by-pass is stranded by the inner core main line, outer core is by outer core main line and outer stranded connection of core by-pass, and the inner core by-pass all is at least two with the quantity of outer core by-pass, not only can guarantee good electrical conductivity, and stranded by between the inner core, outer core, and the stranded syndeton of their inside, make and the utlity model has bigger pliability, break-in easily in the use, the scope of application is wider.Therefore pliability of the present utility model is better.

2. owing to not only comprise the stranded syndeton of the inner core of stranded connection, outer core and inner core, outer in-core portion in a kind of compound annealed copper strand wire of the utility model, and the inside of inner core main line is provided with supporting layer, this supporting layer mainly is made of steel wire, the higher material of alloy wire equal strength, thereby guaranteeing under the flexible prerequisite, improve intensity of the present utility model, frangibility not in the use.Therefore intensity of the present utility model is higher.

Since in a kind of compound annealed copper strand wire of the utility model not only inner core and outside be provided with the inner core protective layer between the core; be provided with intermediate protective layer between outer core and the exodermis; and between inner core and inner core protective layer, be provided with the inner core lubricating layer; the outer surface of outer core by-pass is provided with outer core retainer plate; in the use; not only can guarantee withstand voltage between the compound annealed copper strand wire and the external world; resistance to wear and heat-resisting; moisture-proof; but also can guarantee between inner core and the outer core; withstand voltage between outer core and the exodermis; resistance to wear and heat-resisting; moisture-proof, thus improve useful life of the present utility model.Therefore the utility model is not only withstand voltage, resistance to wear is stronger, and heat-resisting, moisture-proof is better.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of the utility model China and foreign countries core.

Fig. 3 is the structural representation of inner core in the utility model.

Among the figure: exodermis 1, inner core 2, inner core main line 21, inner core by-pass 22, conductive layer 23, supporting layer 24, outer core 3, outer core main line 31, outer core by-pass 32, outer core retainer plate 33, inner core protective layer 4, intermediate protective layer 5, inner core lubricating layer 6.

Embodiment

Below in conjunction with description of drawings and embodiment the utility model is described in further detail

Referring to Fig. 1; a kind of compound annealed copper strand wire; comprise inner core 2, outer core 3 and exodermis 1 from inside to outside successively; inner core 2 with its around around 3 stranded connections of outer core; the quantity of outer core 3 is at least one, and the outer surface of a plurality of outer cores 3 is set with exodermis 1 jointly, can be provided with intermediate protective layer 5 between outer core 3 and the exodermis 1; this intermediate protective layer 5 can be various insulating material, as resin etc.

Referring to Fig. 2, outer core 3 comprises the outer core main line 31 and outer core by-pass 32 of stranded connection, and outer core main line 31 is twined by outer core by-pass 32, and the quantity of outer core by-pass 32 is at least two, and core retainer plate 33 outside the outer surface of core by-pass 32 is set with jointly outside a plurality of; The quantity of preferred outer core by-pass 32 is three to five.

Be provided with inner core protective layer 4 between preferred inner core 2 and the outer core 3, be provided with inner core lubricating layer 6 between inner core 2 and the inner core protective layer 4.

Referring to Fig. 3, inner core 2 comprises the inner core main line 21 and inner core by-pass 22 of stranded connection, inner core main line 21 is between inner core by-pass 22, and promptly inner core main line 21 is at least two inner core by-pass 22 by quantity and centers on, and is provided with inner core lubricating layer 6 or inner core protective layer 4 at the outer surface of inner core by-pass 22; The quantity of preferred inner core by-pass 22 is three to five.

Preferred inner core main line 21 is a layer structure, comprises outside conductive layer 23 and inner supporting layer 24, the outside of

conductive layer

23 and 22 stranded connections of inner core by-pass, and supporting layer 24 can be the higher steel wire of hardness, alloy wire etc.

Therefore the utility model is not only withstand voltage, resistance to wear is stronger, heat-resisting, moisture-proof is better, and pliability is better, intensity is higher.

The above only is a better embodiment of the present utility model; protection range of the present utility model does not exceed with above-mentioned execution mode; as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection range of putting down in writing in claims.

Claims

1. compound annealed copper strand wire, comprise inner core (2), outer core (3) and exodermis (1) successively, described inner core (2) and stranded connection of outer core (3), the quantity of outer core (3) is at least one, and the outer surface of outer core (3) is set with exodermis (1), it is characterized in that: described outer core (3) comprises the outer core main line (31) and outer core by-pass (32) of stranded connection, outer core main line (31) is positioned between the outer core by-pass (32), the quantity of outer core by-pass (32) is at least two, and the outer surface of outer core by-pass (32) is provided with outer core retainer plate (33); Be provided with inner core protective layer (4) between described inner core (2) and the outer core (3).

2. a kind of compound annealed copper strand wire according to claim 1 is characterized in that: the quantity of described outer core by-pass (32) is three to five.

3. a kind of compound annealed copper strand wire according to claim 1 and 2 is characterized in that: be provided with intermediate protective layer (5) between described outer core (3) and the exodermis (1).

4. a kind of compound annealed copper strand wire according to claim 3 is characterized in that: be provided with inner core lubricating layer (6) between described inner core (2) and the inner core protective layer (4).

5. a kind of compound annealed copper strand wire according to claim 4; it is characterized in that: described inner core (2) comprises the inner core main line (21) and inner core by-pass (22) of stranded connection; inner core main line (21) is positioned between the inner core by-pass (22); the quantity of inner core by-pass (22) is at least two, and the outer surface of inner core by-pass (22) is provided with inner core lubricating layer (6) or inner core protective layer (4).

6. a kind of compound annealed copper strand wire according to claim 5 is characterized in that: the quantity of described inner core by-pass (22) is three to five.

7. according to claim 5 or 6 described a kind of compound annealed copper strand wires, it is characterized in that: described inner core main line (21) comprises conductive layer (23) and supporting layer (24), the inside of conductive layer (23) is provided with supporting layer (24), the outside of conductive layer (23) and stranded connection of inner core by-pass (22).