CN2783720Y

CN2783720Y - Wire pressing clamp for electric appliances

Info

Publication number: CN2783720Y
Application number: CN 200520100801
Authority: CN
Inventors: 蒋国良
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-03-07
Filing date: 2005-03-07
Publication date: 2006-05-24
Anticipated expiration: 2015-03-07

Abstract

The utility model discloses a wire pressing clamp for electric appliances, which is composed of a box cover, a box body, a clamp seat and a clamp strip, wherein the clamp seat in the box body together with the box body is positioned at the inner side of an electric wire inlet and an electric wire outlet; the clamp seat is opened inwards, and both ends are provided with slots; the clamp strip is inserted in the slots of the clamp seat and is movably matched with the slots; the clamp strip is in a door shape, and the middle part of the clamp strip is provided with a crosspiece front and back staggered with a lintel at the rear position; the box cover and the box body are fixedly clamped; concave and convex matching devices are arranged on the four corners in the box cover and the box body; both ends of the box cover and the box body are respectively provided with top and bottom corresponding half wire inlet and outlet holes. The utility model has the advantages of simple structure and effective prevention of pulling displacement of the wire. The utility model is in accordance with the requirements of IEC standard code that an outer shell can not open when bearing the impact of 0.5N. m.

Description

A kind of electrical installation Wire fastener

Technical field

The utility model relates to a kind of Wire fastener that passes in and out electric wire that is used for fixing in the electrical installation.

Background technology

In the various electrical installations that we see on market, all there is one or some to draw electric wire and be not drawn out, line ball or anti-drawing device are set in order to prevent electric wire.The mode of Shi Yonging had in the past: 1. in the inboard of advancing wire hole electric wire is tied a knot; 2. advancing inboard tension disc and the screw used of wire hole.Aforesaid way requires to be fine to the line ball of the turnover electric wire of general electrical installation, but for the turnover electric wire under certain pulling force, the requirement that does not allow to pull out certain-length is implacable.In addition, IEC standard code shell is when being subjected to the 0.5N.m energy impact, and phenomenon can not appear opening in shell.

The utility model content

The purpose of this utility model provides a kind of simple in structure, and tension, line ball are solid and reliable, and shell has the turnover electric wire Wire fastener of the electrical installation of anti-0.5N.m impact capacity.

For addressing the above problem, the technical solution adopted in the utility model is: a kind of electrical installation Wire fastener, by lid, box body, deck and card article are formed, it is characterized in that: deck is that one is positioned at electric wire and imports and exports inboard with box body in box body, there is slot the uncovered inwardly both sides of deck, card article is inserted in both movable cooperations in the deck slot, card article for " door " shape middle part have a crosspiece with after the transom front and back stagger, lid, box body is that cassette is fixed, on four jiaos in lid and box body arranged concavo-convex the cooperation, lid has half corresponding electric wire manhole appendix up and down respectively with the box body two ends.

The beneficial effects of the utility model are: after adopting such structure, the electric wire two ends pass under the card article crosspiece, and transom is walked around on " door " shape outwardly in its upper end, formation S shape, then card article is embedded downwards in the groove of deck, the lid that closes, box body electric wire are promptly by secure lock; On four jiaos in lid and the box body there be concavo-convex the cooperation, make whole ply-yarn drill shell have impact resistance, reach the requirement that IEC standard code shell can not occur opening when being subjected to the 0.5N.m energy impact.Have simple in structurely, fixation is reliable, can prevent effectively that electric wire from being drawn displacement.

Description of drawings

Below in conjunction with the drawings and the specific embodiments the utility model is further described.

Fig. 1 is a sectional structure schematic diagram of the present utility model;

Fig. 2 is the card article schematic diagram.

1. lids among the figure, 2. card article, 3. electric wire, 4. box body, 5. deck, 6. projection, 7. shrinkage pool, 8. transom, 9. crosspiece.

Embodiment

At Fig. 1, shown in Figure 2, deck (5) is imported and exported inboard with box body (4) for one is positioned at electric wire in box body (4), there is slot the uncovered inwardly both sides of deck (5), card article (2) is inserted in both movable cooperations in deck (5) slot, card article (2) for " door " shape middle part have a crosspiece (9) with after transom (8) front and back stagger, lid (1), box body (4) is fixed for cassette, on four jiaos in lid (1) and the box body (4) there be concavo-convex the cooperation, columnar projections (6) on (1) four jiao of the lid is inserted in the corresponding shrinkage pool (7) of (4) four jiaos of box bodys, certainly, also can be that columnar projections (6) on (4) four jiaos of the box bodys is inserted in the corresponding shrinkage pool (7) of (1) four jiao of lid, can make ply-yarn drill possess the ability of resisting certain strength impact like this, meet the regulation that I EC standard code shell can not occur opening when being subjected to the 0.5N.m energy impact; Lid (1) and box body (4) two ends have half corresponding up and down electric wire manhole appendix respectively, fasten the back and form complete electric wire manhole appendix.Worn-out mouthful of width of " door " shape of card article (2) for the width of the electric wire of wearing (3), crosspiece (9) highly equals the diameter of electric wire (3).Electric wire (3) passes under card article (2) crosspiece (7), transom (8) is walked around on " door " shape outwardly in its upper end, form the S shape, then card article (2) is embedded downwards in the groove of deck (5), lid (1), box body (4) again close, at this moment, outwards strain electric wire (3) exposed parts, electric wire (3) is promptly by secure lock.Electric wire termination in the box is used for the connecting box electrical installation, and the outer electric wire termination of box is used for attachment plug or electrical installation.

Equally, said structure can promote the use of three-way or multi-thread situation, and these conversion all fall within the protection range of the present utility model.

Claims

1, a kind of electrical installation Wire fastener, form by lid, box body, deck and card article, it is characterized in that: deck is that one is positioned at electric wire and imports and exports inboard with box body in box body, there is slot the uncovered inwardly both sides of deck, card article is inserted in both movable cooperations in the deck slot, card article for " door " shape middle part have a crosspiece with after the transom front and back stagger, lid, box body are that cassette is fixed, on four jiaos in lid and box body arranged concavo-convex the cooperation, lid has half corresponding electric wire manhole appendix up and down respectively with the box body two ends.