CN202259721U

CN202259721U - Maintenance-free C-shaped connecting wire clip

Info

Publication number: CN202259721U
Application number: CN2011203977053U
Authority: CN
Inventors: 郑哲
Original assignee: HEFEI GULIFA ELECTRIC CO Ltd; Gulifa Group Co Ltd
Current assignee: GULIFA ELECTRICAL CO., LTD.; Gulifa Group Co Ltd
Priority date: 2011-10-19
Filing date: 2011-10-19
Publication date: 2012-05-30
Anticipated expiration: 2021-10-19

Abstract

The utility model discloses a maintenance-free C-shaped connecting wire clip, which mainly comprises an outer limiting component with a 'C'-shaped cross section, an inner wedge with wire casings and backstop teeth, a backstop limiting clamp, rivets and a clamp ring, wherein the outer limiting component and the inner wedge longitudinally form wedge shapes with an identical included angle; when moving inwards along the included angle, the inner wedge can clamp two conducting wires between the wire casings of the inner wedge and wire casings of the outer limiting component; one end of the backstop limiting clamp is riveted on one side of the outer limiting component by the rivet, and can rotate about the rivet; a waist-shaped hole is formed in the other end of the backstop limiting clamp; the clamp ring is riveted to the other side of the outer limiting component by the other rivet in a waist shape, and can rotate; after passing through the clamp ring, the backstop limiting clamp can be prevented from being separated from the clamp ring by rotating the clamp ring; when the outer limiting component is stressed and opened to a certain degree, the clamp ring blocks and prevents the backstop limiting component from being opened excessively, and gives an indication; a backstop tongue of the backstop limiting clamp clamps the teeth in a backstop groove of the inner wedge, so that the inner wedge can be prevented from moving back to further prevent the loosening of the pressed conducting wires from causing poor connection; and the 'C'-shaped outer limiting component can be expanded with heat and contracted by cold along with the conducting wires to press tightly the conducting wires all the time. Compared with the prior art, the maintenance-free C-shaped connecting wire clip has the advantages of simple structure, convenience for mounting, capabilities of giving an indication that the outer limiting component is opened enough and preventing the inner wedge from being loosened, applicability to a wide range of conducting wires, no need of maintenance and the like.

Description

A kind of non-maintaining C type connecting clip

Technical field

The utility model relates to a kind of connecting clip; Belong to non-bearing connector field in the electric power networking; According to our called after " non-maintaining C type connecting clip " of its design feature, this wire clamp is specially adapted to that main line continues with the wire jumper that the offset of sub-line is connected between work and the main line in the electric power networking.

Background technology

Existing electric power has various connecting clips in the networking, and commonly used have a parallel groove clamp, it is characterized in that utilizing bolt and clamping plate directly lead to be clamped, loosening easily.Also have a kind of C type connecting clip, be made up of the interior wedge of outer limit element of the C type that is tapering and wedge type, install with the specific purpose tool that explosive is housed, extremely inconvenience is installed, and the lead scope that is suitable for is little, model specification is many.China's utility model patent " a kind of wedge type automatic locking principal vertical line folder " (ZL200620096465.2) has been introduced a kind of improved wedge type automatic locking principal vertical line and has been pressed from both sides; It is characterized in that the zigzag self-locking back stop slot that snaps in the locking tongue is arranged at C type element top or chock bottom; The locking tongue other end has shell fragment or spring; The other end of shell fragment or spring has screw, and the locking tongue is arranged in the locking hole of C type element or chock.Though this utility model patent have prevent in the loosening effect of wedge, have complex structure, the indication that do not put in place when installing, will cause shortcoming such as stopping effect inefficacy like screw loosening.

Summary of the invention

The utility model provides a kind of improved non-maintaining C type connecting clip, has possessed simple in structure, easy for installation and provides the indication that puts in place, is suitable for advantages such as the lead scope is big, anti-loosening and non-maintaining.

The technical measures of implementing the utility model non-maintaining C type connecting clip above-mentioned purpose and adopting are described below: this non-maintaining C type connecting clip comprises that a cross section is the spacing card of interior wedge 2, the stopping of the outer limit element 1 of " C " shape, band wire casing and anti-back tooth 3, snap ring 6,

rivet

4 and 5; It mainly is outer limit element 1 and interior wedge 2 at the wedge type that vertically is equal angular, when interior wedge 2 when this angle moves inward, can clamp interior wedge line groove 21 and outside two leads between the limit element wire casing 11; The outer limit element 1 of " C " shape can expand with heat and contract with cold with lead, compresses lead all the time.Spacing card 3 one ends of stopping are riveted on a side of outer limit element 1 by rivet 4 and can are that rotate at the center with rivet 4; The other end has a mounting hole 32; The axle sleeve that snap ring 6 is waist type boss is also turned by the opposite side that another rivet 5 is riveted on outer limit element 1; After the spacing card 3 of stopping passes, rotate snap ring 6 and can stop the spacing card 3 of stopping to be deviate from, outer limit element 1 is stressed when opening up into to a certain degree, and snap ring has been lived the spacing card 3 of stopping for 6 grades, prevents that outer limit element 1 from opening excessive and provided indication; The locking tooth 22 of wedge in the stopping tongue 33 of the spacing card 3 of stopping blocks, wedge 1 is retreated and is caused that line ball is loosening to cause bad connection in can preventing.

The length of the interior wedge 2 of said non-maintaining C type connecting clip is longer than the length of outer limit element 1, and interior wedge 2 can move inward long distance by external mutually limit element 1 along the wedge type angle along directions X, thereby clamps the lead of different-diameter; One end of interior wedge 2 is provided with the abundant anti-back tooth 22 vertical with interior wedge moving direction, can both prop up the stopping tongue 33 on the spacing card 3 of stopping in different positions, and wedge is retreated in preventing.

Can know that from above-mentioned improvement compared with present technology the present technique scheme has following advantage:

1, simple in structure, easy for installation and be given to bit flag;

2, suitable lead scope is big;

3, wire clamp is the C type and expands with heat and contract with cold with lead and compress lead all the time;

4, prevent that interior wedge is loosening, non-maintaining.

Description of drawings

Fig. 1 is the front view of the non-maintaining C type of the utility model connecting clip one embodiment.

Fig. 2 is that the A-A of Fig. 1 is to cutaway view.

Fig. 3 is that the B-B of Fig. 1 is to cutaway view.

Fig. 4 is the front view of the spacing card of stopping.

Front view when Fig. 5 is not in place for the non-maintaining C type of the utility model connecting clip.

Fig. 6 and Fig. 7 are respectively front view and the B-B of another embodiment of the non-maintaining C type of the utility model connecting clip to cutaway view.

Embodiment

Can know that by Fig. 1, Fig. 2 and Fig. 3 the non-maintaining C type of the utility model connecting clip is formed by mainly being the spacing card of interior wedge 2, the stopping of outer limit element 1, band wire casing and locking tooth of " C " shape 3, snap ring 6,

rivet

4 and 5 by cross section.The cross section of said outer limit element 1 is " C " shape, and the inboard, two ends is the wire casing 11 of circular arc type; The both sides of wedge 2 are similarly the wire casing 21 of circular arc type in said; Said outer limit element 1 vertically is being the wedge type that equal angular is α with interior wedge 2.One end of the spacing card 3 of said stopping is riveted on a side of outer limit element 1 by rivet 4, and said snap ring 6 is riveted on the opposite side of outer limit element 1 by rivet 5, and snap ring 6 can pass the waist-shaped hole 32 of spacing card 3 other ends of stopping the spacing card 3 of stopping is fixed; The spacing card 3 of stopping is provided with a stopping tongue 33, and interior wedge 2 is provided with a row and stopping tongue 33 corresponding anti-back teeth 22.Formed such structure thus; During wiring two leads are put into respectively between the wire casing at outer limit element 1 and wedge 2 two ends of " C " shape; When interior wedge 2 inwardly when directions X moves, can clamp along the wedge type angle interior wedge line groove 21 and outside two leads between the limit element wire casing 11, and stopping tongue 33 block anti-back tooth 22 prevent in wedge 2 retreat and cause line ball loosening.The outer limit element 1 of " C " shape can expand with heat and contract with cold with lead, compresses lead all the time.

Can be learnt further that by Fig. 2, Fig. 4 and Fig. 5 it can be that rotate in the axle center with rivet 4 also by the side that rivet 4 is riveted on outer limit element 1 that spacing card 3 one ends of the stopping of the non-maintaining C type of the utility model connecting clip are provided with hole 31, the other end is provided with waist-shaped hole 32; Said snap ring 6 is the axle sleeve that an end is waist type boss, and the opposite side that is riveted on outer limit element 1 by rivet 5 can be that rotate in the axle center with rivet 5 also; When the waist type direction of snap ring 6 is consistent with waist-shaped hole 32 directions on the spacing card 3 of stopping, can pass waist-shaped hole 32, rotate the waist type direction of snap ring 6, can the spacing card 3 of stopping be fixed; When the effect of wedge 2 outwards opened up into to a certain degree in outer limit element 1 receives, snap ring 6 was held by the spacing card 3 of stopping, stoped outer limit element 1 to continue to open, and the prompting installation puts in place.

Can further learn by Fig. 3; The spacing card 3 of stopping of the non-maintaining C type of the utility model connecting clip is provided with a stopping tongue 33; Interior wedge 2 is provided with a row and stopping tongue 33 corresponding anti-back teeth 22; Stopping tongue 33 tiltedly heads on anti-back tooth 22, and wedge 2 inwardly moves along directions X along the wedge type angle in can allowing, and interior wedge 2 stops because of anti-back tooth 22 is blocked by stopping tongue 33 when retreating.The opposite side of the spacing card 3 of stopping is provided with a supporting leg 34, and anti-back tooth 22 will head on stopping tongue 33 and make its generation distortion when interior wedge 2 is retreated, and supporting leg 34 end support play the effect that stops stopping tongue 33 and spacing card 3 distortion of stopping on interior wedge 2.

Can further learn in conjunction with Fig. 3 and Fig. 5; The length of the interior wedge 2 of the non-maintaining C type of the utility model connecting clip is longer than the length of outer limit element 1; Interior wedge 2 can move inward long distance by external mutually limit element 1 along the wedge type angle along directions X, thereby clamps the lead of different-diameter; One end of interior wedge 2 is provided with the abundant anti-back tooth 22 vertical with interior wedge moving direction, can both prop up the stopping tongue 33 on the spacing card 3 of stopping in different positions, and wedge is retreated in preventing.

Can know by Fig. 6 and Fig. 7; Another embodiment of the non-maintaining C type of the utility model connecting clip is provided with a stopping tongue 33 for spacing card 3 one sides of its stopping; Opposite side is not provided with supporting leg 34, relies on spacing card 3 to be fixed with outer limit element 1 by rivet 4 and snap ring 6 and rivet 5, simplifies the structure.

Can know as stated; The non-maintaining C type of the utility model connecting clip with said structure characteristics; Compared with present technology, have simple in structure, easy for installation and be given to bit flag, be suitable for the lead scope big, expand with heat and contract with cold, prevent with lead in advantages such as wedge is loosening, non-maintaining.

The non-maintaining C type of the utility model connecting clip is only explained some preferred embodiments in this manual, is not to its restriction.This professional and technical personnel can structurally make various variations or modification according to the utility model inventive concept and spirit, for example can design corresponding insulation overcoat etc. by said structure.Therefore these must belong to the protection range of the utility model.

Claims

1. a non-maintaining C type connecting clip is characterized in that, its formation comprises that cross section is interior wedge (2), the spacing card of stopping (3), rivet (4) (5) and the snap ring (6) of the outer limit element (1) of " C " shape, band wire casing and locking tooth; The cross section of said outer limit element (1) is " C " shape, and the inboard, two ends is the wire casing (11) of circular arc type; The both sides of wedge (2) are similarly the wire casing (21) of circular arc type in said; Said outer limit element (1) and interior wedge (2) are at the wedge type that vertically is equal angular; One end of the spacing card of said stopping (3) is riveted on a side of outer limit element (1) by rivet (4); Said snap ring (6) is riveted on the opposite side of outer limit element (1) by rivet (5), and snap ring (6) can pass the waist-shaped hole (32) of the spacing card of stopping (3) other end the spacing card of stopping (3) is fixed; The spacing card of stopping (3) is provided with a stopping tongue (33), and interior wedge (2) is provided with a row and the corresponding anti-back tooth of stopping tongue (33) (22); Formed such structure; Promptly when interior wedge (2) when the wedge type angle moves inward, can clamp be positioned at wedge line groove (21) and outside two leads between the limit element wire casing (11), and stopping tongue (33) blocks anti-back tooth (22) and prevents that interior wedge (2) from retreating and cause line ball loosening.

2. non-maintaining C type connecting clip according to claim 1; It is characterized in that: it can be that rotate in the axle center with rivet (4) also by the side that rivet (4) is riveted on outer limit element (1) that spacing card (3) one ends of said stopping are provided with hole (31), and the other end is provided with waist-shaped hole (32); Said snap ring (6) is the axle sleeve that an end is waist type boss, and the opposite side that is riveted on outer limit element (1) by rivet (5) can be that rotate in the axle center with rivet (5) also; Waist-shaped hole (32) on the waist type direction of snap ring (6) and the spacing card of stopping (3) can pass waist-shaped hole (32) when direction is consistent, rotates the waist type direction of snap ring (6), can the spacing card of stopping (3) be fixed; When outer limit element (1) received the effect of interior wedge (2) outwards to open up into to a certain degree, snap ring (6) was held by the spacing card of stopping (3), has stoped outer limit element (1) to continue to open, and the prompting installation puts in place.

3. non-maintaining C type connecting clip according to claim 2; It is characterized in that: the spacing card of stopping (3) is provided with a stopping tongue (33); Interior wedge (2) is provided with a row and the corresponding anti-back tooth of stopping tongue (33) (22); Stopping tongue (33) tiltedly heads on anti-back tooth (22), and wedge (2) moves inward along the wedge type angle in allowing, and interior wedge (2) stops because of anti-back tooth (22) is blocked by stopping tongue (33) when retreating.

4. non-maintaining C type connecting clip according to claim 3; It is characterized in that: spacing card (3) one sides of stopping are provided with a stopping tongue (33); Opposite side is provided with a supporting leg (34); When interior wedge (2) when retreating anti-back tooth (22) will head on stopping tongue (33) and make it produce distortion, supporting leg (34) end support plays the effect that stops stopping tongue (33) and the spacing card of stopping (3) distortion on interior wedge (2).

5. non-maintaining C type connecting clip according to claim 1; It is characterized in that: the length of interior wedge (2) is longer than the length of outer limit element (1); Interior wedge (2) can move inward long distance along the external mutually limit element (1) of wedge type angle, thereby clamps the lead of different-diameter; One end of interior wedge (2) is provided with the abundant anti-back tooth (22) vertical with interior wedge moving direction, can both prop up the stopping tongue (33) on the spacing card of stopping (3) in different positions, and wedge is retreated in preventing.