CN219180789U

CN219180789U - Anti-breaking wire harness

Info

Publication number: CN219180789U
Application number: CN202223403888.2U
Authority: CN
Inventors: 杨丹桂
Original assignee: Shanghai Nanshi Technology Co ltd
Current assignee: Shanghai Nanshi Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-13
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses an anti-breaking wire harness, and belongs to the technical field of wire processing. The novel insulating sleeve comprises an insulating sleeve, wherein a filling layer is fixedly connected to the inner side wall of the insulating sleeve, three insulating sleeves and a reinforcing core are fixedly inlaid in the filling layer, and copper wire bundles are fixedly sleeved in the insulating sleeves. According to the utility model, the insulating jacket, the reinforcing core and the fixing block are arranged, when the wire harness is used normally, the insulating jacket is sleeved inside the insulating jacket, the insulating jacket surrounds the reinforcing core in a spiral surrounding mode, and meanwhile, the reinforcing core is fixedly connected with the service equipment body through the fixing block, so that when the wire harness is pulled by external force, the wire harness is subjected to the external force, most of the external force is born by the reinforcing core, the force born by the insulating jacket is greatly reduced to the degree that the expansion offset can be generated through the spiral arrangement, and the purpose that the device can enable the reinforcing core to bear most of the force when the wire harness is pulled by the external force according to needs is achieved.

Description

Anti-breaking wire harness

Technical Field

The utility model relates to an anti-breaking wire harness, and belongs to the technical field of wire processing.

Background

The wire harness is a component for forming a connecting circuit by bundling the wire harness after the contact terminal (connector) which is punched by copper material is in pressure connection with the electric wire and the cable, and an insulator or an external metal shell is molded outside the wire harness, and can be used in the aspects of automobiles, household appliances, computers, communication equipment, various electronic instruments and meters and the like.

The current pencil generally adopts the design that a plurality of wires that wrap up the insulating layer respectively of inside cover of insulating rubber cover, this design is whole when receiving unexpected pulling force of wire harness, at first the atress is outer insulating rubber cover, insulating rubber cover has the effect of stretching, drive inside spiral coiled wire and straighten, make the inside electric wire of insulating rubber cover receive a tensile force, because inside electric wire is the spiral around arranging, inside electric wire can extend, just offset the pulling force of a part outside, but the electric wire that the spiral was encircleed and is arranged is fixed to inlay in insulating rubber cover inside filling layer, its activity degree of freedom is limited, and can not freely stretch, a part pulling force of outside still can concentrate inside electric wire itself, the condition that stress is concentrated in a certain point of electric wire itself is instantaneous, produce destructive stretching to the inside copper beam wire of electric wire, even fracture, the condition that often happens inside electric wire fracture produced circuit just happens so, still a part force can act on the terminal department when whole pencil receives unexpected pulling force, generally, the terminal clamp is received in the outside the terminal clamp in the outside, make the whole wiring harness receive the direct contact force of the whole wiring harness, make the wiring harness receive the external force of the whole wiring harness, the wiring harness is broken, the wiring harness contact force is broken, and the wiring harness is broken directly because the terminal is broken, the whole wiring harness is broken, and the wiring harness is broken.

There is therefore a need to propose a new solution to this problem.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the utility model provides an prevent breaking wire harness, it has solved the general design that adopts the inside cover of an insulating rubber cover to be equipped with many wires that have the insulating layer respectively among the prior art, this design is whole when receiving unexpected pulling force at wire harness, at first the atress is outer insulating rubber cover, insulating rubber cover has the extension effect, drive inside spiral coiled wire and straighten, make the inside electric wire of insulating rubber cover receive a tensile force, because inside electric wire is the spiral and encircles and arrange, inside electric wire can extend, just offset the pulling force of a part outside, but the electric wire that the spiral was encircleed and is fixed to inlay in the filling layer of insulating rubber cover inside, its activity degree of freedom is limited, and can not freely stretch, outside a part pulling force still can concentrate itself at inside electric wire, the circumstances that stress was concentrated at a certain point of electric wire itself, the inside copper wire harness of wire harness inside produces destructive stretching, even fracture of wire harness inside often taking place produces the circumstances that the circuit just so take place, when the pulling force that whole receives the pulling force of wire harness is the spiral is encircled to arrange, inside electric wire harness can act on the terminal, inside electric wire harness can's the terminal clamp, the terminal clamp can be broken in the same place, the direct connection device is pulled in the situation that the wiring harness is had the fact when the terminal clamp is received in the whole, the wiring harness is broken, the wiring harness is directly receives the wiring terminal connection device is broken in the fact, and the wiring harness is had, and the wiring harness is broken device is broken down, and the wiring device is had, and the wiring harness is broken down, and wire harness is connected.

The technical problems to be solved by the utility model are realized by adopting the following technical scheme:

the utility model provides a prevent breaking pencil, includes insulating overcoat, the inside wall fixedly connected with filling layer of insulating overcoat, the inside of filling layer is fixed to be inlayed has three insulating cover and enhancement core, and is three the inside of insulating cover has all been fixed the copper wire bundle of cup jointing.

Through adopting above-mentioned technical scheme, an electric wire has been constituteed to insulating cover and copper wire bundle, fix in the inside of filling layer, arrange around the reinforcing core spiral and encircle, when the outside of pencil received unexpected pulling force, because the reinforcing core is sharp to arrange, outer insulating overcoat receives pulling force at first, then the inside reinforcing core receives outside pulling force, the ductility of reinforcing core is poor, so the reinforcing core receives the pulling force the biggest, the pulling force that the inside electric wire received is just very little, even receive a bit pulling force, also because the electric wire is the spiral and encircles and arrange the extension that can certain degree and offset.

The utility model is further provided with: the right ends of the three copper wire bundles are fixedly connected with connecting pieces, and bolts are connected with the inner parts of the three connecting pieces in a threaded mode.

By adopting the technical scheme, the copper wire bundle consists of copper wires, and the copper wires are kneaded into one piece of sleeved connecting piece for pressing and fixing.

The utility model is further provided with: the right side faces of the three bolts are fixedly connected with binding posts, and rectangular sliding grooves are formed in the three binding posts.

Through adopting above-mentioned technical scheme, the terminal passes through the bolt and is fixed together with the connecting piece.

The utility model is further provided with: the three wiring posts are connected with wiring terminals in a sliding mode through the inner side walls of the rectangular sliding grooves, and the three wiring posts are fixedly connected with springs through the inner bottom walls of the rectangular sliding grooves.

Through adopting above-mentioned technical scheme, binding post is in the same place with the target wiring when normal use, and there is external force conduction to binding post department, and binding post can slide in the inside of terminal, offsets the pulling of external force, and does not influence binding post's wiring state, avoids producing the poor contact.

The utility model is further provided with: the right ends of the three springs are fixedly connected with the left side faces of the wiring terminals, and round holes are formed in the three wiring terminals.

Through adopting above-mentioned technical scheme, the spring makes binding post motion more stable, can not slide at will, only receives when a bit external force, and binding post only takes place slight slip.

The utility model is further provided with: the right side of strengthening the core all fixedly connected with fixed block, the hole has all been seted up to the inside of fixed block.

Through adopting above-mentioned technical scheme, when the wire harness normal use, three binding post is connected with the target wiring, and strengthen the core and be in the same place through fixed block and service equipment's body fixed, when whole wire harness received external force, external force just had an action point, the external force that the wire harness received was born by strengthening the core to the vast majority, and the external insulating overcoat received the power just very tiny, this power just neglected in conduction to binding post, only can make binding post produce slight slip, if strengthen the core and not fix, strengthen the core and just be free state, when whole wire harness received outside pulling force, it is also very limited to strengthen the force that the core bore, can not play tensile effect.

The utility model is further provided with: the outside joint of insulating overcoat has the solid fixed ring, gu the inside grafting of fixed ring has two screws.

By adopting the technical scheme, the fixing ring is a clamp type fixing piece close to the wiring terminal.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the insulating jacket, the reinforcing core and the fixing block are arranged, when the wire harness is used normally, the insulating jacket is sleeved in the insulating jacket, the insulating jacket surrounds the reinforcing core in a spiral surrounding manner, and meanwhile, the reinforcing core is fixedly connected with the service equipment body through the fixing block, so that when the wire harness is pulled by external force, the wire harness is subjected to the external force, most of the external force is born by the reinforcing core, the force born by the insulating jacket is greatly reduced to the degree that the extension counteracts through the spiral arrangement, and the purpose that the device can enable the reinforcing core to bear most of the force when the wire harness is pulled by the external force according to requirements is achieved;

2. according to the wire harness device, the wiring terminal and the spring are arranged, when the wire harness is used normally, the wiring terminal slides in the wiring terminal to compress or stretch the spring, when the wiring terminal receives a tiny tensile force, the wiring terminal can generate a tiny sliding to offset the tensile force, so that the wiring terminal is enabled to pass through the tiny sliding to offset the tensile force when receiving the tiny tensile force, and the purpose that the device can enable the wiring terminal to generate a tiny sliding offset tensile force when receiving the tiny tensile force according to needs to avoid poor contact caused by stress at the wiring position of the wiring terminal is achieved.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model.

Fig. 2 is a schematic elevational view of the present utility model.

Fig. 3 is a schematic view of the three-dimensional structure of the inside of the insulating jacket of the present utility model.

Fig. 4 is an enlarged partial schematic view of the present utility model.

In the figure: 1. an insulating jacket; 2. a fixing ring; 3. a filling layer; 4. a reinforcing core; 5. a fixed block; 6. a copper wire bundle; 7. a connecting piece; 8. binding posts; 9. a connection terminal; 10. an insulating sleeve; 11. a bolt; 12. and (3) a spring.

Detailed Description

The utility model will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, an anti-breaking wire harness comprises an insulating jacket 1, wherein a filling layer 3 is fixedly connected to the inner side wall of the insulating jacket 1, three insulating jackets 10 and a reinforcing core 4 are fixedly embedded in the filling layer 3, copper wire bundles 6 are fixedly sleeved in the three insulating jackets 10, the insulating jackets 10 and the copper wire bundles 6 form a wire, the wire is fixed in the filling layer 3, the wire bundles are spirally wound around the reinforcing core 4, when unexpected tensile force is applied to the outer part of the wire harness, the reinforcing core 4 is linearly arranged, the insulating jacket 1 of the outer layer is firstly subjected to the tensile force, then the reinforcing core 4 of the inner part is subjected to the external tensile force, the ductility of the reinforcing core 4 is poor, the tensile force applied to the reinforcing core 4 is maximum, and even if the wire is subjected to a bit of tensile force, the wire can be extended to a certain extent to offset due to the fact that the wire is spirally wound.

The right ends of the three copper wire bundles 6 are fixedly connected with connecting pieces 7, bolts 11 are connected with the inner parts of the three connecting pieces 7 in a threaded mode, the copper wire bundles 6 are composed of copper wires, and the copper wires are kneaded into the connecting pieces 7 to be pressed and fixed.

The right side of three bolt 11 all fixedly connected with terminal 8, rectangular spout has all been seted up to the inside of three terminal 8, and terminal 8 is in the same place fixed with connecting piece 7 through bolt 11.

The equal sliding connection of inside wall that three terminal 8 passed through the rectangle spout has binding post 9, and the equal fixedly connected with spring 12 of inside bottom wall that three terminal 8 passed through the rectangle spout, and binding post 9 is in the same place with the target wiring when normal use, has external force conduction to binding post 9 department, and binding post 9 can slide in the inside of terminal 8, offsets the pulling of external force, and does not influence binding post 9's wiring state, avoids producing the contact failure.

The right-hand member of three spring 12 all with binding post 9 left surface fixed connection, the round hole has all been seted up to the inside of three binding post 9, and spring 12 makes binding post 9 remove more stably, can not slide at will, only receives when a bit external force, and binding post 9 only takes place slight slip.

The right side of the reinforcing core 4 is fixedly connected with the fixing block 5, holes are formed in the fixing block 5, when the wire harness is normally used, three wiring terminals 9 are connected with a target wiring, the reinforcing core 4 is fixed with the body of the service equipment through the fixing block 5, when the whole wire harness is subjected to external force, the external force is provided with an action point, the external force born by the wire harness is borne by the reinforcing core 4, the external force born by the external insulating jacket 1 and the internal electric wire is very tiny, the force is ignored when being conducted to the wiring terminals 9, only slight sliding of the wiring terminals 9 is generated, if the reinforcing core 4 is not fixed, the reinforcing core 4 is in a free state, and when the whole wire harness is subjected to external tension, the force born by the reinforcing core 4 is very limited, so that the tensile effect is not achieved.

The outside joint of insulating overcoat 1 has solid fixed ring 2, and gu fixed ring 2's inside peg graft has two screws, and gu fixed ring 2 is the clamp class mounting of nearly binding post 9 department.

The implementation principle of the utility model is as follows: when the wire harness is normally used, three wiring terminals 9 are connected with a target wiring, the reinforcing core 4 is fixed with the body of the service equipment through the fixing block 5, when the whole wire harness is subjected to external force, the external force has an action point, the external force born by the wire harness is mostly born by the reinforcing core 4, the external force born by the external insulating jacket 1 and the internal electric wire is very tiny, the force is more negligible when being conducted to the wiring terminals 9, only the wiring terminals 9 can slightly slide, if the reinforcing core 4 is not fixed, the reinforcing core 4 is in a free state, and when the whole wire harness is subjected to external tension, the force born by the reinforcing core 4 is very limited, so that the tensile effect is not achieved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of various changes and modifications without departing from the spirit and scope of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prevent breaking pencil, includes insulating overcoat (1), its characterized in that: the inner side wall fixedly connected with filling layer (3) of insulating overcoat (1), the inside of filling layer (3) is fixed to be inlayed has three insulating cover (10) and enhancement core (4), and is three the inside of insulating cover (10) has all been fixed copper wire bundle (6) of cup jointing.

2. The stretch-break prevention wire harness according to claim 1, wherein: the right ends of the three copper wire bundles (6) are fixedly connected with connecting pieces (7), and bolts (11) are connected with the inner parts of the three connecting pieces (7) in a threaded mode.

3. The stretch-break prevention wire harness according to claim 2, characterized in that: the right side faces of the three bolts (11) are fixedly connected with binding posts (8), and rectangular sliding grooves are formed in the three binding posts (8).

4. A stretch-break prevention wire harness according to claim 3, characterized in that: the three binding posts (8) are all connected with binding posts (9) in a sliding mode through the inner side walls of the rectangular sliding grooves, and the three binding posts (8) are all fixedly connected with springs (12) through the inner bottom walls of the rectangular sliding grooves.

5. The stretch-break prevention wire harness according to claim 4, wherein: the right ends of the three springs (12) are fixedly connected with the left side faces of the wiring terminals (9), and round holes are formed in the three wiring terminals (9).

6. The stretch-break prevention wire harness according to claim 1, wherein: the right side of strengthening core (4) all fixedly connected with fixed block (5), the hole has all been seted up to the inside of fixed block (5).

7. The stretch-break prevention wire harness according to claim 1, wherein: the outer part of the insulating jacket (1) is clamped with a fixing ring (2), and two screws are inserted into the fixing ring (2).