CN216850464U

CN216850464U - Wire harness structure

Info

Publication number: CN216850464U
Application number: CN202122888298.2U
Authority: CN
Inventors: 刘轶; 沈镇江
Original assignee: Everpro Technologies Wuhan Co Ltd
Current assignee: Everpro Technologies Wuhan Co Ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-06-28
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a wire harness structure, which comprises a wire harness and a plastic sleeve which is sleeved on the periphery of the wire harness and can stretch out and draw back along the length direction, wherein two ends of the plastic sleeve are respectively fixed on the wire harness. The wire harness structure provided by the utility model has the advantages of simple overall process, compact structure, low production cost, excellent friction resistance and corrosion resistance, stronger compression resistance and bending resistance, good flame retardance and electrical insulation, safe and flexible use process, and capability of effectively preventing damage to the wire harness caused by adverse environmental influence, thereby improving the service performance and the service life of the wire harness.

Description

Wire harness structure

Technical Field

The utility model relates to the technical field of connecting wires, in particular to a wire harness structure.

Background

The wiring harness is a wiring component which is connected with each electrical equipment in a circuit, consists of an insulating sheath, a wiring terminal, a conducting wire and the like, and is used for connecting and transmitting signals between the equipment. The wire harness has wide application and can be used in the aspects of automobiles, household appliances, computers, communication equipment, various electronic instruments and meters and the like.

In the existing wire harness structure, for example, CN207303595 is taken as an example, after the wire harness is integrated, the wire harness protection layer is exposed in an application environment, and because the wire harness lacks corresponding protection, on one hand, the wire harness protection layer is easily affected by a natural environment, for example, the wire harness protection layer is easily affected by friction, acid-base corrosion, oil stain or oxidation, so that the aging of the wire harness protection layer is accelerated, and further the electrical insulation and transmission performance are affected; on the other hand, because the pencil lacks corresponding protection, the whole anti-bending of pencil and compressive capacity are relatively poor, in the use, also cause buckling or the damage of pencil easily, and then lead to the fire behaviour and the transmission performance of pencil to reduce, above problem all can influence the final performance and the life-span of using of pencil.

In view of this, how to overcome the defects existing in the prior art and solve the technical problems is a difficult problem to be solved in the technical field.

SUMMERY OF THE UTILITY MODEL

Compared with the traditional wire harness structure, the wire harness structure provided by the utility model has the advantages that the bending resistance and the pressure resistance are realized, the adverse effect of the external environment on the wire harness can be effectively resisted, the wire harness can be well protected, the overall protection capability is strong, the performance of the wire harness can be effectively improved, and the service life of the wire harness can be effectively prolonged.

The present invention provides a wire harness structure including:

the wire harness comprises a wire harness 1 and further comprises a plastic sleeve 2 which is sleeved on the periphery of the wire harness 1 and can stretch out and draw back along the length direction, and two ends of the plastic sleeve 2 are respectively fixed on the wire harness 1.

Preferably, the plastic sleeve 2 is a corrugated tube.

Preferably, the inner wall of the plastic sleeve 2 and the wiring harness 1 are arranged at a distance H.

Preferably, H is more than or equal to 2mm and less than or equal to 5 mm.

Preferably, the wire harness further comprises a winding belt 3 arranged between the wire harness 1 and the plastic sleeve 2, the winding belt 3 surrounds the wire harness 1 along the length direction and is filled in a space formed by the distance H, and two ends of the winding belt 3 are respectively fixed on the wire harness 1.

Preferably, the plastic sleeve further comprises a fixing band 4, wherein the fixing band 4 is used for fixing the plastic sleeve 2 and the winding band 3.

Preferably, the number of the fixing belts 4 is at least 4; wherein, a pair of fixing bands 4 is fixed at two ends of the plastic sleeve 2, and the other pair of fixing bands 4 is fixed at two ends of the winding band 3.

Preferably, the corrugated pipe is PE, PA or PP.

Preferably, signal interfaces 5 are arranged at two ends of the sub-wire of the wire harness 1.

Preferably, the signal interface 5 includes one or more of a USB interface, an HDMI interface, and a DP interface.

Through the technical scheme provided by the utility model, the beneficial effects can be obtained as follows:

the utility model provides a wire harness structure, wherein the adopted plastic sleeve has strong compression resistance and bending resistance, has the characteristics of light texture, good flame retardance and electrical insulation and the like, is safe to use, is friction-resistant and bending-resistant on a physical layer, is corrosion-resistant and oxidation-resistant on a chemical layer, and can play a first layer of protection role on the wire harness.

Furthermore, the utility model provides a wire harness structure, wherein a winding belt is additionally arranged between the wire harness and the plastic sleeve, the winding belt is tightly wound on the wire harness, the wire harness can be gathered, the scattering of the wire harness is avoided, and the winding belt can also play a second layer of protection role on the wire harness.

Furthermore, the number of sub-wires forming the wire harness can be freely matched, and various signal interfaces can be assembled at two ends according to requirements, so that the application scene is wide, and the using process is flexible and convenient.

On the whole, the wire harness structure provided by the utility model has the advantages of simple overall process, compact structure, low production cost, excellent friction resistance and corrosion resistance, stronger compression resistance and bending resistance, good flame retardance and electrical insulation, safe and flexible use process, and capability of effectively preventing damage to the wire harness caused by adverse environmental influence, thereby improving the service performance and service life of the wire harness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of a wire harness structure provided in embodiment 1 of the present invention;

fig. 2 is a schematic top view of a wiring harness structure provided in embodiment 1 of the present invention;

fig. 3 is a schematic top view of a wiring harness structure provided in embodiment 1 of the present invention;

fig. 4 is a schematic perspective view of a wire harness structure provided in embodiment 2 of the present invention;

fig. 5 is a schematic top view of a wiring harness structure provided in embodiment 2 of the present invention;

fig. 6 is a schematic top view of a wire harness structure according to embodiment 2 of the present invention;

fig. 7 is a schematic cross-sectional view of a portion a of a wire harness structure provided in

embodiments

1 and 2 of the present invention;

In the drawings, like reference numerals are used to designate like parts or structures, wherein:

1-wire harness, 2-plastic sleeve, 3-winding belt, 4-fixing belt and 5-signal interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, the terms "inner", "outer", "longitudinal", "lateral", "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are for convenience only to describe the present invention without requiring the present invention to be necessarily constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The first embodiment is as follows:

in this embodiment, as shown in fig. 1-3 and 7, in this embodiment, the wire harness 1 is composed of four sub-wires, signal interfaces 5 are disposed at two ends of each sub-wire, each signal interface 5 includes two USB interfaces and two DP interfaces, the wire harness structure includes the wire harness 1, and further includes a plastic sleeve 2 that is sleeved on a periphery of the wire harness 1 and can extend and retract along a length direction, and two ends of the plastic sleeve 2 are fixed to the wire harness 1, respectively. The plasticity refers to the deformation capacity of the external force applied by the plastic sleeve 2, the length direction refers to the deformation direction of the plastic sleeve 2, the deformation direction is generally the same as the extension direction of the wiring harness 1, the plastic sleeve 2 is sleeved on the periphery of the wiring harness 1, the external force can be prevented from being directly applied to the wiring harness 1, the working performance of the wiring harness 1 is further ensured, and the plastic sleeve 2 is sleeved on the periphery of the wiring harness 1 for the convenience of achieving. As a typical implementation manner, the inner wall of the plastic sleeve 2 is spaced apart from the wire harness 1 by a distance H, that is, the inner wall of the plastic sleeve 2 is slightly larger than the outer wall of the wire harness 1, and the outer wall of the wire harness 1 is formed by combining sub-lines forming the wire harness 1, preferably, H is greater than or equal to 2mm and less than or equal to 5mm, so that H is greater than or equal to 2mm and less than or equal to 5mm, because through practical application and effect verification, the distance H can meet the production requirement of sleeving the plastic sleeve 2 on the periphery of the wire harness 1, and simultaneously, the overall structure of the wire harness structure is more compact, and the two ends of the plastic sleeve 2 are respectively fixed on the wire harness 1, so that the stability of the plastic sleeve 2 is enhanced, thereby preventing the plastic sleeve 2 from sliding on the wire harness 1. The plastic sleeve 2 has friction resistance, corrosion resistance, strong compression resistance and bending resistance, and good flame retardance and electrical insulation, so that the wiring harness 1 is protected. As a preferred implementation manner, preferably, the plastic sleeve 2 is a corrugated pipe, the corrugated pipe is a cylindrical thin-walled corrugated shell having a plurality of transverse corrugations, and can generate deformation displacement under external forces such as pressure, axial force, transverse force or bending moment, the corrugated pipe with the transverse corrugations is provided with corrugations perpendicular to the length direction, the thin wall is thin and about thin, and the higher the sensitivity of the corrugated pipe in response to the external force is, preferably, the corrugated pipe is PE, PA or PP.

Further, in order to achieve more complete protection of the wire harness 1, in the present embodiment, the wire harness structure further includes a wrapping tape 3 provided between the wire harness 1 and the plastic sleeve 2, the wrapping tape 3 is wound around the wire harness 1 in the longitudinal direction and filled in the space formed by the space H, two ends of the winding belt 3 are respectively fixed on the wiring harness 1, the winding belt 3 is in a spiral state when being surrounded on the wiring harness 1 along the length direction, the winding belt 3 may be various kinds of rubberized fabric, adhesive tape or winding tube, etc., the winding belt 3 is filled in the space formed by the interval H, as one implementation manner thereof, the sub-wires constituting the wire harness 1 are firstly tidied, then, the winding belt 3 is wound around the wiring harness 1, a certain length is reserved at two ends of the wiring harness 1, and the plastic sleeve 2 is sleeved on the wiring harness 1 from one end of the wiring harness 1.

In order to fix the plastic sleeve 2 and the winding belt 3, the present embodiment further includes fixing belts 4, where the fixing belts 4 are used for fixing the plastic sleeve 2 and the winding belt 3, and as a preferred implementation manner, the number of the fixing belts 4 is at least 4; wherein, a pair of fixed band 4 is fixed in the both ends of plasticity sleeve pipe 2, another is fixed in to fixed band 4 the both ends of winding area 3 are as for other positions, can add fixed band 4 of establishing of a certain amount as required to play better fixed action, fixed band 4 can be the ribbon, prick the silk or for other rope, the lantern ring or buckle etc. that have fixed function.

The wire harness structure that this embodiment provided, overall structure is simple compact, and production technology is simple high-efficient, under the combined use of plasticity sleeve pipe 2 and winding area 3, has anti-bending and compressive capacity, can play better guard action to the pencil, and whole protective capacity is strong, can play effective prevention adverse environmental impact right the damage that the pencil caused, and then promote the performance and the life-span of pencil.

The second embodiment:

in the second embodiment, another wire harness structure and an application scenario thereof are provided, as shown in fig. 4-6 and fig. 7, in the second embodiment, the wire harness 1 is composed of four sub-wires, two ends of each sub-wire are provided with signal interfaces 5, the signal interfaces 5 respectively include two USB interfaces and two HDMI interfaces, the wire harness structure includes the wire harness 1, and further includes a plastic sleeve 2 that is sleeved on the periphery of the wire harness 1 and can extend and retract along the length direction, two ends of the plastic sleeve 2 are respectively fixed to the wire harness 1, and the second embodiment may also include a winding belt 3 and a fixing belt 4, and finally, based on the same installation and fixing manner as the first embodiment, the same technical effect is achieved.

It should be noted that, in the first and second embodiments, the wire harness 1 is formed by four sub-wires, and different types of signal interfaces 5 are used between every two sub-wires, and according to the first and second embodiments and the related drawings thereof, a combination scheme that any two or more sub-wires (with equal or unequal cross sections of the sub-wires) and any signal interface 5 is used by the sub-wires can be obtained, so that the application scenario is wide, and the use process is flexible and convenient.

In conclusion, the wire harness structure provided by the utility model has the advantages of simple overall process, compact structure, low production cost, excellent friction resistance and corrosion resistance, stronger compression resistance and bending resistance, good flame retardance and electrical insulation, safe and flexible use process, and capability of effectively preventing the wire harness from being damaged by adverse environmental influences, thereby improving the service performance and the service life of the wire harness.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims

1. The utility model provides a wire harness structure, includes pencil (1), its characterized in that still including cup jointing pencil (1) periphery and can follow the flexible plasticity sleeve pipe (2) of length direction, the both ends of plasticity sleeve pipe (2) are fixed respectively pencil (1), the inner wall of plasticity sleeve pipe (2) with the outer wall of pencil (1) is the interval setting.

2. A wire harness structure according to claim 1, characterised in that the plastic sleeve (2) is a corrugated tube.

3. A wire harness structure according to claim 1, characterised in that the distance between the inner wall of the plastic sleeve (2) and the outer wall of the wire harness (1) is 2-5 mm.

4. The wire harness structure according to claim 3, further comprising a wrapping tape (3) provided between the wire harness (1) and the plastic sleeve (2), the wrapping tape (3) being wound around the wire harness (1) in a length direction and filling a space formed by the interval H, both ends of the wrapping tape (3) being fixed to the wire harness (1), respectively.

5. Wire harness structure according to claim 4, further comprising a fixing strap (4), said fixing strap (4) being used for fixing said plastic sleeve (2) and said wrapping strap (3) with said fixing strap (4).

6. Wire harness structure according to claim 5, characterised in that the fixing strips (4) are at least 4; wherein, a pair of fixing belts (4) is fixed at two ends of the plastic sleeve (2), and the other pair of fixing belts (4) is fixed at two ends of the winding belt (3).

7. The wire harness structure according to claim 2, wherein the corrugated tube is PE, PA or PP.

8. Harness structure according to any of claims 1-7, characterized in that the harness (1) is provided with signal interfaces (5) at both ends.

9. The wire harness structure according to claim 8, wherein the signal interface (5) comprises one or more of a USB interface, an HDMI interface, and a DP interface.