CN216354840U - Wire harness protective sleeve - Google Patents

Abstract

The application relates to a wire harness protective sleeve, include: a protective sheath body, the protective sheath body includes: a heat-shrinkable sleeve having an outer layer and an inner layer; and the reinforcing ribs are arranged on the inner layer and used for increasing the strength of the pipe sleeve, and the reinforcing ribs are axially arranged around the inner layer. This application is through emboliaing the sleeve pipe between electric wire and the connector, then, heat the sleeve pipe, make sleeve pipe skin and inlayer be heated, the inlayer is heated and begins to melt, and the skin is heated the back and begins to contract under self effect, the inlayer after the drive melts contracts the parcel in the outside of electric wire and connector in with the strengthening rib, make the junction of its electric wire and connector fixed seal, treat the pipe box cooling back, make pipe box and strengthening rib fix on the pencil together, utilize pipe box protection pencil, and the strengthening rib is used for increasing the intensity of pipe box, make its pencil be difficult for appearing the fracture when using, thereby promote the life-span that the pencil used.

Description

Wire harness protective sleeve

Technical Field

The application relates to the field of protective sleeves, in particular to a wire harness protective sleeve.

Background

The wire harness mainly comprises electric wires (cables) and connectors (terminals, sensors and the like), is a wiring component for connecting various electrical equipment in a circuit, is mainly used for transmitting signals and power supplies between electronic components, is widely used, is generally provided with a wire harness protective sleeve at the joint of the wire harness and the connectors, and protects the electronic wire harness in the wire harness protective sleeve by utilizing the wire harness protective sleeve. At present, the relatively common wire harness protective sleeve on the market at present mainly comprises a heat shrink tube formed by cross-linked polyolefin and hot melt adhesive, and is easy to break in the using process, so that the service life of an electronic wire harness is shortened, and therefore, the wire harness protective sleeve is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a wire harness protection sleeve, has intensity height, abrasionproof and decreases and difficult cracked advantage.

In order to achieve the purpose, the technical scheme of the application is as follows:

a wire harness protective sleeve comprising: a protective sheath body, the protective sheath body includes:

a heat-shrinkable sleeve having an outer layer and an inner layer; and the number of the first and second groups,

and the reinforcing ribs are arranged on the inner layer and used for increasing the strength of the pipe sleeve, and the reinforcing ribs are axially arranged on the periphery of the inner layer.

The technical scheme is realized, the sleeve is sleeved between the electric wire and the connector, then, the sleeve is heated, the outer layer and the inner layer of the sleeve are heated, the inner layer is heated to be melted, the outer layer is heated to be contracted inwards under the action of the outer layer, the melted inner layer and the reinforcing ribs are driven to be wrapped outside the electric wire and the connector in a contracting mode, the connection part of the electric wire and the connector is fixed and sealed, the sleeve and the reinforcing ribs are fixed on the wire harness together after the sleeve is cooled, the wire harness is protected by the sleeve, the reinforcing ribs are used for increasing the strength of the sleeve, the wire harness is not prone to fracture when the wire harness is used, and therefore the service life of the wire harness is prolonged.

As a preferred scheme of this application, be equipped with the structure of dodging that the supplementary pipe box contracts in, dodge the structure and be the axial and locate around the inlayer.

The technical scheme is realized so that the pipe sleeve can be retracted uniformly.

As a preferable aspect of the present application, the avoidance structure includes:

a relief hole provided in the inner layer; and the number of the first and second groups,

and the wire groove is arranged on the inner layer and connected with the avoidance hole.

According to the technical scheme, the design of the avoidance hole and the wire groove is convenient for the inward shrinkage avoidance of the pipe sleeve on one hand, and the slight elastic stretching can be carried out on the other hand, so that the pipe sleeve can be sleeved into the wire harness conveniently.

As a preferable aspect of the present application, the reinforcing rib is made of an elongated and arbitrarily bendable wire made of one of silk, cotton, hemp or metal.

The technical scheme is realized, on one hand, the pipe sleeve is used for increasing the strength of the pipe sleeve, and on the other hand, the bending of the pipe sleeve is facilitated.

As a preferred scheme of the present application, the reinforcing rib and the avoiding structure are arranged at an interval in the inner layer.

The technical scheme is realized so that the pipe sleeve can be retracted uniformly.

As a preferred embodiment of the present application, the outer layer is made of a cross-linked polyolefin material.

The technical scheme is realized, and the insulating, corrosion-resistant and wear-resistant glass tube has the characteristics of insulation, corrosion resistance, wear resistance and the like so as to facilitate retraction after heating.

As a preferred solution of the present application, the inner layer is made of hot melt adhesive.

The technical scheme is realized, and the wire harness connector has low melting point, waterproof sealing and high adhesiveness, so that the wire harness connector is conveniently adhered to the surfaces of the wire harness and the connector after being heated.

In summary, the present application has the following beneficial effects:

the embodiment of this application includes through providing a pencil protective sheath: a protective sheath body, the protective sheath body includes: a heat-shrinkable sleeve having an outer layer and an inner layer; and the reinforcing ribs are arranged on the inner layer and used for increasing the strength of the pipe sleeve, and the reinforcing ribs are axially arranged around the inner layer. This application is through emboliaing the sleeve pipe between electric wire and the connector, then, heat the sleeve pipe, make sleeve pipe skin and inlayer be heated, the inlayer is heated and begins to melt, and the skin is heated the back and begins to contract under self effect, the inlayer after the drive melts contracts the parcel in the outside of electric wire and connector in with the strengthening rib, make the junction of its electric wire and connector fixed seal, treat the pipe box cooling back, make pipe box and strengthening rib fix on the pencil together, utilize pipe box protection pencil, and the strengthening rib is used for increasing the intensity of pipe box, make its pencil be difficult for appearing the fracture when using, thereby promote the life-span that the pencil used.

Drawings

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

Fig. 1 is a schematic diagram in the embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of a pipe sleeve in an embodiment of the present application.

Fig. 3 is a schematic view of a closing-in tube in an embodiment of the present application.

The corresponding part names indicated by the numbers and letters in the drawings:

1. a protective sheath body; 2. pipe sleeve; 201. an outer layer; 202. an inner layer; 3. reinforcing ribs; 4. an avoidance structure; 401. avoiding holes; 402. a wire slot; 5. a mouth-closing tube; 6. and (5) clamping a hoop.

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.

Example (b):

the utility model provides a wire harness protective sheath, refers to fig. 1 and 2, includes protective sheath body 1, and protective sheath body 1 includes pipe box 2, and pipe box 2 comprises the crosslinked polyolefin material of skin 201 and the hot melt adhesive of inlayer 202, is equipped with the strengthening rib 3 that increases pipe box 2 intensity on inlayer 202, and strengthening rib 3 is that the axial evenly locates around inlayer 202. In this embodiment, be equipped with the structure 4 of dodging of the interior shrink of supplementary pipe box 2 on the inlayer 202, dodge structure 4 including locating dodging hole 401 on the inlayer 202, dodging hole 401 and being the even periphery of locating inlayer 202 of axial, and be the interval setting with strengthening rib 3, so that strengthening rib 3 can the even shrink deformation on pipe box 2, and the one side of dodging hole 401 and deviating from outer 201 still is equipped with the wire casing 402 with inlayer 202 female connection, but the design of wire casing 402 makes pipe box 2 elastic stretching deformation when using, in addition, for the ease of the bending deformation strengthening rib 3 of pipe box 2 adopts the silk thread, dodge hole 401 and adopt the round hole. In other embodiments, the reinforcing ribs 3 may be made of cotton, hemp, metal wire, etc., and the avoiding holes 401 may be square holes or triangular holes, etc.

Referring to fig. 1 and 3, in the present embodiment, in order to fix the ferrule 2 to the connector on the electric wire, a notched crimp tube 5 is provided at one end of the ferrule 2, a clamp 6 is provided on the crimp tube 5, and the crimp tube 5 is crimped to the connector by tightening the clamp 6.

Specifically, during actual use, the sleeve 2 is sleeved between the electric wire and the connector, then the sleeve 2 is heated, the outer layer 201 and the inner layer 202 of the sleeve 2 are heated, the inner layer 202 is heated to start to melt, the outer layer 201 starts to contract under the action of the outer layer 201 after being heated, the melted inner layer 202 and the reinforcing ribs 3 are driven to contract and wrap the outer sides of the electric wire and the connector together, the connection part of the electric wire and the connector is fixed and closed, the sleeve 2 and the reinforcing ribs 3 are fixed on the wire harness together after the sleeve 2 is cooled, the wire harness is protected by the sleeve 2, the reinforcing ribs 3 are used for increasing the strength of the sleeve 2, the wire harness is not prone to fracture during use, and therefore the service life of the wire harness is prolonged.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A wire harness protective sleeve, comprising: protective sheath body (1), protective sheath body (1) includes:

the pipe sleeve (2) is heated and shrunk inwards, and the pipe sleeve (2) is provided with an outer layer (201) and an inner layer (202); and the number of the first and second groups,

the reinforcing ribs (3) are arranged on the inner layer (202) and used for increasing the strength of the pipe sleeve (2), and the reinforcing ribs (3) are axially arranged on the periphery of the inner layer (202).

2. A harness protection sleeve according to claim 1, wherein the inner layer (202) is provided with an avoiding structure (4) for assisting the sleeve (2) to retract inwards, and the avoiding structure (4) is axially arranged around the inner layer (202).

3. A harness protection sleeve according to claim 2, wherein the avoiding structure (4) comprises:

an avoidance hole (401) provided in the inner layer (202); and the number of the first and second groups,

and the wire groove (402) is arranged on the inner layer (202) and connected with the avoidance hole (401).

4. A harness sleeve according to claim 1, characterised in that the reinforcement (3) is an elongate, optionally meandering wire of one of the materials silk, cotton, hemp or metal.

5. A harness protection sleeve according to claim 2, wherein the reinforcement rib (3) is spaced from the avoiding structure (4) in the inner layer (202).

6. A harness protection cover according to claim 1, characterised in that the outer layer (201) is made of cross-linked polyolefin material.

7. A wiring harness protective cover according to claim 1, characterised in that the inner layer (202) is made of hot melt adhesive.

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