CN217822136U - Flame-retardant wear-resistant wire harness - Google Patents

Abstract

The utility model discloses a flame-retardant and wear-resistant wire harness, which comprises a wire harness body. The wire harness body includes a wear-resistant layer and a connector. The inner side of the wear-resistant layer is provided with a flame-resistant layer. A wrapping layer is provided, and several electric wires are arranged inside the wrapping layer, and a filling layer is arranged between the electric wires and the wrapping layer. This kind of flame-retardant and wear-resistant wire harness is used in conjunction with the wire harness body, wires, filling layer, wrapping layer, wear-resistant layer, wear-resistant protrusions and flame-retardant layer. The setting of the grinding protrusion, in the process of dragging the wire harness and rubbing against other objects, the first contact with the object is the wear-resistant protrusion, which can effectively protect the outer skin of the wire harness, prevent the outer skin of the wire harness from being rubbed and broken for a long time, and effectively protect the wire harness For the internal wires, through the setting of the wear-resistant layer, the wear-resistant layer will still ensure the wear resistance of the wire harness body when the local wear-resistant protrusions are too worn.

Description

A flame-retardant and wear-resistant wire harness

technical field

The utility model relates to a wire harness, in particular to a flame-retardant and wear-resistant wire harness.

Background technique

The wiring harness provides the overall service equipment for a certain load source group, such as trunk lines, switching devices, control systems, etc. The basic research content of traffic theory is to study the relationship between traffic volume, call loss and harness capacity, so. Wire harness is an important basic concept in traffic theory. Wire harness is the use of wires of different specifications and colors through reasonable arrangements to combine them into one, and bundle the wires into bundles with insulating materials.

However, the traditional flame-retardant and wear-resistant wire harness currently on the market is only wrapped with a layer of rubber sleeves. Long-term use may easily cause the outer skin of the wire harness to wear or even break, which is prone to short circuits and other risks, resulting in unnecessary damage. At the same time, there is no fixed structure in the connecting part of the wire harness and the connector, so that the connector and the wire harness are only connected by simple wires, which is relatively fragile. If you do not pay attention to disassembly and assembly, it is easy to break and not durable. .

Utility model content

The purpose of this utility model is to provide a flame-retardant and wear-resistant wire harness to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A flame-retardant and wear-resistant wire harness, including a wire harness body, the wire harness body includes a wear-resistant layer and a connector, a flame-retardant layer is arranged on the inner side of the wear-resistant layer, and a wrapping layer is arranged on the inner side of the flame-resistant layer, Several electric wires are arranged inside the wrapping layer, a filling layer is arranged between the electric wires and the wrapping layer, and several wear-resistant protrusions are glued on the outer surface of the wear-resistant layer.

As a further solution of the present invention: the outer wall of the connector is fixedly sleeved with an annular connector, the outer wall of the wire harness body is fixedly sleeved with an annular connector, and one side of the outer wall of the annular connector is provided with Symmetrically distributed sliding holes, the inner wall of the sliding hole is provided with a limit groove, the inside of the limit groove is fixedly installed with a limit rod, the outer wall of the limit rod is provided with a limit block, and the limit rod A spring is sleeved on the upper side of the top of the limit block on the outer wall of the limit block, a slide bar is fixedly installed on one side of the limit block, and a placement slot corresponding to the position and number of the slide holes is opened on the inner wall of the annular connector. , the opposite ends of the two slide bars are fixedly equipped with handles, the opposite ends of the two slide bars are fixedly installed with positioning blocks suitable for the placement grooves, and symmetrical Distribution of fixed slots.

As a further solution of the present invention: the limiting block is provided with a sliding hole matching the limiting rod, and the limiting block is slidably connected with the limiting rod through the sliding hole provided thereon.

As a further solution of the utility model: the shape of the positioning block is arc-shaped, and the positioning block is compatible with the fixing groove and the placement groove.

As a further solution of the utility model: the materials of the wear-resistant layer and the wear-resistant protrusions are both rubber materials.

As a further solution of the present invention: the flame retardant layer is coated on the outer surface of the flame retardant layer with a flame retardant paint.

Compared with the prior art, the beneficial effects of the utility model are:

1. This utility model is used in conjunction with the wire harness body, wires, filling layer, wrapping layer, wear-resistant layer, wear-resistant protrusions and flame-retardant layer. During the use of the wire harness, through the setting of the wear-resistant protrusions, the When the wire harness is dragged and rubbed against other objects, the first contact with the object is the wear-resistant protrusion, which can effectively protect the outer skin of the wire harness, prevent the outer skin of the wire harness from being rubbed and broken for a long time, and effectively protect the internal wires of the wire harness. Setting, in the case of excessive wear of local wear-resistant protrusions, the wear-resistant layer will still ensure the wear resistance of the wire harness body, so through the setting of the wear-resistant layer and wear-resistant protrusions, two layers of wear-resistant layers are provided for the wire harness body The material has better wear resistance. Through the setting of the flame retardant layer, under the action of the flame retardant coating on the outer surface of the flame retardant layer, the flame retardant effect of the wire harness body is improved, and the practicability of the wire harness body is enhanced.

2. The utility model is used in conjunction with the ring fixing piece, the ring connecting piece, the connecting head, the positioning block, the fixing groove, the limiting block, the spring, the limiting groove, the limiting rod, the sliding rod, the handle, the sliding hole and the placement groove. A fixed limit relationship is formed between the connector and the ring-shaped fixing member, so that the connection between the harness body and the connector has a stronger structure, and when the connector is disassembled, it will not affect the connection between the harness body and the connector , is not easy to break and is durable, and at the same time, the connection structure between the connecting head and the ring-shaped fixing piece through the ring-shaped connecting piece is simple, easy to operate, and high in practicability.

Description of drawings

Figure 1 is a schematic structural diagram of a flame-retardant and wear-resistant wire harness;

Fig. 2 is a schematic diagram of the connection structure between the wire harness body and the connector in a flame-retardant and wear-resistant wire harness;

Fig. 3 is a structural schematic diagram of a positioning block in a flame-retardant and wear-resistant wiring harness;

FIG. 4 is a schematic diagram of an enlarged structure at A in FIG. 1 of a flame-retardant and wear-resistant wire harness.

In the figure: wire harness body 1, wire 2, filling layer 3, wrapping layer 4, wear-resistant layer 5, wear-resistant protrusion 6, flame-retardant layer 7, ring fixing part 8, ring connector 9, connector 10, positioning block 11. Fixing groove 12, limiting block 13, spring 14, limiting groove 15, limiting rod 16, sliding rod 17, handle 18, sliding hole 19, placement groove 20.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1 to 4. In an embodiment of the present invention, a flame-retardant and wear-resistant wire harness includes a wire harness body 1. The wire harness body 1 includes a wear-resistant layer 5 and a connector 10. The inside of the wear-resistant layer 5 is provided with a resistance Flame-resistant layer 7, the inner side of flame-retardant layer 7 is provided with wrapping layer 4, and the inside of wrapping layer 4 is provided with several electric wires 2, and filling layer 3 is arranged between electric wire 2 and wrapping layer 4, and the outer surface of wear-resistant layer 5 sticks Several wear-resistant protrusions 6 are connected.

Referring to Figures 2 to 4, in this application, an annular connector 9 is fixedly sleeved on the outer wall of the connector 10, an annular connector 8 is fixedly sleeved on the outer wall of the harness body 1, and one side of the outer wall of the annular connector 9 is provided with a There are sliding holes 19 symmetrically distributed, and the inner wall of the sliding hole 19 is provided with a limit groove 15, and the inside of the limit groove 15 is fixedly installed with a limit rod 16, and the outer wall of the limit rod 16 is provided with a limit block 13, and the limit rod A spring 14 is sleeved on the upper side of the top of the stop block 13 on the outer wall of the 16, and a slide bar 17 is fixedly installed on one side of the stop block 13, and the slide bar 17 is slidably connected with the slide hole 19, and on the inner wall of the ring connector 9 There are placement grooves 20 corresponding to the position and quantity of the slide holes 19, and the placement grooves 20 communicate with the inside of the slide holes 19. The opposite ends of the two slide bars 17 are fixedly equipped with handles 18, and the ends of the two slide bars 17 The opposite ends are fixedly equipped with positioning blocks 11 matching the placement slots 20 , and the outer wall of the ring-shaped fixing member 8 is provided with symmetrically distributed fixing slots 12 , and the fixing slots 12 are engaged with the positioning blocks 11 .

Referring to FIG. 4 , in the present application, the limit block 13 is provided with a slide hole matching the limit rod 16 , and the limit block 13 is slidably connected with the limit rod 16 through the slide hole opened thereon.

Referring to FIG. 3 and FIG. 4 , in the present application, the positioning block 11 is arc-shaped, and the positioning block 11 is compatible with the fixing groove 12 and the placement groove 20 .

Referring to FIG. 1 , in the present application, the wear-resistant layer 5 and the wear-resistant projection 6 are made of rubber.

Referring to FIG. 1 , in the present application, the flame retardant layer 7 is coated on the outer surface of the flame retardant layer 7 through a flame retardant paint.

The working principle of the utility model is:

Referring to Fig. 1, when in use, during the use of the wire harness, through the setting of the wear-resistant protrusion 6, in the process of dragging the wire harness and rubbing against other objects, the first contact with the object is the wear-resistant protrusion 6, which can be Effectively protect the outer skin layer of the wire harness, avoid the outer skin layer of the wire harness from being rubbed and broken for a long time, and effectively protect the internal wires 2 of the wire harness. Through the setting of the wear-resistant layer 5, when the local wear-resistant protrusions 6 are worn too much, the wear-resistant layer 5 remains intact. The wear resistance of the wire harness body 1 will be guaranteed. Therefore, through the setting of the wear-resistant layer 5 and the wear-resistant protrusion 6, two layers of wear-resistant materials are provided for the wire harness body 1, and the wear resistance is better. Through the setting of the flame-retardant layer 7 , under the action of the flame-retardant coating on the outer surface of the flame-retardant layer 7, the flame-retardant effect of the wire harness body 1 is improved, and the practicability of the wire harness body 1 is enhanced.

Referring to Figures 2-4, when the wire harness is in use, after the wires 2 inside the wire harness body 1 are connected to the connector 10, the handle 18 is first pulled, and the movement of the handle 18 drives the slide bar 17 to slide on the slide hole 19 , the movement of the slide bar 17 drives the stop block 13 to slide on the stop bar 16, the movement of the stop block 13 will squeeze the spring 14, and the movement of the slide bar 17 will pull the position block 11 to the placement slot 20 At this time, the inner surface of the positioning block 11 is flat with the inner wall of the annular connector 9, and at the same time, the connector 10 is pushed to one end of the wire harness body 1, and the annular connector 9 is set on the outer wall of the annular fixing member 8, After the annular connecting piece 9 is set on the specified position, the limit to the handle 18 is released, and under the elastic action of the spring 14, the slide bar 17 is driven by the limit block 13 to reset, and the movement of the slide bar 17 drives the positioning block 11 from The inside of the placement groove 20 is directly snapped into the inside of the fixing groove 12 on the ring fixing part 8, so that a fixed limit relationship is formed between the connector 10 and the ring fixing part 8, so that the connection between the wire harness body 1 and the connector 10 is structurally Stronger, when the connector 10 is disassembled, it will not affect the connection between the harness body 1 and the connector 10, it is not easy to break and durable, and the connector 10 is connected by the ring connector 9 and the ring fixing member 8 The structure is simple, the operation is convenient and the practicability is high.

Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.

Claims (6)

1. A flame-retardant wear-resistant wire harness comprising a wire harness body (1), characterized in that: pencil body (1) includes wearing layer (5) and connector (10), the inboard of wearing layer (5) is provided with fire-retardant layer (7), the inboard of fire-retardant layer (7) is provided with parcel layer (4), the inside of parcel layer (4) is provided with a plurality of electric wire (2), be provided with filling layer (3) between electric wire (2) and parcel layer (4), the surface of wearing layer (5) bonds and has the wear-resisting arch (6) of a plurality of.

2. The flame-retardant abrasion-resistant wire harness according to claim 1, wherein: fixed cover on the outer wall of connector (10) has connect annular connecting piece (9), fixed cover has connect annular mounting (8) on the outer wall of pencil body (1), one side on annular connecting piece (9) outer wall is seted up symmetric distribution's slide opening (19), spacing groove (15) have been seted up on the inner wall of slide opening (19), the inside fixed mounting of spacing groove (15) has gag lever post (16), the cover is equipped with stopper (13) on the outer wall of gag lever post (16), it has cup jointed spring (14) to lie in stopper (13) top upside on the outer wall of gag lever post (16), one side fixed mounting of stopper (13) has slide bar (17), set up standing groove (20) corresponding with slide opening (19) position, quantity on the inner wall of annular connecting piece (9), two the equal fixed mounting in opposite end of slide bar (17) has handle (18), two the equal fixed mounting in the looks adaptation of looks remote site of slide bar (17) has locating piece (11) with standing groove (20), set up fixed slot (12) of symmetric distribution on the outer wall of annular mounting (8).

3. The flame-retardant abrasion-resistant wire harness according to claim 2, wherein: the limiting block (13) is provided with a sliding hole matched with the limiting rod (16), and the limiting block (13) is connected with the limiting rod (16) in a sliding mode through the sliding hole formed in the limiting block.

4. The flame-retardant abrasion-resistant wire harness according to claim 2, wherein: the positioning block (11) is arc-shaped, and the positioning block (11) is matched with the fixing groove (12) and the placing groove (20) in a homogeneous mode.

5. The flame-retardant abrasion-resistant wire harness according to claim 1, wherein: the wear-resistant layer (5) and the wear-resistant protrusions (6) are made of rubber.

6. The flame-retardant abrasion-resistant wire harness according to claim 1, wherein: the flame-retardant layer (7) is coated on the outer surface of the flame-retardant layer (7) through flame-retardant paint.

Images