High-temperature-resistant engine wire harness

Abstract

The utility model relates to the technical field of engine wire harnesses, and discloses a high-temperature resistant engine wire harness, which comprises a main body mechanism and a connecting mechanism, the connecting mechanism is positioned at the rear end of the main body mechanism, the main body mechanism comprises a wire harness body, a copper core and a wear-resistant layer, the copper core is fixedly mounted in the middle of the inner end of the wire harness body, and the wear-resistant layer is fixedly mounted on the copper core. The wear-resistant layer is fixedly arranged at the outer end of the wire harness body; the main body mechanism further comprises a flame-retardant layer, a heat-insulating layer and an insulating layer, the flame-retardant layer is fixedly arranged at the inner end of the wear-resistant layer and fixedly connected with the wear-resistant layer, the heat-insulating layer is fixedly arranged at the inner end of the flame-retardant layer and fixedly connected with the flame-retardant layer, and the insulating layer is fixedly arranged at the outer end of the copper core. According to the high-temperature-resistant engine wire harness, by installing the main body mechanism, the high-temperature-resistant performance of the engine wire harness is conveniently improved, the use requirement is conveniently met, the problem that the wire harness is gradually aged in a high-temperature environment is avoided, the service life of the engine wire harness is prolonged, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of engine wiring harnesses, in particular to a high temperature resistant engine wiring harness. Background Art

[0002] An engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines, external combustion engines, jet engines, and electric motors. After the engine has been working for a long time, the wiring harness connected to the engine is prone to aging gradually in a high temperature environment, so high temperature resistant engine wires are required.

[0003] The prior art patent document CN213959237U discloses an engine wiring harness, including a device body, the device body including a wiring harness, the wiring harness including a folded bellows, a plurality of connecting wires are arranged inside the folded bellows, one end of the connecting wire is fixedly connected to a limiting block, one end of the wiring harness passes through a limiting plate, and the upper and lower sides of the limiting plate are movably connected to movable plates through a rotating shaft; the utility model is provided with a wiring harness, a plurality of connecting wires are arranged inside the wiring harness, and the connecting wires are fixedly connected to limiting blocks, so that the connecting wires are inserted into the plug-in hole, and the limiting block is engaged with the elastic block. Such an arrangement makes it difficult for the connecting wire to be pulled out of the plug-in hole, and the provided plug-in block is engaged with the plug-in slot, so that a part of the pulling force is shared by the limiting plate, thereby making the wiring harness and the connecting plate more tightly connected; the provided restraining ring can fix the position of the wiring harness through the plug-in rod, so that the wiring harness is convenient for subsequent maintenance.

[0004] However, the engine wiring harness in the prior art CN213959237U patent has poor high temperature resistance, is not convenient to meet the use requirements, shortens the service life of the engine wiring harness, and reduces practicality. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The utility model aims to provide a high temperature resistant engine wiring harness to solve the problem of poor high temperature resistance of the engine wiring harness in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high temperature resistant engine wiring harness, comprising a main body mechanism and a connecting mechanism, wherein the connecting mechanism is located at the rear end of the main body mechanism, the main body mechanism comprises a wiring harness body, a copper core and a wear-resistant layer, the copper core is fixedly installed in the middle of the inner end of the wiring harness body, and the wear-resistant layer is fixedly arranged at the outer end of the wiring harness body;

[0009] The main body structure also includes a flame retardant layer, a heat insulation layer and an insulating layer. The flame retardant layer is fixedly arranged at the inner end of the wear-resistant layer, and the flame retardant layer is fixedly connected to the wear-resistant layer. The heat insulation layer is fixedly arranged at the inner end of the flame retardant layer, and the heat insulation layer is fixedly connected to the flame retardant layer. The insulating layer is fixedly arranged at the outer end of the copper core, and the insulating layer is fixedly connected to the copper core. The insulating layer is located at the inner end of the heat insulation layer, and the insulating layer is fixedly connected to the heat insulation layer.

[0010] Preferably, the connecting mechanism includes a connecting plug, an engine connecting piece, a slot, a positioning groove, a threaded hole, a connecting block, a threaded rod and a positioning block, and the connecting plug is fixedly mounted on the rear end of the wiring harness body, thereby improving practicality.

[0011] Preferably, the engine connector is located at the outer end of the connecting plug, and the slot is fixedly arranged at the front end of the engine connector. The slot is adapted to the connecting plug to facilitate the insertion of the connecting plug.

[0012] Preferably, the positioning groove is fixedly arranged at the left and right ends of the connecting plug, and the threaded hole is fixedly arranged at the left and right ends of the engine connecting piece. The threaded hole is located on the left and right sides of the positioning groove to facilitate the movement of the threaded rod.

[0013] Preferably, the connecting block is movably mounted on the left and right ends of the engine connecting piece, the threaded rod is fixedly mounted in the middle of the connecting block, and the threaded rod extends to the inner end of the threaded hole, so that the connecting block can be screwed to drive the threaded rod to rotate.

[0014] Preferably, the threaded rod is threadedly connected to the threaded hole, the positioning block is fixedly installed in the middle of the threaded rod, the positioning block is located at the inner end of the positioning groove, and the positioning block is movably connected to the positioning groove, so as to improve the firmness of the connection between the connecting plug and the engine connecting part and avoid the problem of the connecting plug and the wiring harness body falling off.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The high temperature resistant engine wiring harness is convenient for improving the high temperature resistance of the engine wiring harness by installing the main body mechanism, so as to meet the use requirements, avoid the problem of gradual aging of the wiring harness in a high temperature environment, extend the service life of the engine wiring harness, and improve the practicality;

[0017] 2. The high temperature resistant engine wiring harness is easy to improve the firmness of the connection between the connecting plug and the engine connector by installing a connecting mechanism, avoiding the problem of the connecting plug and the wiring harness body falling off, and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 The local structure diagram of the connection mechanism of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 4 The local structure diagram of the connection mechanism of the utility model is shown in FIG. Figure 2 .

[0022] In the figure: 1. main body; 101. wiring harness body; 102. copper core; 103. wear-resistant layer; 104. flame retardant layer; 105. heat insulation layer; 106. insulation layer; 2. connecting mechanism; 201. connecting plug; 202. engine connecting part; 203. slot; 204. positioning groove; 205. threaded hole; 206. connecting block; 207. threaded rod; 208. positioning block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 The utility model provides a technical solution: a high temperature resistant engine wiring harness, comprising a main body mechanism 1 and a connecting mechanism 2, the connecting mechanism 2 is located at the rear end of the main body mechanism 1, the main body mechanism 1 comprises a wiring harness body 101, a copper core 102 and a wear-resistant layer 103, the copper core 102 is fixedly installed in the middle of the inner end of the wiring harness body 101, and the wear-resistant layer 103 is fixedly arranged at the outer end of the wiring harness body 101;

[0025] The main body 1 also includes a flame retardant layer 104, a heat insulation layer 105 and an insulating layer 106. The flame retardant layer 104 is fixedly arranged at the inner end of the wear-resistant layer 103, and the flame retardant layer 104 is fixedly connected to the wear-resistant layer 103. The heat insulation layer 105 is fixedly arranged at the inner end of the flame retardant layer 104, and the heat insulation layer 105 is fixedly connected to the flame retardant layer 104. The insulating layer 106 is fixedly arranged at the outer end of the copper core 102, and the insulating layer 106 is fixedly connected to the copper core 102. The insulating layer 106 is located at the inner end of the heat insulation layer 105, and the insulating layer 106 is fixedly connected to the heat insulation layer 105. The copper core 102 has good conductivity, so that the wiring harness body 101 has an electrification effect. The insulating layer 106 wraps Wrapped on the outside of the copper core 102, the wire harness body 101 is prevented from leaking and the life safety of the staff is ensured. The heat insulation layer 105 is made of polytetrafluoroethylene and wrapped on the outside of the insulating layer 106 to improve the heat insulation and high temperature resistance of the wire harness body 101. The flame retardant layer 104 is made of organic halide and wrapped on the outside of the heat insulation layer 105 to delay or block combustion and avoid accidental fire. The wear-resistant layer 103 is wrapped on the outside of the flame retardant layer 104 to improve the wear resistance of the wire harness body 101, and protects the flame retardant layer 104, the heat insulation layer 105 and the insulating layer 106 to extend the service life of the wire harness body 101.

[0026] The connecting mechanism 2 includes a connecting plug 201, an engine connecting piece 202, a slot 203, a positioning slot 204, a threaded hole 205, a connecting block 206, a threaded rod 207 and a positioning block 208. The connecting plug 201 is fixedly installed at the rear end of the wiring harness body 101, the engine connecting piece 202 is located at the outer end of the connecting plug 201, the slot 203 is fixedly arranged at the front end of the engine connecting piece 202, the slot 203 is adapted to the connecting plug 201, the positioning slot 204 is fixedly arranged at the left and right ends of the connecting plug 201, the threaded hole 205 is fixedly arranged at the left and right ends of the engine connecting piece 202, the threaded hole 205 is located on the left and right sides of the positioning slot 204, the connecting block 206 is movably installed at the left and right ends of the engine connecting piece 202, and the threaded rod 2 07 is fixedly installed in the middle of the connecting block 206, the threaded rod 207 extends to the inner end of the threaded hole 205, the threaded rod 207 is threadedly connected to the threaded hole 205, the positioning block 208 is fixedly installed in the middle of the threaded rod 207, the positioning block 208 is located at the inner end of the positioning groove 204, the positioning block 208 is movably connected to the positioning groove 204, the connecting plug 201 is inserted into the slot 203 of the engine connecting piece 202, and then the connecting block 206 is twisted by fingers, the connecting block 206 drives the threaded rod 207 to rotate in the threaded hole 205 until the positioning block 208 is inserted into the positioning grooves 204 at both ends of the connecting plug 201, thereby improving the firmness of the connection between the connecting plug 201 and the engine connecting piece 202 and avoiding the problem of the connecting plug 201 and the wiring harness body 101 falling off.

[0027] Working principle: First, when using the high temperature resistant engine wiring harness, the staff inserts the connecting plug 201 into the slot 203 of the engine connector 202, and then twists the connecting block 206 with the finger, and the connecting block 206 drives the threaded rod 207 to rotate in the threaded hole 205 until the positioning block 208 is inserted into the positioning groove 204 at both ends of the connecting plug 201, so as to improve the firmness of the connection between the connecting plug 201 and the engine connector 202, and avoid the problem of the connecting plug 201 and the wiring harness body 101 falling off. The copper core 102 has good conductivity, so that the wiring harness body 101 has an electrification effect, and the insulating layer 106 is wrapped around the copper core 1 02 outside, avoid leakage of the wiring harness body 101, ensure the life safety of the staff, the heat insulation layer 105 material is polytetrafluoroethylene, wrapped on the outside of the insulating layer 106, improve the heat insulation and high temperature resistance of the wiring harness body 101, the flame retardant layer 104 material is organic halide, wrapped on the outside of the thermal insulation layer 105, can delay or block combustion, avoid the accidental occurrence of fire, the wear-resistant layer 103 is wrapped on the outside of the flame retardant layer 104, can improve the wear resistance of the wiring harness body 101, protect the flame retardant layer 104, the heat insulation layer 105 and the insulating layer 106, and extend the service life of the wiring harness body 101.

[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A high temperature resistant engine wiring harness, comprising a main body (1) and a connecting mechanism (2), characterized in that: The connecting mechanism (2) is located at the rear end of the main body mechanism (1); the main body mechanism (1) comprises a wiring harness body (101), a copper core (102) and a wear-resistant layer (103); the copper core (102) is fixedly mounted at the middle of the inner end of the wiring harness body (101); and the wear-resistant layer (103) is fixedly arranged at the outer end of the wiring harness body (101); The main body structure (1) further comprises a flame retardant layer (104), a heat insulating layer (105) and an insulating layer (106); the flame retardant layer (104) is fixedly arranged at the inner end of the wear-resistant layer (103); the flame retardant layer (104) is fixedly connected to the wear-resistant layer (103); the heat insulating layer (105) is fixedly arranged at the inner end of the flame retardant layer (104); the heat insulating layer (105) is fixedly connected to the flame retardant layer (104); the insulating layer (106) is fixedly arranged at the outer end of the copper core (102); the insulating layer (106) is fixedly connected to the copper core (102); the insulating layer (106) is located at the inner end of the heat insulating layer (105); and the insulating layer (106) is fixedly connected to the heat insulating layer (105).

2. A high temperature resistant engine wiring harness according to claim 1, characterized in that: The connection mechanism (2) comprises a connection plug (201), an engine connection piece (202), a slot (203), a positioning slot (204), a threaded hole (205), a connection block (206), a threaded rod (207) and a positioning block (208); the connection plug (201) is fixedly mounted on the rear end of the wiring harness body (101).

3. A high temperature resistant engine wiring harness according to claim 2, characterized in that: The engine connecting piece (202) is located at the outer end of the connecting plug (201), the slot (203) is fixedly arranged at the front end of the engine connecting piece (202), and the slot (203) is adapted to the connecting plug (201).

4. A high temperature resistant engine wiring harness according to claim 3, characterized in that: The positioning groove (204) is fixedly arranged at the left and right ends of the connecting plug (201), and the threaded hole (205) is fixedly arranged at the left and right ends of the engine connecting piece (202). The threaded hole (205) is located at the left and right sides of the positioning groove (204).

5. A high temperature resistant engine wiring harness according to claim 4, characterized in that: The connecting block (206) is movably mounted on the left and right ends of the engine connecting piece (202), and the threaded rod (207) is fixedly mounted on the middle of the connecting block (206), and the threaded rod (207) extends to the inner end of the threaded hole (205).

6. A high temperature resistant engine wiring harness according to claim 5, characterized in that: The threaded rod (207) is threadedly connected to the threaded hole (205), the positioning block (208) is fixedly installed in the middle of the threaded rod (207), the positioning block (208) is located at the inner end of the positioning groove (204), and the positioning block (208) is movably connected to the positioning groove (204).

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