CN210272894U

CN210272894U - Engine compartment wire

Info

Publication number: CN210272894U
Application number: CN201921121901.0U
Authority: CN
Inventors: 焦卫利; 杨振蕊; 叶秋琴; 夏瑞阳; 焦卫朋
Original assignee: Shanghai Lear STEC Automotive Parts Co Ltd
Current assignee: Shanghai Lear STEC Automotive Parts Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-04-07
Anticipated expiration: 2029-07-17

Abstract

The utility model provides an engine compartment wire, which comprises a left side bending section, a straight line section and a right side bending section which are connected in sequence, wherein heat shrink tubes are sleeved outside the left side bending section and the right side bending section; the straight line section extends along the positive and negative x-axis directions; the left side bending section comprises a first bending section parallel to the yz plane, the first bending section is arc-shaped, one end of the first bending section is connected with the left end of the straight line section, and the other end of the first bending section is connected with a left terminal in a pressing mode; the right side bending section comprises a second bending section positioned in the first diagram and a third bending section parallel to the xy plane. The utility model discloses an useful part lies in, simple structure, and the molding is firm, and the plasticity of wire promotes when utilizing the high temperature heating pyrocondensation pipe and accomplishes the molding of bending to 25 square millimeters wires, realizes dodging each other of all kinds of mechanisms in the engine compartment, and the space is practiced thrift to the maximize ground, has improved work efficiency.

Description

Engine compartment wire

Technical Field

The utility model relates to an engine compartment wire.

Background

The 25 mm square wire harness is typically used directly as an engine wire due to its excessive cross-sectional area. The arrangement inside the engine compartment is required to meet the use performance of the automobile and the safety. Although limited to a small interior space, the critical components within the nacelle cannot interfere with each other. In order to improve the utilization rate of the space in the engine compartment and facilitate subsequent repair and maintenance of an automobile, a specific bending model needs to be carried out on a wire to meet the avoidance requirement, but no finished wire meeting the requirement exists in the current market.

SUMMERY OF THE UTILITY MODEL

To the above defect, the to-be-solved technical problem of the utility model is to provide an engine compartment wire that can dodge other spare parts.

The utility model provides an engine compartment wire, the both ends of the wire are connected with terminals in a voltage-sharing manner, the wire comprises a left side bending section, a straight line section and a right side bending section which are connected in sequence, and the outer sides of the left side bending section and the right side bending section are both sleeved with a heat shrink tube; the straight line section extends along the positive and negative x-axis directions; the left side bending section comprises a first bending section parallel to the yz plane, the first bending section is arc-shaped, one end of the first bending section is connected with the left end of the straight line section, and the other end of the first bending section is connected with a left terminal in a pressing mode; the right side bending section comprises a second bending section located in the first octave and a third bending section parallel to the xy plane, one end of the third bending section is connected with the right end of the straight line section, the other end of the third bending section is connected with one end of the second bending section, and the other end of the second bending section is connected with a right terminal in a compression joint mode.

Preferably, the second bending section extends along the positive z-axis direction, and the third bending section extends along the positive y-axis direction.

Preferably, the first bending section is connected with the straight section through a fourth bending section.

Preferably, the wire is a 25 mm square soft copper core wire.

To sum up, the utility model discloses an useful part lies in, simple structure, and the molding is firm, and the plasticity of wire promotes when utilizing the high temperature heating pyrocondensation pipe and accomplishes the molding of bending to 25 square millimeters wires, realizes dodging each other of all kinds of mechanisms in the engine compartment, and the space is practiced thrift to the maximize, has improved work efficiency.

Drawings

FIG. 1 is a schematic view of an initial state of a wire;

FIG. 2 is a perspective view of an engine compartment wire of the present invention;

FIG. 3 is a schematic view of the lead wire after performing the molding step S3 (with the heat shrink tube removed);

FIG. 4 is a schematic view of the lead wire after performing the molding step S4 (with the heat shrink tube removed);

fig. 5 is a front view and a left side view of the engine compartment wire of the present invention.

Element number description:

1 conducting wire

11 left side bending section

111 first bending section

112 fourth bending section

12 right side bending section

121 second bending section

122 third bending section

13 straight line segment

21 left terminal

22 right terminal

3 Heat shrink tube

41 first bending point

42 second bending point

43 third bending point

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings. These embodiments are provided only for illustrating the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "middle point", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Fig. 3 is a front view of the wire of the present invention, and in the following description, the drawing in fig. 3 is taken as a reference basis of the direction, and in fig. 3, a three-dimensional rectangular coordinate system is established with the midpoint of the straight line segment 13 as an origin, wherein the vertical view paper faces outward to be the negative y-axis direction, the vertical view paper faces inward to be the positive y-axis direction, the vertical view paper faces upward to be the positive z-axis direction, the vertical view paper faces downward to be the negative z-axis direction, the vertical view paper faces rightward to be the positive x-axis direction, and the vertical view paper faces leftward to be the negative x-axis direction.

As shown in fig. 1, the utility model provides an engine compartment wire, the wire 1 both ends of linear type crimping respectively have left terminal 21 and right terminal 22 for be connected with other parts in the engine compartment. Specifically, the lead 1 is a soft copper core wire with 25 square millimeters, and the lead 1 is not easy to bend in a normal temperature environment due to a large cross-sectional area.

As shown in fig. 2, the wire 1 includes the left side section of bending 11, straightway 13 and the right side section of bending 12 that connect gradually, and the initial state of the left side section of bending 11 and the right side section of bending 12 is the linear type, and the outside all is overlapped and is equipped with heat shrink tube 3, can provide protective properties such as good insulation, protection against the tide, wear-resisting for wire 1 after heat shrink tube 3 is heated.

The straight line section 13 extends along the positive and negative x-axis direction, the left side bending section 11 comprises a first bending section 111 parallel to the yz plane, the first bending section 111 is arc-shaped, specifically semicircular, and has an opening facing the positive z-axis, one end of the first bending section is connected with the left end of the straight line section 13, and the other end is connected with a left terminal 21 in a crimping mode. Preferably, the first bending section 111 and the straight line section 13 are connected by a fourth bending section 112, and the fourth bending section 112 has a tendency of extending towards the negative z-axis direction and twisting towards the positive y-axis direction, so that the bottom of the first bending section 111 is located below the straight line section 13 while being parallel to the yz plane.

The right bending section 12 comprises a second bending section 121 located in the first octave (i.e. a three-dimensional space defined by a positive x axis, a positive y axis and a positive z axis) and a third bending section 122 parallel to the xy plane, one end of the third bending section 122 is connected with the right end of the straight line section 13, the other end of the third bending section is connected with one end of the second bending section 121, and the other end of the second bending section 121 is connected with the right terminal 22 in a crimping mode. Preferably, the second bending section 121 extends in the positive z-axis direction, and the third bending section 122 extends in the positive y-axis direction.

The left side bending section 11 and the right side bending section 12 which are linear in the initial state have the tendency of being close to the positive y axis and the positive z axis after being bent, so that an installation space is reserved for other mechanisms in an engine compartment between the two sections, the wire 1 cannot interfere with the mechanisms, and meanwhile, mechanisms on the left side of the left side bending section 11 and on the right side of the right side bending section 12 are avoided.

The utility model discloses the molding method of engine compartment wire is following, including following step:

s1, a straight wire 1 is taken as shown in fig. 1, and the left terminal 21 is crimped to the left end of the wire 1 and the right terminal 22 is crimped to the right end.

S2, sleeving a section of heat-shrinkable tube 3 shown in fig. 2 on the left section and the right section of the lead 1 respectively, heating the surface of the heat-shrinkable tube 3 at a high temperature, wherein the heat-shrinkable tube 3 is heated to shrink and tightly covers the outer side of the lead 1 to form a left bending section 11 and a right bending section 12, and meanwhile, the lead 1 in the left bending section 11 and the right bending section 12 is heated to be plastically lifted, so that the lead is easier to bend at a normal temperature.

S3, as shown in fig. 3 and 4, when the lead 1 is shaped, there are three fixed bending points in the working space, namely, the first bending point 41, the third bending point 43 and the second bending point 42, which are arranged in sequence, and the distance between the first bending point 41 and the third bending point 43 is much larger than the distance between the third bending point 43 and the second bending point 42. The three bending points can assist an operator in positioning the bending positions on the lead 1, and the position and the number of the bending points can be adjusted by the skilled person according to the needs.

First, at the point a of the left side bent segment 11, a part of the left side bent segment 11 including the left terminal 21 is bent around the first bent point 41 in the positive z-axis direction to form an arc-shaped first bent segment 111 parallel to the xz plane, and at the point B of the right side bent segment 12, a part of the right side bent segment 12 including the right terminal 22 is bent around the second bent point 42 in the positive z-axis direction to form a second bent segment 121. Preferably, the second bending section 121 forms an angle of 90 ° with the straight section 13 in the xz plane, and extends in the positive z-axis direction.

S4, adjusting the position of the wire 1, so that the point B of the second bending section 121, i.e. the end close to the straight line section 13, is attached to the third bending point 43, at this time, the first bending point 41 is in contact with the point D on the left bending section 11, at the point D, a part of the left bending section 11 is bent around the first bending point 41 to the positive y-axis and negative z-axis directions, so as to form a fourth bending section 112(AD section), and the first bending section 111 is parallel to the yz plane, then adjusting the position of the wire 1, at the point C of the straight line section of the right bending section 12, i.e. the end close to the straight line section 13 in the right bending section 12, bending to the positive y-axis direction by a certain angle, so as to form a third bending section 122(CB section), and completing the modeling. Preferably, the third bent segment 122 forms an angle of 90 ° with the straight line segment 13 in the xy plane, and extends along the positive y-axis direction.

Preferably, in order to ensure smooth progress of the bending process, it is necessary to complete steps S3 and S4 within 60S after the high-temperature heating of the heat shrinkable tube 3 and the lead 1 in step S2 is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The engine compartment wire is characterized by comprising a left side bending section (11), a straight line section (13) and a right side bending section (12) which are sequentially connected, wherein heat shrink tubes (3) are sleeved on the outer sides of the left side bending section (11) and the right side bending section (12);

the straight line segment (13) extends along the positive and negative x-axis directions;

the left side bending section (11) comprises a first bending section (111) parallel to a yz plane, the first bending section (111) is arc-shaped, one end of the first bending section is connected with the left end of the straight section (13), and the other end of the first bending section is connected with a left terminal (21) in a pressing mode;

the right side bending section (12) comprises a second bending section (121) located in the first octave and a third bending section (122) parallel to the xy plane, one end of the third bending section (122) is connected with the right end of the straight line section (13), the other end of the third bending section is connected with one end of the second bending section (121), and the other end of the second bending section (121) is connected with a right terminal (22) in a crimping mode.

2. The nacelle wire according to claim 1, wherein the second bent section (121) extends in a positive z-axis direction and the third bent section (122) extends in a positive y-axis direction.

3. -an engine nacelle wire according to claim 1, characterised in that said first bent section (111) is connected to said straight section (13) by means of a fourth bent section (112).

4. The nacelle wire according to claim 1, wherein the wire (1) is a 25 mm square soft copper core.