Wire harness grounding device, wire harness assembly and electronic equipment

Abstract

The utility model provides a wire harness grounding device, a wire harness assembly and electronic equipment. The wire harness grounding device and the wire harness are fixed and then assembled in the accommodating groove of the middle frame so as to realize electric connection between the shielding layer of the wire harness and the middle frame. The wire harness grounding device comprises a grounding body and an elastic arm fixed with the grounding body. The grounding body is fixed with the wire harness and is provided with a first contact part, and the first contact part is electrically contacted with the shielding layer. The elastic arm is provided with a second contact part, and when the wire harness grounding device is assembled in the accommodating groove, the elastic arm deforms and the second contact part is electrically contacted with the middle frame. According to the invention, the grounding body is electrically connected with the shielding layer of the wire harness, the elastic arm deforms, and the second contact part is electrically contacted with the middle frame, so that the reliability of the electrical contact between the wire harness grounding device and the middle frame is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of electronic equipment, in particular to a wire harness grounding device, a wire harness assembly and an electronic equipment. BACKGROUND

[0002] With the increasing improvement of people's living standards, many different types of electronic equipment appear on the market. Electronic equipment can include mobile phones, notebooks, smart watches, tablet computers, etc. When the electronic equipment is working, the shielding layer of the wire harness in the electronic equipment will generate spurs, which will cause the performance of the electronic equipment to decline. The current wire harness outer riveting metal grounding ring is riveted with the shielding layer of the wire harness and interferes with the middle frame to achieve grounding, but the metal grounding ring and the metal middle frame are both inelastic components, which can easily cause gaps between the parts, resulting in electrical connection contact failure. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a wire harness grounding device, a wire harness assembly and an electronic equipment that can improve the reliability of electrical contact.

[0004] The present application provides a wire harness grounding device, a wire harness assembly and an electronic equipment that can improve the reliability of electrical contact.

[0005] Further, the grounding body is annular and is sleeved on the outside of the wire harness.

[0006] Further, the grounding body includes a first side edge and a second side edge oppositely arranged along the circumferential direction of the wire harness, a joint being formed between the first side edge and the second side edge, and the elastic arm being integrally extended from the first side edge or the second side edge.

[0007] Further, the grounding body is provided with a receiving hole and a protruding portion, the receiving hole being recessed from one of the first side edge and the second side edge, the protruding portion being extended from the other of the first side edge and the second side edge, and the protruding portion being located in the receiving hole.

[0008] Further, the elastic arm includes a first end and a second end oppositely arranged, the first end being connected with the first side edge or the second side edge, the second contact portion being arranged on the second end, the elastic arm surrounding the grounding body, and the length of the elastic arm being greater than half of the circumference of the grounding body.

[0009] Furthermore, the first end is located at the top of the grounding body, the elastic arm extends around the grounding body and passes through the bottom of the grounding body, and the second end is inclined to elastically abut against the middle frame.

[0010] Furthermore, the grounding body is provided with a clearance hole to avoid the first end.

[0011] Furthermore, the elastic arm is welded and fixed to the grounding body.

[0012] This application also provides a wire harness assembly, including a wire harness and the above-described wire harness grounding device.

[0013] This application also provides an electronic device including the wire harness assembly described above.

[0014] In some embodiments, the grounding body of the above technical solution is electrically connected to the shielding layer of the wire harness, and the elastic arm deforms and, through elastic force, makes the second contact part of the elastic arm electrically contact the middle frame, thereby improving the reliability of the electrical contact. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the wire harness assembly and the mid-frame after assembly according to an exemplary embodiment of this application.

[0016] Figure 2 yes Figure 1 The diagram shows the structure of the wire harness.

[0017] Figure 3 yes Figure 1 A schematic diagram of one embodiment of the wire harness grounding device shown.

[0018] Figure 4 yes Figure 3 The front view of the wire harness grounding device shown.

[0019] Figure 5 yes Figure 1 A schematic diagram of another embodiment of the wire harness grounding device shown.

[0020] Figure 6 yes Figure 5 The rear view of the wire harness grounding device shown.

[0021] Figure 7 yes Figure 1 A schematic diagram of another embodiment of the wire harness grounding device shown.

[0022] Figure 8 yes Figure 7 The front view of the wire harness grounding device shown.

[0023] Explanation of icon numbers:

[0024] 100, wire harness grounding device: 100; 200, middle frame; 2001, receiving groove; 300, wire harness; 301, shielding layer; 302, signal layer; 303, insulating layer; 304, outer skin layer; 10, grounding body; 101, first side edge; 1011, protruding part; 102, second side edge; 1021, receiving hole; 11, joint; 12, avoiding hole; 13, protruding part; 20, elastic arm; 201, first end; 202, second end; 21, second contact part. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments (or, modes of implementation) of the present application will be described clearly and completely below with reference to the drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated.

[0026] If the application embodiments involve directional indications or positional relationships (such as up, down, left, right, front, back, inner, outer, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationship, movement, etc. between components in a certain posture (as shown in the drawings); if the posture changes, the directional indications or positional relationships also change accordingly. In addition, the terms "first", "second", etc. in the application embodiments are only used for convenience of description, and cannot be understood as indicating or implying relative importance.

[0027] The embodiments of the present application provide an electronic device, which includes but is not limited to a mobile phone, a tablet computer, a desktop computer, a television or a vehicle-mounted computer, and the electronic device includes a wire harness assembly, which is used to connect different electronic components to realize power transmission or signal transmission, etc. The wire harness assembly includes but is not limited to a power wire harness, a signal wire harness, a data wire harness, a radio frequency wire harness or a control wire harness.

[0028] The embodiments of the present application also provide a wire harness assembly, which includes a wire harness 300. When the electronic device works, the wire harness 300 generates spurs, which fall into the frequency range of the electronic device for receiving and transmitting signals, resulting in a decline in the performance of the electronic device. The wire harness assembly further includes a wire harness grounding device 100, so as to ground the wire harness 300 through the wire harness grounding device 100, thereby improving the working performance of the electronic device.

[0029] Referring to Figures 1-2As shown, the embodiment of the present application provides a wire harness grounding device 100, which is assembled in the receiving groove 2001 of the middle frame 200 after being fixed with the wire harness 300, so as to realize the electrical connection between the shielding layer 301 of the wire harness 300 and the middle frame 200, and transmit the electric charge on the shielding layer 301 of the wire harness 300 to the middle frame 200 through the wire harness grounding device 100, so as to realize the grounding of the wire harness 300.

[0030] In some embodiments, the wire harness 300 comprises a signal layer 302, an insulating layer 303, a shielding layer 301 and an outer skin layer 304 which are sequentially sleeved together.

[0031] In some embodiments, the signal layer 302 is a conductive metal wire or cable which can transmit electrical signals or data; the insulating layer 303 is wrapped outside the signal layer 302 to prevent the signal layer 302 from contacting other conductors or external environment, so as to avoid short circuit or signal interference; the shielding layer 301 is wrapped outside the insulating layer 303, which is usually made of conductive material, and is used to reduce electromagnetic interference and radio frequency interference and improve the stability of signal transmission; and the outer skin layer 304 is provided at the outermost layer to provide mechanical protection and wear resistance.

[0032] Referring to Figures 3-6 As shown, the wire harness grounding device 100 comprises a grounding body 10 and an elastic arm 20 fixed with the grounding body 10, the grounding body 10 is fixed with the wire harness 300 and is provided with a first contact part (not shown) which is in electrical contact with the shielding layer 301, and the elastic arm 20 is provided with a second contact part 21, when the wire harness grounding device 100 is assembled in the receiving groove 2001, the elastic arm 20 is deformed and the second contact part 21 is in electrical contact with the middle frame 200, so as to ensure stable electrical connection and reduce the risk of poor contact, and the deformation characteristics of the elastic arm 20 enable the wire harness grounding device 100 to adapt to different assembly conditions, and good electrical contact can be maintained even when there is a slight change in the middle frame 200.

[0033] In some embodiments, the middle frame 200 and the wire harness grounding device 100 can be made of conductive metal materials such as copper, aluminum, stainless steel or nickel-plated copper, so as to realize good electrical connection.

[0034] In some embodiments, the shielding layer 301 of the wire harness 300 is sleeved with the outer skin layer 304, and at least part of the outer skin layer 304 needs to be peeled off when the grounding body 10 is sleeved outside the wire harness 300, so that the shielding layer 301 is exposed, and the grounding body 10 is provided with the first contact part which is in electrical contact with the shielding layer 301.

[0035] In some embodiments, the grounding body 10 is annular and is sleeved outside the wire harness 300, and the annular design of the grounding body 10 can uniformly distribute the pressure applied on the wire harness 300, reduce the local pressure concentration, and reduce the risk of poor contact.

[0036] In some embodiments, the grounding body 10 can be designed integrally with the shielding layer 301 of the wire harness 300, reducing external contact points and improving anti-interference capability.

[0037] The grounding body 10 includes a first side edge 101 and a second side edge 102 oppositely arranged along the circumferential direction of the wire harness 300, and a joint 11 is formed between the first side edge 101 and the second side edge 102. The elastic arm 20 is integrally extended from the first side edge 101 or the second side edge 102, which simplifies the assembly process of the elastic arm 20 and the grounding body 10 and reduces additional connection work.

[0038] In some embodiments, as shown in Figs. 1 and 2, the elastic arm 20 is integrally extended from the first side edge 101. Figure 3 In some embodiments, as shown in Figs. 3 and 4, the elastic arm 20 is integrally extended from the second side edge 102. Figure 4 In some embodiments, as shown in Figs. 5 and 6, the elastic arm 20 is integrally extended from the first side edge 101.

[0039] In some embodiments, as shown in Figs. 7 and 8, the elastic arm 20 is integrally extended from the second side edge 102. Figure 5 In some embodiments, as shown in Figs. 9 and 10, the elastic arm 20 is integrally extended from the first side edge 101. Figure 6 In some embodiments, as shown in Figs. 11 and 12, the elastic arm 20 is integrally extended from the first side edge 101.

[0040] In some embodiments, a separate elastic arm 20 that is not integrally connected with the grounding body 10 can also be used, which makes replacement and maintenance more convenient.

[0041] In some embodiments, the elastic arm 20 is made of a conductive metal material, such as copper, aluminum, stainless steel, or nickel-plated copper.

[0042] In some embodiments, the elastic arm 20 can be made of a flexible material such as silicone or rubber, and a conductive coating is applied to the surface of the elastic arm 20 to achieve electrical connection between the elastic arm 20, the grounding body 10, and the middle frame 200.

[0043] In some embodiments, the joint 11 between the first side edge 101 and the second side edge 102 is linear, and in addition, the joint 11 can have different shapes or structures to improve the connection firmness of the first side edge 101 and the second side edge 102.

[0044] In some embodiments, the grounding body 10 is provided with a receiving hole 1021 and a protruding portion 1011. The receiving hole 1021 is recessed from one of the first side edge 101 and the second side edge 102, and the protruding portion 1011 is extended from the other one of the first side edge 101 and the second side edge 102. The protruding portion 1011 is located in the receiving hole 1021 to fix the first side edge 101 and the second side edge 102, improve the stability and alignment accuracy of the grounding body 10, and prevent the grounding body 10 from being separated or displaced when subjected to external force.

[0045] In some embodiments, the first side edge 101 and the second side edge 102 can be fixed together by means of adhesive fixing, bolt fixing, or latch fixing, etc.

[0046] The elastic arm 20 includes a first end 201 and a second end 202 arranged oppositely, the first end 201 is connected with the first side edge 101 or the second side edge 102, and the second contact part 21 is arranged at the second end 202. The elastic arm 20 surrounds the grounding body 10, and the length of the elastic arm 20 is greater than half of the circumference of the grounding body 10. The longer length of the elastic arm 20 helps to uniformly distribute the pressure and reduce damage caused by stress concentration, thereby improving the durability of the elastic arm 20.

[0047] In some embodiments, the second contact part 21 can be one or more contacts, and the number of the second contact part 21 is not limited in the present application.

[0048] In some embodiments, the elastic arm 20 surrounds the grounding body 10 and has a U-shaped overall structure, which has a certain guiding function to accurately align the accommodation groove 2001 during installation.

[0049] In some embodiments, the elastic arm 20 has a longer length, which allows it to self-adjust during installation to adapt to different sizes of the accommodation groove 2001 of the middle frame 200, thereby ensuring reliable electrical contact.

[0050] In the embodiments of the present application, the elastic arm 20 is an integral spring sheet. In addition, the elastic arm 20 can also be designed as a segmented spring sheet to be suitable for application scenarios that require different contact pressures.

[0051] In some embodiments, the elastic arm 20 is telescopic and can be adjusted in length according to actual needs to adapt to different grounding requirements and installation conditions.

[0052] The first end 201 is located at the top of the grounding body 10, the elastic arm 20 extends around the grounding body 10 and passes out from the bottom of the grounding body 10, thereby enhancing the overall stability, and the second end 202 is arranged obliquely to elastically abut against the middle frame 200, thereby ensuring stable electrical contact between the elastic arm 20 and the middle frame 200.

[0053] In some embodiments, the second contact part 21 on the second end 202 can be coated with a conductive material to enhance the performance of electrical contact.

[0054] In some embodiments, the grounding body 10 is provided with a relief hole 12 to avoid the first end 201, so that the first end 201 of the elastic arm 20 extends out of the grounding body 10.

[0055] In some embodiments, the size or position of the avoidance hole 12 can be adjusted and changed to adapt to elastic arms 20 of different sizes or shapes, improving the compatibility of the grounding body 10.

[0056] Referring to Figures 7-8 As shown, the elastic arm 20 is welded and fixed with the grounding body 10, improving the connection strength of the elastic arm 20 and the grounding body 10, providing stable physical and electrical connection, and reducing the risk of falling caused by external force.

[0057] In some embodiments, the top of the grounding body 10 is provided with a protruding part 13, the outer surface of the protruding part 13 is a plane, and the inner side wall of the first end 201 of the elastic arm 20 is also a plane, the protruding part 13 and the first end 201 are welded and fixed on the plane, improving the stability of the welding.

[0058] In some embodiments, a conductive gasket is added between the first end 201 of the elastic arm 20 and the protruding part 13 to improve the contact resistance and provide more stable electrical connection.

[0059] In some embodiments, the protruding part 13 can also not be provided on the top of the grounding body 10, but can be provided on the side or bottom, and the position of the protruding part 13 is not limited in the present application.

[0060] It should be noted that the technical solutions or technical features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of the present application is not limited to the precise structure described in the above embodiments and shown in the drawings; any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A wire harness grounding device, which is assembled into a receiving groove of a middle frame after a wire harness is fixed, so as to realize electrical connection between a shielding layer of the wire harness and the middle frame, characterized in that, The wire harness grounding device comprises a grounding body and an elastic arm fixed with the grounding body, the grounding body is fixed with the wire harness and is provided with a first contact part, the first contact part is in electrical contact with the shielding layer, the elastic arm is provided with a second contact part, when the wire harness grounding device is assembled in the accommodating groove, the elastic arm is deformed and the second contact part is in electrical contact with the middle frame.

2. The wiring harness grounding device of claim 1, wherein, The grounding body is annular and is sleeved outside the wire harness.

3. The wiring harness grounding device of claim 2, wherein, The grounding body comprises a first side edge and a second side edge oppositely arranged along the circumferential direction of the wire harness, a joint is formed between the first side edge and the second side edge, and the elastic arm is integrally extended from the first side edge or the second side edge.

4. The wiring harness grounding device of claim 3, wherein, The grounding body is provided with an accommodating hole and a protruding part, the accommodating hole is recessed from one of the first side edge and the second side edge, the protruding part is extended from the other one of the first side edge and the second side edge, and the protruding part is located in the accommodating hole.

5. The wiring harness grounding apparatus of claim 3, wherein The elastic arm comprises a first end and a second end oppositely arranged, the first end is connected with the first side edge or the second side edge, the second contact part is arranged at the second end, the elastic arm surrounds the grounding body, and the length of the elastic arm is greater than half of the circumference of the grounding body.

6. The wiring harness grounding device of claim 5, wherein, The first end is located at the top of the grounding body, the elastic arm extends around the grounding body and passes out from the bottom of the grounding body, and the second end is obliquely arranged to elastically abut against the middle frame.

7. The wiring harness grounding apparatus of claim 5, wherein The grounding body is provided with an avoiding hole for avoiding the first end.

8. The wire harness grounding device according to any one of claims 1 to 7, characterized by The elastic arm is welded with the grounding body.

9. A wiring harness assembly characterized by, The wire harness grounding device comprises a grounding body and an elastic arm fixed with the grounding body, the grounding body is fixed with the wire harness and is provided with a first contact part, the first contact part is in electrical contact with the shielding layer, the elastic arm is provided with a second contact part, when the wire harness grounding device is assembled in the accommodating groove, the elastic arm is deformed and the second contact part is in electrical contact with the middle frame.

10. An electronic device, comprising: The grounding body is annular and is sleeved outside the wire harness. The grounding body comprises a first side edge and a second side edge oppositely arranged along the circumferential direction of the wire harness, a joint is formed between the first side edge and the second side edge, and the elastic arm is integrally extended from the first side edge or the second side edge. The grounding body is provided with an accommodating hole and a protruding part, the accommodating hole is recessed from one of the first side edge and the second side edge, the protruding part is extended from the other one of the first side edge and the second side edge, and the protruding part is located in the accommodating hole. The elastic arm comprises a first end and a second end oppositely arranged, the first end is connected with the first side edge or the second side edge, the second contact part is arranged at the second end, the elastic arm surrounds the grounding body, and the length of the elastic arm is greater than half of the circumference of the grounding body. The first end is located at the top of the grounding body, the elastic arm extends around the grounding body and passes out from the bottom of the grounding body, and the second end is obliquely arranged to elastically abut against the middle frame. The grounding body is provided with an avoiding hole for avoiding the first end. The elastic arm is welded with the grounding body. The wire harness grounding device comprises a grounding body and an elastic arm fixed with the grounding body, the grounding body is fixed with the wire harness and is provided with a first contact part, the first contact part is in electrical contact with the shielding layer, the elastic arm is provided with a second contact part, when the wire harness grounding device is assembled in the accommodating groove, the elastic arm is deformed and the second contact part is in electrical contact with the middle frame. The grounding body is annular and is sleeved outside the wire harness. The grounding body comprises a first side edge and a second side edge oppositely arranged along the circumferential direction of the wire harness, a joint is formed between the first side edge and the second side edge, and the elastic arm is integrally extended from the first side edge or the second side edge. The grounding body is provided with an accommodating hole and a protruding part, the accommodating hole is recessed from one of the first side edge and the second side edge, the protruding part is extended from the other one of the first side edge and the second side edge, and the protruding part is located in the accommodating hole. The elastic arm comprises a first end and a second end oppositely arranged, the first end is connected with the first side edge or the second side edge, the second contact part is arranged at the second end, the elastic arm surrounds the grounding body, and the length of the elastic arm is greater than half of the circumference of the grounding body. The first end is located at the top of the grounding body, the elastic arm extends around the grounding body and passes out from the bottom of the grounding body, and the second end is obliquely arranged to elastically abut against the middle frame. The grounding body is provided with an avoiding hole for avoiding the first end. The elastic arm is welded with the grounding body. The wire harness grounding device comprises a grounding body and an elastic arm fixed with the grounding body, the grounding body is fixed with the wire harness and is provided with a first contact part, the first contact part is in electrical contact with the shielding layer, the elastic arm is provided with a second contact part, when the wire harness grounding device is assembled in the accommodating groove, the elastic arm is deformed and the second contact part is in electrical contact with the middle frame. The grounding body is annular and is sleeved outside the wire harness. The grounding body comprises a first side edge and a second side edge oppositely arranged along the circumferential direction of the wire harness, a joint is formed between the first side edge and the second side edge, and the elastic arm is integrally extended from the first side edge or the second side edge. The grounding body is provided with an accommodating hole and a protruding part, the accommodating hole is recessed from one of the first side edge and the second side edge, the protruding part is extended from the other one of the first side edge and the second side edge, and the protruding part is located in the accommodating hole. The elastic arm comprises a first end and a second end oppositely arranged, the first end is connected with the first side edge or the second side edge, the second contact part is arranged at the second end, the elastic arm surrounds the grounding body, and the length of the elastic arm is greater than half of the circumference of the grounding body. The first end is located at the top of the grounding body, the elastic arm extends around the grounding body and passes out from the bottom of the grounding body, and the second end is obliquely arranged to elastically abut against the middle frame. The grounding body is provided with an avoiding hole for avoiding the first end. The elastic arm is welded with the grounding body. The wire harness grounding device comprises a grounding body and an elastic arm fixed with the grounding body, the grounding body is fixed with the wire harness and is provided with a first contact part, the first contact part is in electrical contact with the shielding layer, the elastic arm is provided with a second contact part, when the wire harness grounding device is assembled in the accommodating groove, the elastic arm is deformed and the second contact part is in electrical contact with the middle frame. The grounding body is annular and is sleeved outside the wire harness. The grounding body comprises a first side edge and a second side edge oppositely arranged along the circumferential direction of the wire harness, a joint is formed between the first side edge and the second side edge, and the elastic arm is integrally extended from the first side edge or the second side edge. The grounding body is provided with an accommodating hole and a protruding part, the accommodating hole is recessed from one of the first side edge and the second side edge, the protruding part is extended from the other one of the first side edge and the second side edge, and the protruding part is located in the accommodating hole. The elastic arm comprises a first end and a second end oppositely arranged, the first end is connected with the first side edge or the second side edge, the second contact part is arranged at the second end, the elastic arm surrounds the grounding body, and the length of the elastic arm is greater than half of the circumference of the grounding body. The first end is located at the top of the grounding body, the elastic arm extends around the grounding body and passes out from the bottom of the grounding body, and the second end is obliquely arranged to elastically abut against the middle frame. The grounding body is provided with an avoiding hole for avoiding the first end. The elastic arm is welded with the grounding body. The wire harness grounding device comprises a grounding body and an elastic arm fixed with the grounding body, the grounding body is fixed with the wire harness and is provided with a first contact part, the first contact part is in electrical contact with the shielding layer, the elastic arm is provided with a second contact part, when the wire harness grounding device is assembled in the accommodating groove, the elastic arm is deformed and the second contact part is in electrical contact with the middle frame. The grounding body is annular and is sleeved outside the wire harness. The grounding body comprises a first side edge and a second side edge oppositely arranged along the

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