Wire harness assembly and electronic equipment
By employing a double-layer encapsulated structure for cable assemblies, connectors, and fixing devices in the wire harness assembly, the waterproofing and shock resistance issues of the wire harness assembly are solved, ensuring the stable operation of electronic equipment.
Patent Information
- Application Number
- CN202423306856.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing wiring harness assembly fixing devices have poor waterproof and shock-resistant performance.
The structure includes cable assemblies, connectors, rubber-coated parts, and fixing devices. The cable assembly includes power cables and signal cables. The connectors have through holes for wires. The rubber-coated parts are sealed with rubber. The fixing devices seal and fix the connectors to the housing of the electronic equipment, forming a double-layer rubber-coated structure to improve waterproof and shock-resistant performance.
This achieves a robust and sealed fixation of the wiring harness assembly on electronic devices, improving waterproofing and shock resistance, and ensuring the normal operation of electronic devices in harsh environments.
Smart Images
Figure CN223693424U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to connector technical field especially relates to a wire harness assembly and electronic equipment with the wire harness assembly. BACKGROUND
[0002] The existing wire harness assembly generally includes signal wire, power supply wire and fixing device, the signal wire and the power supply wire are integral structure, the signal wire is used for transmitting input signal, the power supply wire is used for transmitting current, the fixing device is plastic integrated molding, the fixing device is used for connecting wire harness assembly on electronic equipment. SUMMARY
[0003] The utility model discloses a wire harness assembly and electronic equipment with the wire harness assembly.
[0004] The utility model provides a wire harness assembly, it includes cable assembly, connecting piece, rubber coating spare and fixing device, the cable assembly includes power cable and signal cable, the connecting piece includes the positioning portion and the connecting portion at its opposite ends, the connecting piece is equipped with threading through -hole, the threading through -hole passes through the positioning portion and the connecting portion, the power cable and the signal cable are together threaded in the threading through -hole, the rubber coating spare is sealedly rubberized in the power cable and the signal cable around the positioning portion and the positioning portion, the fixing device can seal the connecting piece and be fixed in the shell of electronic equipment.
[0005] The utility model also provides an electronic equipment, it includes wire harness assembly and shell, is equipped with connecting hole on the shell, the wire harness assembly includes cable assembly, connecting piece, rubber coating spare and fixing device, the cable assembly includes power cable and signal cable, the connecting piece includes the positioning portion and the connecting portion at its opposite ends, the connecting piece is equipped with threading through -hole, the threading through -hole passes through the positioning portion and the connecting portion, the power cable and the signal cable are together threaded in the threading through -hole, the rubber coating spare is sealedly rubberized in the power cable and the signal cable around the positioning portion and the positioning portion, the fixing device can seal the connecting piece and be fixed in the shell, the connecting portion is inserted in the connecting hole, and the fixing device is fixed in the connecting portion one end after passing through the connecting hole, to make the wire harness assembly sealedly fixed in the shell.
[0006] The connecting portion of the wire harness assembly of the application is inserted into the connecting hole from the protective cover, and the fixing device is fixed in the one end of the connecting portion after passing through the connecting hole, so that the wire harness assembly is firmly and sealingly fixed to the shell. This makes the wire harness assembly on the shell have better shock resistance and better waterproof effect. BRIEF DESCRIPTION OF DRAWINGS
[0007] In order to make the technical scheme of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiments.
[0008] Figure 1 is a three-dimensional structure schematic diagram of the electronic device provided by one of the embodiments of the utility model.
[0009] Figure 2 is Figure 1 a three-dimensional structure schematic diagram of one of the wire harness assemblies of the electronic device in
[0010] Figure 3 is Figure 2 an enlarged view of III part in
[0011] Figure 4 is Figure 2 a three-dimensional structure exploded schematic diagram of the wire harness assembly in
[0012] Figure 5 is Figure 4 a further three-dimensional structure exploded schematic diagram of the wire harness assembly in
[0013] Figure 6 is Figure 5 a three-dimensional structure schematic diagram of the connecting piece and the wire assembly after assembly in
[0014] Figure 7 is Figure 5 a three-dimensional structure enlarged view of the connecting piece and the fixing device of the fixing device in
[0015] Figure 8 is Figure 1 a partial three-dimensional sectional view of the electronic device in
[0016] Figure 9 is Figure 8 an exploded schematic diagram of the electronic device in
[0017] Figure 10 is Figure 9 an enlarged view of X part in
[0018] Figure 11 is Figure 8 an enlarged view of XI part in
[0019] Figure 12 is Figure 11 a sectional schematic diagram of the electronic device in DETAILED DESCRIPTION
[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative effort should belong to the protection scope of the present application.
[0021] It should be noted that, in this paper, the "embodiment" or "implementation" means that the specific features, structures or characteristics described in combination with the embodiment or implementation can be included in at least one embodiment of the present application. The phrase appears at various places in the specification does not necessarily refer to the same embodiment, nor is it independent or alternative to other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.
[0022] The terms "first", "second" appearing in the present application are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more than two, unless otherwise specifically limited. In the description of the present application, it should be noted that, unless otherwise specifically specified and limited, the terms "mounting", "connection", "connection", "set on" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication between two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0023] Please refer to Figures 1-5The utility model discloses an electronic equipment 100 in one embodiment, it includes shell 20 and installs the wiring harness assembly 40 of shell 20, is set up the connecting hole 201 on shell 20, and wiring harness total 40 is connected in connecting hole 201 sealingly;Shell 20 includes the protective cover 24 of sealingly covering in the shell 22, and is equipped with electronic components such as circuit board, battery in shell 22;Wiring harness assembly 40 includes cable assembly 42, connecting piece 44, rubber coating 46 and fixing device 47, and cable assembly 42 includes power cable 421 and signal cable 425;Connecting piece 44 includes the positioning part 441 and the connecting part 443 at its opposite ends, and connecting piece 44 is equipped with threading through hole 440, and threading through hole 440 passes through positioning part 441 and connecting part 443, and power cable 421 and signal cable 425 are together threaded in threading through hole 440;Rubber coating 46 is sealedly rubber coated in power cable 421 and signal cable 425 around positioning part 441 and positioning part 441;Fixing device 47 can sealingly fix connecting piece 44 in shell 20.
[0024] It can be understood that the electronic equipment 100 can be, but is not limited to, a battery device, a battery cell detection device, a battery cell pairing device, etc. In the present embodiment, the electronic equipment 100 is a battery device, and the inner cavity of the shell 22 of the battery device is provided with a plurality of battery cells and a circuit board. The protective cover 24 is provided with two wiring harness assemblies 40, and the connecting pieces 44 of the two wiring harness assemblies 40 are sealingly connected to the shell 22 through the two fixing devices 47, respectively.
[0025] The connecting part 443 of the wiring harness assembly 40 of the present application is inserted into the connecting hole 201 from the outside of the protective cover 24, and the fixing device 47 is fixed to one end of the connecting part 443 after passing through the connecting hole 201, so that the wiring harness assembly 40 is firmly and sealingly fixed to the shell 20. Therefore, the waterproof effect of the wiring harness assembly 40 on the shell 20 is better, and the anti-shock effect is better.
[0026] As Figure 2 And Figures 5-6As shown, the cable assembly 42 further comprises a first power plug 422 and a second power plug 424 arranged at opposite ends of the power cable 421, and a first signal plug 426 and a second signal plug 427 arranged at opposite ends of the signal cable 425. The first power plug 422 and the first signal plug 426 are arranged at the same end of the encapsulating member 46, and the second power plug 424 and the second signal plug 427 are arranged at the end of the fixing device 47 away from the encapsulating member 46. The second power plug 424 and the second signal plug 427 are arranged in the inner cavity of the shell 20 so as to be respectively plugged into the power socket and the signal socket in the shell 20. The first power plug 422 and the first signal plug 426 are arranged outside the shell 20 so as to be respectively plugged into the power socket and the signal socket outside the shell 20. The first power plug 422, the second power plug 424, the first signal plug 426 and the second signal plug 427 can all be conventional connectors, which can be arranged flexibly according to specific application scenarios, and are not limited herein.
[0027] Optionally, the cable assembly 42 further comprises a wire collecting portion 428, which is sleeved at the end of the power cable 421 and the signal cable 425 close to the second power plug 424. The wire collecting portion 428 can be arranged through the wire passing hole 440 of the connecting piece 44, and the encapsulating member 46 is sealingly encapsulated on the wire collecting portion 428 and the positioning portion 441. Specifically, the wire collecting portion 428 is a wire collecting cylinder, which is sealingly sleeved at the end of the power cable 421 and the signal cable 425 close to the second power plug 424 and the second signal plug 427. In the embodiment, the wire collecting portion 428 is an insulating rubber cylinder sleeved on the power cable 421 and the signal cable 425.
[0028] As shown in FIGS. 1, 2 and 3, the connecting piece 44 further comprises a positioning flange 445, which is arranged on the outer circumferential surface between the positioning portion 441 and the connecting portion 443, and surrounds the wire passing hole 440 in one circle along the circumferential direction. After the connecting portion 443 is inserted through the connecting hole 201 of the shell 20, the positioning flange 445 abuts against the surrounding surface of the connecting hole 201 of the protective cover 24. The fixing device 47 comprises a locking member 472, which is locked to the end of the connecting portion 443 passing through the connecting hole 201, so that the connecting portion 443 is fixedly connected to the connecting hole 201, and the positioning flange 445 is sealingly abutted against the surrounding surface of the connecting hole 201. In the embodiment, the positioning portion 441 is a positioning cylinder, and the connecting portion 443 is a connecting cylinder. The positioning cylinder and the connecting cylinder are coaxial, the inner cavity of the positioning cylinder is communicated with the inner cavity of the connecting cylinder, the inner cavity of the positioning cylinder and the inner cavity of the connecting cylinder form the wire passing hole 440, and the positioning flange 445 is arranged on the positioning ring edge of the outer circumferential surface of the connecting cylinder. The outer diameter of the positioning portion 441 can be the same as or different from the outer diameter of the connecting portion 443. In the embodiment, the outer diameter of the positioning portion 441 is slightly smaller than the outer diameter of the connecting portion 443. In the embodiment, the locking member 472 is a locking nut. Figure 1 Figures 5-7 As shown in FIGS. 1, 2 and 3, the connecting piece 44 further comprises a positioning flange 445, which is arranged on the outer circumferential surface between the positioning portion 441 and the connecting portion 443, and surrounds the wire passing hole 440 in one circle along the circumferential direction. After the connecting portion 443 is inserted through the connecting hole 201 of the shell 20, the positioning flange 445 abuts against the surrounding surface of the connecting hole 201 of the protective cover 24. The fixing device 47 comprises a locking member 472, which is locked to the end of the connecting portion 443 passing through the connecting hole 201, so that the connecting portion 443 is fixedly connected to the connecting hole 201, and the positioning flange 445 is sealingly abutted against the surrounding surface of the connecting hole 201. In the embodiment, the positioning portion 441 is a positioning cylinder, and the connecting portion 443 is a connecting cylinder. The positioning cylinder and the connecting cylinder are coaxial, the inner cavity of the positioning cylinder is communicated with the inner cavity of the connecting cylinder, the inner cavity of the positioning cylinder and the inner cavity of the connecting cylinder form the wire passing hole 440, and the positioning flange 445 is arranged on the positioning ring edge of the outer circumferential surface of the connecting cylinder. The outer diameter of the positioning portion 441 can be the same as or different from the outer diameter of the connecting portion 443. In the embodiment, the outer diameter of the positioning portion 441 is slightly smaller than the outer diameter of the connecting portion 443. In the embodiment, the locking member 472 is a locking nut.
[0029] Optionally, the outer circumferential surface of the connecting portion 443 is provided with a positioning ring groove 446 near the positioning flange 445. The outer circumferential surface of the connecting portion 443 is provided with an external thread 447 at one end away from the positioning portion 441, and the outer circumferential surface of the connecting portion 443 is provided with a rotation-stopping surface 448; specifically, the rotation-stopping surface 448 is located at one end of the connecting portion 443 away from the positioning portion 441, and the length direction of the rotation-stopping surface 448 is parallel to the axial direction of the connecting portion 443. In this embodiment, the rotation-stopping surface 448 penetrates the external thread 447 along the axial direction of the connecting portion 443. Preferably, the outer circumferential surface of the connecting portion 443 is provided with two rotation-stopping surfaces 448 at opposite ends in the radial direction of the connecting portion 443, and each rotation-stopping surface 448 penetrates the external thread 447 along the axial direction of the connecting portion 443.
[0030] The connecting member 44 can be made of a hard metal material, such as red copper or H62 copper, etc. The connecting member 44 can also be made of a high-temperature-resistant plastic material.
[0031] Optionally, the fixing device 47 further includes a sealing ring 473, which is sleeved on the connecting portion 443 and is sealingly clamped between the positioning flange 445 and the surrounding surface of the connecting hole 201 of the shell 20. The sealing ring 473 is a waterproof rubber ring, and the inner circumferential surface of the sealing ring 473 is sealingly positioned in the positioning ring groove 446.
[0032] Optionally, the fixing device 47 further includes an elastic ring 475, which is sleeved on the connecting portion 443 and is elastically clamped by the locking member 472 and the surrounding surface of the connecting hole 201 of the shell 20. The elastic ring 475 can be, but is not limited to, an O-ring, an X-ring, or a U-ring, etc.
[0033] Optionally, the fixing device 47 further includes a flat washer 477, which is sleeved on the connecting portion 443 and is clamped by the locking member 472 and the surrounding surface of the connecting hole 201 of the shell 20. The outer diameter of the flat washer 477 is greater than or equal to the outer diameter of the elastic ring 475, and the inner diameter of the flat washer 477 is less than or equal to the inner diameter of the elastic ring 475.
[0034] Optionally, the rubber-coated member 46 includes an inner rubber-coated member 462 and an outer rubber-coated member 464, the inner rubber-coated member 462 is sealingly rubber-coated on the wire collecting portion 428 and the positioning portion 441, and the outer rubber-coated member 464 is sealingly rubber-coated on the inner rubber-coated member 462. Both the inner rubber-coated member 462 and the outer rubber-coated member 464 are made of waterproof and insulating materials, which can be, but are not limited to, polyethylene material, polyvinyl chloride material, polyimide material, silicone rubber, or glass fiber reinforced plastic, etc. Compared with the single-layer rubber coating in the prior art, the double-layer rubber coating is adopted on the positioning portion 441 and the wire collecting portion 428 in the present application, so that the waterproof effect is better.
[0035] As shown in Figure 9 and Figure 10 , the protective cover 24 is provided with a positioning ring groove around the connecting hole 201, or the shell 20 is provided with a chamfer on the hole edge of the connecting hole 201; the sealing ring 473 is positioned in the positioning ring groove or the chamfer. In the embodiment, the protective cover 24 is provided with a chamfer 203 on the opening edge of the connecting hole 201, and part of the outer circumferential surface of the sealing ring 473 is accommodated in the chamfer 203, and the chamfer 203 can be a C chamfer, an R chamfer or a linear chamfer. In other embodiments, the protective cover 24 is provided with a positioning ring groove on the surface of the opening of the connecting hole 201, and the positioning ring groove surrounds the connecting hole 201, and part of the outer circumferential surface of the sealing ring 473 is accommodated in the positioning ring groove. Specifically, the connecting hole 201 is a countersunk through hole provided on the protective cover 24, and the connecting hole 201 includes an axially interconnected large-diameter hole 204 and a small-diameter hole 205, the diameter of the large-diameter hole 204 is larger than that of the small-diameter hole 205, and the large-diameter hole 204 is closer to the outer surface of the protective cover 24 than the small-diameter hole 205, and the protective cover 24 forms a support ring 206 between the large-diameter hole 204 and the small-diameter hole 205, and the support ring 206 is used to support the positioning flange 445 of the connecting piece 44 and the encapsulating piece 46. Optionally, the protective cover 24 is provided with a rotation stopping block 207 on the inner circumferential surface of the connecting hole 201, and when the connecting part 443 is inserted into the connecting hole 201, the rotation stopping surface 448 of the connecting part 443 is attached to the rotation stopping block 207 to prevent the connecting piece 44 from rotating in the connecting hole 201. Specifically, the rotation stopping block 207 has a stopping surface 208 facing the connecting hole 201, and the stopping surface 208 can be attached to the rotation stopping surface 448 to prevent the connecting piece 44 from rotating in the connecting hole 201. In the embodiment, the protective cover 24 is provided with two connecting holes 201 spaced apart from each other.
[0036] As shown in Figures 1-5 and Figures 8-12As shown, when the wiring harness assembly 40 is assembled to the shell 20, the wire insertion portion 428 is inserted into the wire insertion hole 440 of the connecting piece 44, and then is fixed by riveting or extrusion positioning portion 441; the first encapsulation is performed on the positioning portion 441 and the wire insertion portion 428 to form the inner encapsulation 462, and the second encapsulation is performed on the power cable 421 and the signal cable 425 outside and close to the inner encapsulation 462 to form the outer encapsulation 464, so that the encapsulation 46 is encapsulated on the positioning portion 441 and the wire insertion portion 428 by double encapsulation of the inner encapsulation 462 and the outer encapsulation 464, so that the outside of the cable assembly 42 and the connecting piece 44 form a sealed environment, and the waterproof of the connecting piece 44 itself is realized; the power cable 421 and the signal cable 425 away from the connecting piece 44 are separated from each other, and have high flexibility, so that the first power plug 422 and the first signal plug 426 are conveniently operated respectively; the power cable 421 and the signal cable 425 away from the encapsulation 46 are separated from each other, and have high flexibility, so that the second power plug 424 and the second signal plug 427 are conveniently operated respectively; the sealing ring 473 is sleeved on the connecting portion 443 and is partially positioned in the positioning ring groove 446; the second power plug 424 and the second signal plug 427 are inserted into the connecting hole 201 from outside the protective cover 24, until the connecting portion 443 is inserted into the connecting hole 201, the positioning flange 445 and the encapsulation 46 are accommodated in the large-diameter hole 204, the sealing ring 473 abuts against the chamfer 203, the rotation-stopping surface 448 abuts against the stopping surface 208, the flat washer 477 is sleeved on the connecting portion 443, the elastic ring 475 is sleeved on the connecting portion 443, and the locking member 472 is screwed on the connecting portion 443, so that the locking member 472 pushes the elastic ring 475 against the washer 477, until the washer 477 abuts against the support ring 206, so that the sealing ring 473 is sealingly clamped between the positioning flange 445 and the support ring 206. Because the elastic ring 475 is elastically abutted between the locking member 472 and the flat washer 477 with a compression amount, and the sealing ring 473 is sealingly clamped between the flange 445 and the support ring 206, the wiring harness assembly 40 can be sealingly and stably connected to the shell 20, so that the inside and outside of the shell 20 have a sealed space, the wiring harness assembly and the shell 20 have a better sealing effect, the rotation-stopping surface 448 abuts against the stopping surface 208, so that the wiring harness assembly 40 is fixed in a direction and is mounted on the shell 20, the elastic ring 475 tightly fixes the wiring harness assembly 40 on the shell 20 when the locking member 472 is tightened, and has a better shockproof function, so that the electronic device 100 can continuously and stably work in a vibrating working condition, and the wiring harness assembly 40 is prevented from moving or being damaged relative to the shell 20. The power and the signal are arranged in two connectors respectively, so that multiple batteries can be connected in series or / and connected in parallel.
[0037] The electronic device 100 in the present application is a battery. When the battery is discharging, the second power plug 424 transmits the electrical energy stored in the battery to the first power plug 422 through the power cable 421; the first power plug 422 is used to output the electrical energy from the battery to an external load, thereby completing the discharging process of the battery. When the battery is charging, the external charging current flows through the first power plug 422 to the second power plug 424 by the power cable 421 and then to the inside of the battery for charging; the first power plug 422 and the second power plug 424 jointly ensure the stable flow of the current during the charging process, thereby charging the battery. The first signal plug 426 is mainly responsible for signal control and data transmission outside the battery, and the first signal plug 426 is connected with a battery management system (BMS) to provide control signals of an external system, such as charging and discharging start instructions, and to transmit state information (for example, power, voltage, temperature, etc.) of the battery. The second signal plug 427 mainly transmits the data sent by the first signal plug 426 and required to be read by the BMS to the control board of the battery through a signal cable.
[0038] In the actual use process of the electronic device 100, the electronic device 100 can be exposed to a humid or harsh environment, and moisture can enter the battery system inside the shell 20 through the joint, causing a short circuit or damage. The wire harness assembly 40 of the present application protects the battery wire harness and the connector by sealing and protecting them, prevents the invasion of moisture or other environmental factors, and ensures the normal operation of the battery and the battery management system. The connecting piece 44 provides mechanical protection for the cable assembly 42 by using a hard metal material, preventing the cable assembly 42 from being damaged or broken due to external vibration, collision or pulling. By firmly fixing the cable assembly 42 on the protective cover 24, the fixing device 47 can reduce the risk of loosening of the cable assembly 42 during use, improve the reliability and durability of the system, and be suitable for multiple scene applications. The wire harness assembly 40 can support multiple signal bit number schemes, and only needs to adjust the first power plug 422, the second power plug 424, the first signal plug 426 and the second signal plug 427 to realize the signal cable bit number, thereby improving the design flexibility.
[0039] The wire harness assembly 40 of the present application can be widely applied to various types of vehicles, communication, computer and other consumer electronics, industry, transportation and other fields. For example, it can be used as a key component in new energy vehicles, electric bicycles, electric motorcycles, electric scooters and the like, and specifically applied to the motors of various types of vehicles, and has very wide application and is not limited to the examples.
[0040] The embodiments of the present application are described in detail above, and the principles and implementation modes of the present application are described by applying specific examples. The above embodiment description is only used to help understand the method and core idea of the present application.
Claims
1. A wiring harness assembly, characterized by, It comprises: a cable assembly comprising a power cable and a signal cable; a connecting piece comprising positioning portions and connecting portions at opposite ends thereof, the connecting piece being provided with a threading hole passing through the positioning portions and the connecting portions, the power cable and the signal cable being threaded in the threading hole; a rubberized piece sealingly rubberizing the power cable and the signal cable around the positioning portions; and a fixing device capable of sealingly fixing the connecting piece to a housing of an electronic device.
2. The wire harness assembly of claim 1, wherein, The connecting piece further comprises a positioning flange on the peripheral surface between the positioning portions and the connecting portions, the positioning flange being provided around the threading hole in a circumferential direction; the housing is provided with a connecting hole, the connecting portions are inserted into the connecting hole, the fixing device comprises a locking piece, the locking piece is locked to one end of the connecting portions passing through the connecting hole, so that the connecting portions are fixedly connected to the connecting hole, and the positioning flange is sealingly abutted against the peripheral surface of the housing at the connecting hole.
3. The wire harness assembly of claim 2, wherein, The fixing device further comprises a sealing ring, the sealing ring is sleeved on the connecting portions, and the sealing ring is sealingly clamped between the positioning flange and the peripheral surface of the housing at the connecting hole.
4. The wire harness assembly of claim 3, wherein, The peripheral surface of the housing at the connecting hole is provided with a positioning ring groove, or the hole edge of the housing at the connecting hole is provided with a chamfer; the sealing ring is positioned in the positioning ring groove or the chamfer.
5. The wire harness assembly of claim 2, wherein, The fixing device further comprises an elastic ring, the elastic ring is sleeved on the connecting portions, and the elastic ring is elastically clamped by the locking piece and the peripheral surface of the housing at the connecting hole.
6. The wire harness assembly of claim 2, wherein, The fixing device further comprises a flat washer, the flat washer is sleeved on the connecting portions, and the flat washer is clamped by the locking piece and the peripheral surface of the housing at the connecting hole.
7. The wire harness assembly of claim 2, wherein, The inner peripheral surface of the housing at the connecting hole is provided with a rotation stopping block, and the outer peripheral surface of the connecting portions is provided with a rotation stopping surface opposite to the rotation stopping block, and the rotation stopping surface is fitted to the rotation stopping block.
8. The wire harness assembly of claim 1, wherein, The cable assembly further comprises a wire collecting portion, the wire collecting portion is sleeved on the power cable and the signal cable, the wire collecting portion is threaded in the threading hole, and the rubberized piece sealingly rubberizes the wire collecting portion and the positioning portions.
9. The wire harness assembly of claim 8, wherein, The rubberized piece comprises an inner rubberized piece and an outer rubberized piece, the inner rubberized piece sealingly rubberizes the wire collecting portion and the positioning portions, and the outer rubberized piece sealingly rubberizes the inner rubberized piece.
10. An electronic device, comprising: The electronic device comprises the wire harness assembly and the housing according to any one of claims 1-9, the housing is provided with a connecting hole, the connecting portions of the wire harness assembly are inserted into the connecting hole, and the fixing device is fixed to one end of the connecting portions passing through the connecting hole, so that the wire harness assembly is sealingly fixed to the housing.