Rear axle housing wire harness penetration protection device

Abstract

The utility model belongs to the technical field of vehicle accessories, and particularly relates to a rear axle housing wire harness penetration protection device which comprises a fixing ring block, a supporting cover piece, a wire harness cover plate and a plurality of cable gland heads. According to the utility model, a multi-layer sealing protection structure is constructed when the high-voltage wire harness penetrates into the rear axle housing through the close fit of all the parts, the dustproof and waterproof performance is good, the internal parts of the rear axle housing can be effectively guaranteed, the parts are simple in structure, the installation process is simple and convenient, the parts can be independently replaced during maintenance, and the maintenance cost and difficulty are reduced; and customization can be carried out according to different wire harness specifications, adaptability is high, and diversified user requirements are met.

Description

Technical Field

[0001] This utility model belongs to the field of vehicle parts technology, specifically relating to a rear axle housing wiring harness insertion protection device. Background Technology

[0002] In numerous fields such as mining and large-scale engineering construction, new energy mining trucks play an indispensable role as important transportation tools. Thanks to their new energy power systems, they possess significant advantages such as environmental friendliness and high efficiency. However, the working environment faced by new energy mining trucks is often complex and harsh, with vehicles encountering significant amounts of dust and rain during operation.

[0003] The rear axle housing of new energy mining trucks integrates hydraulic components, electrical interfaces and other components. Therefore, high-voltage wiring harnesses need to be run into the rear axle housing to achieve power transmission and signal interaction. However, if the rear axle housing becomes damp or dusty, it can easily cause wear on hydraulic components, damage electrical connections and accelerate component corrosion. It may also cause electrical short circuits and endanger driving safety.

[0004] However, in the existing technology, when the high-voltage wiring harness is inserted into the rear axle housing, most of them only use a single-layer sheath or simple glue seal. Its sealing performance is poor, and it cannot effectively prevent dust and rainwater from entering. Moreover, the structure is complicated, and the installation and maintenance are inconvenient, which increases the manufacturing cost and operating cost of the vehicle. Utility Model Content

[0005] The purpose of this invention is to provide a rear axle housing wiring harness insertion protection device, which solves the technical problem in the prior art that the rear axle housing of mining trucks cannot be protected against dust and water when high-voltage wiring harnesses are inserted.

[0006] This utility model discloses a rear axle housing wiring harness insertion protection device, wherein the outer surface of the rear axle housing is provided with a mounting through hole, and the protection device includes:

[0007] A fixed ring block, having a ring-shaped structure, is inserted into the mounting through hole;

[0008] A support cover is fitted over the fixing ring block and installed on the outer surface of the rear axle housing;

[0009] A wire harness cover plate is installed on the outer end of the fixing ring block and completely covers the inner hole of the fixing ring block, and the wire harness cover plate is provided with multiple wire harness through holes;

[0010] Multiple glands are inserted one-to-one with the through holes of the wire harness.

[0011] This application constructs a multi-layered sealed protection structure when the high-voltage wiring harness enters the rear axle housing through the close cooperation of various components. It has good dustproof and waterproof performance, which can effectively protect the internal components of the rear axle housing. Moreover, the component structure is simple, the installation process is convenient, and individual replacement can be performed during maintenance, reducing maintenance costs and difficulty. It can also be customized according to different wiring harness specifications, making it highly adaptable and meeting diverse user needs.

[0012] Based on the above technical solution, the solution of this application can be further improved as follows:

[0013] Preferably, the outer contour of the fixing ring block is adapted to the inner contour of the mounting through hole; this solution reduces the gap between the two, effectively preventing the intrusion of dust and rainwater, and enhances the sealing stability, preventing loosening or displacement; it also provides precise positioning for installation, making installation more convenient and efficient; at the same time, it enhances the connection strength and ensures structural stability.

[0014] Preferably, the fixing ring block has a U-shaped structure and the corners are arc-shaped filters. This solution enhances its stability, has stronger resistance to deformation, provides a larger installation support surface, optimizes the wiring harness layout space, avoids mutual entanglement and interference between wiring harnesses, improves the installation quality and maintenance convenience of the wiring harness, reduces stress concentration, improves structural strength and durability, and extends service life.

[0015] Preferably, the shape and size of the wire harness cover plate are consistent with the outer contour of the fixing ring block. This solution enables the wire harness cover plate to fit precisely into the fixing ring block, thereby ensuring sealing and structural stability, optimizing spatial layout, simplifying the installation process, improving appearance regularity, enhancing adaptability, facilitating subsequent maintenance, and reducing usage and maintenance costs.

[0016] Preferably, it includes:

[0017] A sealing gasket is placed between the fixing ring block and the wire harness cover plate. This solution enhances the sealing performance, tightly fills the tiny gaps between the two, forms a reliable sealing barrier, effectively blocks the intrusion of dust, rainwater, etc., and improves the protective effect.

[0018] Preferably, the fixing ring block and the wire harness cover are detachably connected. This solution allows the wire harness cover to be removed from the fixing ring block without damaging the overall structure, reducing maintenance costs and difficulty. It also allows for flexible replacement of the appropriate wire harness cover according to different wire harness specifications or usage requirements, thereby enhancing versatility and adaptability, and effectively improving practicality and maintenance convenience.

[0019] Preferably, it includes:

[0020] Multiple bolts are used, and multiple threaded holes are provided on the outer end of the fixing ring block. Multiple connecting holes corresponding to the threaded holes are provided on the wire harness cover plate. The bolts pass through the connecting holes and are tightened into the threaded holes. This solution has a simple structure and a stable connection. It is convenient for subsequent disassembly, maintenance, replacement of parts or inspection of internal structure. It can also ensure that the two fit tightly, maintain good sealing performance and ensure the reliability of the seal.

[0021] Preferably, the wire harness through holes are evenly distributed in a rectangular array on the wire harness cover plate. This solution facilitates the insertion and fixing of the wire harness, and allows the wire harness to be quickly and accurately arranged in the corresponding position according to the requirements, improving the efficiency and accuracy of wire harness installation. It also ensures that the force on each part of the wire harness cover plate is relatively balanced, avoiding deformation or damage caused by local force concentration, and enhancing structural stability.

[0022] Through the above technical solution, this utility model achieves the following beneficial effects:

[0023] 1. This application constructs a multi-layered sealed protection structure when the high-voltage wiring harness enters the rear axle housing through the close cooperation of various components. It has good dustproof and waterproof performance and can effectively protect the internal components of the rear axle housing.

[0024] 2. The components of this application have simple structures and easy installation processes. They can be replaced individually during maintenance, thereby reducing manufacturing and maintenance costs and difficulties. They can also be customized according to different wire harness specifications, making them highly adaptable and meeting diverse user needs. Attached Figure Description

[0025] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0026] Figure 1 This is a perspective view of the rear axle housing wiring harness insertion protection device described in the embodiments of this application;

[0027] Figure 2 for Figure 1 The diagram shows the structure of the rear axle housing wiring harness passing through the protective device.

[0028] Figure 3 for Figure 1 The diagram shows the usage status of the rear axle housing wiring harness inserted into the protective device.

[0029] Explanation of reference numerals in the attached figures:

[0030] A. Rear axle housing; A1. Mounting through hole;

[0031] 1. Fixing ring block; 11. Threaded hole; 2. Support cover plate; 3. Wire harness cover plate; 31. Wire harness through hole; 32. Connecting hole; 4. Gland head; 5. Bolt. Detailed Implementation

[0032] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0033] First, it should be noted that some directional terms used in the following description to clearly illustrate the technical solution of this utility model, such as the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," and "outer," are all derived from the normal orientation of the components in the rear axle housing wiring harness passing through the protective device. They are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0034] In this application, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0035] To better understand the above technical solutions, the following will provide a detailed description of the technical solutions in conjunction with the accompanying drawings and specific embodiments.

[0036] Example:

[0037] like Figure 1 As shown in the figure, this application discloses a rear axle housing wiring harness insertion protection device, which is used to realize the dustproof and waterproof function when the high voltage wiring harness is inserted into the rear axle housing. Its specific structure includes: a fixing ring block 1, a support cover 2, a wiring harness cover plate 3, and multiple gland heads 4.

[0038] The fixing ring 1 has a ring structure and is inserted into the mounting through hole A1 opened on the outer surface of the rear axle housing A. It serves as a basic support component and provides a stable channel for the wire harness to pass through.

[0039] The support cover 2 is sleeved outside the fixing ring block 1 and installed on the outer surface of the rear axle housing A. It is preferably fixed by welding and fits tightly with the outer surface of the rear axle housing A, ensuring sealing performance and fixing the fixing ring block 1 to prevent it from loosening or shifting.

[0040] The wiring harness cover 3 is installed on the outer end of the fixing ring block 1 and completely covers the inner hole of the fixing ring block 1. It is used to block external dust and rainwater and protect the internal components of the rear axle housing A from damage. The wiring harness cover 3 has multiple wiring harness through holes 31 to allow the wiring harness to be inserted into the rear axle housing A in an orderly manner without affecting the sealing performance during insertion.

[0041] Multiple glands 4 are inserted one-to-one with the wiring harness through holes 31. They fit tightly with the wiring harness, effectively sealing the gap between the wiring harness and the wiring harness through holes 31, preventing dust and rainwater from entering the rear axle housing A from this part. They also play a role in fixing the wiring harness, preventing the wiring harness from shaking or shifting, and improving the service life and reliability of the wiring harness.

[0042] The above technical solution, through the close cooperation of various components, constructs a multi-layered sealed protection structure when the high-voltage wiring harness enters the rear axle housing A. It has good dustproof and waterproof performance, which can effectively protect the internal components of the rear axle housing A. Moreover, the component structure is simple, the installation process is convenient, and individual replacement can be performed during maintenance, reducing maintenance costs and difficulties. It can also be customized according to different wiring harness specifications, making it highly adaptable and meeting diverse user needs.

[0043] In some embodiments, such as Figure 2 As shown, the outer contour of the fixing ring block 1 matches the inner contour of the mounting through hole A1; it reduces the gap between the two, effectively blocking the intrusion of dust and rainwater, and enhances the sealing stability, preventing loosening or displacement; it also provides precise positioning for installation, making installation more convenient and efficient; at the same time, it enhances the connection strength and ensures structural stability.

[0044] In some embodiments, such as Figure 2 As shown, the fixing ring block 1 has a U-shaped structure and an arc-shaped filter at the corner; it enhances its own stability, has stronger resistance to deformation, provides a larger installation support surface, optimizes the layout space of the wire harness, avoids mutual entanglement and interference between wire harnesses, improves the installation quality and maintenance convenience of the wire harness, reduces stress concentration, improves structural strength and durability, and extends service life.

[0045] In some embodiments, such as Figure 1As shown, the shape and size of the wire harness cover 3 are consistent with the outer contour of the fixing ring block 1, so that the wire harness cover 3 can accurately fit the fixing ring block 1, ensuring sealing and structural stability, while also optimizing the spatial layout, simplifying the installation process, improving the appearance regularity, enhancing adaptability, facilitating subsequent maintenance, and reducing the cost of use and maintenance.

[0046] In some embodiments, the device further includes a sealing gasket disposed between the fixing ring block 1 and the wire harness cover plate 3, thereby enhancing the sealing performance, tightly filling the tiny gaps between the two, forming a reliable sealing barrier, effectively blocking the intrusion of dust, rainwater, etc., and improving the protective effect.

[0047] In some embodiments, the fixing ring block 1 and the wire harness cover plate 3 are detachably connected, so that the wire harness cover plate 3 can be removed from the fixing ring block 1 without damaging the overall structure, reducing maintenance costs and difficulties, and making it convenient to flexibly replace the appropriate wire harness cover plate 3 according to different wire harness specifications or usage requirements, thereby enhancing versatility and adaptability, and effectively improving practicality and maintenance convenience.

[0048] Based on the above embodiments, such as Figure 2 As shown, it includes multiple bolts 5, multiple threaded holes 11 are provided on the outer end of the fixing ring block 1, and multiple connecting holes 32 corresponding to the threaded holes 11 are provided on the wire harness cover plate 3. The bolts 5 pass through the connecting holes 32 and are tightened into the threaded holes 11.

[0049] The above design has a simple structure and a solid connection, which facilitates subsequent disassembly, maintenance, replacement of parts or inspection of the internal structure, and ensures that the two fit tightly together, maintain good sealing performance and guarantee the reliability of the seal.

[0050] In some embodiments, such as Figure 2 As shown, the wire harness through holes 31 are evenly distributed in a rectangular array on the wire harness cover plate 3.

[0051] The above layout ensures that the wire harness through holes 31 are arranged neatly and orderly, facilitating the insertion and fixing of the wire harness. It also allows the wire harness to be quickly and accurately placed in the corresponding position according to the needs, improving the efficiency and accuracy of wire harness installation. Furthermore, it ensures that the force on each part of the wire harness cover plate 3 is relatively balanced, avoiding deformation or damage caused by localized force concentration, and enhancing structural stability.

[0052] The above technical solutions, such as Figure 3 As shown, the installation process is as follows:

[0053] Step 1: Open a mounting through hole A1 on the outer surface of the rear axle housing A;

[0054] Step 2: Fit the support cover 2 onto the outside of the fixing ring block 1 and weld it in place;

[0055] Step 3: Insert the fixing ring 1 into the mounting through hole A1 until the support cover 2 is tightly attached to the outer surface of the rear axle housing A, and then weld the support cover 2 to the rear axle housing A to fix it.

[0056] Step 4: Insert the gland 4 into the wire harness through holes 31 on the wire harness cover plate 3 one by one;

[0057] Step 5: Pass the high-voltage wiring harness through the gland 4 one by one, and then through the fixing ring block 1 into the rear axle housing A to connect with the equipment.

[0058] Step 6: Place the sealing gasket on the outer end of the fixing ring 1 to cover the area of ​​the fixing ring 1 that contacts the wire harness cover plate 3;

[0059] Step 7: Hold the wire harness cover plate 3 and align the connecting hole 32 on it with the threaded hole 11 on the outer end of the fixing ring block 1.

[0060] Step 8: From the outside of the wire harness cover plate 3, pass the bolts 5 through the corresponding connecting holes 32 in sequence, and then use a wrench to tighten the bolts 5 one by one so that they are screwed into the corresponding threaded holes 11, thereby completing the installation and fixing of the wire harness cover plate 3.

[0061] Numerous specific details are set forth in this specification. However, it will be understood that embodiments of this invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification.

[0062] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A rear axle housing wiring harness insertion protection device, characterized in that, The outer surface of the rear axle housing has a mounting through hole, and the protective device includes: A fixed ring block, having a ring-shaped structure, is inserted into the mounting through hole; A support cover is fitted over the fixing ring block and installed on the outer surface of the rear axle housing; A wire harness cover plate is installed on the outer end of the fixing ring block and completely covers the inner hole of the fixing ring block, and the wire harness cover plate is provided with multiple wire harness through holes; Multiple glands are inserted one-to-one with the through holes of the wire harness.

2. The rear axle housing wiring harness insertion protection device according to claim 1, characterized in that, The outer contour of the fixing ring block is adapted to the inner contour of the mounting through hole.

3. The rear axle housing wiring harness insertion protection device according to claim 2, characterized in that, The fixed ring block has a loop-shaped structure, and the corners are curved.

4. The rear axle housing wiring harness insertion protection device according to claim 1, characterized in that, The shape and dimensions of the wire harness cover plate are consistent with the outer contour of the fixing ring block.

5. The rear axle housing wiring harness insertion protection device according to claim 1, characterized in that, include: A sealing gasket is disposed between the fixing ring block and the wire harness cover plate.

6. The rear axle housing wiring harness insertion protection device according to claim 1, characterized in that, The fixing ring block and the wire harness cover plate are detachably connected.

7. The rear axle housing wiring harness insertion protection device according to claim 6, characterized in that, include: Multiple bolts are provided, and multiple threaded holes are provided on the outer end of the fixing ring block. Multiple connecting holes corresponding to the threaded holes are provided on the wire harness cover plate. The bolts pass through the connecting holes and are tightened into the threaded holes.

8. The rear axle housing wiring harness insertion protection device according to claim 1, characterized in that, The wire harness through holes are evenly distributed in a rectangular array on the wire harness cover plate.

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