Wrench assembly for fastening wired aviation plug

By designing a wrench assembly for tightening the wired aviation plug, the problems of poor manual fixing and installation in a small space are solved, and efficient tightening and stable installation are achieved, which saves time and effort and adapts to complex environments.

CN223383396UActive Publication Date: 2025-09-26CHANGCHUN LANBAO INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Application Number
CN202521592342.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-29
Publication Date
2025-09-26
Estimated Expiration
2035-07-29

AI Technical Summary

Technical Problem

When installing aviation plugs, manual fixing is ineffective and laborious, especially in confined spaces or with obstructions. Conventional wrenches are difficult to install effectively, resulting in unreliable power supply and wire number transmission, and may even damage the product.

Method used

A wrench assembly for tightening wired aviation plugs is designed, including a tightening wrench and a fixing wrench. The tightening wrench fixes the nut through the nut sleeve and the tightening handle, and the fixing wrench fixes the plug through the aviation plug sleeve and the fixing knob to ensure that the plug does not rotate. The tightening handle drives the nut to rotate to tighten it. The nut sleeve opening passes through the wiring harness to avoid affecting the installation.

Benefits of technology

It improves the installation and fixing effect of the aviation plug, saves time and effort, ensures the fastening quality, adapts to installation in small spaces, avoids damage to the wiring harness, and improves installation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a wrench assembly for fastening a wired aviation plug, belongs to the technical field of installation and fixation of electrical elements, and solves the problems that the effect of manually fixing the aviation plug is poor, and a conventional wrench is inconvenient to install when the installation space is narrow. In the wrench assembly for fastening the wired aviation plug, a fastening wrench comprises a nut sleeve and a fastening handle, the fastening handle is fixedly connected with the side wall of the nut sleeve, the nut sleeve is provided with a matching hole, the matching hole can be connected with a nut in a clamped mode, the side face of the nut sleeve is provided with an opening, the opening is communicated with the matching hole, and a wire harness of the aviation plug can penetrate through the opening. A distance is set between the joint of the fastening handle and the nut sleeve and the end part of the nut sleeve; the fixing wrench comprises an aviation plug sleeve and a fixing knob, the aviation plug sleeve is fixedly sleeved with the fixing knob, the aviation plug sleeve can fix the position of an aviation plug, and the fixing knob can provide a handheld position. According to the wrench assembly, the fixing effect of the aviation plug can be improved, and the nut can also be fastened in a narrow space.
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Description

Technical Field

[0001] The utility model belongs to the technical field of installation and fixing of electrical components, in particular to a wrench assembly for fastening an aviation plug with a wire. Background Art

[0002] Aviation plugs offer high reliability, durability, waterproof and dustproof features, a modular plug-in design, and a variety of pin configurations, ensuring stable signal and power transmission. They are widely used in aviation / aerospace, energy, industrial automation, infrastructure, and mining. With standardized interfaces, modular customization, and the ability to adapt to complex operating conditions, aviation plugs are gradually replacing traditional connection solutions and developing towards high-density integration and intelligent monitoring to meet the increasingly stringent demands of various industries.

[0003] When installing an aviation plug with a pre-welded wiring harness, a standard open-end wrench or a variable-end wrench is most commonly used. This typically requires one hand to hold the plug in place while the other hand rotates the nut with the wrench, resulting in poor and laborious securing. Furthermore, in specialized installation environments, where the space between the nut and the plug is narrow or even obstructed, conventional wrenches are inconvenient. A poorly secured plug can easily lead to unreliable power supply and wire number transmission, and in severe cases, damage to the product in which it is installed, endangering personal and property safety. Utility Model Content

[0004] In view of this, in order to solve the problem that fixing the aviation plug by hand is poor and laborious, and in a special installation environment, that is, the space between the nut and the aviation plug is small or there are even obstacles, it is inconvenient to install with a conventional wrench, the utility model proposes a wrench assembly for tightening the aviation plug with a wire.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A wrench assembly for tightening a wired aviation plug, comprising:

[0007] A tightening wrench comprising a nut sleeve and a tightening handle, wherein the tightening handle is fixedly connected to the side wall of the nut sleeve, the nut sleeve is provided with a mating hole, the mating hole being capable of engaging with a nut, the side of the nut sleeve being provided with an opening, the opening being in communication with the mating hole, and the wiring harness of an aviation plug being capable of passing through the opening; the connection between the tightening handle and the nut sleeve is at a set distance from the end of the nut sleeve;

[0008] A fixed wrench includes an aviation plug sleeve and a fixed knob. The fixed knob is fixedly sleeved on the aviation plug sleeve. The aviation plug sleeve can fix the position of the aviation plug, and the fixed knob can provide a hand-held position.

[0009] As a preferred solution of the wrench assembly for tightening the wired aviation plug, the cross section of the mating hole is a regular dodecagon.

[0010] As a preferred solution of the wrench assembly for tightening the wired aviation plug, the extending direction of the matching hole is perpendicular to the extending direction of the tightening handle.

[0011] As a preferred solution of the above-mentioned wrench assembly for tightening the wired aviation plug, a reinforcing rib is fixedly provided on the outer circumference of the nut sleeve, and the reinforcing rib is fixedly connected to the tightening handle.

[0012] As a preferred solution of the wrench assembly for tightening the wired aviation plug, a limiting plane is provided on the inner circumference of the aviation plug sleeve, and the limiting plane is used to prevent the aviation plug sleeve from rotating relative to the aviation plug.

[0013] As a preferred solution of the wrench assembly for tightening the wired aviation plug, the fixing knob is provided with a plurality of convex bumps at intervals along the circumferential direction.

[0014] As a preferred solution of the wrench assembly for tightening the wired aviation plug, the size of the opening is smaller than the length of a single side of the nut.

[0015] As a preferred solution of the wrench assembly for tightening the wired aviation plug, the edge of the opening is chamfered.

[0016] As a preferred solution of the wrench assembly for tightening the wired aviation plug, the intersection of each two adjacent surfaces of the outer circumference of the tightening handle is connected by rounded corners.

[0017] As a preferred solution of the wrench assembly for tightening the wired aviation plug, the intersection of each two adjacent surfaces of the outer circumference of the fixing knob is connected by a rounded corner.

[0018] Compared with the prior art, the wrench assembly for tightening a wired aviation plug provided by the present invention has the following beneficial effects:

[0019] The utility model provides a wrench assembly for tightening a wired aviation plug. In the wrench assembly for tightening a wired aviation plug, a fixed wrench is used to fix the aviation plug to prevent misalignment caused by rotation of the aviation plug during installation, and a tightening wrench is used to tighten a nut. In the fixed wrench, a fixed knob provides a hand-held position, and an aviation plug sleeve is used to fix the position of the aviation plug to prevent rotation of the aviation plug during installation. In the tightening wrench, a tightening handle performs a manual tightening function and provides a hand-held position. The nut sleeve is used to engage with the nut, thereby driving the nut to rotate relative to the aviation plug, thereby tightening the nut to the aviation plug.

[0020] When using the wrench assembly for tightening the wired aviation plug for installation, first connect the fixing wrench to the end of the aviation plug away from the wiring harness to fix the position of the aviation plug to prevent the aviation plug from rotating during the installation process, and then tighten the nut to the aviation plug with the tightening wrench. Hold the fixing knob with one hand and the tightening handle with the other hand and apply a reverse force. The force is transmitted to the nut sleeve through the tightening handle, driving the nut to rotate relative to the aviation plug until the nut is tightened. This can improve the fixing effect of the aviation plug during the installation process and save time and effort.

[0021] In the wrench assembly for tightening the wired aviation plug, the connection between the tightening handle and the nut sleeve is set a distance away from the end of the nut sleeve. Even if the installation space is small, or even the nut needs to be installed deep in the mounting plate, the nut sleeve can extend into it and drive the nut to rotate. The tightening handle will not interfere with the mounting plate, so the nut sleeve can be effectively matched with the nut, ensuring the tightening quality.

[0022] In this wrench assembly for tightening a wired aviation plug, an opening is provided on the side of the nut sleeve for passing the wiring harness attached to the aviation plug without affecting the plug's tightening. The wiring harness can be passed through the nut sleeve opening without damaging the wiring harness and eliminating the need to pass the entire harness through the middle of the mating hole when the wiring harness is long. This ensures a secure tightening effect and improves installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings, which constitute part of the present invention, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 This is an assembly diagram of a wrench assembly and a mounting plate for tightening a wired aviation plug provided by a specific embodiment of the utility model;

[0025] Figure 2 This is an assembly diagram of a wrench assembly, an aviation plug, and a nut for tightening a wired aviation plug provided by a specific embodiment of the utility model;

[0026] Figure 3 This is the assembly drawing of the mounting plate, aviation plug, and nut;

[0027] Figure 4 This is a structural diagram of a tightening wrench of a wrench assembly for tightening a wired aviation plug provided by a specific embodiment of the utility model;

[0028] Figure 5 This is a structural diagram of a fixed wrench of a wrench assembly for tightening an aviation plug with a wire provided by a specific embodiment of the utility model;

[0029] Figure 6 It is a structural diagram of the aviation plug and nut.

[0030] In the picture:

[0031] 1. Nut sleeve; 11. Opening;

[0032] 2. Tighten the handle;

[0033] 3. Aviation plug sleeve; 31. Limit plane;

[0034] 4. Fixed knob; 41. Convex hull;

[0035] 5. Mounting plate;

[0036] 6. Aviation plug;

[0037] 7. Nut;

[0038] 8. Strengthen the ribs. DETAILED DESCRIPTION

[0039] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely explain the technical solutions in the embodiments of the present invention. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other in the absence of conflict, and the embodiments described are only part of the embodiments of the present invention, not all of the embodiments.

[0040] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0041] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0042] In the description of this embodiment, terms such as "upper," "lower," and "right" are used to refer to positions or locations based on the positions or locations shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0043] See also Figure 1-6 Description of this embodiment: The utility model provides a wrench assembly for tightening an aviation plug with a wire, the wrench assembly for tightening an aviation plug with a wire includes a tightening wrench and a fixed wrench, the tightening wrench includes a nut sleeve 1 and a tightening handle 2, the tightening handle 2 is fixedly connected to the side wall of the nut sleeve 1, the nut sleeve 1 is provided with a matching hole, the matching hole can be clamped with the nut 7, the side of the nut sleeve 1 is provided with an opening 11, the opening 11 is connected to the matching hole, the wiring harness of the aviation plug 6 can pass through the opening 11, the connection between the tightening handle 2 and the nut sleeve 1 is set a distance from the end of the nut sleeve 1; the fixed wrench includes an aviation plug sleeve 3 and a fixed knob 4, the fixed knob 4 is fixedly sleeved on the aviation plug sleeve 3, the aviation plug sleeve 3 can fix the position of the aviation plug 6, and the fixed knob 4 can provide a hand-held position.

[0044] The wrench assembly for tightening the wired aviation plug, the fixed wrench is used to fix the aviation plug 6 to prevent the misalignment caused by the rotation of the aviation plug 6 during the installation process, and the tightening wrench is used to tighten the nut 7. In the fixed wrench, the fixed knob 4 provides a hand-held position, and the aviation plug sleeve 3 is used to fix the position of the aviation plug 6 to prevent the aviation plug 6 from rotating during the installation process. In the tightening wrench, the tightening handle 2 plays a manual tightening role and provides a hand-held position. The nut sleeve 1 is used to engage with the nut 7, so that the nut 7 can be driven to rotate relative to the aviation plug, and then the nut 7 is tightened on the aviation plug 6. An opening 11 is provided on the side of the nut sleeve 1, and the opening 11 is used to pass the wiring harness of the aviation plug 6 without affecting the tightening of the aviation plug 6.

[0045] During the installation process using the wrench assembly for tightening the wired aviation plug, a wiring harness is connected to the aviation plug 6, and a round hole is opened on the mounting plate 5. The wiring harness is passed through the round hole on the mounting plate 5. At this time, the limiting ring on the aviation plug 6 abuts against one side of the mounting plate 5. It is necessary to use a nut 7 to screw it to the aviation plug 6 and abut against the other side of the mounting plate 5 to fix the aviation plug 6 on the mounting plate 5. When tightening the nut 7, first connect the end of the aviation plug 6 away from the wiring harness through the fixing wrench to fix the position of the aviation plug 6 to prevent the aviation plug 6 from rotating during the installation process, and then tighten the nut 7 to the aviation plug 6 through the tightening wrench. The opening 11 of the nut sleeve 1 passes through the wiring harness, and the nut sleeve 1 is set on the nut 7 to make the nut sleeve 1 and the nut 7 clamped. Hold the fixing knob 4 with one hand and the tightening handle 2 with the other hand and apply a reverse force. The force is transmitted to the nut sleeve 1 through the tightening handle 2, driving the nut 7 to rotate relative to the aviation plug 6 until the nut 7 is tightened. The aviation plug 6 with wires can be tightened in place and the rotation of the aviation plug 6 can be effectively avoided. After tightening, the nut sleeve 1 is removed so that the wiring harness just passes through the opening 11 of the nut sleeve 1. In this way, the wiring harness is not damaged, and there is no need to pass the entire wiring harness through the middle of the matching hole when the wiring harness is long. This ensures the tightening effect and improves the installation efficiency.

[0046] In the wrench assembly for tightening the wired aviation plug, the connection between the tightening handle 2 and the nut sleeve 1 is set a distance away from the end of the nut sleeve 1. Even if the installation space is small, or even the nut 7 needs to be installed deep in the mounting plate 5, the nut sleeve 1 can be inserted into it and drive the nut 7 to rotate. The tightening handle 2 will not interfere with the mounting plate 5, so that the nut sleeve 1 and the nut 7 can be effectively matched, ensuring the tightening quality.

[0047] Optionally, the cross section of the fitting hole is a regular dodecagon, which is composed of two regular hexagons offset by 30°.

[0048] Optionally, the extending direction of the mating hole is perpendicular to the extending direction of the fastening handle 2. This allows the nut sleeve 1 to extend deep into the mounting plate 5 when the installation space is narrow or the nut 7 needs to be deep in the mounting plate 5, while the fastening handle 2 remains outside the mounting plate 5, ensuring smooth installation.

[0049] Optionally, a reinforcing rib 8 is fixedly provided on the outer circumference of the nut sleeve 1, and the reinforcing rib 8 is fixedly connected to the tightening handle 2. Providing the reinforcing rib 8 on the outside of the nut sleeve 1 can improve the structural strength of the nut sleeve 1.

[0050] Optionally, a stop surface 31 is provided on the inner circumference of the aviation plug sleeve 3 to prevent the aviation plug sleeve 3 from rotating relative to the aviation plug 6. It is understood that a stop is also provided on the outer circumference of the end of the aviation plug 6 away from the wiring harness. When the stop corresponds to the stop surface 31 of the aviation plug sleeve 3, the aviation plug sleeve 3 can engage with the aviation plug 6, thereby preventing the aviation plug 6 from rotating.

[0051] Optionally, the fixing knob 4 is provided with a plurality of convex bumps 41 at intervals along the circumferential direction. The plurality of convex bumps 41 on the outer periphery of the fixing knob 4 form a plum blossom structure, which conforms to the ergonomic design, is convenient for the staff to hold the fixing knob 4, and can make the fixing more labor-saving and effective.

[0052] Optionally, the size of the opening 11 is smaller than the length of one side of the nut 7, so as to avoid affecting the fastening quality.

[0053] Optionally, the edge of the opening 11 is chamfered to prevent the wire harness from being scratched when passing through the opening.

[0054] Optionally, each intersection of two adjacent surfaces of the outer periphery of the fastening handle 2 is connected by rounded corners.

[0055] Optionally, the intersection of each two adjacent surfaces of the outer periphery of the fixing knob 4 is connected by a rounded corner. The tightening handle 2 and the fixing knob 4 are designed with rounded corners at the right angles on the edge side, so that the force-bearing area of ​​the palm is increased during the entire use process, avoiding discomfort or even scratches on the palm.

[0056] Obviously, the embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Numerous modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. An exhaustive list of all possible embodiments is unnecessary and impossible.

Claims

1. A wrench assembly for tightening a wired aviation plug, characterized in that: include: A tightening wrench comprises a nut sleeve (1) and a tightening handle (2), wherein the tightening handle (2) is fixedly connected to the side wall of the nut sleeve (1), the nut sleeve (1) is provided with a matching hole, the matching hole can be engaged with the nut (7), the side of the nut sleeve (1) is provided with an opening (11), the opening (11) is communicated with the matching hole, and the wiring harness of the aviation plug (6) can pass through the opening (11); the connection between the tightening handle (2) and the nut sleeve (1) is set at a distance from the end of the nut sleeve (1); The fixed wrench comprises an aviation plug sleeve (3) and a fixed knob (4). The fixed knob (4) is fixedly sleeved on the aviation plug sleeve (3). The aviation plug sleeve (3) can fix the position of the aviation plug (6), and the fixed knob (4) can provide a hand-held position.

2. The wrench assembly for tightening a wired aviation plug according to claim 1, characterized in that: The cross section of the matching hole is a regular dodecagon.

3. The wrench assembly for tightening a wired aviation plug according to claim 1, characterized in that: The extending direction of the matching hole is perpendicular to the extending direction of the fastening handle (2).

4. The wrench assembly for tightening a wired aviation plug according to claim 1, characterized in that: A reinforcing rib (8) is fixedly provided on the outer peripheral surface of the nut sleeve (1), and the reinforcing rib (8) is fixedly connected to the fastening handle (2).

5. The wrench assembly for tightening a wired aviation plug according to claim 1, characterized in that: The inner circumferential surface of the aviation plug sleeve (3) is provided with a limiting plane (31), and the limiting plane (31) is used to prevent the aviation plug sleeve (3) from rotating relative to the aviation plug (6).

6. The wrench assembly for tightening a wired aviation plug according to claim 1, characterized in that: The fixed knob (4) is provided with a plurality of convex bumps (41) at intervals along the circumferential direction.

7. The wrench assembly for tightening a wired aviation plug according to claim 1, characterized in that: The size of the opening (11) is smaller than the length of a single side of the nut (7).

8. The wrench assembly for tightening a wired aviation plug according to claim 1, characterized in that: The edge of the opening (11) is provided with a chamfer.

9. The wrench assembly for tightening a wired aviation plug according to claim 1, characterized in that: The intersection of each of two adjacent surfaces on the outer periphery of the fastening handle (2) is connected by rounded corners.

10. The wrench assembly for tightening a wired aviation plug according to claim 1, characterized in that: The intersection of each of two adjacent surfaces of the outer periphery of the fixed knob (4) is connected by a rounded corner.