Novel integrated aviation plug

By using a metal shell integrally injection molded with the plug blank in the aviation plug, forming a plastic outer sheath and enhancing structural rigidity, the problem of connection instability under multiple external forces is solved, thereby improving signal transmission security and equipment lifespan.

CN224053468UActive Publication Date: 2026-03-27DONGGUAN DEHENG ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing aviation connectors are prone to loosening and deformation under multiple external forces, resulting in unstable connections, affecting safety and signal transmission quality, and lack shielding devices.

Method used

The metal shell and plug blank are integrally injection molded to form a plastic outer sheath, which enhances the structural rigidity. A stepped end is set at the tail of the metal shell to improve stability and shielding effect.

Benefits of technology

It improves the connection stability and service life of the plug, ensures the safety of signal transmission, reduces the replacement frequency and operating costs, and improves the working efficiency of machinery and equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel integrated aviation plug, and relates to a multi-core wire harness integrated aviation plug which is used by intelligent equipment or mobile tools and comprises a power supply and a signal. Comprising a multi-core wire harness connecting plug initial blank, the plug initial blank is provided with a protruding clamping ring formed through integral injection molding, the clamping ring divides the plug initial blank into a plug part and a fixing part, the multi-core wire harness connecting plug further comprises a metal shell, and the metal shell is arranged on the fixing part of the plug initial blank in a sleeving mode and covers the fixing part of the plug initial blank and part of the multi-core wire harness. The head of the metal shell abuts against the clamping ring, and gaps are formed between the inner surface of the metal shell and the outer surface of the fixing part of the plug initial blank and between the inner surface of the metal shell and the outer surface of the multi-core wire harness. And secondary injection molding is carried out between the tail part of the metal shell and the multi-core wire harness to form a plastic outer sheath. According to the aviation plug, the structural strength of the plug can be enhanced, the service life can be prolonged, the long-time connection stability and reliability can be ensured, and the working efficiency of machinery equipment can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a novel integrated aviation plug for intelligent equipment or mobile equipment or mobile tool, which is a multi-core wire harness integrated aviation plug including power supply and signal. BACKGROUND

[0002] With the large use of mechanized equipment, intelligent equipment and tools, different circuit electric devices are integrated into the same small device, so that multiple power lines and signal lines are bundled together, resulting in the use of three-core, four-core, five-core and other multi-core wire harnesses. The connection seat of the power supply end needs to be connected with the device power line. In order to ensure the connection stability and reliability of the plug and the socket, the plug pin is inserted into the tubular terminal of the socket, that is, the plug pin is inserted into the tubular terminal of the socket. In the mechanized device or intelligent device, the electric device is repeatedly moved back and forth, and the power line is also repeatedly moved and shaken, so that the terminal and the core wire will be subjected to different direction forces, and the connection between the terminal and the core wire will be loosened, and even the plug will be automatically pulled out. Therefore, the connection stability and reliability will be reduced, and the plug needs to be replaced, otherwise it will cause safety accidents. Frequent replacement will increase the use cost, and even affect the normal use of the machine.

[0003] Therefore, in the utility model patent No. ZL201921402715.4, the utility model discloses a structure of electric screwdriver connection line plug, which is characterized in that a protruding column is arranged at the bottom end of the terminal containing groove of the terminal fixing frame, and a through hole is arranged at the bottom end of the insertion hole of the round pipe terminal. The protruding column can be inserted into the through hole. The deformation between the terminal and the core wire is solved, and the connection is loosened, and even the plug is automatically pulled out.

[0004] However, in the use of the work site, the plug is sometimes subjected to unknown multiple external forces, which seriously affects the structure of the terminal fixing seat in the plug and the stability and safety of the connection. In addition, the plug is injection molded, and the terminal in the plug and the connection between the terminal and the core wire cannot be installed with a shielding device, so that the transmission safety and quality of the signal line cannot be guaranteed. UTILITY MODEL CONTENTS

[0005] The utility model discloses a novel integrated aviation plug, which can enhance the structural strength of the plug, improve the service life, ensure the connection stability and reliability for a long time, and improve the working efficiency of the machine.

[0006] The utility model discloses a novel integral aviation plug, including multicore wire harness connecting plug initial blank, the plug initial blank is equipped with the convex snap ring of integrated injection, and the snap ring divides the plug initial blank into plug part and fixed part, the fixed part of plug initial blank has the fixed hole formed when injection, it is characterized in that still including metal shell, the metal shell is set up in the fixed part of plug initial blank and covers the fixed part of plug initial blank and part multicore wire harness, and the metal shell head portion is against the snap ring, and there is the gap between the inner surface of metal shell and the outer surface of fixed part of plug initial blank and multicore wire harness, and the plastic outer sheath makes the fixed formation integral between the metal shell and the fixed part of plug initial blank and multicore wire harness.

[0007] The utility model discloses a novel integral aviation plug, and the metal shell tail portion is equipped with the step type close mouth, is equipped with the filling hole on this close mouth, and the plastic outer sheath covers the step type close mouth.

[0008] The utility model discloses a novel integral aviation plug, and the outer surface of plug initial blank is equipped with a plurality of axial filling grooves.

[0009] The utility model discloses a novel integral aviation plug, and the plastic outer sheath has a plurality of axial strip-shaped through holes formed by injection.

[0010] The utility model discloses a novel integral aviation plug, and the step type close mouth top end of shell tail portion is equipped with the convex ring mouth along the circumference.

[0011] The utility model discloses a novel integral aviation plug, and the plug initial blank includes terminal fixed seat and terminal fixed in terminal fixed seat, and the multicore wire harness is connected with terminal, and the terminal fixed seat and multicore wire harness are formed into plug initial blank by primary injection.

[0012] The utility model discloses a novel integral aviation plug, and the plug initial blank includes terminal fixed seat and terminal fixed in terminal fixed seat, and the multicore wire harness is connected with terminal, and the terminal fixed seat and multicore wire harness are formed into plug initial blank by primary injection. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view of the utility model discloses a novel integral aviation plug.

[0014] Figure 2 It is Figure 1the top view as shown.

[0015] Figure 3 The utility model relates to a novel integral aviation plug initial blank perspective view.

[0016] Figure 4 The utility model relates to a novel integral aviation plug front view.

[0017] Figure 5 The utility model relates to a novel integral aviation plug first embodiment iron shell front view.

[0018] Figure 6 The utility model relates to Figure 5 the top view as shown.

[0019] Figure 7 The utility model relates to Figure 5 the left view as shown.

[0020] Figure 8 The utility model relates to Figure 4 the utility model relates to a novel integral aviation plug first embodiment initial blank after covering iron shell schematic diagram.

[0021] Figure 9 The utility model relates to a novel integral aviation plug second embodiment iron shell front view.

[0022] Figure 10 The utility model relates to Figure 10 the top view as shown.

[0023] Figure 11 The utility model relates to Figure 10 the left view as shown.

[0024] Figure 12 The utility model relates to Figure 4 the utility model relates to a novel integral aviation plug second embodiment initial blank after covering iron shell schematic diagram. Specific implementation

[0025] The utility model will be further explained in detail in connection with the embodiment and the accompanying drawings.

[0026] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8The utility model discloses an embodiment one of novel integral aviation plug, including the plug rough cast 2 of multicore wire harness 1 connection, the plug rough cast 2 is equipped with the protruding snap ring 21 of integral injection, this snap ring 21 will the plug rough cast 2 divide into plug portion 22 and fixed part 23, the fixed part 23 of plug rough cast 2 has the fixed hole 231 for the terminal fixed frame in plug rough cast 2 when injection molding and forms, be equipped with a few axial filling grooves 232 on the outer surface of plug rough cast 2.

[0027] The embodiment also includes metal shell 3, the metal shell 3 is equipped with the fixed part 23 of plug rough cast 2 and covers the fixed part 23 and part multicore wire harness 1 of plug rough cast 2, the head 31 of metal shell 3 is in abutment on the snap ring 21, and the inner surface of metal shell 3 and the outer surface of fixed part 23 of plug rough cast 2 and multicore wire harness 1 outer surface between respectively have gap. Figure 1 In the process, there is injection plastic filler into the gap between metal shell 3 and fixed part 23 of plug rough cast 2 and fixed hole 231 and filling groove 232, also there is injection plastic filler into the gap between metal shell 3 and multicore wire harness 1 and fills the gap. So the secondary injection molding of plastic outer sheath 4 makes metal shell 3 and fixed part 23 of plug rough cast 2 and multicore wire harness 1 fixed together and forms an integral whole. The plastic outer sheath 4 has a plurality of axial strip-shaped through holes 41 formed by injection molding, which are arranged on the circumference of the plastic outer sheath 4. The strip-shaped through holes 41 ensure that the plastic outer sheath 4 has more thick glue layer to enhance its firmness, and also ensure that the multicore wire harness 1 can have a larger angle of bending deformation when subjected to different direction forces. The existence of strip-shaped through holes 41 provides space for the deformation of plastic material when bending.

[0028] In the embodiment one, the plug rough cast 2 is formed by connecting the terminals and multicore wire harness 1 and fixed in the terminal fixed seat for primary injection.

[0029] Reference Figure 9 , Figure 10 , Figure 11 , Figure 12The embodiment two of the novel integrated aviation plug is shown. Different from the embodiment one, the tail part 32 of the metal shell 3 is provided with a stepped closing part 321, the stepped closing part 321 is provided with a filling hole 3211, and the top end of the stepped closing part 321 is provided with a convex ring opening 3212 along a circle. The plastic outer sheath 4 formed by the secondary injection molding covers and bonds the stepped closing part 321 of the metal shell 3, and the injection plastic filler also passes through the filling hole 3211 on the stepped closing part 321. Thus, compared with the embodiment one, the metal shell 3 of the embodiment two is more firmly integrated with the plug primary blank 2 and the multi-core wire harness 1 through the secondary injection molding, and the structural rigidity and stability of the plug are further improved.

[0030] The above only describes the preferred embodiments of the present application, and it should be pointed out that, for those skilled in the art, without departing from the inventive concept, a number of modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. A new type of integrated aviation plug, comprising a multi-core wire harness connecting plug blank, the plug blank is provided with a protruding snap ring integrally injection molded, the snap ring divides the plug blank into a plug part and a fixing part, the fixing part of the plug blank has a fixing hole formed during injection molding, characterized in that The metal shell is sleeved on the fixed part of the plug blank and covers the fixed part and part of the multi-core wire harness of the plug blank, the head of the metal shell abuts against the clasp, and the inner surface of the metal shell has a gap with the outer surface of the fixed part and the outer surface of the multi-core wire harness of the plug blank; a plastic outer sheath is formed by secondary injection molding between the tail of the metal shell and the multi-core wire harness, and the gap between the metal shell and the fixed part of the plug blank and the gap between the metal shell and the multi-core wire harness are filled with injection plastic, and the plastic outer sheath fixes the metal shell and the fixed part of the plug blank and the multi-core wire harness into an integrated whole.

2. A new type of integrated aviation plug according to claim 1, characterized in that The tail of the metal shell is provided with a stepped closing part, and the stepped closing part is provided with a filling hole, and the plastic outer sheath covers the stepped closing part.

3. A new type of integrated aviation plug according to claim 2, characterized in that The outer surface of the plug blank is provided with a plurality of axial filling grooves.

4. A new type of integrated aviation plug according to claim 2 or 3, characterized in that The plastic outer sheath is provided with a plurality of axial strip-shaped through holes formed by injection molding.

5. A new type of integrated aviation plug according to claim 4, characterized in that The top end of the stepped closing part of the tail of the metal shell is provided with a protruding ring.

6. A new type of integrated aviation plug according to claim 5, characterized in that The plug blank comprises a terminal fixing seat and terminals fixed in the terminal fixing seat, and the multi-core wire harness is connected to the terminals. The terminal fixing seat and the multi-core wire harness are subjected to primary injection molding to form the plug blank.

Citation Information

Patent Citations

  • Electric screwdriver connecting wire plug structure

    CN210129604U