Electrical plug device

Abstract

The utility model discloses an electrical plugging device, so as to solve the technical problems of large volume and difficulty in wire harness installation of the existing rotary buckle type honeycomb plug-in. The plug-in comprises a plug-in main body, a snap fastener and a buckle, the cross section of the plug-in main body is trapezoidal, and the surface of the plug-in main body is provided with plug-in interfaces which are transversely arranged; the snap fastener comprises a male fastener and a female fastener which are clamped, the female fastener is fixedly connected with the plug-in main body, the male fastener is provided with a columnar threading port, and the buckle is spliced and clamped on the threading port. The utility model has the beneficial effects of small volume, convenient threading and strong sealing performance.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical connectors, and particularly relates to an electrical plugging device. Background Art

[0002] Electrical connectors are used for connecting between wire harnesses or between a wire harness and an electrical device. For a cylindrical honeycomb plug, due to the use of a circular snap type, it occupies a large volume and increases the difficulty in using and designing a circuit board. The wire harness is connected through a wire harness hole on the plug. Since the wire harness hole needs to restrain the wire harness, the diameter is relatively small, making it difficult to thread the wire. Content of the Utility Model

[0003] The utility model provides an electrical plugging device to solve the technical problems of the existing snap-type honeycomb plug having a large volume and difficult wire harness installation.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions:

[0005] Design an electrical plugging device, including a plug main body, a male-female buckle, and a buckle. The cross-section of the plug main body is trapezoidal, and its surface is provided with plugging interfaces arranged horizontally.

[0006] The male-female buckle includes a snapped-in male buckle and a female buckle. The female buckle is fixedly connected to the plug main body. The male buckle is provided with a wire threading opening, which is cylindrical, and the buckle is snap-connected thereto.

[0007] Further, a middle card slot is arranged in the middle of the wire threading opening, an upper card platform is arranged at the upper part, and a lower card platform is arranged at the lower part. The middle of the buckle is provided with a middle card block, the upper part is provided with an upper card block, and the lower part is provided with a lower card block. The middle card block is snap-connected to the middle card slot, the upper card block is snap-connected to the upper card platform, and the lower card block is snap-connected to the lower card platform.

[0008] Further, a bayonet is arranged on the side wall of the female buckle, and the bayonet has a stepped portion. The male buckle is provided with a hook that cooperates with the stepped portion of the bayonet.

[0009] Further, a connecting belt is connected between the female buckle and the male buckle to prevent the upper and lower buckles from separating and being lost.

[0010] Further, two annular ribs are arranged on the surface of the plug main body, and a sealing ring is arranged between the annular ribs.

[0011] Further, a guiding groove for preventing misplugging is also arranged on the plug main body, and the guiding groove and the plugging interface are located on the same side of the plugging main body.

[0012] Further, the plug-in interface includes two rows of pin holes. Any pin hole in the front row is arranged between two corresponding pin holes in the rear row, such that any two pin holes in the rear row and the corresponding pin hole in the front row form an equilateral triangle, and any two pin holes in the front row and the corresponding pin holes in the rear row also form an equilateral triangle.

[0013] Further, there are 7 pin holes in the front row and 8 pin holes in the rear row.

[0014] Further, an anti-detachment buckle is also provided on the side of the plug-in body.

[0015] Compared with the prior art, the beneficial technical effects of the present utility model are as follows:

[0016] 1. The present utility model has multiple models according to different arrangements of the pins. Each model is designed with an anti-misinsertion guide groove for convenient alignment and connection.

[0017] 2. The plug-in body and the mother-and-son buckle of the present utility model adopt a press riveting anti-detachment design. The plug-in body has an anti-detachment design for the buckle and is internally provided with a waterproof sealing ring.

[0018] 3. The mother-and-son buckle of the present utility model uses a connecting belt to connect the upper buckle and the lower buckle to prevent the upper and lower buckles from separating and being lost. The upper and lower buckles are respectively provided with a clamping platform and a hook.

[0019] 4. The present utility model is designed with a buckle at the wire outlet. After the wire passes through, the buckle is used to fasten it, making the wire threading convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the electrical plug-in device of the present utility model.

[0021] Figure 2 It is an exploded schematic diagram of the electrical plug-in device of the present utility model.

[0022] Figure 3 It is a schematic bottom view of the electrical plug-in device of the present utility model.

[0023] Figure 4 It is a schematic diagram of the buckle installation of the electrical plug-in device of the present utility model.

[0024] In the figure, plug-in body 1, mother-and-son buckle 2, buckle 3, middle clamping block 31, upper clamping block 32, lower clamping block 33, sealing ring 4, annular rib 11, buckle 12, guide groove 13, son buckle 21, hook 211, mother buckle 22, bayonet 221, wire threading port 23, middle clamping groove 231, upper clamping platform 232, lower clamping platform 233, connecting belt 24. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following will illustrate the specific implementation manners of the present utility model in conjunction with the accompanying drawings and embodiments. However, the following embodiments are only used to illustrate the present utility model in detail and do not limit the scope of the present utility model in any way.

[0026] Embodiment 1: An electrical plug-in device, as shown in Figures 1 to 4 , which includes a plug-in main body 1, a snap-fastener 2, and a buckle 3. The cross-section of the plug-in main body 1 is trapezoidal, and its surface is provided with plug-in interfaces arranged horizontally. In this embodiment, the plug-in interfaces include two rows of pin holes 5. There are 7 front-row pin holes and 8 rear-row pin holes. Any front-row pin hole is arranged between two corresponding rear-row pin holes, so that any two rear-row pin holes and the corresponding front-row pin hole form an equilateral triangle, and any two front-row pin holes and the corresponding rear-row pin holes also form an equilateral triangle. Two annular ribs 11 are arranged on the surface of the plug-in main body 1, and a sealing ring 4 is arranged between the annular ribs 11. An anti-drop hanging buckle 12 is arranged on the side of the plug-in main body 1.

[0027] A guiding groove 13 for preventing misinsertion is arranged on the plugging surface of the plug-in main body 1. The guiding groove 13 and the plug-in interface are located on the same side of the plugging main body, that is, Figure 1 the bottom surface of the device in . The guiding groove 13 is an annular groove, and the corresponding plug-in part has a matching annular protrusion, and the two cooperate to ensure that there will be no wrong connection.

[0028] The snap-fastener 2 includes a snap-in sub-fastener 21 and a mother-fastener 22. The mother-fastener 22 and the plug-in main body 1 are fixedly connected by riveting. There is a fitting step part between the mother-fastener 22 and the sub-fastener 21. A bayonet 221 is arranged on the side wall of the mother-fastener 22. Correspondingly, the bayonet 221 also has a step part. A hook 211 that cooperates with the step part of the bayonet 221 is arranged on the sub-fastener 21. A connecting belt 24 is connected between the mother-fastener 22 and the sub-fastener 21 to prevent the upper and lower fasteners from separating and being lost.

[0029] A threading hole 23 is arranged on the sub-fastener 21. The threading hole 23 is cylindrical, and a buckle 3 is snap-fitted thereon. There are two convex ribs in the middle of the threading hole 23, and a middle card slot 231 is formed between the two convex ribs. An upper card table 232 is arranged at the upper part of the threading hole 23, and a lower card table 233 is arranged at the lower part. A protrusion corresponding to the convex rib of the threading hole 23 is arranged on the front surface of the middle part of the buckle 3, and middle card blocks 31 are arranged on both sides. The middle card blocks 31 are snap-fitted with the middle card slot 231. An upper card block 32 is arranged at the upper part of the buckle 3, and a lower card block 33 is arranged at the lower part. The upper card block 32 is snap-fitted with the upper card table 232, and the lower card block 33 is snap-fitted with the lower card table 233.

[0030] As a wire harness connector in vehicles such as bus coaches, the utility model adopts a trapezoidal shape to replace the circular snap structure in the existing design, reducing the volume of the device. It has a total of 14 models from A to R, and no model has an anti-misinsertion design. A sealing ring is provided on the plug body, and a press riveting anti-detachment design is adopted for the main plug and the male-female buckle. To facilitate wire threading, a buckle is specially designed. After the wire passes through, the buckle is used to fasten it, increasing the wire threading space. The wire outlet adopts a structure design that is convenient for the corrugated pipe to be sleeved. The utility model as a whole has a reduced volume, convenient wire threading, and strong waterproof and sealing performance.

[0031] The above has described the utility model in detail with reference to the drawings and embodiments. However, those skilled in the art can understand that without departing from the purpose of the utility model, various specific parameters in the above embodiments can be changed to form multiple specific embodiments, which are all within the common variation range of the utility model and will not be elaborated one by one here.

Claims

1. An electrical plug device, characterized in that: It includes a plug-in body, a male and female buckle, and a snap buckle. The cross-section of the plug-in body is trapezoidal, and its surface is provided with horizontally arranged plug-in interfaces; the male and female buckle includes a snap-connected male buckle and a female buckle, the female buckle and the plug-in body are fixedly connected, and a threading port is provided on the male buckle, and the threading port is columnar, on which the snap buckle is spliced ​​and snap-connected.

2. The electrical plug device according to claim 1, characterized in that: A middle card slot is provided in the middle of the threading port, an upper card platform is provided on the upper part, and a lower card platform is provided on the lower part; a middle card block is provided in the middle of the buckle, an upper card block is provided on the upper part, and a lower card block is provided on the lower part; the middle card block is connected with the middle card slot, the upper card block is connected with the upper card platform, and the lower card block is connected with the lower card platform.

3. The electrical plug device according to claim 1, characterized in that: The side wall of the mother buckle is provided with a bayonet, the bayonet has a step portion, and the sub-buckle is provided with a hook that cooperates with the step portion of the bayonet.

4. The electrical plug device according to claim 1, characterized in that: A connecting belt is connected between the mother buckle and the child buckle.

5. The electrical plug device according to claim 1, characterized in that: The surface of the plug-in body is provided with two annular ribs, and a sealing ring is provided between the annular ribs.

6. The electrical plug connector according to claim 1, characterized in that: The plug-in body is also provided with a guide groove for preventing wrong insertion, and the guide groove and the plug-in interface are located on the same side of the plug-in body.

7. The electrical plug device according to claim 1, characterized in that: The plug-in interface includes two rows of pinholes, and any pinhole in the front row is arranged between two corresponding pinholes in the rear row, so that any two pinholes in the rear row and the corresponding pinholes in the front row form an equilateral triangle, and any two pinholes in the front row and the corresponding pinholes in the rear row also form an equilateral triangle.

8. The electrical plug device according to claim 7, characterized in that: There are 7 pinholes in the front row and 8 pinholes in the back row.

9. The electrical plug device according to claim 1, characterized in that: An anti-falling hook is also arranged on the side of the plug-in body.

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