Waterproof connector

Abstract

The utility model discloses a waterproof connector, which comprises a male end connector and a female end connector, the male end connector comprises a male end main body and a first terminal, the male end main body is provided with a plug-in convex part, and the plug-in convex part is provided with a first plug-in cavity; the female end connector comprises a female end main body and a second terminal, the female end main body is provided with a second plugging cavity, an embedded convex part is convexly arranged in the second plugging cavity, and the peripheral side wall of one side, far away from the first plugging cavity, of the embedded convex part is sleeved with an elastic sealing ring; the two sides of the elastic sealing ring in the inserting direction are limited by the end face, facing the second inserting cavity, of the inserting protruding part and the inner wall of the second inserting cavity respectively. A buckle is arranged on the outer side wall of the insertion convex part, an elastic arm is arranged on the outer side wall of the female end main body, the elastic arm is provided with a clamping hole, and the buckle is clamped in the clamping hole; the waterproof connector has waterproof performance, realizes buckle type positioning connection between the male-end connector and the female-end connector, can prevent falling, is firmer in connection, and is simple and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the connector field technology especially is a waterproof connector. BACKGROUND

[0002] At present, the connector is often called circuit connector or electric connector, can bridge two conductors on a loop, so that the current or signal can flow from one conductor to another conductor conductor device, usually, the connector includes female connector and male connector, the male connector is inserted into the female connector to realize the signal connection between the male connection module and the female connection module, if the female connector and the male connector appear loose or unexpected phenomenon of being pulled out, it will affect the normal use between the female connector and the male connector, lead to the existence of security risks.

[0003] The existing electric connector in order to guarantee the connection firmness between two connectors, generally adopts the manual screwing through the threaded mode to realize the connection, but this mode needs to manually tighten the nut to connect the female connector and the male connector firmly together after the female connector and the male connector are inserted, and when pulling out, the female connector and the male connector also need to be separated after manually loosening the nut by artificial, the connection mode is cumbersome and inconvenient to operate, and it does not have waterproof performance.

[0004] Therefore, it is necessary to research a new technology to solve the above problems. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a waterproof connector, which has waterproof performance, realizes the buckle type positioning connection between the male connector and the female connector, can prevent falling off, is more firm in connection and is easy to use.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A waterproof connector, including male connector and female connector, the male connector and the female connector are oppositely and pluggable, the male connector includes male main body and first terminal, the male main body has a plug-in convex part, the plug-in convex part has a first plug-in cavity, one end of the first terminal extends into the male main body, and the other end extends into the first plug-in cavity,

[0008] The female connector comprises a female main body and a second terminal, the female main body is provided with a second plug cavity, the second plug cavity is provided with an embedded protrusion, and the embedded protrusion is provided with an assembly hole; one end of the second terminal extends into the female main body, and the other end extends into the assembly hole; the plug protrusion is inserted into the second plug cavity, the embedded protrusion is inserted into the first plug cavity, and the first terminal is inserted into the assembly hole and in contact with the second terminal;

[0009] The outer peripheral side wall of the embedded protrusion away from the first plug cavity is provided with an elastic sealing ring, and the two sides of the elastic sealing ring in the plug direction are limited by the end face of the plug protrusion towards the second plug cavity and the inner wall of the second plug cavity respectively.

[0010] The outer side wall of the plug protrusion is provided with a buckle, the outer side wall of the female main body is provided with an elastic arm, and the elastic arm is provided with a clamping hole; with the plug of the male connector relative to the female connector, the elastic arm is elastically expanded outward under the extrusion of the buckle, and the buckle is clamped in the clamping hole.

[0011] As a preferred solution, the end face of the female main body towards the male main body is recessed with a giving slot, the giving slot extends along the plug direction and penetrates the inner and outer sides of the female main body, the outer side wall of the plug protrusion is provided with a connecting protrusion extending along the plug direction, the buckle is integrally connected to the outer side wall of one end of the connecting protrusion towards the female main body, and the connecting protrusion is inserted into the giving slot.

[0012] As a preferred solution, one end of the elastic arm towards the male main body is provided with an oblique extension extending obliquely outward, and one end of the buckle towards the female main body is provided with an inclined surface.

[0013] As a preferred solution, the outer side wall of the female main body is recessed with an embedded slot, the embedded slot is provided with a positioning clamping portion, one end of the elastic arm away from the male main body is integrally connected with a bent extension portion, one end of the bent extension portion is integrally connected with a positioning main body portion, the positioning main body portion is recessed with a positioning clamping hole, the positioning main body portion is positioned in the embedded slot, and the positioning clamping portion is clamped with the positioning clamping hole.

[0014] As a preferred solution, the first plug cavity is provided with a foolproof protrusion extending along the plug direction, and the outer side wall of the embedded protrusion is provided with a foolproof slot extending along the plug direction, and the foolproof protrusion is matched with the foolproof slot.

[0015] As a preferred solution, the inner peripheral side wall of one end of the second plug cavity away from the plug protrusion is provided with an annular limiting step, a positioning slot is formed between the annular limiting step and the outer peripheral side wall of the embedded protrusion, the elastic sealing ring is positioned in the positioning slot, and the end face of the plug protrusion towards the second plug cavity is limited by the annular limiting step.

[0016] As a preferred solution, the other end of the second terminal is provided with two elastic clamping arms, and a clamping space is formed between the two elastic clamping arms, and the first terminal is inserted into the clamping space.

[0017] The utility model discloses a connector, which has obvious advantages and beneficial effects compared with the prior art, and specifically, the connector is mainly characterized in that: an elastic sealing ring is sleeved on the outer circumferential side wall of the embedding convex part away from the first plug-in cavity, and the two sides of the elastic sealing ring in the plug-in direction are limited by the end face of the plug-in convex part facing the second plug-in cavity and the inner wall of the second plug-in cavity, so that the elastic sealing ring can prevent external moisture from entering through the gap between the male main body and the female main body, and the connector has good waterproof performance; and a buckle is arranged on the outer side wall of the plug-in convex part, and an elastic arm is arranged on the outer side wall of the female main body, the elastic arm has a clamping hole, and the elastic arm is elastically expanded outward under the extrusion of the buckle when the male connector is plugged into or pulled out of the female connector, and the buckle is clamped in the clamping hole, so that the male connector and the female connector are connected in a buckle type, the connection is more secure, and the connector is easy to use.

[0018] To make the structure, technical means and specific purposes and functions of the utility model clearer, the utility model will be further described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the overall structure of the embodiment of the utility model and a three-dimensional schematic view;

[0020] Figure 2 is the exploded view of the embodiment of the utility model;

[0021] Figure 3 is another exploded view of the embodiment of the utility model;

[0022] Figure 4 is the three-dimensional schematic view of the male connector of the embodiment of the utility model;

[0023] Figure 5 is the three-dimensional schematic view of the female connector of the embodiment of the utility model;

[0024] Figure 6 is another three-dimensional schematic view of the female connector of the embodiment of the utility model;

[0025] Figure 7 is the sectional view of the female connector of the embodiment of the utility model.

[0026] Explanation of the figure mark:

[0027] 10, male main body 11, plug-in convex part

[0028] 12, first plug-in cavity 13, buckle

[0029] 14, connecting convex part 15, foolproof convex part

[0030] 20, first terminal 30, female main body

[0031] 31, second plug-in cavity 32, embedded convex part

[0032] 33, assembly hole 34, accommodation slot

[0033] 35, embedded slot 36, positioning clamping part

[0034] 37, foolproof slot 38, annular limiting step

[0035] 39, positioning slot 40, second terminal

[0036] 41, elastic clamping arm 42, clamping space

[0037] 50, elastic sealing ring 60, elastic arm

[0038] 61, clamping hole 62, inclined part

[0039] 63, bent extension part 64, positioning main body part

[0040] 65, positioning clamping hole. DETAILED DESCRIPTION

[0041] Please refer to Figures 1 to 7 The specific structure of the embodiment of the utility model is shown, which is mainly applied to the connector of the vehicle-mounted reversing radar lens, but is not limited to this, and can also be applied to other scenes.

[0042] A waterproof connector, comprising a male connector and a female connector, the male connector and the female connector being oppositely and pluggably connected; the male connector comprises a male main body 10 and a first terminal 20, the male main body 10 has a plug-in protrusion 11, the plug-in protrusion 11 has a first plug-in cavity 12; one end of the first terminal 20 extends into the male main body 10, and the other end extends into the first plug-in cavity 12; the female connector comprises a female main body 30 and a second terminal 40, the female main body 30 has a second plug-in cavity 31, the second plug-in cavity 31 is provided with an embedded protrusion 32, the embedded protrusion 32 has an assembly hole 33; one end of the second terminal 40 extends into the female main body 30, and the other end extends into the assembly hole 33; the plug-in protrusion 11 is inserted into the second plug-in cavity 31, the embedded protrusion 32 is inserted into the first plug-in cavity 12, and the first terminal 20 is inserted into the assembly hole 33 and contacts the second terminal 40.

[0043] The outer peripheral side wall of the side of the embedded protrusion 32 away from the first plug-in cavity 12 is provided with an elastic sealing ring 50, and the two sides of the elastic sealing ring 50 in the plug-in direction are limited by the end face of the plug-in protrusion 11 towards the second plug-in cavity 31 and the inner wall of the second plug-in cavity 31 respectively; here, the setting of the elastic sealing ring 50 avoids the entry of external moisture from the gap between the connection of the male main body 10 and the female main body 30, and can play a good waterproof role.

[0044] The inner peripheral side wall of the end of the second plug-in cavity 31 away from the plug-in protrusion 11 is provided with an annular limiting step 38, a positioning groove 39 is formed between the outer peripheral side wall of the embedded protrusion 32 and the annular limiting step 38, and the elastic sealing ring 50 is positioned in the positioning groove 39; the end face of the plug-in protrusion 11 towards the second plug-in cavity 31 is limited by the annular limiting step 38 to avoid the phenomenon of inserting the plug-in protrusion 11 too deep; one side of the elastic sealing ring 50 is exposed outside the positioning groove 39, and the end face of the plug-in protrusion 11 towards the second plug-in cavity 31 extrudes one side of the elastic sealing ring 50 to make the elastic sealing ring 50 elastically deform to ensure sealing.

[0045] A buckle 13 is arranged on the outer side wall of the plug-in protrusion 11, an elastic arm 60 is arranged on the outer side wall of the female main body 30, and the elastic arm 60 has a clamping hole 61; with the plugging of the male connector relative to the female connector, the elastic arm 60 is elastically expanded outward under the extrusion of the buckle 13, and the buckle 13 is clamped in the clamping hole 61, so that the buckle 13 type positioning connection between the male connector and the female connector is realized, and the connection is more firm and convenient to use.

[0046] The end face of the female main body 30 is recessed with a let-in slot 34 extending along the plug-in direction and penetrating the inner and outer sides of the female main body 30, the outer side wall of the plug-in protrusion 11 is protruded with a connecting protrusion 14 extending along the plug-in direction, the buckle 13 is integrally connected to the outer side wall of one end of the connecting protrusion 14 towards the female main body 30, and the connecting protrusion 14 is inserted into the let-in slot 34. Thus, the combination design of the let-in slot 34 and the connecting protrusion 14 can ensure that the plug-in protrusion 11 is smoothly inserted into the second plug-in cavity 31.

[0047] One end of the elastic arm 60 towards the male main body 10 is provided with an outwardly obliquely extending oblique portion 62, and one end of the buckle 13 towards the female main body 30 is provided with an inclined surface. Thus, the combination design of the oblique portion 62 and the inclined surface can make the clamping between the elastic arm 60 and the buckle 13 more smooth.

[0048] The outer side wall of the female main body 30 is recessed with an embedding slot 35, the embedding slot 35 is protruded with a positioning clamping portion 36, one end of the elastic arm 60 away from the male main body 10 is integrally connected with a bent extension portion 63, one end of the bent extension portion 63 is integrally connected with a positioning main body portion 64, the positioning main body portion 64 is recessed with a positioning clamping hole 65, the positioning main body portion 64 is positioned in the embedding slot 35, and the positioning clamping portion 36 is clamped with the positioning clamping hole 65. Thus, the combination design of the embedding slot 35 and the positioning main body portion 64, and the positioning clamping portion 36 and the positioning clamping hole 65 can make the elastic arm 60 integrally clamped and assembled on the female main body 30, without the need to integrally form the elastic arm 60 on the female main body 30, so as to simplify the structure of the female main body 30, facilitate the manufacturing, and facilitate the assembly between the elastic arm 60 and the female main body 30.

[0049] In the embodiment, two buckles 13 are symmetrically arranged on the two outer side walls of the plug-in protrusion 11, two elastic arms 60 are symmetrically arranged on the outer side wall of the female main body 30, the embedding slot 35 extends along the annular on the outer side wall of the female main body 30, the positioning main body portion 64 has a U-shaped structure, the positioning clamping hole 65 is arranged on the two side walls of the positioning main body portion 64, and the positioning clamping portion 36 is arranged in the embedding slot 35 corresponding to the positioning clamping hole 65 of the positioning main body portion 64 of each elastic arm 60.

[0050] The first plug cavity 12 is provided with a foolproof convex part 15 extending in the plug direction, the outer side wall of the embedded convex part 32 is provided with a foolproof groove 37 extending in the plug direction, the foolproof convex part 15 is matched with the foolproof groove 37, thus, through the combined design of the foolproof groove 37 and the foolproof convex part 15, the phenomenon that the plug is easily wrong and cannot be connected is avoided, so that the foolproof convex part 15 is aligned with the foolproof groove 37 and then plugged to be correctly plugged, and the depth of the plug can be controlled by controlling the depth of the foolproof groove 37 and the length of the foolproof convex part 15, so that the phenomenon of over-insertion is avoided.

[0051] In addition, in the embodiment, the other end of the second terminal 40 is provided with two elastic clamping arms 41, and a clamping space 42 is formed between the two elastic clamping arms 41, and the first terminal 20 is inserted into the clamping space 42, so that the elastic clamping arms 41 can elastically clamp the first terminal 20.

[0052] In summary, the design focus of the utility model is that a flexible sealing ring is sleeved on the outer peripheral side wall of the embedded convex part away from the first plug cavity, and the two sides of the flexible sealing ring in the plug direction are limited by the end face of the plug convex part facing the second plug cavity and the inner wall of the second plug cavity, so that the flexible sealing ring can prevent external moisture from entering the gap between the male main body and the female main body, and good waterproof effect can be achieved, so that the utility model has waterproof performance; and a buckle is arranged on the outer side wall of the plug convex part, and an elastic arm is arranged on the outer side wall of the female main body, the elastic arm has a clamping hole, and the elastic arm is elastically opened outward under the extrusion of the buckle when the male connector is plugged into or pulled out of the female connector, and the buckle is clamped in the clamping hole, so that the buckle type positioning connection between the male connector and the female connector is achieved, and the connection is more firm and convenient to use.

[0053] The above is only a preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment still belongs to the range of the technical scheme of the utility model.

Claims

1. A waterproof connector comprising a male connector and a female connector, the male connector being pluggably connected to the female connector; characterized in that: The male connector comprises a male main body and a first terminal, the male main body has a plug-in protrusion, the plug-in protrusion has a first plug-in cavity; one end of the first terminal extends into the male main body, and the other end extends into the first plug-in cavity; The female connector comprises a female main body and a second terminal, the female main body has a second plug-in cavity, the second plug-in cavity is provided with an embedded protrusion, the embedded protrusion has an assembly hole; one end of the second terminal extends into the female main body, and the other end extends into the assembly hole; the plug-in protrusion is inserted into the second plug-in cavity, the embedded protrusion is inserted into the first plug-in cavity, and the first terminal is inserted into the assembly hole and in contact with the second terminal; The outer peripheral side wall of the side of the embedded protrusion away from the first plug-in cavity is provided with an elastic sealing ring, and the elastic sealing ring is limited by the end face of the plug-in protrusion towards the second plug-in cavity and the inner wall of the second plug-in cavity on both sides in the plug-in direction; The outer side wall of the plug-in protrusion is provided with a buckle, the outer side wall of the female main body is provided with an elastic arm, and the elastic arm has a clamping hole; With the plug-in and plug-out of the male connector relative to the female connector, the elastic arm is elastically expanded outward under the extrusion of the buckle, and the buckle is clamped in the clamping hole.

2. The waterproof connector according to claim 1, characterized by: The end face of the female main body towards the male main body is recessed with a giving-up slot, the giving-up slot extends along the plug-in direction and penetrates the inner and outer sides of the female main body, the outer side wall of the plug-in protrusion is provided with a connecting protrusion extending along the plug-in direction, the buckle is integrally connected to the outer side wall of one end of the connecting protrusion towards the female main body, and the connecting protrusion is inserted into the giving-up slot.

3. The waterproof connector according to claim 1, characterized by: One end of the elastic arm towards the male main body is provided with an oblique extension extending obliquely outward, and one end of the buckle towards the female main body is provided with an inclined surface.

4. The waterproof connector according to claim 1, characterized by: The outer side wall of the female main body is recessed with an embedded slot, the embedded slot is provided with a positioning clamping portion, one end of the elastic arm away from the male main body is integrally connected with a bent extension portion, one end of the bent extension portion is integrally connected with a positioning main body portion, the positioning main body portion is recessed with a positioning clamping hole, the positioning main body portion is positioned in the embedded slot, and the positioning clamping portion is clamped with the positioning clamping hole.

5. The waterproof connector according to claim 1, characterized by: The first plug-in cavity is provided with a foolproof protrusion extending along the plug-in direction, and the outer side wall of the embedded protrusion is provided with a foolproof slot extending along the plug-in direction, the foolproof protrusion and the foolproof slot are matched.

6. The waterproof connector according to claim 1, characterized by: The inner peripheral side wall of one end of the second plug-in cavity away from the plug-in protrusion is provided with an annular limiting step, a positioning slot is formed between the annular limiting step and the outer peripheral side wall of the embedded protrusion, the elastic sealing ring is positioned in the positioning slot, and the end face of the plug-in protrusion towards the second plug-in cavity is limited by the annular limiting step.

7. The waterproof connector of claim 1, wherein: The other end of the second terminal is provided with two elastic clamping arms, and the two elastic clamping arms are spaced apart to form a clamping space, and the first terminal is inserted into the clamping space.

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