Waterproof connector

Abstract

The utility model discloses a waterproof connector, which is characterized in that the waterproof connector comprises a connecting head and a connecting seat which can be matched with each other, the connecting head comprises a first shell, the first shell is provided with at least two power supply pins and at least one signal pin, the first surface of the first shell is provided with an installation groove, and the first surface of the first shell is provided with at least one signal pin. A first waterproof part is arranged in the mounting groove, the first waterproof part is configured to prevent liquid from entering the joint of the connector and the connecting seat, and a second waterproof part is fixedly mounted on the second surface of the first shell; and the connecting seat comprises a second shell, a first surface of the second shell is provided with a power supply clamping part and a signal clamping part corresponding to the power supply pin and the signal pin respectively, and a second surface of the second shell is provided with a third waterproof piece. According to the waterproof connector, through the arrangement of the first waterproof piece, the second waterproof piece and the third waterproof piece, liquid is prevented from invading from the outside after the connecting head and the connecting seat are connected, and the conditions of short circuit and electric shock caused by touching a power supply are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of battery connectors, in particular to a waterproof connector. Background Art

[0002] With the rise of new energy light-duty transportation vehicles (e-bikes, electric scooters, electric tricycles, and designated driving vehicles at home and abroad), the extensive application of lithium batteries, and the increasing number of power connectors for vehicles. The terminals of such connectors generally have at least 2 power terminals and multiple signal terminals to realize the current and signal transmission between various electronic components.

[0003] Vehicle applications usually involve a male or female connector harness connected to an electronic component, which is then connected to a male or female connector harness connected to another electronic component to achieve current and signal transmission.

[0004] In humid or rainy conditions, liquid enters the connector, causing electric shock and tripping, which may cause damage to people. In order to prevent liquid from entering the connector, a battery connector with a waterproof function is required. Utility Model Content

[0005] In order to solve the related technical problems, the utility model provides a waterproof connector to solve the waterproof problem.

[0006] To achieve the above purpose, the embodiment of the utility model adopts the following technical solutions:

[0007] A waterproof connector, comprising a connector head and a connector seat that can cooperate with each other, wherein:

[0008] The connector includes a first shell, at least two power pins and at least one signal pin are arranged on the first shell, a mounting groove is opened on the first surface of the first shell, a first waterproof member is arranged in the mounting groove, the first waterproof member is configured to prevent liquid from entering the connection between the connector and the connector seat, and a second waterproof member is fixedly installed on the second surface of the first shell, and the second waterproof member is configured to prevent liquid from contacting the power pin and the signal pin from the second surface of the connector;

[0009] The connecting socket includes a second shell, and the first surface of the second shell is provided with a power card connection part and a signal card connection part corresponding to the power pin and the signal pin, respectively. The second surface of the second shell is provided with a third waterproof component, and the third waterproof component is configured to prevent liquid from contacting the power card connection part and the signal card connection part from the second surface of the connecting socket.

[0010] Optionally, the installation groove is rectangular and is opened around the installation positions of the power pin and the signal pin, and the first waterproof component is detachably clamped in the installation groove.

[0011] Optionally, a second waterproof part is arranged around the installation positions of the power pin and the signal pin, and the second waterproof part is integrally formed with a first limiting protrusion and a second limiting protrusion, the first limiting protrusion is arranged higher than the second limiting protrusion, the positive pin of the power pin is fixedly installed on the first limiting protrusion, and the negative pin of the power pin is fixedly installed on the second limiting protrusion.

[0012] Optionally, a first limiting block is provided at the connection between the power pin and the first shell, and a first limiting groove is provided at the power clamping portion corresponding to the first limiting block.

[0013] Optionally, a second limiting block is provided at the connection between the signal pin and the first shell, and a second limiting groove is provided at the signal clamping portion corresponding to the second limiting block.

[0014] Optionally, the third waterproof part includes a first waterproof part and a second waterproof part, the first waterproof part is arranged higher than the second waterproof part, the first waterproof part is configured as a docking power card connection part, and the second waterproof part is configured as a docking signal card connection part.

[0015] Optionally, a clamping member is provided in the power clamping part, and the clamping member includes a mounting portion and a docking portion. The mounting portion is integrally formed and arranged at the outlet end of the docking portion, and a first spring clip and a second spring clip are provided at the inlet end of the docking portion. The first spring clip and the second spring clip are correspondingly arranged to clamp and fix the power pin. A fault-tolerant groove is provided at the bottom of the inlet end of the docking portion, and a guide member is provided in the fault-tolerant groove. The guide member is configured to guide the obliquely inserted power pin.

[0016] Optionally, two power pins and four signal pins are provided on the first shell, and distinguishing marks of the power pins and the signal pins are provided on both the first shell and the second shell, and the distinguishing marks are configured to distinguish the two power pins from the four signal pins.

[0017] The beneficial effects of the utility model are as follows: compared with the prior art, the waterproof connector provided by the utility model has the following beneficial effects:

[0018] 1. By arranging a first waterproof member on the first surface of the connector, a second waterproof member on the second surface of the connector, and a third waterproof member on the second surface of the connector base, liquid is prevented from invading from the outside after the connector and the connector base are connected, and from touching the power supply to cause a short circuit and electric shock;

[0019] 2. By surrounding the installation position of the power pin and the signal pin with the first surface of the first shell with the first waterproof member, after the connector and the connector are docked, the first waterproof member abuts against the first surface of the second shell to form a closed space at the docking position of the power pin and the signal pin with the power clamping part and the signal clamping part, which can prevent liquid from entering, has a simple structure and low production cost;

[0020] 3. The first limit block and the second limit block are arranged corresponding to the first limit groove and the second limit groove, so that when the power pin and the signal pin are connected to the power card connection part and the signal card connection part, the installation efficiency is high, and the sealing of the docking is improved, which has a waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate and understand the technical solutions in the embodiments of the present invention, the following briefly introduces the background technology of the present invention and the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0022] Figure 1 It is a structural schematic diagram of a waterproof connector provided by an embodiment of the utility model;

[0023] Figure 2 This is a structural schematic diagram of a connection seat in a waterproof connector provided by an embodiment of the utility model;

[0024] Figure 3 This is a schematic structural diagram of a connector in a waterproof connector provided by an embodiment of the utility model;

[0025] Figure 4 This is a schematic structural diagram of a connector in a waterproof connector provided by an embodiment of the utility model;

[0026] Figure 5 This is a structural schematic diagram of a connection seat in a waterproof connector provided by an embodiment of the utility model;

[0027] Figure 6 This is a schematic structural diagram of a connector in a waterproof connector provided by an embodiment of the utility model;

[0028] Figure 7 It is a structural schematic diagram of a clamping member in a waterproof connector provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0029] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0030] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings. The preferred embodiments of the utility model are given in the drawings. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thoroughly understood. It should be noted that when a component is referred to as "fixed to" another component, it can be directly on another component or there can also be a central component. When a component is considered to be "connected" to another component, it can be directly connected to another component or there may be a central component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for illustrative purposes and are not intended to be the only implementation method. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by technicians in the technical field of the utility model. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0031] Example

[0032] See also Figures 1 to 7 As shown, this embodiment provides a waterproof connector, which includes a connector 1 and a connector seat 2 that can cooperate with each other, wherein the connector 1 includes a first shell 11, and at least two power pins 12 and at least one signal pin 13 are arranged on the first shell 11. A mounting groove is opened on the first surface of the first shell 11, and a first waterproof member 14 is arranged in the mounting groove. The first waterproof member 14 is configured to prevent liquid from entering the connection between the connector 1 and the connector seat 2. A second waterproof member 15 is fixedly installed on the second surface of the first shell 11, and the second waterproof member 15 is configured to prevent liquid from contacting the power pin 12 and the signal pin 13 from the second surface of the connector 1; the connector seat 2 includes a second shell 21, and the first surface of the second shell 21 is provided with a power clamping portion 22 and a signal clamping portion 23 corresponding to the power pin 12 and the signal pin 13, respectively, and the second surface of the second shell 21 is provided with a third waterproof member 24, and the third waterproof member 24 is configured to prevent liquid from contacting the power clamping portion 22 and the signal clamping portion 23 from the second surface of the connector seat 2.

[0033] Specifically, a clamping member 25 is provided in the power clamping portion 22, and the clamping member 25 includes a mounting portion 251 and a docking portion 252. The mounting portion 251 is integrally formed and arranged at the outlet end of the docking portion 252, and a first spring piece 253 and a second spring piece 254 are provided at the inlet end of the docking portion 252. The first spring piece 253 and the second spring piece 254 are correspondingly arranged to clamp and fix the power pin 12. A fault-tolerant groove 255 is provided at the bottom of the inlet end of the docking portion 252, and a guide member 256 is provided in the fault-tolerant groove 255. The guide member 256 is configured to guide the obliquely inserted power pin 12. The second waterproof member 15 surrounds the power pin 12 and the signal The installation position of the power pin 13 is set, the second waterproof part 15 is integrally formed with a first limiting protrusion 151 and a second limiting protrusion 152, the first limiting protrusion 151 is set higher than the second limiting protrusion 152, the positive pin of the power pin 12 is fixedly installed on the first limiting protrusion 151, and the negative pin of the power pin 12 is fixedly installed on the second limiting protrusion 152; the third waterproof part 24 includes a first waterproof part 241 and a second waterproof part 242, the first waterproof part 241 is set higher than the second waterproof part 242, the first waterproof part 241 is configured to dock with the power card connecting part 22, and the second waterproof part 242 is configured to dock with the signal card connecting part 23.

[0034] It can be seen that through the setting of the first waterproof component 14, when the first waterproof component 14 abuts against the first surface of the second shell 21, a closed space is formed at the joint between the power pin 12 and the signal pin 13 and the power card connection part 22 and the signal card connection part 23, which can prevent liquid from entering. The second waterproof component 15 is set on the second surface of the connector 1 to prevent liquid from entering the first shell 11 from the connection at the second surface of the first shell 11 and contacting the power pin 12 and the signal pin 13. The third waterproof component 24 is set on the second surface of the connecting seat 2 to prevent liquid from entering the interior of the second shell 21 from the connection at the second surface of the second shell 21 and touching the power card connection part 22 and the signal card connection part 23, causing short circuit and electric shock.

[0035] As an implementation mode, the installation groove is rectangular and is opened around the installation positions of the power pin 12 and the signal pin 13 , and the first waterproof member 14 is detachably snapped into the installation groove.

[0036] It can be seen that the installation method of clamping the first waterproof member 14 in the installation groove not only plays a waterproof role, but also has a simple structure and reduces the production cost.

[0037] As an implementation mode, a first limit block 16 is provided at the connection between the power pin 12 and the first shell 11, a first limit groove 26 is provided at the power clamping part 22 corresponding to the first limit block 16, a second limit block 17 is provided at the connection between the signal pin 13 and the first shell 11, and a second limit groove 27 is provided at the signal clamping part 23 corresponding to the second limit block 17.

[0038] It can be seen that the first limit block 16 and the second limit block 17 are arranged corresponding to the first limit groove 26 and the second limit groove 27, so that when the power pin 12 and the signal pin 13 are connected to the power card part 22 and the signal card part 23, the installation efficiency is high and the sealing of the docking is improved.

[0039] As an embodiment, two power pins 12 and four signal pins 13 are provided on the first shell 11, and distinguishing marks of the power pins 12 and the signal pins 13 are provided on both the first shell 11 and the second shell 21, and the distinguishing marks are configured to distinguish the two power pins 12 and the four signal pins 13.

[0040] It can be seen that providing distinguishing marks on the first shell 11 and the second shell 21 can increase recognition, avoid installation errors, and improve installation accuracy.

[0041] The specific working principle of the above waterproof connector is as follows:

[0042] The first surface of the connector 1 is arranged corresponding to the first surface of the connector base 2, the power pin 12 is connected to the power clamping part 22, and the signal pin 13 is connected to the signal clamping part 23, until the first waterproof part 14 abuts against the first surface of the connector base 2, and the connection is completed.

[0043] In the embodiments disclosed in the present invention, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "connect" can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the embodiments disclosed in the present invention can be understood according to specific circumstances.

[0044] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and modifications, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A waterproof connector, characterized in that: The waterproof connector includes a connector head and a connector seat that can cooperate with each other, wherein: The connector includes a first shell, at least two power pins and at least one signal pin are arranged on the first shell, a mounting groove is opened on the first surface of the first shell, a first waterproof member is arranged in the mounting groove, the first waterproof member is configured to prevent liquid from entering the connection between the connector and the connection seat, and a second waterproof member is fixedly installed on the second surface of the first shell, and the second waterproof member is configured to prevent liquid from contacting the power pin and the signal pin from the second surface of the connector; The connecting socket includes a second shell, a first surface of the second shell is provided with a power card connection portion and a signal card connection portion corresponding to the power pin and the signal pin respectively, and a second surface of the second shell is provided with a third waterproof component, and the third waterproof component is configured to prevent liquid from contacting the power card connection portion and the signal card connection portion from the second surface of the connecting socket.

2. A waterproof connector according to claim 1, characterized in that: The installation groove is rectangular and is opened around the installation positions of the power pin and the signal pin. The first waterproof component is detachably clamped in the installation groove.

3. A waterproof connector according to claim 1, characterized in that: The second waterproof component is arranged around the installation positions of the power pin and the signal pin, and the second waterproof component is integrally formed with a first limiting protrusion and a second limiting protrusion, the first limiting protrusion is arranged higher than the second limiting protrusion, the positive pin of the power pin is fixedly installed on the first limiting protrusion, and the negative pin of the power pin is fixedly installed on the second limiting protrusion.

4. A waterproof connector according to claim 1, characterized in that: A first limiting block is provided at the connection between the power plug pin and the first housing, and a first limiting groove is provided on the power clamping portion corresponding to the first limiting block.

5. The waterproof connector according to claim 1, characterized in that: A second limiting block is provided at the connection between the signal pin and the first housing, and a second limiting groove is provided on the signal clamping portion corresponding to the second limiting block.

6. A waterproof connector according to claim 1, characterized in that: The third waterproof part includes a first waterproof part and a second waterproof part, the first waterproof part is arranged higher than the second waterproof part, the first waterproof part is configured to dock with the power card connection part, and the second waterproof part is configured to dock with the signal card connection part.

7. The waterproof connector according to claim 1, characterized in that: A clamping piece is arranged in the power clamping part, and the clamping piece includes a mounting part and a docking part. The mounting part is integrally formed and arranged at the outlet end of the docking part, and a first spring sheet and a second spring sheet are arranged at the inlet end of the docking part. The first spring sheet and the second spring sheet are arranged correspondingly to clamp and fix the power pin. A fault-tolerant groove is arranged at the bottom of the inlet end of the docking part, and a guide piece is arranged in the fault-tolerant groove. The guide piece is configured to guide the obliquely inserted power pin.

8. The waterproof connector according to claim 1, characterized in that: The first shell is provided with two power pins and four signal pins, and both the first shell and the second shell are provided with distinguishing marks of the power pins and the signal pins, and the distinguishing marks are configured to distinguish the two power pins from the four signal pins.

Images