Electric vehicle charging connector capable of blind plugging

Abstract

The utility model relates to an electric vehicle charging connector capable of blind plugging, which comprises a female head and a male head, the female head comprises a female head shell and snap springs, the female head shell is provided with a female head square groove, the female head square groove is provided with a plurality of snap spring mounting grooves, one snap spring is mounted in one snap spring mounting groove, the male head comprises a male head shell, a PIN mounting seat and PINs, and the PIN mounting seat and the PINs are arranged in the male head shell. When the blind-mating electric vehicle charging connector is used, the number of the clamp spring mounting grooves is 11, the clamp spring mounting grooves are distributed in three rows, the number of the clamp spring mounting grooves in the first row on the left side is four, the number of the clamp spring mounting grooves in the second row in the middle is three, and the number of the clamp spring mounting grooves in the third row on the right side is four. The left first row of snap spring mounting grooves and the right third row of snap spring mounting grooves are in mirror symmetry in position, when the female head is inserted into the male head, left and right blind insertion can not be distinguished, and the PINs are inserted into the snap spring mounting grooves to be in contact fit with the snap springs.

Description

Technical Field

[0001] This utility model relates to the field of connectors, specifically to a blind-plug electric vehicle charging connector. Background Technology

[0002] Electric vehicle charging connectors are specifically designed for use with electric bicycles, electric sanitation vehicles, electric patrol vehicles, etc. They mainly consist of a male and a female connector. The male connector is electrically connected to the charging adapter to transmit the transformed AC power to the male connector, while the female connector is installed on the vehicle and electrically connected to the battery. When using the connector, first insert the male connector into the female connector and then turn on the charging switch to charge the battery. However, existing electric vehicle charging connectors require distinguishing between left and right sides and cannot be blindly inserted, which is inconvenient to use, and their waterproof performance is also generally poor. Summary of the Invention

[0003] To address the aforementioned shortcomings of existing technologies, this utility model provides a blind-pluggable electric vehicle charging connector, the specific technical solution of which is as follows:

[0004] A blind-pluggable electric vehicle charging connector includes a female connector and a male connector. The female connector includes a female connector housing and a retaining spring. The female connector housing has a female connector square groove, and the female connector square groove has multiple retaining spring mounting slots. One retaining spring is installed in each retaining spring mounting slot. The male connector includes a male connector housing, a PIN pin mounting seat, and PIN pins. The PIN pin mounting seat is installed inside the male connector housing, and multiple PIN pins are installed inside the PIN pin mounting seat. There are a total of 11 retaining spring mounting slots, which are distributed in three rows. The first row on the left has 4 retaining spring mounting slots, the second row on the middle has 3 retaining spring mounting slots, and the third row on the right has 4 retaining spring mounting slots. The retaining spring mounting slots in the first row on the left and the third row on the right are mirror-symmetrical in position. The PIN pins cooperate with the retaining springs.

[0005] As a preferred embodiment of this utility model, the retaining ring mounting slots in each column are arranged longitudinally at equal intervals.

[0006] As a preferred embodiment of this utility model, the female head housing is provided with a female head positioning groove, and there are two female head positioning grooves located on the left and right sides of the female head square groove respectively. The male head housing is provided with a male head positioning block, and the male head positioning block cooperates with the female head positioning groove.

[0007] As a preferred embodiment of this utility model, the male connector housing is a split structure, comprising an upper seat and a base. The upper seat has hooks on its left and right sides, and the base has slots on its left and right sides that cooperate with the hooks. A limiting groove is formed between the upper seat and the base, and the PIN pin mounting base is placed in the limiting groove in the middle.

[0008] As a preferred embodiment of this utility model, a shock-absorbing plate is installed between the upper seat and the PIN pin mounting seat.

[0009] As a preferred embodiment of this utility model, the base is provided with positioning holes at the four corners, and the base is provided with positioning posts that cooperate with the positioning holes, with mounting holes in the positioning posts.

[0010] As a preferred embodiment of this utility model, a female sealing ring is installed on the rear side of the female head housing, and a male sealing ring is installed on the periphery of the PIN pin mounting seat.

[0011] Beneficial effects: When using the blind-plug electric vehicle charging connector, there are a total of 11 retainer mounting slots arranged in three columns. The first column on the left has 4 retainer mounting slots, the second column in the middle has 3 retainer mounting slots, and the third column on the right has 4 retainer mounting slots. The retainer mounting slots in the first column on the left and the third column on the right are mirror-symmetrical. When the female connector is plugged into the male connector, it can be blindly plugged without distinguishing between left and right. The PIN pin is inserted into the retainer mounting slot and contacts the retainer. Attached Figure Description

[0012] Figure 1 This is a perspective view of the present invention;

[0013] Figure 2 This is a perspective view of the present invention from another angle;

[0014] Figure 3 This is an exploded view of the female head of this utility model;

[0015] Figure 4 This is an exploded view of the male connector of this utility model. Detailed Implementation

[0016] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings:

[0017] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0019] like Figure 1 and 2 As shown, a blind-plug electric vehicle charging connector includes a female connector A and a male connector B. The female connector A includes a female connector housing 1 and a retaining spring 2. The female connector housing 1 has a female connector square groove 3, and the female connector square groove 3 has multiple retaining spring mounting grooves 4. One retaining spring 2 is installed in each retaining spring mounting groove 4. The male connector B includes a male connector housing 5, a PIN pin mounting seat 6, and PIN pins 7. The PIN pin mounting seat 6 is installed inside the male connector housing 5, and multiple PIN pins 7 are installed inside the PIN pin mounting seat 6. There are a total of 11 retaining spring mounting grooves 4, which are distributed in three rows. The first row of retaining spring mounting grooves 4 on the left has 4 grooves, the second row of retaining spring mounting grooves 4 in the middle has 3 grooves, and the third row of retaining spring mounting grooves 4 on the right has 4 grooves. The positions of the first row of retaining spring mounting grooves 4 on the left and the third row of retaining spring mounting grooves 4 on the right are mirror-symmetrical. The PIN pins 7 are connected to the retaining springs 2 by plugging in.

[0020] Specifically, the retaining ring mounting slots 4 in each column are arranged longitudinally at equal intervals. That is, the four retaining ring mounting slots 4 in the first column are spaced equally apart, and the second column in the middle and the third column on the right are arranged in the same way.

[0021] Specifically, the female head housing 1 is provided with a female head positioning groove 9, and there are two female head positioning grooves 9 located on the left and right sides of the female head square groove 3 respectively. The male head housing 5 is provided with a male head positioning block 10, which cooperates with the female head positioning groove 9.

[0022] Specifically, the male connector housing 5 is a split structure, including an upper seat 11 and a base 12. The upper seat 11 is provided with hooks on the left and right sides, and the base 12 is provided with slots on the left and right sides that cooperate with the hooks. A limiting groove is formed between the upper seat 11 and the base 12. The PIN pin mounting seat 6 is placed in the limiting groove in the middle. A shock-absorbing sheet 14 is installed between the upper seat 11 and the PIN pin mounting seat 6.

[0023] Specifically, the upper seat 11 has positioning holes 15 at its four corners, the base 12 has positioning posts 16 that mate with the positioning holes 15, the positioning posts 16 have mounting holes, the female head housing 1 has a female head sealing ring 17 installed on its rear side, and the PIN pin mounting seat 6 has a male head sealing ring 18 installed around its periphery to improve waterproof performance.

[0024] The above description is a further detailed explanation of the present utility model in conjunction with specific preferred embodiments. It should not be considered that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the protection scope of the present utility model.

Claims

1. A blind-pluggable electric vehicle charging connector, comprising a female connector and a male connector, wherein the female connector includes a female connector housing and a retaining spring, the female connector housing has a female connector square groove, the female connector square groove has multiple retaining spring mounting slots, one retaining spring is installed in each retaining spring mounting slot, the male connector includes a male connector housing, a PIN pin mounting seat and PIN pins, the PIN pin mounting seat is installed inside the male connector housing, and multiple PIN pins are installed inside the PIN pin mounting seat, characterized in that: There are 11 retaining ring mounting slots in total, arranged in three columns. There are 4 retaining ring mounting slots in the first column on the left, 3 retaining ring mounting slots in the second column in the middle, and 4 retaining ring mounting slots in the third column on the right. The retaining ring mounting slots in the first column on the left and the third column on the right are mirror-symmetrical in position, and the PIN pins cooperate with the retaining rings.

2. The blind-pluggable electric vehicle charging connector according to claim 1, characterized in that: The retaining ring mounting slots in each column are arranged longitudinally at equal intervals.

3. The blind-pluggable electric vehicle charging connector according to claim 1, characterized in that: The mother The housing is provided with a female head positioning groove. There are two female head positioning grooves located on the left and right sides of the female head square groove. The male head housing is provided with a male head positioning block, which cooperates with the female head positioning groove.

4. The blind-pluggable electric vehicle charging connector according to claim 1, characterized in that: The public The head housing has a split structure. The male head housing includes an upper seat and a base. The upper seat has hooks on the left and right sides, and the base has slots on the left and right sides that cooperate with the hooks. A limiting groove is formed between the upper seat and the base, and the PIN pin mounting seat is placed in the limiting groove in the middle.

5. The blind-pluggable electric vehicle charging connector according to claim 4, characterized in that: A shock-absorbing plate is installed between the upper seat and the PIN pin mounting seat.

6. The blind-pluggable electric vehicle charging connector according to claim 1, characterized in that: The base is provided with positioning holes at the four corners, and the base is provided with positioning posts that cooperate with the positioning holes, with mounting holes in the positioning posts.

7. The blind-pluggable electric vehicle charging connector according to claim 1, characterized in that: A female sealing ring is installed on the rear side of the female head housing, and a male sealing ring is installed on the periphery of the PIN pin mounting seat.

Images