Charging socket with novel integrated terminal structure

Abstract

The utility model discloses a charging socket with a novel integrated terminal structure. The charging socket with the novel integrated terminal structure comprises a main seat, a PCB, a plurality of signal jack pieces, a plurality of expansion spring sleeves and a plurality of copper sleeves, the rear end face of the main base is in threaded connection with the PCB, and the front end face of the main base is provided with at least one signal end. The signal end is provided with a plurality of first shaft holes. The outer end of the cylindrical body of the signal jack member is sleeved in the first shaft hole. The outer end face of the body is provided with a plug hole, and the inner end face is provided with a connecting section. The two end rings of the expansion spring sleeve are connected with the two ends of the hollow spring body in an equal-diameter shaft sleeve connecting section, and the spring body elastically deforms outwards in the circumferential direction to be attached to an inner hole of the copper sleeve. And the copper sleeve is inserted into a positioning hole of the PCB in a sleeving manner. According to the technical scheme of the utility model, the pins are assembled in a unified and integrated manner, so that integrated signal transmission is realized. The assembly is convenient, the efficiency is high, and the product precision is improved.

Description

Technical Field

[0001] The utility model relates to the field of new energy vehicle charging sockets, in particular to a charging socket with a novel integrated terminal structure. Background Art

[0002] With the rapid development of new energy vehicles today, new energy charging sockets are necessary accessories. Customers have increasing demand for high performance of charging sockets. Charging sockets have many signal interfaces, and the circuit board sockets that match the pins also need to be of various sizes. The problems are as follows: First, the structure requires a relatively complex circuit board structure, high processing costs, and is prone to errors, resulting in a low yield rate; second, the assembly efficiency is low, the production efficiency is low, and poor assembly is prone to occur. Utility Model Content

[0003] In order to solve one or more of the above problems, the utility model provides a charging socket with a novel integrated terminal structure.

[0004] According to one aspect of the utility model, the charging socket with a novel integrated terminal structure comprises: a main seat, a PCB circuit board, and a plurality of signal jacks, an expansion spring sleeve, and a copper sleeve;

[0005] The rear end face of the main seat is threadedly connected to the PCB circuit board and the front end face thereof is provided with at least one signal terminal, and the signal terminal is provided with a plurality of first axial holes;

[0006] The outer end of the cylindrical body of the signal jack is sleeved in the first axial hole, the outer end surface of the body is provided with a plug-in hole and the inner end surface is provided with a connecting section;

[0007] The two end rings of the expansion spring sleeve are equal diameter shaft sleeve connection sections, the two end rings connect the two ends of the hollow spring body, and the spring body elastically deforms outward in the circumferential direction to fit the inner hole of the copper sleeve;

[0008] The copper sleeve is inserted into the positioning hole of the PCB circuit board.

[0009] In some embodiments, in a natural state, the spring body is a spindle-shaped shell, and in a compressed state, the spring body can be deformed into a torus.

[0010] In some embodiments, a plurality of spring sheets of the spring body are arranged in a circular array and both ends thereof are respectively connected to end rings, and rectangular spacing holes are provided between adjacent spring sheets.

[0011] In some embodiments, two symmetrical axial pins at one end of the copper sleeve are welded in the positioning holes of the PCB circuit board;

[0012] Or the end face of the copper sleeve and the axial pin are connected through an integrally connected C-shaped bending piece.

[0013] In some embodiments, the end of the copper sleeve also forms a truncated cone shell.

[0014] In some embodiments, a chamfer is provided at the connection point between the frustoconical shell and the annular body of the copper sleeve.

[0015] In some embodiments, two positioning shoulders for fixing the signal sealing ring are provided in the middle of the body.

[0016] In some embodiments, the front end surface of the main seat is further provided with two wire ends, and the middle of the guide terminal is fixed to the second axial hole of the wire end through an elastic member. In some embodiments, the elastic member is an elastic retaining spring or a C-shaped ring of elastic plastic material, and the elastic member will shrink and pop open and be fixed when it reaches the ring groove position of the second axial hole.

[0017] In some embodiments, the charging socket is applicable to Japanese, European, American and national standards.

[0018] The charging socket with a novel integrated terminal structure adopts a unified positioning hole, performs signal transfer through a copper sleeve, and performs size adjustment and connection through elastic deformation of an expansion spring sleeve, thereby realizing unified and integrated assembly. The beneficial effects are: first, the structural group is easy to assemble, the assembly efficiency is high, and integrated signal transmission is realized; second, the processing requirements of the PCB circuit board are reduced, the structure of the PCB circuit board is simplified, the processing cost is effectively reduced, and the product precision is improved; third, the cooperation of the expansion spring sleeve and the copper sleeve does not change the structure of other components, the installation is convenient, and the elastic structure has high strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional schematic diagram of a charging socket with a novel integrated terminal structure according to an embodiment of the utility model;

[0020] Figure 2 for Figure 1 A three-dimensional schematic diagram of the terminal module shown;

[0021] Figure 3 for Figure 1 A three-dimensional schematic diagram of the signal jack shown;

[0022] Figure 4 for Figure 3 A schematic cross-sectional view of the signal jack shown;

[0023] Figure 5 for Figure 3 The three-dimensional schematic diagram of the signal jack without the copper sleeve is shown;

[0024] Figure 6 for Figure 3 A three-dimensional schematic diagram of the copper sleeve shown;

[0025] Figure 7 for Figure 2 A three-dimensional schematic diagram of the wire terminal and the elastic member shown;

[0026] Figure 8 for Figure 1 A three-dimensional schematic diagram of the panel module shown;

[0027] Fig. 9 for Figure 1 A three-dimensional schematic diagram of the tail cover module shown;

[0028] Terminal module 02, signal jack 1, body 10, connecting section 100, plug hole 101, positioning shoulder 102, expansion spring sleeve 2, spring body 20, spring piece 201, spacing hole 202, end ring 21, copper sleeve 3, axial pin 31, bending sheet 32, frustum shell 33, chamfer 34, PCB circuit board 4, positioning hole 41, signal sealing ring 5, wire terminal 6, integrated fixing plate 7, protective shell 8, main seat 9, front mounting plate 90, wire end 91, signal end 92, elastic member 020;

[0029] Tail cover module 03, rear mounting seat 030, power tail cover 031, signal tail cover 032, power line sealing body 033, signal line sealing body 034;

[0030] Panel module 01, flange seat 010, center axis hole 0101, mounting panel 0102, connecting through hole 0103, identification and positioning anti-rotation table 0104, dust cover 011, spring rope 014, ring terminal 015, screw bushing 016, sealing gasket 017. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below in conjunction with the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0032] Figures 1 to 9 A charging socket with a novel integrated terminal structure according to an embodiment of the present utility model is schematically shown. As shown in the figure, the charging socket comprises: a main seat 9, a PCB circuit board 4, and a plurality of signal jacks 1, a tension spring sleeve 2, and a copper sleeve 3;

[0033] The rear end face of the main seat 9 is threadedly connected to the PCB circuit board 4 and the front end face thereof is provided with at least one signal terminal 92, the signal terminal 92 is provided with a plurality of first axial holes, and the first axial holes can be preferably arranged in a circular array;

[0034] The outer end of the cylindrical body 10 of the signal jack 1 is sleeved in the first axial hole, the outer end surface of the body 10 is provided with a plug hole 101 and the inner end surface thereof is provided with a connecting section 100;

[0035] The two end rings 21 of the expansion spring sleeve 2 are equal to the diameter of the shaft sleeve connecting section 100, and the two end rings 21 connect the two ends of the hollow spring body 20. The spring body 20 elastically deforms outward in the circumferential direction to fit the inner hole of the copper sleeve 3; preferably, in the natural state, the spring body 20 is a spindle-shaped shell, and in the compressed state, the spring body 20 is deformed into a circular ring body.

[0036] The copper sleeve 3 is inserted into the positioning hole 41 of the PCB circuit board 4 .

[0037] The charging socket with a novel integrated terminal structure adopts a unified positioning hole 41, performs signal transfer through the copper sleeve 3, and elastically deforms the expansion spring sleeve 2 to adjust the size and connect, thereby realizing a unified and integrated assembly, and its beneficial effects are: first, the structure group is easy to assemble, the assembly efficiency is high, and integrated signal transmission is realized; second, the processing requirements of the PCB circuit board 4 are reduced, the structure of the PCB circuit board 4 is simplified, the processing cost is effectively reduced, and the product precision is improved; third, the cooperation of the expansion spring sleeve 2 and the copper sleeve 3 does not change the structure of other components, is easy to install, and has a high elastic structure strength.

[0038] Furthermore, the spring body 20 includes a plurality of spring sheets 201, which are arranged in a circumferential array and connected to the end rings 21 at both ends, and rectangular spacing holes 202 are provided between adjacent spring sheets 201. The beneficial effect is that the structure is simple and has better elastic deformation force.

[0039] Furthermore, two axial pins 31 are symmetrically arranged at one end of the copper sleeve 3, and the axial pins 31 are welded in the positioning holes 41 of the PCB circuit board 4. The beneficial effect is that the structure is convenient for processing and welding the circuit board.

[0040] Furthermore, the end face of the copper sleeve 3 and the axial pin 31 are connected by an integrally connected C-shaped bending piece 32, the width of the bending piece 32 is greater than the width of the axial pin 31, and the end face of the bending piece 32 constitutes an installation positioning surface. The beneficial effect is that the structure is convenient for determining the welding height, determining the welding position, and improving the installation accuracy.

[0041] Furthermore, the end of the copper sleeve 3 also forms a truncated cone housing 33, and the outer end circle diameter of the truncated cone housing 33 is larger than the inner end connection circle diameter. The beneficial effect is that the structure reduces the installation stress and realizes conductive installation.

[0042] Furthermore, a chamfer 34 is provided at the connection between the truncated cone shell 33 and the annular sleeve body of the copper sleeve 03. The beneficial effect is that the structure reduces the installation stress and realizes conductive installation.

[0043] Furthermore, two positioning shoulders 102 are provided in the middle of the body 10, and a signal sealing ring 5 is sleeved between the positioning shoulders 102. The signal sealing ring 5 sleeve is installed between the two positioning shoulders 102, and the signal sealing ring 5 is installed in the rear step hole with a large diameter at the rear end of the first shaft hole. The beneficial effect is that the signal sealing ring 5 has high positioning accuracy.

[0044] Preferably, the front end surface of the main seat 9 is provided with two signal terminals 92 , and each signal terminal 92 is provided with four first axial holes.

[0045] Preferably, one end of the PCB circuit board 4 is also connected to a plurality of signal terminals, and the signal terminal shaft sleeves are in the through holes of the integrated fixing plate 7 and the protective shell 8; the integrated fixing plate 7 and the protective shell 8 shaft sleeves are on the front end of the tube hole of the signal tube of the rear mounting seat 030, and a signal sealing body 034 is fixed to the rear end of the tube hole of the signal tube, and a signal tail cover is also clamped on the outer end of the signal tube.

[0046] The integrated fixing plate 7 is pin-connected to the PCB circuit board 4 , and the protective shell 8 is plugged into the integrated fixing plate 7 , and the rear end of the integrated fixing plate 7 faces the signal sealing body 034 .

[0047] The front mounting plate of the main seat 9 forms an end ring at the front end and a limiting ring at the rear end. The end ring is inserted into the central axis hole 0101, the main seat 9 is placed on the limiting ring, and the PCB circuit board 4 is placed in the main seat 9.

[0048] The tail cover module 03 also includes a power tail cover 031, a signal tail cover 032, a power sealing body 033 and a signal sealing body 034;

[0049] The rear end face of the rear mounting plate of the rear mounting seat 030 is provided with at least two wire tubes and one signal tube, the rear end of the inner tube hole of the guide tube is fixed with a power wire sealing body 033 and the front end of the inner tube hole accommodates the rear end of the power jack, the rear end of the tube wall of the guide tube is plugged with a power tail cover 031, the rear end of the inner tube hole of the signal tube is fixed with a signal wire sealing body 034 and the rear end of the tube wall is plugged with a signal tail cover 032.

[0050] Preferably, the charging socket is applicable to Japanese standard, European standard, American standard and national standard system. The beneficial effect is that the structure has good versatility and is applicable to various scenarios.

[0051] Furthermore, the front end surface of the main seat 9 is also provided with two wire ends 91, each wire end 91 is provided with a second axial hole, and the front end of the wire terminal 6 is inserted into the second axial hole; the middle of the guide terminal 6 is fixed to the second axial hole by an elastic member 020. Preferably, the elastic member 020 is an elastic retaining spring and a C-shaped ring of elastic plastic material, which has a certain elasticity, and will shrink when the front mounting plate 4 is snapped, and will pop open to cooperate with the mounting plate when reaching a certain position, and the separation force can reach 1000N, which is convenient for high-precision positioning and assembly of the wire terminal 6.

[0052] In a preferred embodiment, the charging socket with a novel integrated terminal structure includes: a panel module 01, a terminal module 02 and a tail cover module 03;

[0053] A first threaded hole is provided at the rear end of the flange seat 010 of the panel module 01;

[0054] The main seat 9 of the terminal module 02 is provided with a plurality of first through holes;

[0055] The rear mounting seat 030 of the tail cover module 03 is provided with a plurality of second through holes;

[0056] The first threaded member passes through the second through hole and the first through hole in sequence and enters the first threaded hole, so that the panel module 01, the terminal module 02 and the tail cover module 03 of the pre-installed module can be detachably connected.

[0057] The charging socket adopts modular panel module, terminal module and tail cover module. Each module can be pre-assembled and produced. A set of first threaded parts can assemble the three modules into one. Its beneficial effects are: first, each module is assembled separately, and the threaded parts can be assembled once to complete the overall assembly. Parts can be quickly replaced according to the customer's choice to match the various needs of the customer, which improves production efficiency and facilitates later maintenance and after-sales. The assembly production efficiency is high, and the product abnormality rate caused by human factors is low; second, the front mounting plug and flange mounting plate of the fixed terminal are divided into two structures, and the DC part can be assembled separately during production. When the installation size of the flange mounting plate is inconsistent with the size of the customer's body environment, the flange panel can be quickly replaced according to the customer's body environment to adapt to the customer's body environment. The installation can be adjusted quickly and the versatility is high.

[0058] Preferably, the thread structure of the first threaded hole is an embedded nut integrally injection-molded in the flange seat 010. The first threaded hole is arranged at the center of several arc columns on the outer wall of the seat body of the flange seat 010, the first through hole is arranged at the center of several first arc ear plates on the outer wall of the front mounting plate 90 of the main seat 9, and the second through hole is arranged at the center of several second arc ear plates on the outer wall of the rear mounting plate of the rear mounting seat 030.

[0059] In another preferred embodiment, the panel module 01 includes a dust cover 011 made of TPU thermoplastic polyurethane material, a flange seat 010, a dustproof sealing ring made of silicone rubber material, and a spring rope 014;

[0060] One end of the annular body of the dust cover 011 and the inner side surface of the circular cover body are coaxially connected as a whole, and a first sealing groove is formed in the middle of the outer circumferential wall of the annular body;

[0061] The seat body of the flange seat 010 is provided with a central axis hole 0101, and the outer wall of the seat body close to the end is integrally connected to the installation panel 0102, the central axis hole 0101 is inserted with a small gap in the circular ring body and its outer side wall is sealed to fit the seat body, the inner ring wall of the dustproof sealing ring is tightly sleeved in the first sealing groove, and its outer ring wall is elastically expanded and interference fits the central axis hole 0101; one end of the spring rope 014 fixes the cover body and the other end is detachably connected to the circular ring terminal 015 at a corner of the installation panel 0102.

[0062] The beneficial effects of the charging socket are as follows: first, the dust cover is made of plastic material, especially TPU thermoplastic polyurethane material, which has good low temperature resistance, reduces temperature difference deformation, and improves the sealing performance of the product at low temperature. At the same time, a sealing ring is added, especially a silicone rubber material, and the elastic expansion and contraction of the sealing ring can make up for the gap caused by temperature difference deformation, thereby solving the safety problem of the dust cover shrinking at low temperature, and at the same time, the IP55 dustproof level is achieved while ensuring the plug-in force; second, the plastic material, especially TPU thermoplastic polyurethane material, has a better hand feel and can improve the customer's use experience; third, a spring rope is provided to flexibly connect the plug-in cover, without opening a hole in the panel or the body, thereby effectively preventing the dust cover from being lost.

[0063] Further, the detachable end of the spring rope 014 is a ring-shaped movable lock buckle with an openable gap, and the movable lock buckle is detachably connected to the small circular hole of the locking end of the circular ring terminal 015; or the fixed end of the spring rope 014 is a sealed ring-shaped fixing buckle, and the fixing buckle is connected to the end hole seat on the cover body. The circular ring terminal 015 includes a fixed end connected to the locking end in one piece, and the fixed end can be placed in a connecting through hole 0103 of the installation panel 0102, and the screw member passes through the large circular hole of the fixed end and the connecting through hole 0103 to connect the fixed end.

[0064] Furthermore, the four corners of the installation panel 0102 are respectively provided with connecting through holes 0103, and the connecting through holes 0103 connected to the fixed end are also provided with a C-shaped opening identification positioning anti-rotation platform 0104.

[0065] Preferably, the spacing of the connecting through holes 0103 is consistent with the national standard size system.

[0066] A screw bushing 016 is integrally injection-molded or interference-fitted in the connecting through hole 0103;

[0067] A flange O-type sealing gasket 017 is also installed at the other end of the connecting through hole 0103.

[0068] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these all belong to the protection scope of the present invention.

Claims

1. A charging socket with a new integrated terminal structure, characterized in that: It comprises: a main seat (9), a PCB circuit board (4), and a plurality of signal jacks (1), an expansion spring sleeve (2), and a copper sleeve (3); The rear end face of the main seat (9) is threadedly connected to the PCB circuit board (4) and the front end face thereof is provided with at least one signal terminal (92), wherein the signal terminal (92) is provided with a plurality of first axial holes; The outer end of the cylindrical body (10) of the signal jack (1) is inserted into the first axial hole, the outer end surface of the body (10) is provided with a plug-in hole (101) and the inner end surface thereof is provided with a connecting section (100); The two end rings (21) of the expansion spring sleeve (2) are equally axially sleeved on the connecting section (100), the two end rings (21) are connected to the two ends of the hollow spring body (20), and the spring body (20) is elastically deformed outward in the circumferential direction to fit the inner hole of the copper sleeve (3); The copper sleeve (3) is inserted into the positioning hole (41) of the PCB circuit board (4).

2. The charging socket with a novel integrated terminal structure according to claim 1, characterized in that: In a natural state, the spring body (20) is a spindle-shaped shell, and in a compressed state, the spring body (20) can be deformed into a circular ring.

3. The charging socket with a novel integrated terminal structure according to claim 2, characterized in that: A plurality of spring sheets (201) of the spring body (20) are arranged in a circular array and have their two ends respectively connected to the end rings (21), and rectangular spacing holes (202) are provided between adjacent spring sheets (201).

4. The charging socket with a novel integrated terminal structure according to claim 1, characterized in that: Two symmetrical axial pins (31) at one end of the copper sleeve (3) are welded in positioning holes of the PCB circuit board (4); Or the end surface of the copper sleeve (3) and the axial pin (31) are connected via an integrally connected C-shaped bending piece (32).

5. The charging socket with a novel integrated terminal structure according to claim 4, characterized in that: The end of the copper sleeve (3) also forms a truncated cone housing (33).

6. The charging socket with a novel integrated terminal structure according to claim 5, characterized in that: A chamfer (34) is provided at the connection point between the truncated cone shell (33) and the annular body of the copper sleeve (3).

7. The charging socket with a novel integrated terminal structure according to claim 1, characterized in that: Two positioning shoulders (102) for fixing the signal sealing ring (5) are provided in the middle of the body (10).

8. The charging socket with a novel integrated terminal structure according to claim 1, characterized in that: The front end surface of the main seat (9) is also provided with two wire ends (91), and the middle of the guide terminal (6) is fixed to the second axial hole of the wire end (91) through an elastic member (020).

9. The charging socket with a novel integrated terminal structure according to claim 8, characterized in that: The elastic member (020) is an elastic retaining spring or a C-shaped ring made of elastic plastic material.

10. The charging socket with a novel integrated terminal structure according to any one of claims 1 to 9, characterized in that: The charging socket is applicable to Japanese, European, American and national standards.

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