Charging socket with novel dustproof structure

Abstract

The utility model discloses a charging socket with a novel dustproof structure. The charging socket with the novel dustproof structure comprises a dustproof cover made of a plastic material, a flange seat, a dustproof sealing ring and a spring rope, one end of the ring body of the dustproof cover is coaxially and integrally connected with the inner side surface of the circular cover body; a first sealing groove is formed in the middle of the outer circumferential wall of the ring body; a seat body of the flange seat is provided with a central shaft hole, the outer wall, close to the end, of the seat body is integrally connected with a mounting panel, a circular ring body is inserted into the central shaft hole in a small-gap mode, the outer side wall of the circular ring body is hermetically attached to the seat body, the inner ring wall of a sealing ring tightly sleeves a first sealing groove, and the outer ring wall of the sealing ring is elastically expanded and attached to the central shaft hole in an interference mode. One end of the spring rope fixes the cover body and the other end is detachably connected with one corner of the mounting panel. The dustproof cover is made of a low-temperature-resistant material, and the sealing ring is added, so that the dustproof cover is safe to use at low temperature, and meanwhile, the use touch feeling of a customer is improved.

Description

Technical Field

[0001] The utility model relates to a charging socket for a new energy vehicle, in particular to a charging socket with a novel dustproof structure. Background Art

[0002] With the rapid development of new energy vehicles today, new energy charging sockets are essential accessories. Customers have increasing demands for high performance of charging sockets. The following problems exist: First, the dust cover is easy to shrink at low temperatures, and there is a gap between the dust cover and the socket hole. Dust and water vapor can easily enter the socket hole, which will cause socket safety problems and reduce the service life of the socket. In addition, the current dust cover is opened and placed by opening a hole in the body or panel. The defect is that the existing flange panel is small and cannot be opened. The whole vehicle cannot be opened due to space problems. Therefore, it is randomly placed and easy to lose, causing inconvenience to customers and reducing dustproof performance. 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 dustproof structure.

[0004] According to one aspect of the utility model, the charging socket with a novel dustproof structure comprises: a dustproof cover made of plastic material, a flange seat, a dustproof sealing ring and a spring rope;

[0005] One end of the annular body of the dust cover is coaxially connected to the inner side surface of the circular cover body, and a first sealing groove is formed in the middle of the outer circumferential wall of the annular body;

[0006] The seat body of the flange seat is provided with a central axis hole, and the outer wall of the seat body close to the end is integrally connected to the mounting panel, the central axis hole is inserted with a small gap into the annular body and its outer side wall is sealed and fitted to the seat body.

[0007] The inner wall of the sealing ring is tightly sleeved in the first sealing groove, and the outer wall of the sealing ring is elastically expanded and tight to fit the central shaft hole;

[0008] One end of the spring rope fixes the cover body and the other end is detachably connected to a corner of the installation panel.

[0009] In some embodiments, the sealing ring is made of silicone rubber; or the outer wall of the sealing ring is provided with a plurality of annular V-shaped grooves.

[0010] In some embodiments, the dust cover is made of TPU thermoplastic polyurethane material.

[0011] In some embodiments, the detachable end of the spring rope is a movable lock buckle with an annular structure having an openable notch, and the movable lock buckle is detachably connected to the small circular hole of the locking end of the ring terminal; or the fixed end of the spring rope is a sealing ring-shaped fixing buckle, and the fixing buckle is connected to the end hole seat on the cover body.

[0012] In some embodiments, the ring terminal includes a fixed end integrally connected to the locking end, the fixed end can be placed in a connecting through hole of the mounting panel, and the screw member passes through the large circular hole of the fixed end and the connecting through hole to connect the fixed end.

[0013] In some embodiments, the mounting panel is a rectangular plate, and connection through holes are respectively provided at its four corners, and the connection through holes connected to the fixed end are also provided with a C-shaped opening identification positioning anti-rotation platform.

[0014] In some embodiments, the spacing of the connecting through holes is consistent with the national standard size system.

[0015] In some embodiments, a straight-line plug-in end is provided on the outer groove wall of the cover body, an end hole seat is provided at one end of the plug-in end, and a mark is also provided on the plug-in end.

[0016] In some embodiments, a screw bushing is interference-connected in the connecting through hole;

[0017] Or the spring rope is a plastic body with a spring wire connected inside.

[0018] In some embodiments, the charging socket is applicable to Japanese, European, American and national standards.

[0019] The beneficial effects of the charging socket with a novel dustproof structure 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. The elastic expansion and contraction of the sealing ring can make up for the gap caused by temperature difference deformation, solves the safety problem of the dust cover shrinking at low temperature, and achieves the IP55 dustproof level 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, effectively preventing the dust cover from being lost and facilitating after-sales replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a three-dimensional schematic diagram of a charging socket with a novel dustproof structure according to an embodiment of the utility model;

[0021] Figure 2 for Figure 1 A three-dimensional schematic diagram of the panel module shown;

[0022] Figure 3 for Figure 2 The three-dimensional schematic diagram of the panel module shown is shown with the flange seat removed;

[0023] Figure 4 for Figure 1 The three-dimensional schematic diagram of the terminal module shown (I);

[0024] Figure 5 for Figure 4 The three-dimensional schematic diagram of the terminal module shown (II);

[0025] Figure 6 for Figure 1 A three-dimensional schematic diagram of the signal jack, the expansion spring sleeve and the copper sleeve;

[0026] Figure 7 for Figure 1 A three-dimensional schematic diagram of the wire terminal and the elastic member shown;

[0027] Figure 8 for Figure 1 A three-dimensional schematic diagram of the tail cover module shown;

[0028] Panel module 01, dust cover 1, annular body 10, first sealing groove 100, cover body 11, end hole seat 110, plug-in end 12, reinforcing rib 13, flange seat 2, seat body 20, first threaded hole 200, central axis hole 201, mounting panel 21, connecting through hole 22, identification and positioning anti-rotation platform 23, sealing ring 3, spring rope 4, movable lock buckle 41, fixed buckle 42, annular terminal 5, locking end 51, fixed end 52, screw bushing 6, sealing rubber pad 7;

[0029] Terminal module 02, front mounting seat 020, wire end 0201, signal end 0202, signal jack 021, expansion spring sleeve 022, spring body 0220, end ring 0221, copper sleeve 023, axial pin 0231, wire terminal 024, signal sealing ring 025, elastic member 026, PCB circuit board 027;

[0030] 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. 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 8 A charging socket with a novel dustproof structure according to an embodiment of the utility model is schematically shown. As shown in the figure, the charging socket with a novel dustproof structure comprises: a dustproof cover 1 made of plastic material, a flange seat 2, a dustproof sealing ring 3 and a spring rope 4;

[0033] One end of the annular body 10 of the dust cover 1 is coaxially connected to the inner side of the circular cover body 11, and a first sealing groove 100 is formed in the middle of the outer circumferential wall of the annular body 10. Preferably, the dust cover 1 is made of TPU thermoplastic polyurethane material.

[0034] The seat body 20 of the flange seat 2 is provided with a central axis hole 201, and the outer wall of the seat body 20 close to the end is integrally connected to the mounting panel 21, the central axis hole 201 is inserted into the annular body 10 with a small gap and its outer side wall is sealed and fitted to the seat body 20,

[0035] The inner wall of the sealing ring 3 is tightly sleeved in the first sealing groove 100, and the outer wall thereof is elastically expanded and interference fits the central shaft hole 201. Preferably, the sealing ring 3 is made of silicone rubber.

[0036] One end of the spring rope 4 fixes the cover 11 and the other end is detachably connected to a corner of the mounting panel 21 .

[0037] The beneficial effects of the charging socket with a novel dustproof structure are as follows: first, the dust cover 1 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, 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 4 is provided to flexibly connect the plug-in cover, without opening a hole in the panel or the body, effectively preventing the dust cover from being lost and facilitating after-sales replacement.

[0038] Among them, the charging socket is suitable for Japanese, European, American and national standards.

[0039] Furthermore, a plurality of annular V-shaped grooves are provided on the outer wall of the sealing ring 3. The beneficial effect is that the device has a good sealing effect and can provide a good plugging and pulling force.

[0040] Further, the detachable end of the spring rope 4 is a ring-shaped movable lock buckle 41 with an openable gap, and the movable lock buckle 41 is detachably connected to the small circular hole of the locking end 51 of the circular ring terminal 5; or the fixed end of the spring rope 4 is a sealed ring-shaped fixing buckle 42, and the fixing buckle 42 is connected to the end hole seat 110 on the cover body 11. Preferably, the circular ring terminal 5 includes a fixed end 52 integrally connected to the locking end 51, and the fixed end 52 can be placed in a connecting through hole 22 of the installation panel 21, and the screw member passes through the large circular hole of the fixed end 52 and the connecting through hole 22 to connect the fixed end. Its beneficial effect is that the setting is convenient for installation, and at the same time, the existing structure is utilized, the structure is simple, and the cost is reduced.

[0041] Preferably, the spring rope 4 is a plastic body with a spring wire integrally connected therein.

[0042] Furthermore, the mounting panel 21 is a rectangular plate, and its four corners are respectively provided with connecting through holes 22, and the connecting through holes 22 connected to the fixed end 52 are also provided with a C-shaped opening identification positioning anti-rotation platform 23. Its beneficial effect is: the identification positioning anti-rotation platform 23 controls the rotation of the screw, making it more convenient for customers to assemble.

[0043] Preferably, the spacing of the connecting through holes 22 is consistent with the national standard size system.

[0044] Furthermore, a straight-shaped plug-in end 12 is provided on the outer groove wall of the cover body 11, an end hole seat 110 is provided at one end of the plug-in end 12, and a mark is also provided on the plug-in end 12. The beneficial effect is that it is convenient for plugging and unplugging.

[0045] Furthermore, a plurality of buckles are provided at the connection between the cover body 11 and the annular body 10, and a slot matching with the buckle is provided in the central axis hole 201, so as to realize interference fit between the two. The beneficial effect is to improve the installation accuracy of the product.

[0046] Preferably, a reinforcing rib 13 is further provided on the inner wall of the annular body 10 at a position opposite to the first sealing groove 100. The beneficial effect thereof is: improving the structural strength of the product.

[0047] Furthermore, a screw bushing 6 is integrally injection-molded or connected by interference fit in the connecting through hole 22;

[0048] A flange O-shaped sealing rubber pad 7 is also installed at the other end of the connecting through hole 22, and the sealing rubber pad has its own adhesive backing to connect the screw bushing 6. The beneficial effect is that the structure is convenient for installation and assembly.

[0049] In a preferred embodiment, a charging socket with a novel dustproof structure includes: a panel module 01, a terminal module 02 and a tail cover module 03; a first threaded hole 200 is provided at the rear end of the flange seat 2 of the panel module 01, wherein the threaded structure of the first threaded hole 200 is preferably an embedded nut integrally injection molded in the flange seat 2; a front mounting seat 020 of the terminal module 02 is provided with a plurality of first through holes; a rear mounting seat 030 of the tail cover module 03 is provided with a plurality of second through holes; a 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.

[0050] 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.

[0051] In another preferred embodiment, the terminal module 02 includes a front mounting seat 020, a PCB circuit board 027, and a plurality of signal jacks 021, expansion spring sleeves 022, and copper sleeves 023; the rear end face of the front mounting seat 020 is threadedly connected to the PCB circuit board 027 and its front end face is provided with at least one signal terminal 0202; the outer end of the cylindrical base of the signal jack 021 is inserted into a plurality of axial holes arranged in a circular array of the signal terminal 0202, the outer end face of the base is provided with a plug-in hole and the inner end face is provided with a connecting section; the two end rings 0221 of the expansion spring sleeve 022 are equal-diameter shaft sleeve connecting sections, the two end rings 0221 connect the two ends of the hollow spring body, and the spring body 0220 elastically deforms outward in the circumferential direction to fit the inner hole of the copper sleeve 023; the copper sleeve 023 is inserted into the positioning hole of the PCB circuit board 027. Preferably, the spring body 0220 includes a plurality of spring pieces, which are arranged in a circular array and connected to end rings 0221 at both ends, and rectangular spacing holes are provided between adjacent spring pieces. Preferably, two symmetrical axial pins 0231 at one end of the copper sleeve 023 are plugged into the positioning holes of the PCB circuit board 027. The two positioning shoulders in the middle of the base are fixed to the signal sealing ring 025. The beneficial effects are: through the cooperation of the tension spring sleeve 022 and the copper sleeve 023, integrated installation in the hole position of the circuit board is realized, the connection between the jack and the circuit board is realized, the integrated signal transmission is realized, the circuit board processing and welding are convenient, the welding height is convenient to determine, the welding position is determined, and the installation accuracy is improved.

[0052] The front end surface of the front mounting seat 020 is also provided with two wire ends 0201, each wire end 0201 is provided with a second axial hole, and the front end of the wire terminal 024 is plugged into the second axial hole; the middle of the wire terminal 024 is fixed to the second axial hole by an elastic member 026. The elastic member 026 is an elastic spring or a C-shaped ring made of elastic plastic material, which has a certain elasticity and will shrink when the front mounting plate 4 is buckled, and will pop open to cooperate with the mounting plate when reaching a certain position, and the separation force can reach 1000N, ensuring a good assembly effect.

[0053] One end of the PCB circuit board 027 is also connected to several signal terminals, and the signal terminal sleeves are in the through holes of the integrated fixing plate and the protective shell; the integrated fixing plate and the protective shell sleeves are at the front end of the tube hole of the signal tube of the rear mounting seat 030, and the rear end of the protective shell is opposite to the signal sealing body 034.

[0054] The tail cover module 03 also includes a power tail cover 031, a signal tail cover 032, a power wire sealing body 033 and a signal wire sealing body 034; 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 the power wire sealing body 033 and the front end of the inner tube hole accommodates the rear end of the wire terminal 024, the rear end of the tube wall of the guide tube is plugged with the power tail cover 031, the rear end of the inner tube hole of the signal tube is fixed with the signal wire sealing body 034 and the rear end of the tube wall is plugged with the signal tail cover 032.

[0055] 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, which all belong to the protection scope of the present invention.

Claims

1. A charging socket with a new dustproof structure, characterized in that: It comprises: a dust cover (1) made of plastic material, a flange seat (2), a dustproof sealing ring (3) and a spring rope (4); One end of the annular body (10) of the dust cover (1) and the inner side surface of the circular cover body (11) are coaxially connected as a whole, and a first sealing groove (100) is formed in the middle of the outer circumferential wall of the annular body (10); The seat body (20) of the flange seat (2) is provided with a central axis hole (201), and the outer wall of the seat body (20) close to the end is integrally connected to the mounting panel (21), the central axis hole (201) is inserted into the annular body (10) with a small gap, and its outer side wall is sealed and fitted to the seat body (20), The inner ring wall of the sealing ring (3) is tightly sleeved in the first sealing groove (100), and the outer ring wall thereof is elastically expanded and interference fits the central shaft hole (201); One end of the spring rope (4) fixes the cover body (11) and the other end is detachably connected to a corner of the installation panel (21).

2. A charging socket with a novel dustproof structure according to claim 1, characterized in that: The sealing ring (3) is made of silicone rubber; or the outer wall of the sealing ring (3) is provided with a plurality of annular V-shaped grooves.

3. The charging socket with a novel dustproof structure according to claim 1, characterized in that: The dust cover (1) is made of TPU thermoplastic polyurethane material.

4. The charging socket with a novel dustproof structure according to claim 1, characterized in that: The detachable end of the spring rope (4) is a ring-shaped movable lock buckle (41) with an openable notch, and the movable lock buckle (41) is detachably connected to a small circular hole of a locking end (51) of the ring terminal (5); or the fixed end of the spring rope (4) is a sealing ring-shaped fixing buckle (42), and the fixing buckle (42) is connected to an end hole seat (110) on the cover body (11).

5. The charging socket with a novel dustproof structure according to claim 4, characterized in that: The annular terminal (5) comprises a fixed end (52) integrally connected to the locking end (51); the fixed end (52) can be placed in a connecting through hole (22) of the mounting panel (21); a threaded member passes through a large circular hole of the fixed end (52) and the connecting through hole (22) to connect the fixed end.

6. The charging socket with a novel dustproof structure according to claim 5, characterized in that: The installation panel (21) is a rectangular plate, and the four corners thereof are respectively provided with the connecting through holes (22), and the connecting through holes (22) connected to the fixed ends (52) are also provided with a C-shaped opening identification positioning anti-rotation platform (23).

7. The charging socket with a novel dustproof structure according to claim 6, characterized in that: The spacing of the connecting through holes (22) is consistent with the national standard size system.

8. The charging socket with a novel dustproof structure according to claim 7, characterized in that: An I-shaped plug-in end (12) is provided on the outer groove wall of the cover body (11), the end hole seat (110) is provided at one end of the plug-in end (12), and a mark is also provided on the plug-in end (12).

9. The charging socket with a novel dustproof structure according to claim 7, characterized in that: A screw bushing (6) is integrally injection-molded or interference-fitted in the connecting through hole (22).

10. A charging socket with a novel dustproof 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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