CN220797235U - Charging interface - Google Patents

Abstract

The utility model provides a charging interface which is used for connecting a detection pin of electronic equipment, and comprises a base body, a first fixing piece, a plurality of spring pins and a circuit board; the first fixing piece comprises a base body part fixed on the base body and a plug part protruding out of the base body, and the surface of the first fixing piece is covered with a silica gel sleeve; the silica gel sleeve is provided with a first convex ring in a convex way around the whole body of the plug-in part, and the silica gel sleeve is provided with a second convex ring in a convex way around the edge of the seat body and towards the direction away from the seat body; the circuit board is fixed in the base member and is located the one side of deviating from the grafting portion of pedestal portion, and the spring needle one end is fixed in first mounting and towards deviating from the direction protrusion in first mounting of pedestal portion, and the spring needle other end is connected in the circuit board. The charging interface provided by the utility model can protect the electronic equipment to maintain the sealing between interfaces in the charging process, and improves the safety of the electronic equipment during charging.

Description

Charging interface

Technical Field

The utility model belongs to the field of electronic equipment, and particularly relates to a charging interface.

Background

The charger is an indispensable electronic equipment accessory in daily life, and most of charging interfaces of the charger are directly exposed, and related technologies are dustproof and waterproof to the charging interfaces through the peripheral dustproof plugs. However, in a use scene such as a factory or a construction site, the charging interface needs to have an extremely strong dustproof and waterproof function in an operating state. Otherwise, dust and water drops on a working site can enter the charging interface in the charging process of the electronic equipment, so that the charging interface is in poor contact or damaged, normal charging of the electronic equipment is affected, production work is delayed, and production safety is also affected.

Disclosure of utility model

The utility model aims to provide a charging interface and aims to solve the problem that the charging interface in the related art is poor in dustproof and waterproof performances.

In order to solve the above technical problems, the present utility model is implemented by a charging interface for connecting a detection pin of an electronic device, including: the device comprises a base body, a first fixing piece, a plurality of spring pins and a circuit board;

the first fixing piece comprises a base body part fixed on the base body and a plug-in part protruding out of the base body, and the surface of the first fixing piece is covered with a silica gel sleeve; the silica gel sleeve is provided with a first convex ring in a protruding mode around the whole body of the plug-in portion, and the silica gel sleeve is provided with a second convex ring in a protruding mode around the edge of the seat body and in a direction away from the seat body;

The circuit board is fixed in the base member and be located the pedestal portion deviate from the one side of grafting portion, spring needle one end is fixed in first mounting and towards deviating from the direction of pedestal portion salient in first mounting, the spring needle other end connect in the circuit board.

Further, the base body is provided with a mounting hole matched with the base body, the inner wall of the mounting hole is provided with a mounting ring groove, and the silica gel sleeve is protruded around the whole body of the base body to form a third convex ring matched with the mounting ring groove.

Further, the first fixing piece extends from the plug-in portion to the circuit board direction to form a plurality of sleeves, one end of each sleeve protrudes out of the plug-in portion, the silica gel sleeve is provided with a plurality of fixing holes corresponding to the plurality of sleeves, and the spring needle is closely connected in the sleeve.

Further, the spring needle comprises a fixed cylinder and a PIN needle, wherein the fixed cylinder and the PIN needle are coaxially arranged;

The fixed cylinder outer wall interference fit in the sleeve, the PIN needle telescopic connection in the sleeve keep away from the one end of circuit board.

Further, the spring needle further comprises a fixed column and a connecting column which are coaxially and sequentially connected with the fixed cylinder, and the fixed column is abutted between the circuit board and the fixed cylinder; the connecting column penetrates through the circuit board.

Further, the first fixing piece is made of hard rubber.

Further, the charging interface further comprises a dustproof assembly rotationally connected to the base body, the dustproof assembly comprises a dustproof cover closely connected to the outside of the silica gel sleeve, and the dustproof cover is provided with a sealing groove matched with the first convex ring.

Further, a dust cover groove matched with the dust cover is formed between the base body and the dust-proof assembly at intervals;

The dustproof assembly further comprises a cover body rotating shaft rotatably connected with the base body, one end of the cover body rotating shaft is connected with the dustproof cover, and the cover body rotating shaft penetrates through one end, close to the first fixing piece, of the dustproof cover groove; one end of the cover body rotating shaft, which is far away from the dust cover, is provided with a limiting protrusion, and the limiting protrusion is used for limiting the moving stroke of the cover body rotating shaft towards the direction of the base body.

Further, the charging interface further comprises a second fixing piece fixed on one side, away from the first fixing piece, of the circuit board, the second fixing piece is provided with a sealing groove with an opening facing the circuit board, and the projection of the spring needle on the second fixing piece is located in the sealing groove.

Further, a sealing gasket is arranged between the sealing groove and the circuit board.

Compared with the prior art, the charging interface has the beneficial effects that: the spring needle is used for connecting the detection foot in the electronic equipment charging port, and the first mounting surface covers the silica gel cover, and the silica gel cover has certain elasticity, is convenient for seal the space between interface and the electronic equipment charging port that charges. The silica gel cover is around grafting portion whole body protrusion has first bulge loop, can the interference stopper in the electronic equipment mouth that charges, prevents water or dust entering in the interface that charges. The silica gel cover is around pedestal portion edge and towards detecting the convex second bulge loop of foot direction, can play dual waterproof ash prevention effect with the other direction of first bulge loop play waterproof ash prevention effect, and then guarantee electronic equipment's safety of charging.

Drawings

FIG. 1 is an exploded view of a first perspective of the overall structure of a charging interface in accordance with an embodiment of the present utility model;

FIG. 2 is an exploded view of a second perspective of the overall structure of the charging interface in an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a charging interface in an embodiment of the utility model;

Fig. 4 is an enlarged view of detail a in fig. 3;

FIG. 5 is an exploded view of a portion of the structure of a charging interface in an embodiment of the utility model;

FIG. 6 is a partial structural cross-sectional view of a charging interface in an embodiment of the utility model;

Fig. 7 is a schematic structural view of a dust-proof assembly according to an embodiment of the present utility model.

In the drawings, each reference numeral denotes: 100. a base; 110. a front shell; 111. a protruding portion; 1111. a dust cover groove; 112. a surrounding part; 120. a rear case; 121. a fitting hole; 200. a first fixing member; 210. a seat body part; 220. a plug-in part; 221. a sleeve; 230. a silica gel sleeve; 231. a first collar; 232. a second convex ring; 233. a third convex ring; 234. a fixing hole; 240. a housing chamber; 300. a spring needle; 310. a fixed cylinder; 311. a PIN needle; 312. fixing the column; 313. a connecting column; 400. a circuit board; 500. a dust-proof assembly; 510. a dust cover; 520. a cover body rotating shaft; 521. a limit protrusion; 522. a rotating shaft portion; 523. a connection part; 530. a fixed plug; 600. a second fixing member; 610. sealing grooves; 620. a sealing gasket; 630. and (5) assembling a column.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Examples:

In this embodiment, referring to fig. 1-6, a charging interface for connecting with a detection pin of an electronic device includes: a base body 100, a first fixing member 200, a plurality of pogo pins 300, and a circuit board 400; the first fixing piece 200 comprises a base body 210 fixed on the base body 100 and a plug-in part 220 protruding out of the base body 100, and the surface of the first fixing piece 200 is covered with a silica gel sleeve 230; the silica gel sleeve 230 is provided with a first convex ring 231 protruding around the whole body of the plug-in portion 220, and the silica gel sleeve 230 is provided with a second convex ring 232 protruding around the edge of the base 210 and towards the direction away from the base 210.

The circuit board 400 is fixed on the base 100 and is located at one side of the base 210 away from the plug-in portion 220, one end of the spring needle 300 is fixed on the first fixing member 200 and protrudes out of the first fixing member 200 towards the direction away from the base 210, and the other end of the spring needle 300 is connected to the circuit board 400.

Specifically, in this embodiment, the base 100 includes a front shell 110 and a rear shell 120 that are disposed at intervals and are connected at edges, the front shell 110 of the base 100 protrudes toward one end in a direction away from the rear shell 120 to form a protruding portion 111, the front shell 110 further includes a surrounding portion 112 that is close to the direction of the rear shell 120 and is connected to the protruding portion 111, the protruding portion 111 and the surrounding portion 112 enclose to form a bottom-opened accommodating cavity, the accommodating cavity is used for accommodating the first fixing element 200, the plurality of spring pins 300 and the circuit board 400, the first fixing element 200 is partially accommodated in the accommodating cavity, the plugging portion 220 of the first fixing element 200 protrudes toward a direction away from the opening of the accommodating cavity to form a protruding portion 111, the base portion 210 of the first fixing element 200 is accommodated in the accommodating cavity, and the circuit board 400 is accommodated in the accommodating cavity.

The first fixing piece 200 and the circuit board 400 enclose to form a containing cavity 240, a projection of the plugging portion 220 towards the direction of the base 210 is located in the base 210, and the plugging portion 220 is used for matching with a charging port of the electronic device. The whole body of the first fixing member 200 and the direction facing the detection foot of the electronic device are covered with an integrally formed silica gel sleeve 230. The ten spring PINs 300 are divided into two rows and uniformly arranged on the first fixing piece 200 in an array manner, and are partially accommodated in the accommodating cavity 240, the spring PINs 300 are arranged perpendicular to the circuit board 400 along the axial direction, the PIN PINs 311 of the spring PINs 300, which are telescopic, protrude out of the plug-in parts 220, and the top surfaces of the plug-in parts 220 of the protruding spring PINs 300 are arranged on the circuit board 400 in parallel.

An inserting port matched with the first fixing piece 200 is recessed inwards at one end of the electronic equipment, an annular inserting wall protruding towards the opening direction of the inserting port is arranged in the center of the inserting port, a connecting area is formed by enclosing the annular inserting wall, and detection pins matched with the spring pins 300 are arranged in an array mode in the connecting area. When the first fixing member 200 is inserted into the socket, the base 210 is closely connected to the inner wall of the socket, the plug 220 is closely connected to the inner wall of the annular socket, the pogo pins 300 are abutted to the corresponding detecting pins, and the surface of the plug 220 away from the base 210 is separated from the bottom of the socket by a telescopic distance of the pogo pins 300. As an example, two detection pins EN in the electronic device are connected to corresponding two pogo pins 300 in the charging interface, and signals are transmitted to a circuit board 400 connected to the other end of the pogo pins 300, and the circuit board 400 controls the electronic device to be connected to the charging power source.

First, first bulge loop 231 is used for realizing charging interface and electronic equipment detect waterproof in the one direction between the foot, second bulge loop 232 is used for realizing charging interface and electronic equipment detect waterproof in the other direction between the foot, first bulge loop 231 and second bulge loop 232 make electronic equipment charge and form airtight space between mouth and the interface that charges, in the charging process, spring needle 300 accommodates in airtight space, prevent external liquid and dust from adhering to spring needle 300 and detect foot department, reduced contact failure and circuit fault because of the environment brings, provided the interface that charges that is adapted to under the complex industrial production environment.

Second, the first convex ring 231 and the second convex ring 232 define the direction of inserting the charging port of the electronic device, so that the pogo pin 300 can be accurately abutted with the detecting pin, and electric sparks caused by poor contact between the pogo pin 300 and the detecting pin are avoided.

Again, the first convex ring 231 and the second convex ring 232 are made of silica gel, have certain elasticity, can be inserted into the charging port of the electronic equipment in an interference manner, generate friction force with the charging port of the electronic equipment, slow down the access speed of the electronic equipment and the charging port, prevent static electricity and electric spark generated by quick plugging, and further play an explosion-proof role.

Further, the base 100 is provided with a mounting hole matched with the base 210, the inner wall of the mounting hole is provided with a mounting ring groove, and the silica gel sleeve 230 is protruded around the whole body of the base 210 to form a third convex ring 233 matched with the mounting ring groove.

Specifically, as shown in fig. 1-6, in the present embodiment, the annular surface of the base portion 210 of the first fixing member 200 in the direction toward the plugging portion 220 is flush with the top surface of the front shell 110 of the base 100, the top surface of the front shell 110 is provided with a mounting hole matched with the base portion 210, and the third convex ring 233 can be tightly connected to the mounting ring groove, so that the base 100 and the first fixing member 200 are sealed, and water and dust are prevented from entering the base 100 through the gap between the base 100 and the first fixing member 200, so that the circuit board 400 of the charging interface can be protected, and the charging safety of the electronic device is further protected.

Further, the first fixing member 200 is formed by extending a plurality of sleeves 221 from the plugging portion 220 toward the circuit board 400, one end of each sleeve 221 protrudes from the plugging portion 220, a plurality of fixing holes 234 are formed in the silica gel sleeve 230 corresponding to the plurality of sleeves 221, and the pogo pins 300 are closely connected in the sleeves 221.

Specifically, as shown in fig. 4 and 5, in the present embodiment, ten sleeves 221 are integrally formed in the plugging portion 220 toward the circuit board 400, the sleeves 221 are matched with the pogo pins 300, the sleeves 221 include a first sleeve 221 and a second sleeve 221 connected in sequence, the first sleeve 221 protrudes from the top surface of the plugging portion 220 toward the detection pin of the electronic device, and the second sleeve 221 extends from the plugging portion 220 toward the circuit board 400. The spring needle 300 is partially tightly connected in the second sleeve 221, one end of the spring needle protrudes out of the first sleeve 221, and the silica gel sleeve 230 attached to the top surface of the plug part 220 is provided with a fixing hole 234 corresponding to the first sleeve 221.

The sleeve 221 is used for fixing the spring pin 300 and limiting the axial direction of the spring pin 300, so that the axial direction of the spring pin 300 is the plugging direction of the charging interface and the charging port of the electronic equipment, the spring pin 300 is tightly connected with the sleeve 221, dust and water can be prevented from entering the accommodating cavity 240 through the sleeve 221, circuit faults of the circuit board 400 caused by dust and liquid are reduced, the service life of the circuit board 400 is prolonged, and the charging safety of the electronic equipment is protected.

Further, the pogo PIN 300 includes a fixed cylinder 310 coaxially disposed and a PIN 311 telescopically disposed at one end of the fixed cylinder 310. The outer wall of the fixed cylinder 310 is closely connected with the sleeve 221, and the pin 311 can be telescopic at the end of the sleeve 221 away from the circuit board 400.

Specifically, as shown in fig. 4, in the present embodiment, the outer wall of the fixed cylinder 310 is interference-fitted to the second sleeve 221, and the pin 311 is telescopically connected to the first sleeve 221. The fixed cylinder 310 is used to give an elastic force to the PIN needle 311 in the axial direction. The PIN 311 is used for plugging with a detection PIN in the electronic device, and after plugging, the circuit board 400 sends a control instruction to the circuit board 400, so that the electronic device can be charged. The first sleeve 221 has a smaller diameter than the second sleeve 221, and the fixed cylinder 310 has a larger inner diameter than the first sleeve 221.

This arrangement can fix the pogo pin 300 in the axial direction on the one hand, and the smaller diameter of the second sleeve 221 can further prevent dust and water from entering the accommodating cavity 240 on the other hand, thereby protecting the circuit board 400.

Further, the pogo pin 300 further includes a fixing post 312 and a connecting post 313 coaxially and sequentially connected with the fixing barrel 310, wherein the fixing post 312 is abutted between the circuit board 400 and the fixing barrel 310; the connection post 313 is disposed through the circuit board 400.

Specifically, as shown in fig. 4, in the present embodiment, the fixing cylinder 310, the fixing post 312, and the connection post 313 are coaxially connected in order, and the inner diameter of the fixing post 312 is larger than the inner diameter of the first sleeve 221, which enables the fixing post 312 to abut between the fixing cylinder 310 and the circuit board 400. The circuit board 400 is provided with a through hole corresponding to the connection post 313 of the pogo pin 300, and the connection post 313 is used to fix the pogo pin 300 with the circuit board 400. The spring needle 300 can be stably accommodated in the accommodating cavity 240, and the movement of the spring needle 300 along the axial direction is further limited, so that the spring needle 300 is prevented from falling off or shifting. Meanwhile, since the fixing post 312 is abutted between the fixing cylinder 310 and the circuit board 400, water and dust do not interfere with the safety problem of the circuit board 400 in the accommodating cavity 240.

Further, the first fixing member 200 is made of hard plastic.

Specifically, the first fixing member 200 is made of hard rubber, and the friction force between the first fixing member 200 and the spring needle 300 is relatively large, so that the first fixing member 200 and the silicone sleeve 230 can be tightly attached together, the firmness of the silicone sleeve 230 is ensured, and the sleeve 221 and the spring needle 300 can be tightly attached together. Meanwhile, the hard rubber material is also an insulating part, so that the spring needle 300 of metal is prevented from being damaged by friction with the first fixing piece 200 or generating sparks. The tightness between the charging interface and the detection pin of the electronic equipment is further ensured, and dust, water and electric sparks are prevented from affecting the charging of the electronic equipment.

Further, the charging interface further includes a dust-proof assembly 500 rotatably connected to the base 100, where the dust-proof assembly 500 includes a dust-proof cover 510 closely attached to the outside of the silica gel sleeve 230, and the dust-proof cover 510 is provided with a sealing groove matching the first convex ring 231.

Specifically, as shown in fig. 1 and 2, in the present embodiment, the dust cap 510 is rotatably connected to the base 100 at one end, and is provided with a sealing groove matching the first collar 231 at the other end. The dust cap 510 is used for forming a closed space between the first fixing member 200 and the first fixing member 200 in an uncharged state, so as to prevent the PIN 311 of the pogo PIN 300 from being directly exposed to the air and prevent dust and liquid from entering the accommodating cavity 240 along the sleeve 221.

Further, the base 100 and the dust-proof assembly 500 are provided with dust-proof cover grooves 1111 which are matched with the dust-proof covers 510 at intervals; the dust-proof assembly 500 further includes a cover rotating shaft 520 rotatably connected to the base 100, one end of the cover rotating shaft 520 is connected to the dust-proof cover 510, and the cover rotating shaft 520 is disposed through one end of the dust-proof cover slot 1111, which is close to the first fixing member 200; the end of the cover rotating shaft 520 far away from the dust cover 510 is provided with a limiting protrusion 521, and the limiting protrusion 521 is used for limiting the moving stroke of the cover rotating shaft 520 far away from the base 100.

Specifically, as shown in fig. 1 and 7, in the present embodiment, the dust-proof assembly 500 further includes a fixing plug 530 protruding from the base 100. The cover rotating shaft 520 comprises a rotating shaft part 522 penetrating through the dust cover groove 1111 and close to one end of the first fixing piece 200, and a connecting part 523 integrally formed at one end of the rotating shaft part 522, wherein the connecting part 523 is in interference fit with the dust cover 510, the connecting part 523 is provided with a fixing hole 234 along the axial direction of the cover rotating shaft 520, and the fixing plug 530 penetrates through the fixing hole 234. The rotating shaft 522 can drive the connecting portion 523 to move along the rotating shaft in a direction away from the base 100, and in the moving process, the fixing hole 234 is separated from the fixing plug 530, and the dust cover 510 is away from the first fixing member 200. The end of the rotating shaft portion 522 away from the dust cover 510 is provided with a limiting protrusion 521, and the limiting protrusion 521 is used for limiting the moving stroke of the cover rotating shaft 520 in the direction away from the base 100, preferably, the maximum moving stroke of the cover rotating shaft 520 is the height of the PIN 311 from the surface of the base 100 along the axial direction. When the cover rotating shaft 520 moves to the maximum stroke in the direction away from the base 100, the cover rotating shaft 520 is rotated 180 °, and then the cover rotating shaft 520 moves to the direction close to the base 100 to be inserted into the dust cover groove 1111, thereby completing the installation and removal of the dust cover 510. The cover body rotating shaft 520 enables the dust cover 510 to be detachably mounted on the first fixing member 200 in a manner of rotating the connecting base body 100, and on the basis of effectively protecting the charging interface, the charging interface can be conveniently switched from an unused state to a to-be-used state.

Further, the charging interface further comprises a second fixing member 600 fixed to a side of the circuit board 400 facing away from the first fixing member 200, the second fixing member 600 is provided with a sealing groove 610 opened toward the circuit board 400, and a projection of the spring needle 300 toward the second fixing member 600 is located in the sealing groove 610. Preferably, a gasket 620 is provided between the sealing groove 610 and the circuit board 400.

Specifically, as shown in fig. 4 and 5, one end of the second fixing member 600 is fixed to the circuit board 400, and the edge of the second fixing member is abutted against the inner wall of the opening of the accommodating cavity, the second fixing member 600, the circuit board 400, and the first fixing member 200 are sequentially fixed to the top of the protruding portion of the front shell 110 by screws, the accommodating cavity is formed by enclosing the second fixing member 600, the protruding portion of the front shell 110, and the enclosing portion 112 of the front shell 110, the second fixing member 600 is integrally formed and protrudes from the direction of the circuit board 400, the assembling post 630 is protruded from the bottom surface of the rear shell 120, the assembling hole 121 matched with the assembling post 630 is formed in the bottom surface of the rear shell 120, and the assembling post 630 is inserted into the assembling hole 121.

A sealed space is formed between the sealing groove 610 and the circuit board 400, the sealing gasket 620 can enable the sealing performance of the contact part between the sealing groove 610 and the circuit board 400 to be better, prevent water and dust from entering into a gap between the sealing groove 610 and the circuit board 400, cause short circuit or other influences on the circuit board 400 and the spring needle 300 penetrating through the circuit board 400, and finally play a role in protecting a charging interface and ensure the charging safety of electronic equipment.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The charging interface is used for being connected with a detection pin of electronic equipment and is characterized by comprising a base body, a first fixing piece, a plurality of spring pins and a circuit board;

the first fixing piece comprises a base body part fixed on the base body and a plug-in part protruding out of the base body, and the surface of the first fixing piece is covered with a silica gel sleeve; the silica gel sleeve is provided with a first convex ring in a protruding mode around the whole body of the plug-in portion, and the silica gel sleeve is provided with a second convex ring in a protruding mode around the edge of the seat body and in a direction away from the seat body;

The circuit board is fixed in the base member and be located the pedestal portion deviate from the one side of grafting portion, spring needle one end is fixed in first mounting and towards deviating from the direction of pedestal portion salient in first mounting, the spring needle other end connect in the circuit board.

2. The charging connector of claim 1, wherein the base body is provided with a mounting hole matched with the base body, a mounting ring groove is formed in the inner wall of the mounting hole, and a third convex ring matched with the mounting ring groove protrudes around the whole body of the base body.

3. The charging connector according to claim 1, wherein the first fixing member is formed by extending from the plugging portion to the circuit board, a plurality of sleeves are formed at one ends of the sleeves protruding from the plugging portion, a plurality of fixing holes are formed in the silicone sleeve corresponding to the plurality of sleeves, and the pogo pins are closely connected in the sleeves.

4. A charging interface as claimed in claim 3, wherein the pogo PIN comprises a fixed barrel coaxially arranged and a PIN telescopically arranged at one end of the fixed barrel;

The fixed cylinder outer wall interference fit in the sleeve, the PIN needle telescopic connection in the sleeve keep away from the one end of circuit board.

5. The charging interface of claim 4, wherein the spring pin further comprises a fixed post and a connecting post coaxially and sequentially connected with the fixed barrel, the fixed post being abutted between the circuit board and the fixed barrel; the connecting column penetrates through the circuit board.

6. The charging interface of claim 1, wherein the first fixing member is made of hard rubber.

7. The charging interface of claim 1, further comprising a dust assembly rotatably coupled to the base, the dust assembly comprising a dust cap sealed to the exterior of the silicone sleeve, the dust cap having a sealing groove configured to mate with the first collar.

8. The charging interface of claim 7, wherein said base is spaced from said dust assembly by a dust cap slot that mates with said dust cap;

The dustproof assembly further comprises a cover body rotating shaft rotatably connected with the base body, one end of the cover body rotating shaft is connected with the dustproof cover, and the cover body rotating shaft penetrates through one end, close to the first fixing piece, of the dustproof cover groove; one end of the cover body rotating shaft, which is far away from the dust cover, is provided with a limiting protrusion, and the limiting protrusion is used for limiting the moving stroke of the cover body rotating shaft towards the direction of the base body.

9. The charging interface of claim 1, further comprising a second mount secured to a side of the circuit board facing away from the first mount, the second mount being provided with a seal slot opening toward the circuit board, a projection of the spring pin onto the second mount being located within the seal slot.

10. The charging interface of claim 9, wherein a gasket is disposed between the seal groove and the circuit board.