CN119481797A

CN119481797A - A waterproof connector for vehicle

Info

Publication number: CN119481797A
Application number: CN202510055775.7A
Authority: CN
Inventors: 王哲禄; 任安德; 任蒙恬; 朱云川; 胡晓虎; 陈全隆; 吴晓伟; 任灵勇
Original assignee: Zhejiang Deli Connector Co ltd
Current assignee: Zhejiang Deli Connector Co ltd
Priority date: 2025-01-14
Filing date: 2025-01-14
Publication date: 2025-02-18
Anticipated expiration: 2045-01-14
Also published as: CN119481797B

Abstract

The present application relates to a waterproof connector for a vehicle, and relates to the technical field of connectors, which comprises a substrate, and a plurality of conductive sheets fixed on the substrate, wherein an inner sealing cover for an external plug to be inserted is fixedly arranged on the substrate around the common periphery of the plurality of conductive sheets; an outer sealing cover is fixedly arranged on the substrate outside the inner sealing cover, and a gap is preset between the inner sealing cover and the outer sealing cover for the outer shell part of the external plug to be inserted; in the present application, when the connector is used, the user inserts the main body of the external plug into the interior of the inner sealing cover and plugs it into the conductive sheet, and the outer shell of the external plug is simultaneously inserted into the gap between the inner sealing cover and the outer sealing cover, and abuts and fits with the inner wall of the gap, so that the waterproof level of the connector can reach IPX7 through the double sealing structure setting, which can meet the application scenarios of vehicle splashing, wading, etc.

Description

Waterproof connector for vehicle

Technical Field

The application relates to the technical field of connectors, in particular to a waterproof connector for a vehicle.

Background

The connector for the vehicle is used as a core component of an automobile electronic system and plays a key role of ensuring efficient and stable connection between various electronic devices and systems in the vehicle. Along with the rapid development of the automobile industry and the remarkable improvement of the electronic level, and the continuous improvement of the requirements of consumers on the safety, the environmental protection, the comfort and the intellectualization of the automobile, the application scope of the automobile electronic products is increasingly widened, and the importance of the automobile connector is increased along with the rise of the ship.

In the prior art, a typical automotive connector design includes an insulating base, a plurality of connection terminals fixedly mounted on the base, and an insulating housing fixedly disposed about the connection terminals. The external plug is connected through the plug-in fit with the connecting terminal, and meanwhile, the shell of the plug is fixed with the insulating shell in a clamping manner, so that the stability of connection is ensured.

However, in practical applications, the connector is applied to a chassis part of a vehicle, and in complex environments such as splash and wading, which may be encountered during running of an automobile, the waterproof performance of the connector is severely challenged. Because the existing design often has gaps at the plugging position after the plugging of the external plug and the connector is completed, the gaps are very easy to become ponding or rainwater penetrating channels, once the moisture penetrates into the connector, the connection short circuit can be caused, the normal work of the electronic equipment is affected, even potential safety hazards such as vehicle out of control can be caused when serious, and as a result, the improvement space exists.

Disclosure of Invention

The application aims to provide a waterproof connector for a vehicle, which solves the problems of insufficient waterproof performance and potential safety hazards of the connector in the related art.

The application provides a waterproof connector for a vehicle, which adopts the following technical scheme:

The waterproof connector for the vehicle comprises a substrate and a plurality of conducting strips fixedly arranged on the substrate, wherein an inner sealing cover into which an external plug is clamped is fixedly arranged on the substrate around the common periphery of the conducting strips, an outer sealing cover is fixedly arranged on the substrate outside the inner sealing cover, and a gap for the outer shell part of the external plug to be clamped is reserved between the inner sealing cover and the outer sealing cover.

Through adopting above-mentioned technical scheme, when this connector is used, because the setting of the double-deck waterproof construction of interior sealed cowling and outer sealed cowling, the user inserts the main part of external plug to the inside of interior sealed cowling and peg graft the cooperation with the conducting strip, the shell of external plug inserts the clearance between interior sealed cowling and the outer sealed cowling in step to with the inner wall butt laminating in clearance, with this setting of double seal construction, make this connector waterproof level can reach IPX7, can satisfy automobile-used splash, wade etc. application scenario to and other application scenario of high waterproof nature requirement.

Optionally, two opposite side surfaces of the substrate, which are opposite to the outer sealing cover, are respectively hinged with an upper protection plate and a lower protection plate, an upper protection cover is fixedly arranged on the side surface, which is far away from the substrate, of the upper protection plate, a lower protection cover is fixedly arranged on the side surface, which is far away from the substrate, of the lower protection plate, the upper protection cover and the lower protection cover can be sleeved on the connecting peripheral surfaces of the outer sealing cover and the outer plug shell, elastic sealing gaskets are fixedly arranged on the side surfaces, which are close to each other, of the upper protection cover and the lower protection cover, and side edges, which are close to each other, of the upper protection cover and the lower protection cover are detachably connected.

Through adopting above-mentioned technical scheme, after external plug finishes with this connector grafting, will go up protection casing and lower protection casing and rotate in opposite directions, until last protection casing and lower protection casing cover establish the linking periphery at outer sealed cowling and external plug shell, make the elastic sealing pad on last protection casing and the lower protection casing inner wall support tightly with outer sealed cowling lateral surface, lock the border that goes up protection casing and lower protection casing mutually close to this realizes the outer sealed protection of linking of outer sealed cowling and external plug shell, improves the sealing performance when this connector is used.

Optionally, locking blocks are symmetrically and fixedly arranged on the outer side face of the upper protective cover, locking plates are symmetrically hinged on the outer side face of the lower protective cover, locking holes are formed in the locking plates, and the locking blocks can be clamped into the locking holes along with rotation of the locking plates.

Through adopting above-mentioned technical scheme, when the lock can be dismantled to the border that is close to each other of upper shield and lower shield, because the combination setting of locking piece and locking plate, rotate the locking plate to the direction that is close to the locking piece, make the locking piece card go into the locking hole on the locking plate.

Optionally, the locating lever has all been set firmly on the side that upper shield and lower shield kept away from each other, inlay on the periphery of locating lever and be equipped with first magnetism and inhale the piece, all inlay on the opposite both sides face of base plate periphery and be equipped with the second magnetism and inhale the piece, first magnetism on the locating lever is inhaled the piece and can be rotated to the state of inhaling the butt with the second magnetism along with upper shield or lower shield.

Through adopting above-mentioned technical scheme, when external plug and this connector grafting, because the locating lever, first magnetism is inhaled the piece and the combination setting that the piece was inhaled to the second magnetism, the user can be with last guard plate and lower guard plate rotation in opposite directions, makes first magnetism on the locating lever inhale the piece and inhale the piece magnetism with the second magnetism that corresponds and inhale the butt, makes and goes up guard plate and lower guard plate keep this state, reduces the interference of both to grafting in-process, improves the performance of this connector.

Optionally, the cavity of accomodating has been seted up on the opposite both sides face on the base plate periphery, the spacing heavy groove has been seted up at the opening border of accomodating the cavity, the bottom side that spacing heavy groove is close to the outer sealed cowling articulates there is the apron, the apron can rotate and insert to the spacing heavy inslot and will accomodate the cavity shutoff, be equipped with the locating part to the detachable locking of apron opposite side on the base plate.

Through the technical scheme, the screw required for installation can be placed in the storage cavity when the connector is sold, when the connector is required to be installed and applied, a user can unlock the limiting piece from the cover plate, then the cover plate is rotated out of the limiting sink, the screw is taken out of the storage cavity, the matched screw is not required to be purchased additionally, and the installation difficulty of the connector is reduced.

Optionally, a traction handle is arranged on the outer side surface of the cover plate.

By adopting the technical scheme, the cover plate is convenient to rotate out of the limiting sink due to the arrangement of the traction handle on the cover plate.

Optionally, the limiting piece comprises a pressure spring and a limiting block, a positioning block is fixedly arranged on the side face of the limiting block, a storage groove for the pressure spring and the limiting block to be placed in is formed in the base plate, a limiting hole communicated with the storage groove is formed in the inner wall of the limiting sinking groove, the pressure spring extrudes one side of the limiting block to enable the positioning block to be inserted into and penetrate through the protruding limiting hole, a positioning groove for the protruding portion of the positioning block to be inserted is formed in the cover plate, and a control piece for enabling the positioning protruding block to be separated from the positioning groove is arranged on the positioning rod.

By adopting the technical scheme, due to the combined arrangement of the pressure spring and the limiting block, when the limiting piece locks the cover plate, the cover plate is rotated into the limiting sink, then the protruding part of the positioning block is inserted into the positioning groove on the cover plate under the extrusion of the pressure spring, and when the cover plate needs to be opened, a user can adjust the state of the positioning rod and unlock the cover plate by the limiting piece through the control piece.

Optionally, the control piece comprises a control rod arranged at the end part of the positioning rod and a control block fixedly arranged on the control rod, a control port communicated with the storage groove is formed in the outer side face of the base plate, a guide inclined plane is arranged on the peripheral edge, close to the positioning block, of the limiting block, the control block can be sequentially inserted into the control port and the storage groove along with rotation of the positioning rod, and the control block can extrude the positioning block along the guide inclined plane to enable the positioning block to slide in a direction close to the pressure spring.

Through adopting above-mentioned technical scheme, when releasing the locking of locating part to the apron through the control, will go up guard plate and lower guard plate earlier and rotate in opposite directions, this in-process of control piece is rotated along with the locating lever and is inserted control mouth, accomodate the inslot in proper order, and the control piece can make it slide to the direction that is close to the pressure spring along guide inclined plane extrusion locating piece, and then makes the bulge of locating piece deviate from the constant head tank, and then releases the locked state of apron.

Optionally, the control rod is hinged with the end part of the positioning rod, the control rod can rotate to be coaxial with the positioning rod, a yielding gap is formed in the side surface of the base plate, which is far away from the outer sealing cover, and the control block can rotate into the yielding gap along with the positioning rod when the positioning rod and the control rod are coaxial.

Through adopting above-mentioned technical scheme, adjust locating lever and control lever to coaxial state in advance, when the first magnetism on the locating lever is inhaled the piece and is inhaled the piece magnetism with the second that corresponds and inhale the butt, make the control lever rotate to the breach of stepping down in, further improve the installation stability of guard plate and lower guard plate on this state.

Optionally, the substrate is fixedly provided with a fixing bump on the inner wall of the abdicating notch, and the control block is provided with a fixing groove for the fixing bump to be clamped in.

Through adopting above-mentioned technical scheme, after the control block rotates to the breach of stepping down in, because the cooperation setting of fixed lug and fixed recess, can make fixed lug card go into the fixed recess on the control block, strengthened the mounting stability of guard plate and lower guard plate on this state.

In summary, the present application includes at least one of the following beneficial technical effects:

When the connector is applied, a user inserts the main body of the external plug into the inner sealing cover and is in plug-in fit with the conducting strip, and the shell of the external plug is synchronously inserted into a gap between the inner sealing cover and the outer sealing cover and is abutted against the inner wall of the gap, so that the waterproof level of the connector can reach IPX7 through the double sealing structure, and application scenes such as splashing, wading and the like of a vehicle can be met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present application;

FIG. 2 is a schematic cross-sectional view of embodiment 1 of the present application;

fig. 3 is a schematic structural view of embodiment 2 of the present application when the upper shield and the lower shield are rotated and abutted against each other;

FIG. 4 is a schematic view of the structure of embodiment 2 of the present application when the upper shield and the lower shield are rotated away from each other;

FIG. 5 is a schematic view of a partial cross-sectional structure of embodiment 2 embodying the positioning rod mounting engagement of the present application;

FIG. 6 is a schematic view of a partial cross-sectional structure embodying the fitting of the stopper in embodiment 2 of the present application;

FIG. 7 is a schematic view in partial cross-section of embodiment 2 of the present application embodying a control member mounting fit;

fig. 8 is a partially cross-sectional schematic construction view showing the mounting engagement of the control block and the fixing projection in embodiment 2 of the present application.

In the figure, 1, a base plate, 11, a conducting strip, 12, an inner sealing cover, 13, an outer sealing cover, 131, a clamping block, 14, a second magnetic attraction block, 15, a storage cavity, 151, a limiting sinking groove, 152, a limiting hole, 16, a storage groove, 161, a control port, 17, a yielding notch, 18, a fixing lug, 2, an upper protection plate, 21, an upper protection cover, 22, an elastic sealing gasket, 23, a locking block, 24, a positioning rod, 25, a first magnetic attraction block, 26, a containing notch, 3, a lower protection plate, 31, a lower protection cover, 32, a locking plate, 321, a locking hole, 4, a cover plate, 41, a traction handle, 42, a positioning groove, 5, a limiting piece, 51, a pressure spring, 52, a limiting block, 521, a guiding inclined surface, 53, a positioning block, 6, a control piece, 61, a control rod, 62, a control block, 621 and a fixing groove.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings.

Example 1:

referring to fig. 1 and 2, a waterproof connector for a vehicle comprises a substrate 1, three conductive sheets 11 fixed on the substrate 1 side by side, an inner sealing cover 12 into which an external plug is clamped is integrally formed on the substrate 1 around the common periphery of the conductive sheets 11, an outer sealing cover 13 is integrally formed on the substrate 1 outside the inner sealing cover 12, a gap into which a shell part of the external plug is clamped is reserved between the inner sealing cover 12 and the outer sealing cover 13, and a clamping block 131 is integrally formed on one side of the periphery of the outer sealing cover 13, so that the subsequent further clamping with the external plug is facilitated.

The base plate 1, the inner sealing cover 12 and the outer sealing cover 13 are all made of insulating plastic materials, and through the double-layer waterproof structure of the inner sealing cover 12 and the outer sealing cover 13, the waterproof level of the connector can reach IPX7, the connection strength is also greatly increased, and the connector can meet application scenes such as splashing and wading for vehicles and other application scenes with high waterproof performance requirements.

The implementation principle of the embodiment of the application is as follows:

In the application process of the connector, the substrate 1 is fixed at a position to be installed in advance through a screw, then a user inserts the main body of the external plug into the inner sealing cover 12 and is in plug-in fit with the conducting strip 11, and the shell of the external plug is inserted into a gap between the inner sealing cover 12 and the outer sealing cover 13 and is abutted against the inner wall of the gap, so that the waterproof performance of the connector is ensured through the double sealing structure.

Example 2:

Referring to fig. 3 and 4, the difference between the embodiment of the present application and embodiment 1 is that two opposite sides of the substrate 1 opposite to the outer seal cover 13 are hinged with an upper protection plate 2 and a lower protection plate 3 respectively, wherein the side of the upper protection plate 2 far away from the substrate 1 is fixedly provided with an upper protection cover 21, the side of the lower protection plate 3 far away from the substrate 1 is fixedly provided with a lower protection cover 31, the upper protection cover 21 and the lower protection cover 31 can be sleeved on the connecting peripheral surfaces of the outer seal cover 13 and the outer plug shell, and the adjacent sides of the upper protection cover 21 and the lower protection cover 31 are respectively fixed with an elastic seal gasket 22 made of rubber material through glue;

The upper protective cover 21 and the lower protective cover 31 are detachably connected with each other at the side edges close to each other, wherein locking blocks 23 are symmetrically and fixedly arranged on the outer side surface of the upper protective cover 21, locking plates 32 are symmetrically hinged on the outer side surface of the lower protective cover 31, locking holes 321 are formed in the locking plates 32, when an external plug is inserted with the connector, the upper protective cover 21 and the lower protective cover 31 are rotated in opposite directions, so that the locking blocks 23 on the lower protective cover 31 can be clamped into the locking holes 321 on the upper protective cover 21 in an interference manner along with the rotation of the locking plates 32, and the sealing protection outside the connection of the external sealing cover 13 and the external plug shell is realized.

Referring to fig. 4 and 5, positioning rods 24 are fixedly arranged on the side surfaces of the upper protection plate 2 and the lower protection plate 3, which are far away from each other, first magnetic attraction blocks 25 are embedded on the periphery of the positioning rods 24, second magnetic attraction blocks 14 are embedded on the two opposite side surfaces of the periphery of the substrate 1, and the first magnetic attraction blocks 25 on the positioning rods 24 can rotate to a state of being in magnetic attraction and abutting contact with the second magnetic attraction blocks 14 along with the upper protection plate 2 or the lower protection plate 3;

when the external plug is plugged with the connector, the upper protection plate 2 and the lower protection plate 3 can be rotated in opposite directions, so that the first magnetic attraction block 25 on the positioning rod 24 is in magnetic attraction and abutting connection with the corresponding second magnetic attraction block 14.

Referring to fig. 6, two opposite sides of the periphery of the base plate 1 are provided with storage cavities 15, wherein the opening edges of the storage cavities 15 are provided with limiting sink grooves 151, the bottom side surface of the limiting sink grooves 151, which is close to the outer sealing cover 13, is hinged with a cover plate 4, the cover plate 4 can be rotatably inserted into the limiting sink grooves 151 to seal the storage cavities 15, and the base plate 1 is provided with limiting pieces 5 which can be detachably locked on the other side of the cover plate 4;

the storage cavity 15 can store additional screws, the traction handle 41 is arranged on the outer side face of the cover plate 4, the cover plate 4 can be conveniently rotated out of the limiting sink 151, when the connector is required to be installed and applied, a user can unlock the limiting piece 5 to the cover plate 4, the screws are taken out of the storage cavity 15, and the difficulty in installation of the connector is reduced.

Referring to fig. 6, the limiting member 5 includes a compression spring 51 and a limiting block 52, wherein a positioning block 53 is fixedly arranged on a side surface of the limiting block 52, a storage groove 16 into which the compression spring 51 and the limiting block 52 are placed is formed in the substrate 1, and a limiting hole 152 communicated with the storage groove 16 is formed in an inner wall of the limiting sink groove 151;

Under the extrusion of the pressure spring 51, the protruding part of the limiting block 52 is clamped into the positioning groove 42 on the cover plate 4, so that the cover plate 4 is locked, the situation that the cover plate 4 is opened in a natural state is avoided, the positioning rod 24 is provided with the control piece 6 which enables the positioning protruding block to be separated from the positioning groove 42, when the cover plate 4 needs to be opened, the state of the positioning rod 24 can be adjusted, and the locking of the limiting piece 5 to the cover plate 4 is released through the control piece 6.

Referring to fig. 6 and 7, the control member 6 includes a control rod 61 disposed at an end of the positioning rod 24, a control block 62 fixedly disposed on the control rod 61, a control port 161 communicating with the storage slot 16 is formed on an outer side surface of the base plate 1, and a guiding inclined plane 521 is disposed on an outer peripheral edge of the limiting block 52 adjacent to the positioning block 53;

The control block 62 can be sequentially inserted into the control port 161 and the storage groove 16 along with the rotation of the positioning rod 24, and the control block 62 can press the positioning block 53 along the guide inclined plane 521 to slide in a direction approaching the compression spring 51, so that the protruding portion of the positioning block 53 is disengaged from the positioning groove 42, and the locking of the cover plate 4 is released.

Referring to fig. 7 and 8, the control rod 61 is hinged to the end of the positioning rod 24, wherein the control rod 61 can rotate to be coaxial with the positioning rod 24, a yielding gap 17 is formed on the side surface of the base plate 1 away from the outer sealing cover 13, a fixing bump 18 is integrally formed on the inner wall of the yielding gap 17, the outer side surface of the fixing bump 18 is a cambered surface, the arc length corresponding to the cambered surface is a minor arc, and a fixing groove 621 for the fixing bump 18 to be clamped in is formed on the control block 62;

when the positioning rod 24 and the control rod 61 are in the coaxial state, the control block 62 can rotate along with the positioning rod 24 into the yielding notch 17, and meanwhile, the fixing projection 18 is clamped into the fixing groove 621 on the control block 62, so that the installation stability of the upper protection plate 2 and the lower protection plate 3 in this state is improved.

In other embodiments, the connection mode of the positioning rod 24 and the corresponding protection plate can be set to be hinged, the upper protection cover 21 and the lower protection cover 31 rotate in opposite directions, when the outer sealing cover 13 and the outer plug shell are connected for sealing protection, the positioning rod 24 can be adjusted to a state of abutting against the outer surface of the corresponding protection plate after rotating for 90 degrees, and meanwhile, the positioning rod 24 and the control rod 61 in the state are detachably locked by using screws, so that the interference to other connecting wires in the subsequent application is reduced, and the details are not repeated.

When taking the screws in the accommodating cavity 15 on the substrate 1, the positioning rod 24 and the control rod 61 are adjusted to be vertical in advance, then the upper protection plate 2 and the lower protection plate 3 are rotated oppositely, the control block 62 can be sequentially inserted into the control port 161 and the accommodating groove 16 along with the rotation of the positioning rod 24, the control block 62 can press the positioning block 53 along the guide inclined plane 521 to slide in the direction approaching to the pressure spring 51, and the protruding part of the positioning block 53 is separated from the positioning groove 42;

when the external plug is plugged with the connector, the positioning rod 24 and the control rod 61 are adjusted to be in a coaxial state in advance, and then the upper protection plate 2 and the lower protection plate 3 are rotated in opposite directions, so that the first magnetic attraction block 25 on the positioning rod 24 is in magnetic attraction and contact with the corresponding second magnetic attraction block 14, and the fixing projection 18 is clamped into the fixing groove 621 on the control block 62;

After the external plug is inserted into the connector, the upper protective cover 21 and the lower protective cover 31 are rotated in opposite directions, and then the locking block 23 on the upper protective cover 21 can be clamped into the locking hole 321 on the lower protective cover 31 along with the rotation of the locking plate 32, so that the sealing protection between the external sealing cover 13 and the external plug shell is realized.

Unless defined otherwise, terms or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and the like, as used in this specification, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, wherein like reference numerals are used to refer to like elements throughout. Therefore, all equivalent changes according to the structure, shape and principle of the present application should be covered in the protection scope of the present application.

Claims

1. The waterproof connector for the vehicle is characterized by comprising a substrate (1) and a plurality of conductive sheets (11) fixedly arranged on the substrate (1), wherein an inner sealing cover (12) into which an external plug is clamped is fixedly arranged on the substrate (1) around the common periphery of the conductive sheets (11);

An outer sealing cover (13) is fixedly arranged on the substrate (1) outside the inner sealing cover (12), and a gap for clamping a shell part of an external plug is reserved between the inner sealing cover (12) and the outer sealing cover (13).

2. The waterproof connector for vehicles according to claim 1, wherein two opposite side surfaces of the substrate (1) opposite to the outer sealing cover (13) are respectively hinged with an upper protection plate (2) and a lower protection plate (3), an upper protection cover (21) is fixedly arranged on the side surface of the upper protection plate (2) far away from the substrate (1), and a lower protection cover (31) is fixedly arranged on the side surface of the lower protection plate (3) far away from the substrate (1);

The upper protection cover (21) and the lower protection cover (31) can be sleeved on the connecting peripheral surface of the outer sealing cover (13) and the external plug shell, elastic sealing gaskets (22) are fixedly arranged on the side surfaces, close to each other, of the upper protection cover (21) and the lower protection cover (31), and the side edges, close to each other, of the upper protection cover (21) and the lower protection cover (31) are detachably connected.

3. The waterproof connector for the vehicle, according to claim 2, is characterized in that locking blocks (23) are symmetrically and fixedly arranged on the outer side face of the upper protective cover (21), locking plates (32) are symmetrically hinged on the outer side face of the lower protective cover (31), locking holes (321) are formed in the locking plates (32), and the locking blocks (23) can be clamped into the locking holes (321) along with rotation of the locking plates (32).

4. The waterproof connector for vehicles according to claim 2, wherein the side surfaces of the upper protection plate (2) and the lower protection plate (3) which are far away from each other are fixedly provided with positioning rods (24), the periphery of each positioning rod (24) is embedded with a first magnetic attraction block (25), the two opposite side surfaces of the periphery of the substrate (1) are embedded with a second magnetic attraction block (14), and the first magnetic attraction blocks (25) on the positioning rods (24) can rotate to a state of being in magnetic attraction butt joint with the second magnetic attraction blocks (14) along with the upper protection plate (2) or the lower protection plate (3).

5. The waterproof connector for the vehicle according to claim 4, wherein the two opposite side surfaces on the periphery of the base plate (1) are provided with a storage cavity (15), the edge of the opening of the storage cavity (15) is provided with a limiting sink groove (151), the bottom side surface of the limiting sink groove (151) close to the outer sealing cover (13) is hinged with a cover plate (4), the cover plate (4) can be rotatably inserted into the limiting sink groove (151) to seal the storage cavity (15), and the base plate (1) is provided with a limiting piece (5) for detachably locking the other side of the cover plate (4).

6. A waterproof connector for vehicles according to claim 5, characterized in that the cover plate (4) is provided on its outer side with a traction handle (41).

7. The waterproof connector for the vehicle according to claim 5, wherein the limiting piece (5) comprises a pressure spring (51) and a limiting block (52), a positioning block (53) is fixedly arranged on the side surface of the limiting block (52), a storage groove (16) for placing the pressure spring (51) and the limiting block (52) is formed in the substrate (1), and a limiting hole (152) communicated with the storage groove (16) is formed in the inner wall of the limiting sink groove (151);

The pressure spring (51) presses one side of the limiting block (52) to enable the positioning block (53) to be inserted into and penetrate through the protruding limiting hole (152), the cover plate (4) is provided with a positioning groove (42) for the protruding portion of the positioning block (53) to be inserted into, and the positioning rod (24) is provided with a control piece (6) for enabling the positioning protruding block to be separated from the positioning groove (42).

8. The waterproof connector for vehicles according to claim 7, wherein the control member (6) comprises a control rod (61) arranged at the end part of the positioning rod (24), and a control block (62) fixedly arranged on the control rod (61), and a control port (161) communicated with the storage groove (16) is formed on the outer side surface of the base plate (1);

The control block (62) can be sequentially inserted into the control port (161) and the storage groove (16) along with the rotation of the positioning rod (24), and the control block (62) can press the positioning block (53) along the guide inclined plane (521) to enable the positioning block (53) to slide in the direction approaching the pressure spring (51).

9. The waterproof connector for the vehicle according to claim 8, wherein the control rod (61) is hinged to the end part of the positioning rod (24), the control rod (61) can rotate to be coaxial with the positioning rod (24), a yielding gap (17) is formed in the side surface, away from the outer sealing cover (13), of the base plate (1), and the control block (62) can rotate into the yielding gap (17) along with the positioning rod (24) when the positioning rod (24) and the control rod (61) are coaxial.

10. The waterproof connector for vehicles according to claim 9, wherein the substrate (1) is fixedly provided with a fixing bump (18) on the inner wall of the yielding gap (17), and the control block (62) is provided with a fixing groove (621) for the fixing bump (18) to be clamped in.