CN221428139U - Grafting fixed subassembly and vehicle - Google Patents

Abstract

The utility model provides a plug-in fixing assembly and a vehicle, wherein the plug-in fixing assembly comprises a shell and a connector; the surface of the shell is provided with a fixing piece, the fixing piece is provided with a mounting groove, the mounting groove penetrates through the end face and the side face of the fixing piece, the end face is opposite to the surface of the shell, and the shell is used for mounting the electric element; the connector comprises a connector main body, a first connecting part, a second connecting part and a third connecting part, wherein the first connecting part and the second connecting part are connected between the third connecting part and the connector main body, and the first connecting part and the second connecting part are connected in an inclined way; the third connecting portion is embedded in the mounting groove, the first connecting portion is abutted to the end face of the fixing piece, the second connecting portion is abutted to the side face of the fixing piece, and the connector body is used for mounting the wire harness. The utility model effectively prevents the plug connector from moving and shaking, and improves the structural stability and the fixing reliability.

Description

Grafting fixed subassembly and vehicle

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a plug-in fixing assembly and a vehicle.

Background

Along with the continuous perfection of the electrical functions of the vehicle, the intellectualization and humanization of the vehicle are increasingly enhanced, so that the requirements of drivers and passengers are better met, more and more electrical devices of the automobile are provided, and all the electrical devices are required to be connected through a wire harness so as to ensure that the electrical devices can work normally and effectively. Meanwhile, in order to ensure the convenience of installation, inspection and maintenance of various electric devices and wire harnesses, connectors are often adopted between different wire harnesses and between the wire harnesses and the electric devices for connection and fixation.

The prior art generally adopts cantilever or fixing clip structure, fixes the connector on the shell of the electric device, and the fixing structure has poor stability and is easy to shake or even lose efficacy.

Disclosure of utility model

One of the purposes of the present utility model is to provide a plugging fixing assembly, so as to solve the problems of poor stability, easy shaking and even failure of the fixing structure of the connector in the prior art; the second object is to provide a vehicle.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a plug-in fixing assembly comprises a shell and a connector;

The surface of the shell is provided with a fixing piece, the fixing piece is provided with a mounting groove, the mounting groove penetrates through the end face and the side face of the fixing piece, the end face is opposite to the surface of the shell, and the shell is used for mounting an electric element;

The connector comprises a connector main body, a first connecting part, a second connecting part and a third connecting part, wherein the first connecting part and the second connecting part are connected between the third connecting part and the connector main body, and the first connecting part and the second connecting part are connected in an inclined way;

The third connecting portion is embedded in the mounting groove, the first connecting portion is abutted to the end face of the fixing piece, the second connecting portion is abutted to the side face of the fixing piece, and the connector body is used for mounting a wire harness.

According to the technical means, the mounting groove on the fixing piece penetrates through the end face and the side face of the fixing piece, namely, the mounting groove is opened on the end face and the side face of the fixing piece. The connector comprises a connector main body, a first connecting part, a second connecting part and a third connecting part, wherein the first connecting part, the second connecting part and the third connecting part are mutually connected in pairs to form an inserting structure with two openings, the third connecting part is embedded in the mounting groove, the first connecting part is abutted to the end face of the fixing piece, the second connecting part is abutted to the side face of the fixing piece, the connection and fixation of the inserting piece and the fixing piece are realized, the inserting piece is limited in three directions, displacement and shaking of the inserting piece are prevented, and the structural stability is improved. The shell is used for installing the electric element, the connector body is used for installing the wire harness, and the connecting part between the wire harness and the electric element is fixed by adopting the plugging fixing assembly provided by the embodiment of the utility model.

Further, the fixing piece is also provided with a limiting groove, and the limiting groove penetrates through the other adjacent side face of the shell;

The connector further comprises a first limiting piece, the first limiting piece is connected with the connector main body, and the first limiting piece is embedded in the limiting groove.

According to the technical means, the first limiting piece is embedded in the limiting groove, the limiting connector is fixed on the other adjacent side face of the shell, the structural stability of the inserting fixing assembly is improved, and displacement and shaking are prevented.

Further, a second limiting piece is arranged on the surface of the shell;

The connector further comprises a fourth connecting portion, the fourth connecting portion is connected with the connector main body, and the fourth connecting portion abuts against the second limiting piece.

According to the technical means, the fourth connecting part is abutted against the second limiting piece, the fixing limiting effect on the connector is enhanced, and the structural stability of the plug-in fixing assembly is improved.

Further, the number of the mounting grooves is two, one of the mounting grooves penetrates through the end face and the first side face of the shell, the other mounting groove penetrates through the end face and the second side face of the shell, the first side face is opposite to the second side face, and the two mounting grooves are arranged at intervals;

The number of the first connecting parts, the second connecting parts and the third connecting parts is two.

According to the technical means, the two mounting grooves are symmetrically arranged on two sides of the shell at intervals, the number of the first connecting parts, the second connecting parts and the third connecting parts is correspondingly two, and each mounting groove is embedded with one third connecting part so as to form an inserting structure on two sides of the connector respectively, and the inserting structure is connected with the mounting grooves in a matched mode, so that the structural stability of the inserting fixing assembly is improved.

Further, the end face of the fixing piece is provided with a guide piece in an extending mode, and the guide piece is arranged between the two mounting grooves.

According to the technical means, the guide piece is arranged on the end face of the fixing piece in an extending mode, the guide piece separates the two mounting grooves, before the plug-in piece is completely plugged into the fixing piece, the plug-in piece slides on the upper surface of the guide piece, the plug-in structure of the plug-in piece is facilitated to be aligned with the mounting grooves, and the assembly efficiency is improved.

Further, a third limiting piece is arranged on the side face of the fixing piece, and the second connecting portion is abutted to the third limiting piece.

According to the technical means, the third limiting piece protrudes out of the side face of the fixing piece, and limiting effect between the side face of the fixing piece and the second connecting portion is improved.

Further, a fourth limiting piece is arranged on the surface, deviating from the connector body, of the third connecting portion, and the fourth limiting piece abuts against the mounting groove.

According to the technical means, the fourth limiting piece protrudes out of the surface of the third connecting portion, which is away from the connector main body, and limiting effect between the mounting groove and the third connecting portion is improved.

Further, a waterproof rubber plug is arranged at the position, close to the shell, of the connector main body.

According to the technical means, the connector main body is provided with the waterproof rubber plug for waterproof sealing.

Further, the connector is an integral piece, and the fixing piece and the shell are an integral piece.

According to the technical means, the connector is arranged into an integrated structure, the fixing piece is integrally connected to the shell, and the structural strength of the connector and the fixing piece is improved.

A vehicle is provided with the plug-in fixing assembly.

The utility model has the beneficial effects that:

According to the utility model, the third connecting part is embedded in the mounting groove, the first connecting part is abutted against the end face of the fixing piece, the second connecting part is abutted against the side face of the fixing piece, so that the connection and fixation of the plug connector and the fixing piece are realized, the plug connector is limited in three directions, the displacement and the shaking of the plug connector are prevented, and the structural stability is improved. The shell is used for installing the electric element, the connector body is used for installing the wire harness, and the plugging fixing assembly provided by the embodiment of the utility model improves the stability of the connection positions of the wire harnesses and the electric element.

Drawings

FIG. 1 is a schematic diagram of a plug-in fixing assembly according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1;

FIG. 3 is a cross-sectional view taken along the direction B-B in FIG. 1;

FIG. 4 is a schematic view illustrating a connection structure between a fixing member and a housing along a certain direction in an embodiment of the present utility model;

FIG. 5 is a schematic view illustrating a connection structure between a fixing member and a housing along another direction in an embodiment of the present utility model;

FIG. 6 is a schematic view illustrating a connector assembly according to an embodiment of the present utility model along a certain direction;

FIG. 7 is a schematic view of a connector according to another embodiment of the present utility model;

The waterproof plug comprises a 1-shell, 11-fixing pieces, 111-mounting grooves, 1111-first mounting surfaces, 1112-second mounting surfaces, 1113-third mounting surfaces, 1114-fourth mounting surfaces, 1115-end surfaces, 1116-transition surfaces, 112-limiting grooves, 1121-seventh mounting surfaces, 12-second limiting pieces, 121-eighth mounting surfaces, 113-guiding pieces, 1131-guiding surfaces, 114-third limiting pieces, 2-connectors, 21-connector bodies, 211-waterproof plugs, 22-first connecting parts, 23-second connecting parts, 24-third connecting parts, 241-fourth limiting pieces, 25-first limiting pieces, 251-fifth mounting surfaces, 252-sixth mounting surfaces, 26-fourth connecting parts and 261-ninth mounting surfaces.

Detailed Description

Further advantages and effects of the present utility model will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.

It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

The present embodiment provides a plugging and fixing assembly, referring to fig. 1 to 7, including a housing 1 and a connector 2;

The surface of the shell 1 is provided with a fixing piece 11, the fixing piece 11 is provided with a mounting groove 111, the mounting groove 111 penetrates through an end surface 1115 and a side surface of the fixing piece 11, the end surface 1115 is opposite to the surface of the shell 1, and the shell 1 is used for mounting electric elements;

The connector 2 includes a connector body 21, a first connecting portion 22, a second connecting portion 23, and a third connecting portion 24, wherein the first connecting portion 22 and the second connecting portion 23 are connected between the third connecting portion 24 and the connector body 21, and the first connecting portion 22 and the second connecting portion 23 are connected in an inclined manner;

The third connecting portion 24 is embedded in the mounting groove 111, the first connecting portion 22 abuts against an end surface 1115 of the fixing member 11, the second connecting portion 23 abuts against a side surface of the fixing member 11, and the connector body 21 is used for mounting a wire harness.

Specifically, as shown in fig. 1, the plug-in fixing assembly provided by the embodiment of the utility model includes a housing 1 and a connector 2, where the housing 1 is a housing of an electrical component, and is used for mounting and fixing the electrical component, so as to meet different functional requirements of a vehicle. The surface of the housing 1 is provided with a protruding fixing member 11, and the extending direction of the fixing member 11 in this example is along the X direction in fig. 1, and it should be noted that the X direction corresponds to the front-rear direction of the vehicle, the Y direction corresponds to the left-right direction of the vehicle, and the Z direction corresponds to the up-down direction of the vehicle. The connector 2 is inserted and fixed with the fixing member 11 in the X direction.

Specifically, fig. 4 and 5 show a schematic diagram of a connection structure between the fixing member 11 and the housing 1 in the embodiment of the utility model. One end of the fixing member 11 is connected to the surface of the housing 1, and the other end extends in the X positive direction. The mount 11 is provided with a mounting groove 111, and the mounting groove 111 penetrates an end surface 1115 and at least one side surface of the mount 11, and the end surface 1115 of the mounting groove 111 faces the surface of the housing 1. That is, the mounting groove 111 has at least two openings in the vertical direction, and the mounting groove 111 of the present embodiment has four mounting surfaces, namely, a first mounting surface 1111, a second mounting surface 1112, a third mounting surface 1113, and a fourth mounting surface 1114, wherein the first mounting surface 1111, the second mounting surface 1112 are perpendicular to the Z direction, the upper and lower surfaces of the mounting groove 111, the third mounting surface 1113 is perpendicular to the Y direction, the side surfaces of the mounting groove 111, the fourth mounting surface 1114 is perpendicular to the X direction, and the rear surface of the mounting groove 111. The shape of the mounting groove 111 may be provided in a bar shape.

Specifically, fig. 6 and fig. 7 show schematic structural diagrams of the connector 2 according to the embodiment of the utility model. The connector 2 includes a connector body 21, a first connecting portion 22, a second connecting portion 23, and a third connecting portion 24. The connector body 21 is used for mounting and fixing a wire harness. The first connecting portions 22, the second connecting portions 23 and the third connecting portions 24 are perpendicularly connected with each other in pairs, wherein one sides of the first connecting portions 22 and the second connecting portions 23 are perpendicularly connected to the surface of the connector main body 21, the other sides of the first connecting portions 22 and the second connecting portions 23 are connected with the third connecting portions 24, and the third connecting portions 24 are arranged opposite to the surface of the connector main body 21. Namely, the first connecting part 22, the second connecting part 23 and the third connecting part 24 form a plug-in structure with two open sides. Referring to fig. 1 to 3, the connector 2 is inserted in the X direction, so that the third connecting portion 24 is inserted in the mounting groove 111, the end surface 1115 of the fixing member 11 abuts against the inner surface of the first connecting portion 22, and the side surface of the fixing member 11 abuts against the inner surface of the second connecting portion 23, so that the connector 2 and the fixing member 11 are connected and fixed. The third connecting portion 24 is limited and fixed by the mounting groove 111, so as to limit the displacement shake of the connector 2 along the Z direction, the end surface 1115 of the fixing member 11 is in abutting fit with the inner surface of the first connecting portion 22, the displacement shake of the connector 2 along the negative X direction is limited, and the side surface of the fixing member 11 is in abutting fit with the inner surface of the second connecting portion 23, so as to limit the displacement shake of the connector 2 along the Y direction. The limit fixing of the connector 2 in three vertical directions is realized. The thickness dimension of the third connecting portion 24 is equal to the distance between the first mounting surface 1111 and the second mounting surface 1112, so as to ensure stable plugging and no shaking, or the thickness dimension of the third connecting portion 24 is slightly smaller than the distance between the first mounting surface 1111 and the second mounting surface 1112, so as to facilitate plugging and matching.

In this embodiment, the third connection portion 24 of the connector 2 is embedded in the mounting groove 111 through the plug-in fit between the connector 2 and the fixing member 11, the first connection portion 22 abuts against the end surface 1115 of the fixing member 11, and the second connection portion 23 abuts against the side surface of the fixing member 11, so as to realize the limit fixation of the connector 2 in three vertical directions. The structural stability of the plugging and fixing assembly is improved, and the problem that the plugging connector 2 shakes or even fails is avoided.

Further, referring to fig. 4 and 6, the fixing member 11 is further provided with a limiting slot 112, and the limiting slot 112 penetrates through another adjacent side surface of the housing 1;

The connector 2 further comprises a first limiting member 25, the first limiting member 25 is connected with the connector main body 21, and the first limiting member 25 is embedded in the limiting groove 112.

Specifically, as shown in fig. 4, the fixing member 11 is further provided with a limiting groove 112, and the limiting groove 112 penetrates through the other adjacent side surface of the housing 1, that is, the opening direction of the limiting groove 112 faces the positive Z direction. The shape of the limiting groove 112 may be a bar, which is not limited in this embodiment. As shown in fig. 6, the surface of the connector main body 21 is further provided with a first limiting member 25, where the first limiting member 25 is a limiting rib and is in a convex shape. When the third connecting portion 24 of the connector 2 is embedded in the mounting groove 111, the first limiting member 25 is embedded in the limiting groove 112, so as to limit the displacement and shake of the connector 2 along the positive X direction. The fifth mounting surface 251 of the first stopper 25 is in contact with the seventh mounting surface 1121 of the stopper groove 112. The fifth mounting surface 251 of the first stopper 25 is perpendicular to the surface of the connector body 21, and the sixth mounting surface 252 is inclined to the surface of the connector body 21.

Further, referring to fig. 4 to 6, the surface of the housing 1 is further provided with a second limiting member 12;

The connector 2 further includes a fourth connecting portion 26, the fourth connecting portion 26 is connected to the connector body 21, and the fourth connecting portion 26 abuts against the second limiting member 12.

Specifically, as shown in fig. 4 and 5, the surface of the housing 1 is further provided with a second stopper 12, and the second stopper 12 is provided with an eighth mounting surface 121. As shown in fig. 6, the fourth connecting portion 26 is connected to the connector main body 21. When the third connecting portion 24 of the connector 2 is embedded in the mounting groove 111, the eighth mounting surface 121 of the second limiting member 12 abuts against the ninth mounting surface 261 of the fourth connecting portion 26, so as to limit displacement and shaking of the connector 2 along the negative X direction, and improve structural stability of the plug fixing assembly.

Further, referring to fig. 4 to 6, the number of the mounting grooves 111 is two, one of the mounting grooves 111 penetrates through the end surface 1115 and the first side surface of the housing 1, the other mounting groove 111 penetrates through the end surface 1115 and the second side surface of the housing 1, the first side surface is opposite to the second side surface, and the two mounting grooves 111 are spaced apart;

The number of the first connecting portions 22, the second connecting portions 23, and the third connecting portions 24 is two.

Specifically, as shown in fig. 4 to 6, the number of the mounting grooves 111 is two, one of the mounting grooves 111 penetrates the partial end surface 1115 and the first side surface of the housing 1, the other mounting groove 111 penetrates the partial end surface 1115 and the second side surface of the housing 1, the first side surface is opposite to the second side surface, and the two mounting grooves 111 are provided at a distance. The number of the first connecting portions 22, the second connecting portions 23 and the third connecting portions 24 is two, wherein one first connecting portion 22, one second connecting portion 23 and one third connecting portion 24 form an inserting structure, each side of the connector main body 21 is provided with an inserting structure, and each mounting groove 111 is embedded with one third connecting portion 24. The structure that bilateral symmetry set up does benefit to the structural stability who promotes grafting fixed subassembly.

Further, referring to fig. 4 and 5, the end surface 1115 of the fixing member 11 is provided with a guide member 113 in an extending manner, and the guide member 113 is provided between the two mounting grooves 111.

Specifically, as shown in fig. 4 and 5, the end surface 1115 of the fixture 11 is provided with a guide 113 extending in the positive X direction, and the guide 113 separates the two mounting grooves 111. The guide 113 is provided with a guide surface 1131. Before the third connecting portion 24 of the connector 2 is inserted into the mounting groove 111, the connector 2 can slide on the guiding surface 1131 of the guiding member 113, so as to help align the third connecting portion 24 with the mounting groove 111, and improve assembly efficiency. The guide surface 1131 is provided as a slope, i.e., inclined to the surface of the fixing member 11.

Further, referring to fig. 4 to 6, a third stopper 114 is provided on a side surface of the fixing member 11, and the second connecting portion 23 abuts against the third stopper 114.

Specifically, as shown in fig. 4 to 6, a third limiting member 114 is disposed on a side surface of the fixing member 11, the third limiting member 114 is a limiting rib, and is in a convex shape, and when the third connecting portion 24 of the connector 2 is inserted into the mounting groove 111, the third limiting member 114 abuts against an inner surface of the second connecting portion 23, so as to limit displacement and shake of the connector 2 along the Y direction. The end surface 1115 of the securing element 11 is connected to the first mounting surface 1111 by a transition surface 1116 due to the provision of the protruding third limiting member 114.

Further, referring to fig. 6 and 7, a fourth stopper 241 is disposed on a surface of the third connecting portion 24 facing away from the connector body 21, and the fourth stopper 241 abuts against the mounting groove 111.

Specifically, as shown in fig. 6 and 7, the surface of the third connecting portion 24 facing away from the connector body 21, that is, the outer surface, is provided with a fourth stopper 241, and the fourth stopper 241 is a stopper rib and is convex, so that the fourth stopper 241 abuts against the second mounting surface 1112 in the mounting groove 111, and limits displacement and shake of the connector 2 in the Z direction.

As shown in fig. 4-7, in some embodiments, the following steps are employed to assemble the patch fixture assembly:

Step one, the opening of the plugging structure on the connector 2 faces the third limiting piece 114 on the side surface of the fixing piece 11, so that the surface of the connector 2 provided with the plugging structure is attached to the guiding surface 1131 on the guiding piece 113.

Step two, pushing the connector 2 to move towards the negative X direction until the third limiting member 114 on the side surface of the fixing member 11 enters the insertion structure of the connector 2, and at this time, the fourth limiting member 241 abuts against the mounting groove 111.

Step three, further pushing the connector 2 to move towards the negative X direction, and enabling the first limiting member 25 on the connector 2 to reach the guiding surface 1131 until the first limiting member 25 enters the limiting groove 112 from the upper surface of the housing 1 and is embedded in the limiting groove 112. At this time, the third connecting portion 24 is completely fitted into the mounting groove 111, and the ninth mounting surface 261 of the fourth connecting portion 26 abuts against the eighth mounting surface 121 of the second stopper 12. The connector 2 is well fixed in all three vertical directions.

Further, referring to fig. 6, the connector body 21 is provided with a waterproof rubber plug 211 near the housing 1.

Specifically, as shown in fig. 6, the side of the connector 21 facing the housing 1 is provided with a waterproof rubber stopper 211 for waterproof sealing. The connector body 21 is also provided with a sheath, which cooperates with a terminal on the wire harness for fixedly mounting the wire harness, avoiding displacement shake of the wire harness.

Further, the connector 2 is a single piece, and the fixing member 11 is a single piece with the housing 1.

Specifically, the connector 2 provided in this embodiment is an integral part, the fixing part 11 and the housing 1 are an integral part, the integral structural design saves the space of the fixing card special for the connector, and compared with the existing connector fixing structure, the connector is more firm and reliable, the mounting and dismounting steps are simple and convenient, and the connector is not easy to damage or even lose efficacy.

The embodiment also provides a vehicle, which comprises the plug-in fixing assembly according to any one of the embodiments.

The plug-in fixing assembly provided by the utility model is applied to a vehicle, so that displacement and shaking of plug-in connectors in the running process of the vehicle are prevented, and the stability of the connection positions of the wire harnesses and the electric elements is improved.

The above embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model.

Claims (10)

1. The plug-in fixing assembly is characterized by comprising a shell (1) and a connector (2);

The surface of the shell (1) is provided with a fixing piece (11), the fixing piece (11) is provided with a mounting groove (111), the mounting groove (111) penetrates through the end face (1115) and the side face of the fixing piece (11), the end face (1115) is opposite to the surface of the shell (1), and the shell (1) is used for mounting an electric element;

The connector (2) comprises a connector main body (21), a first connecting part (22), a second connecting part (23) and a third connecting part (24), wherein the first connecting part (22) and the second connecting part (23) are connected between the third connecting part (24) and the connector main body (21), and the first connecting part (22) and the second connecting part (23) are connected in an inclined mode;

The third connecting portion (24) is embedded in the mounting groove (111), the first connecting portion (22) is abutted to the end face (1115) of the fixing piece (11), the second connecting portion (23) is abutted to the side face of the fixing piece (11), and the connector main body (21) is used for mounting a wire harness.

2. The plugging and fixing assembly according to claim 1, wherein the fixing member (11) is further provided with a limiting groove (112), and the limiting groove (112) penetrates through the other adjacent side surface of the housing (1);

The connector (2) further comprises a first limiting piece (25), the first limiting piece (25) is connected with the connector main body (21), and the first limiting piece (25) is embedded in the limiting groove (112).

3. The plug-in fixing assembly according to claim 1, characterized in that the surface of the housing (1) is further provided with a second limiting element (12);

The connector (2) further comprises a fourth connecting portion (26), the fourth connecting portion (26) is connected with the connector main body (21), and the fourth connecting portion (26) abuts against the second limiting piece (12).

4. The plug-in fixing assembly according to claim 1, wherein the number of the mounting grooves (111) is two, one of the mounting grooves (111) penetrates through an end face (1115) and a first side face of the housing (1), the other mounting groove (111) penetrates through an end face (1115) and a second side face of the housing (1), the first side face is opposite to the second side face, and the two mounting grooves (111) are arranged at intervals;

The number of the first connecting parts (22), the second connecting parts (23) and the third connecting parts (24) is two.

5. The plug and play securing assembly as claimed in claim 4, wherein: the end face (1115) of the fixing piece (11) is provided with a guide piece (113) in an extending mode, and the guide piece (113) is arranged between the two mounting grooves (111).

6. The plugging and fixing assembly according to claim 1, wherein a third limiting member (114) is provided on a side surface of the fixing member (11), and the second connecting portion (23) abuts against the third limiting member (114).

7. The plug-in fixing assembly according to claim 1, characterized in that a fourth limiting piece (241) is arranged on the surface of the third connecting portion (24) facing away from the connector main body (21), and the fourth limiting piece (241) is abutted in the mounting groove (111).

8. Plug-in fixing assembly according to claim 1, characterized in that the connector body (21) is provided with a waterproof plug (211) close to the housing (1).

9. Plug-in fastening assembly according to any one of claims 1 to 8, characterized in that the connector (2) is in one piece, the fastening element (11) being in one piece with the housing (1).

10. A vehicle, characterized in that: the vehicle is provided with a plug-in fixing assembly according to any one of claims 1-9.