WO2024061315A1

WO2024061315A1 - Vehicle-mounted data connector assembly

Info

Publication number: WO2024061315A1
Application number: PCT/CN2023/120384
Authority: WO
Inventors: 王超
Original assignee: 长春捷翼汽车科技股份有限公司
Priority date: 2022-09-22
Filing date: 2023-09-21
Publication date: 2024-03-28
Also published as: CN115693245A

Abstract

The present application discloses a vehicle-mounted data connector assembly. According to the present application, an elastic clip and a TPA member are assembled together for use; when being installed, a terminal assembly is positioned by means of the partially inserted TPA member, and after being installed, the terminal assembly is fixed by means of the elastic clip and the completely inserted TPA member. By using the combined structure of the elastic clip and the TPA member provided by the present application, on the one hand, the assembling efficiency and the installation precision of the connector are improved; on the other hand, the connection reliability is greatly improved.

Description

A kind of vehicle data connector component

Related applications

This application claims priority from the Chinese patent application with application number 202211157675.8 submitted on September 22, 2022, and cites the disclosure content of the above patent application as part of this application.

Technical Field

The present application relates to the technical field of connector components, and in particular, to a vehicle-mounted data connector component.

Background technique

Electrical connectors can be used in products such as transportation, communications, home appliances, and medical care. The rapid development of product technology in its supporting fields and the rapid growth of the market have strongly promoted the development of connector technology. So far, electrical connectors have developed into serialized and specialized products with complete product categories, various specifications and models, diverse structures, and standard system specifications. Among them, the FAKRA connector is a standard connector in the automotive electronics industry well-known to those skilled in the field. In order to meet the versatility requirements of applications, the plug-in interface of the FAKRA connector is standardized.

At present, the existing FAKRA connector generally adopts elastic structures such as metal springs and plastic lock tongues to fix the terminal components inside. In order to improve the reliability of the connection, some connectors will press the terminal by inserting TPA (Terminal Position Assurance) on the rubber seat to solve the problem that the terminal is easy to loosen and retreat. However, the existing FAKRA connector is often not designed to combine the two fixing methods. Moreover, the existing TPA parts do not have a pre-installed position when fixing the terminal components, that is, they will not perform preliminary positioning of the installed terminal components, resulting in slow assembly efficiency and low installation accuracy, and even damage to the TPA parts due to improper operation when the TPA parts are inserted.

Contents of the invention

In view of this, the purpose of the present application is to provide a vehicle-mounted data connector assembly to solve the problems of slow assembly efficiency, low installation accuracy and damage to TPA parts caused by the lack of a pre-installation position in the existing vehicle-mounted data connector assembly.

In order to achieve the above objectives, the technical solutions adopted in this application are:

An in-vehicle data connector assembly including:

A sheath with a receiving cavity inside the sheath, and a window for inserting the TPA piece;

The terminal assembly is installed in the receiving cavity of the sheath, with a connecting piece set on the outside, and the outer wall of the connecting piece has at least A first clamping slot and a second clamping slot matching the TPA piece, and the inner wall of the sheath is provided with an elastic clamping piece matching the first clamping slot;

A multi-stage snap-on assembly that cooperates with each other is arranged between the sleeve and the TPA component along the insertion direction of the TPA component. When the TPA component is partially inserted into the sleeve, the TPA component positions the installed terminal assembly; when the terminal assembly is installed, the terminal assembly is fixed by the elastic snap-on assembly and the fully inserted TPA component.

In an optional embodiment, the TPA component includes an overlapping portion that matches the window opening and a U-shaped connecting portion. The closed side of the connecting portion is connected to the overlapping portion, and both sides of the connecting portion are connected to the sheath. There are multi-level buckle components that cooperate with each other. When the TPA piece is completely inserted into the sheath, the overlapping part is set on the top of the window.

In an optional embodiment, the multi-stage buckle component includes a first buckle component and a second buckle component that are sequentially arranged along the insertion direction of the TPA piece, wherein the first buckle component includes a The clamping beam and the conversion hole, as well as at least two protrusions continuously provided on the side wall of the connecting part, a conversion groove is formed between adjacent protrusions, and the conversion groove matches the shape of the clamping beam. After the lowermost protruding part enters the conversion hole, the conversion groove is engaged with the clamping beam to realize the pre-assembly of the TPA part; the second clamping components are respectively provided on the sheath and the side wall of the connecting part. The protrusion and groove structure, when all the protrusions enter the conversion hole together, the protrusion and groove structure of the second buckle component are matched and connected, and the TPA piece realizes the fixation of the terminal assembly.

In an optional embodiment, the side of the clamping beam that matches the protruding portion is provided with a guide slope for guiding the protruding portion to snap in.

In an optional embodiment, the protrusion located at the bottom is in the shape of a barb.

In an optional embodiment, the raised portion located above has at least a first surface arranged obliquely downward and a second surface arranged obliquely upward, and the first surface is directly connected to the second surface or is connected via a connecting surface.

In an optional embodiment, the first surface and the second surface are one or more of inclined surfaces or arc surfaces.

In an optional embodiment, the cross section of the upper protruding portion is triangular or trapezoidal.

In an optional embodiment, the connection part is composed of two symmetrically arranged claws. The inner wall of each claw has a continuously arranged guide area, a positioning area and a fixing area. When the lowermost protrusion is After entering the conversion hole, the positioning area is clamped on the outside of the terminal assembly; when all the protrusions enter the conversion hole together, the fixing area is pressed on the outside of the terminal assembly.

In an optional embodiment, the guide area, the positioning area and the fixing area are all arc-shaped, and the curvatures of the three areas increase in sequence.

In an optional embodiment, there are multiple protrusions, and correspondingly, the positioning area is provided with multiple segments, and the multiple positioning areas are all arc-shaped and the curvature increases sequentially.

In an optional embodiment, the number of segments of the positioning area is no more than the number of protrusions, and the multiple positioning areas are the same as the number of protrusions. The protrusions are arranged correspondingly.

In an optional embodiment, the number of segments of the positioning region is the same as the number of protrusions, and the multiple positioning regions and the plurality of protrusions are arranged in one-to-one correspondence.

In an optional embodiment, the area where the window opening matches the TPA piece transitions toward the outside in a tapered shape.

In an optional embodiment, the elastic clamping member is a spring piece with one end connected to the inner wall of the sheath, and the free end of the spring piece snaps into the first slot after the terminal assembly is installed.

In an optional embodiment, the outer wall of the connecting piece is also provided with a positioning ring, the inner wall of the sheath is provided with a positioning step that matches the positioning ring, and the front side of the positioning step is also provided with at least one transition ramp. .

In an optional embodiment, the positioning ring, the first clamping groove and the second clamping groove are arranged in sequence along the installation direction of the terminal assembly.

In an optional embodiment, a hook hole is provided on the end surface of the elastic piece.

Compared with the existing technology, the beneficial effects of this application are: this application combines elastic clamping parts and TPA parts for use. When the terminal assembly is installed, it is positioned by the partially inserted TPA part and installed. After completion, the terminal assembly is fixed through the elastic clamping part and the fully inserted TPA part; using the combined structure of the elastic clamping part and the TPA part provided by this application, on the one hand, the assembly efficiency and installation accuracy of the connector are improved. On the other hand, the connection reliability has also been greatly improved, achieving stable signal transmission.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.

Figure 1 is a schematic structural diagram of the vehicle data connector assembly provided by this application;

Figure 2 is a cross-sectional view of the vehicle data connector assembly shown in Figure 1;

Figure 3 is a schematic structural diagram of the vehicle data connector assembly after removing the TPA piece;

Figure 4 is a schematic structural diagram of the TPA component in the vehicle data connector assembly shown in Figure 1;

Figure 5 is a front view of the TPA component shown in Figure 4;

Figure 6 is a schematic diagram of the cooperation between the TPA part and the sheath when the TPA part is partially inserted into the sheath in Scheme 1;

Figure 7 is a schematic diagram of the cooperation between the TPA part and the sheath when the TPA part is fully inserted into the sheath in Scheme 1;

Figure 8 is a schematic diagram of the cooperation between the TPA part and the sheath when the TPA part is fully inserted into the sheath in Scheme 2;

Figure 9 is a schematic diagram of the cooperation between the third protrusion and the third slot in the second buckle component in Solution 1;

Figure 10 is a partial enlarged schematic diagram of C in Figure 5;

Figure 11 is a schematic diagram of the distribution of the positioning area when the positioning area is provided with two sections.

The following are marked in the figure:

10. Sheath; 101. Accommodation cavity; 102. Window opening; 103. Positioning ladder;

104. Transition ramp; 105. Tapered transition area;

20. Terminal components;

30. Connector; 301. First slot; 302. Second slot; 303. Positioning ring;

40. Multi-level buckle components;

41. First buckle component; 411. Conversion hole; 412. Projection; 413. Conversion groove; 414. Snap beam;

4141. Guide slope; 4121. First protruding portion; 4122. Second protruding portion; 4123. First surface;

4124. Second surface; 4125. Connection surface;

42. The second buckle component; 421. The third protruding portion; 422. The third card slot;

50. TPA parts; 501. Overlapping part; 502. Connection part; 5021. Claw;

5022. Guidance area; 5023. Positioning area; 5024. Fixed area;

60. Elastic clamping piece; 601. Hook hole;

70. Shielding parts.

Detailed ways

Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components and steps, numerical expressions, and numerical values set forth in these examples do not limit the scope of the present application unless otherwise specifically stated.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application or its application or uses.

Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered a part of the specification.

In all examples shown and discussed herein, any specific values are to be construed as illustrative only and not as limiting. Accordingly, other examples of the exemplary embodiments may have different values.

Option One

A vehicle-mounted data connector component, as shown in Figures 1-3, includes:

The sheath 10 has a receiving cavity 101 inside, and the sheath 10 is provided with a window 102 for inserting the TPA piece 50; the sheath 10 is a plastic shell, which is integrally formed by injection molding. A protective shell for holding other parts; the terminal assembly 20 is installed in the accommodation cavity 101 of the sheath 10, and a connector 30 is set on the outside. In order to shield electromagnetic and ensure efficient signal transmission, the terminal assembly 20 can also be connected with the connector 30. A shielding member 70 is provided between the components 30; the outer wall of the connecting member 30 has at least a first slot 301 and a second slot 302 matching the TPA component 50, and the inner wall of the sheath 10 is provided with The elastic clamping member 60 matches the first clamping slot 301;

As shown in Figure 6, a mutually matching multi-level buckle assembly 40 is provided between the sheath 10 and the TPA piece 50 along the insertion direction of the TPA piece 50. When the TPA piece 50 is partially inserted into the sheath 10, the TPA pieces 50 are assembled. Position the inserted terminal assembly 20; when the terminal assembly 20 is installed, the terminal assembly 20 is fixed by the elastic clamping member 60 and the fully inserted TPA member 50, and the fully inserted TPA member 50 is clamped on the second card Slot 302.

At present, when existing FAKRA connectors fix their internal terminal components, they generally use elastic structures such as metal shrapnel and plastic lock tongues. In order to improve the reliability of the connection, some connectors are fixed on the rubber base. Insert TPA (terminal stopper) to press the terminals to solve the problem that the terminals are easy to loosen and retreat. However, when designing existing FAKRA connectors, the two fixing methods are often not used in combination, and , the existing TPA parts do not have a pre-assembly position when fixing the terminal assembly, that is, there is no preliminary positioning of the installed terminal assembly, resulting in slow assembly efficiency and low installation accuracy.

In this application, the elastic clamping part 60 and the TPA part 50 are used together. When the terminal assembly 20 is installed, it is positioned by the partially inserted TPA part 50. After the installation is completed, the elastic clamping part 60 and the TPA part 50 are positioned. The fully inserted TPA part 50 jointly fixes the terminal assembly 20; using the combined structure of the elastic clamping part 60 and the TPA part 50 provided by this application, on the one hand, the assembly efficiency and installation accuracy of the connector are improved, on the other hand , connection reliability has also been greatly improved.

In one embodiment, as shown in Figure 4, the TPA component 50 includes an overlapping portion 501 that matches the window 102 and a U-shaped connecting portion 502. The closed side of the connecting portion 502 is connected to the overlapping portion 501, and The two are arranged vertically, and there are mutually matched multi-level snap components 40 between both sides of the connecting part 502 and the sheath 10. When the TPA part 50 is completely inserted into the sheath 10, the overlapping part 501 is set up on the window opening. On the top of 102, the schematic diagram of the state where the overlapping portion 501 is set up on the window 102 can be seen in Figure 1.

The setting of the overlapping portion 501 facilitates the user to observe the level of the TPA piece 50 when inserting the TPA piece 50 and after the insertion is completed, and prevents the TPA piece 50 from tilting, thereby affecting the positioning and fixing effect. Moreover, since the TPA piece 50 50 is generally made of elastic material such as plastic. If it is forcibly inserted at a large inclination, it may even cause irreversible damage to the TPA part 50 .

In order to achieve the best use effect, the overlapping portion 501 can be set into a specific shape such as cross, T-shape, circle, etc.

In one embodiment, as shown in FIGS. 6 and 3 , the multi-level buckle assembly 40 includes a first buckle assembly 41 and a second buckle assembly 42 that are sequentially arranged along the insertion direction of the TPA piece 50 , wherein the first The snap assembly 41 includes a snap beam 414 and a conversion hole 411 provided on the sheath 10 , and at least two protrusions 412 continuously provided on the side walls of the connecting portion 502 , and a conversion is formed between adjacent protrusions 412 Slot 413, the shape of the conversion slot 413 matches the clamping beam 414. When the lowermost protruding portion 412 enters the conversion hole 411, the conversion slot 413 is clamped with the clamping beam 414 to realize the pre-assembly of the TPA part 50; The second buckle component 42 is a protrusion and groove structure respectively provided on the side walls of the sheath 10 and the connecting part 502. When all the protrusions 412 enter the conversion hole 411 together, the protrusions of the second buckle component 42 Cooperating with the groove structure, the TPA member 50 realizes the fixation of the terminal assembly 20 .

In one embodiment, as shown in FIG. 10 , the lowermost protruding portion 412 is in the shape of a barb, which can effectively prevent the connecting portion 502 from falling off after being inserted into the sheath 10 ; the upper protruding portion 412 at least has an inclination direction. The first surface 4123 is provided below and the second surface 4124 is provided obliquely upward. The first surface 4123 and the second surface 4124 are directly connected or connected through the connecting surface 4125. The second surface 4124 is arranged to facilitate the insertion of the connecting part 502. , the setting of the first surface 4123 facilitates the connection part 502 to retreat backward to switch between the plurality of protruding parts 412 located above as needed, facilitates the insertion of the terminal assembly 20, prevents interference, and ensures the terminal assembly 20 For installation accuracy, the connecting surface 4125 serves to connect the two and matches the inner wall of the sheath 10. Furthermore, the first surface 4123 and the second surface 4124 are one or more of inclined surfaces or arcuate surfaces. In order to achieve the best use effect, the cross section of the upper protruding portion 412 can be set to be triangular or triangular. trapezoid.

As shown in Figures 6 and 7, this embodiment uses the example of providing two protrusions 412 on the side walls of the connecting portion 502 to illustrate the technical solution of the present application:

In this embodiment, the two protruding parts 412 are respectively the first protruding part 4121 and the second protruding part 4122, and a conversion groove 413 is formed between them. The conversion groove 413 matches the shape of the clamping beam 414. It should be noted here that in order to facilitate the first protruding part 4121 and the second protruding part 4122 to slide into the conversion hole 411 along the clamping beam 414, the shape of the clamping beam 414 can be adjusted, for example, it can be combined with the third protruding part 4121. The top of the matching side of the first protruding part 4121 and the second protruding part 4122 is set as a slope with a certain inclination. For details, please refer to the guide slope 4141 in Figure 7; when the first protruding part 4121 slides over the clamping beam 414 After entering the conversion hole 411, it and the second protrusion 4122 lock the clamping beam 414 in the conversion groove 413 on its inside, and the TPA component 50 enters the pre-assembly position; when the first protrusion 4121 and the second protrusion After the two parts 4122 slide together through the clamping beam 414 and enter the conversion hole 411, at this time, the protrusion and groove structure of the second buckle component 42 just realize the matching connection, and the TPA component 50 enters the fixed position, thereby realizing the connection of the terminal assembly 20 To fix. When the TPA piece 50 is partially inserted into the sheath 10, please refer to Figure 6 for a schematic diagram of the cooperation between the TPA piece 50 and the sheath 10; when the TPA piece 50 is fully inserted into the sheath 10, please refer to Figure 7 for a schematic diagram of the cooperation between the TPA piece 50 and the sheath 10.

In one embodiment, as shown in Figures 4 and 5, the connecting portion 502 is composed of two symmetrically arranged claws 5021. The inner wall of each claw 5021 has a continuously arranged guide area 5022, a positioning area 5023 and a fixed area. Area 5024, when the lowermost protruding portion 412 enters the conversion hole 411, the positioning area 5023 is stuck on the outside of the terminal assembly 20; when all the protruding portions 412 enter the conversion hole 411 together, the fixing area 5024 is pressed on the terminal outside of assembly 20.

The guide area 5022 is used to guide the TPA component 50 to be inserted into the sheath 10, and the positioning area 5023 is used to position the installed terminal assembly 20 after the TPA component 50 is partially inserted into the sheath 10; 50 is fully inserted into the sheath 10, and the terminal assembly 20 is fixed through the fixing area 5024.

In this embodiment, in order to improve the smoothness when inserting the TPA piece 50, the guide area 5022, the positioning area 5023 and the fixing area 5024 are set as continuously distributed arc shapes; in order to improve the positioning and fixing effects, the curvatures of the three can be set in order increase.

Since the outer diameter of the terminal assembly 20 constantly changes along the axial direction, in order to ensure the installation accuracy and prevent interference between the positioning area 5023 and the terminal assembly 20, multiple protrusions 412 can be provided and aligned with the upper ones. Switching between the plurality of protrusions 412 facilitates the insertion of the terminal assembly 20 and prevents interference.

If multiple protrusions 412 are provided and only one section of the positioning area 5023 is provided, the gap between the positioning area 5023 and the top of the terminal assembly 20 will be large, and the installation accuracy cannot be effectively guaranteed. Therefore, in order to achieve better positioning effect and For installation accuracy, a multi-segment positioning area 5023 is also provided. The multi-segment positioning area 5023 is arc-shaped and the curvature increases sequentially. During implementation, the number of segments of the positioning area 5023 is no more than the number of the protrusions 412, and the multi-segment positioning area 5023 Multiple protrusions 412 are provided correspondingly. For example, two or one protrusion 412 can be set to correspond to a section of the positioning area 5023. This can be achieved by switching different protrusions 412 into the conversion hole 411. The purpose of adjusting the gap between the positioning area 5023 and the top of the terminal assembly 20 is that even when the terminal assembly 20 partially interferes with the connecting portion 502, the adjustment can be made quickly until all the protrusions are removed after the installation of the terminal assembly 20 is completed. The two parts 412 enter the conversion hole 411 together, and the protrusions and groove structures of the second buckle component 42 are matched and connected. The TPA component 50 realizes the fixation of the terminal assembly 20. Figure 11 is a schematic diagram of the distribution of the positioning areas when two sections of positioning areas 5023 are provided. . Here, in order to achieve the best use effect, the number of segments of the positioning region 5023 is the same as the number of the protrusions 412 , and the multiple positioning regions 5023 and the plurality of protrusions 412 are provided in one-to-one correspondence.

In this embodiment, as shown in FIG. 7 , the second buckle component 42 is a third protrusion 421 and a third slot 422 respectively provided on the side walls of the sheath 10 and the connecting part 502. When the first protrusion After the portion 4121 and the second protruding portion 4122 slide together through the clamping beam 414 and enter the conversion hole 411, at this time, the third slot 422 just slides into the third protruding portion 421 along the inner wall of the sheath 10 to achieve a mating connection.

In order to make the third slot 422 slide smoothly into the third protrusion 421, the cross-section of the third protrusion 421 can be set to an angle, and the angles between its two oblique sides and the vertical direction are A and B respectively, and A and B are both greater than 100° and less than 140°. In this embodiment, A is set to 105° and B is set to 135°. Please refer to Figure 9 for details.

In one embodiment, the area where the window opening 102 matches the TPA component 50 has a tapered transition to the outside. The tapered transition area is shown as 105 in Figure 3 . The tapered transition area 105 is designed to facilitate the transfer of the TPA component. 50 removed.

In this embodiment, as shown in FIGS. 2 and 3 , the elastic clamping member 60 is an elastic piece with one end connected to the inner wall of the sheath 10 . The free end of the elastic piece is inserted into the first slot 301 after the terminal assembly 20 is installed. In order to To facilitate the unlocking of the elastic clamping member 60 , a hook hole 601 can also be provided on the elastic clamping member 60 .

The method for disassembling the TPA component and the connector assembly provided in the present application is as follows: Use a thin-sheet tool to reach into the tapered transition area. 105. Use the lever principle to pry up the TPA component 50. At this time, the TPA component 50 returns from the fixed position to the pre-installed position. Then use a tool to hook the hook hole to hook up the elastic clip 60, and then pull the terminal assembly 20 backward to separate the terminal assembly 20 from the sleeve 10, and finally remove the TPA component 50.

In one embodiment, as shown in FIG. 2 , a positioning ring 303 is further provided on the outer wall of the connector 30, and the inner wall of the sleeve 10 has a positioning step 103 matching the positioning ring 303. At least one transition ramp 104 is also provided on the front side of the positioning step 103. During the process of the terminal assembly 20 being installed into the sleeve 10, the transition ramp 104 is used to guide it to slide in, and after being guided by multiple transition ramps 104, it finally slides into the positioning step 103 for positioning.

Furthermore, in order to avoid interference between the positioning ring 303 and the elastic clamping member 60 and the TPA member 50 when the terminal assembly 20 is installed, this application separates the positioning ring 303, the first clamping groove 301 and the second clamping groove 302. They are arranged sequentially along the installation direction of the terminal assembly 20 .

Option II

The difference between this solution and the first solution is that: as shown in Figure 8, the second buckle component 42 in this solution is a third slot 422 and a third protrusion respectively provided on the side walls of the sheath 10 and the connecting part 502. part 421. When the first protruding part 4121 and the second protruding part 4122 slide together through the clamping beam 414 and enter the conversion hole 411, at this time, the third protruding part 421 just slides into the third protruding part 421 along the inner wall of the sheath 10. The three slots 422 realize matching connection; in order to facilitate the disassembly of the TPA component 50, the third slot 422 can be further set into a through hole shape. When disassembling, use a tool to press the third protruding portion 421 at the through hole. It returns from the fixed position to the pre-installed position.

Although some specific embodiments of the present application have been described in detail through examples, those skilled in the art should understand that the above examples are for illustration only and are not intended to limit the scope of the present application. Those skilled in the art will understand that the above embodiments can be modified without departing from the scope and spirit of the application. The scope of the application is defined by the appended claims.

Claims

A vehicle-mounted data connector assembly, characterized by including:

A sheath having a receiving cavity therein and a window for inserting the TPA piece;

The terminal assembly is installed in the accommodation cavity of the sheath. A connector is set on the outside of the connector. The outer wall of the connector has at least a first slot and a second slot matching the TPA component. The inner wall of the sheath is provided with an elastic clamping piece matching the first slot;

The sheath and the TPA piece are provided with mutually matching multi-level buckle assemblies along the insertion direction of the TPA piece. When the TPA piece is partially inserted into the sheath, the TPA piece positions the installed terminal assembly; when the terminal assembly is installed After the insertion is completed, the terminal assembly is fixed through the elastic clamping piece and the fully inserted TPA piece.
A vehicle-mounted data connector assembly according to claim 1, characterized in that: the TPA component includes an overlapping portion that matches the window opening and a U-shaped connecting portion, and the closed side of the connecting portion is connected to the overlapping portion. part, and there are mutually matched multi-level buckle components between both sides of the connecting part and the sheath. When the TPA part is completely inserted into the sheath, the overlapping part is set on the top of the window.
A vehicle-mounted data connector assembly according to claim 2, characterized in that: the multi-level buckle assembly includes a first buckle assembly and a second buckle assembly sequentially arranged along the insertion direction of the TPA piece, wherein, The first snap component includes a snap beam and a conversion hole provided on the sheath, and at least two protruding parts continuously provided on the side wall of the connecting part, and a conversion groove is formed between adjacent protruding parts. The shape of the slot matches the clamping beam. When the lowermost protrusion enters the conversion hole, the conversion slot and the clamping beam are clamped to realize the pre-assembly of the TPA part; the second buckle components are respectively The protrusion and groove structure provided on the side wall of the sheath and the connecting part. When all the protrusions enter the conversion hole together, the protrusion and groove structure of the second buckle component are matched and connected, and the TPA component realizes the alignment. Terminal assembly fixation.
A vehicle-mounted data connector assembly according to claim 3, characterized in that: the side of the clamping beam that matches the protruding portion is provided with a guide slope for guiding the protruding portion to snap in.
A vehicle-mounted data connector assembly according to claim 3, characterized in that: the protruding portion located at the bottom is in the shape of a barb.
A vehicle-mounted data connector assembly according to claim 3, characterized in that: the raised portion located above at least has a first surface inclined downward and a second surface inclined upward, and the first surface and The second surfaces are connected directly or via a connecting surface.
A vehicle-mounted data connector assembly according to claim 6, wherein the first surface and the second surface are one or more of inclined surfaces or arcuate surfaces.
A vehicle-mounted data connector assembly according to claim 6, wherein the cross section of the upper protruding portion is triangular or trapezoidal.
A vehicle-mounted data connector assembly according to claim 3, characterized in that the connecting part is composed of two symmetrically arranged claws, and the inner wall of each claw has a continuously arranged guide area, a positioning area and a In the fixing area, when the lowermost protruding portion enters the conversion hole, the positioning area is clamped on the outside of the terminal assembly; when all the protruding portions enter the conversion hole together, the fixing area is pressed on the outside of the terminal assembly.
The vehicle-mounted data connector assembly according to claim 9 is characterized in that the guide area, the positioning area and the fixing area are all arc-shaped, and the curvatures of the three increase sequentially.
According to the vehicle-mounted data connector assembly of claim 10, it is characterized in that: the protrusion is provided with multiple sections, and correspondingly, the positioning area is provided with multiple sections, and the multiple positioning areas are all arc-shaped and the curvature increases successively.
A vehicle-mounted data connector assembly according to claim 11, characterized in that: the number of segments of the positioning area is no more than the number of the protrusions, and the plurality of segments of the positioning area and the plurality of the protrusions are Corresponding settings between parts.
A vehicle-mounted data connector assembly according to claim 12, characterized in that: the number of segments of the positioning area is the same as the number of the protrusions, and the plurality of segments of the positioning area and the plurality of the protrusions are One-to-one correspondence between settings.
A vehicle-mounted data connector assembly according to claim 1, characterized in that: the area where the window opening and the TPA piece are matched taper-shaped transition to the outside.
A vehicle-mounted data connector assembly according to claim 1, characterized in that: the elastic clamping member is a spring piece with one end connected to the inner wall of the sheath, and the free end of the spring piece snaps into the terminal assembly after the terminal assembly is installed. Describe the first card slot.
A vehicle-mounted data connector assembly according to claim 15, characterized in that: a hook hole is provided on the end surface of the elastic piece.
A vehicle-mounted data connector assembly according to claim 1, characterized in that: the outer wall of the connector is further provided with a positioning ring, and the inner wall of the sheath has a positioning ladder matching the positioning ring. , the front side of the positioning ladder is also provided with at least one transition ramp.
The vehicle-mounted data connector assembly according to claim 17 is characterized in that the positioning ring, the first slot and the second slot are arranged in sequence along the loading direction of the terminal assembly.