Plug connector and connecting assembly
By integrating the adapter terminal into the plug connector and adopting a removable adapter sheath and a socket design with a predetermined angle, the problem of damage to the reed when welding the adapter terminal and cable and the problem of inability to disassemble after assembly is achieved, achieving higher versatility and flexibility.
Patent Information
- Application Number
- CN202421329500.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-12
AI Technical Summary
In the prior art, the adapter terminals and cables may cause damage to the reed during welding, and the cables and adapter terminals cannot be disassembled after assembly.
A plug connector is designed to integrate the adapter terminal into the plug connector, and the adapter terminal is installed using a removable adapter sheath, and the conductive connection is achieved through a socket design and conductive claw structure at a predetermined angle.
It avoids damage to the reed during welding, improves the versatility of the socket connector, reduces maintenance and production costs, and provides flexible assembly methods.
Smart Images
Figure CN222581725U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of connectors, and more specifically, to a plug connector and a connecting assembly. Background Art
[0002] At present, some types of connectors require the use of transfer terminals to connect the two rows of terminals of the plug and the socket. One end of the existing transfer terminal is usually inserted into the end of the socket terminal. When the plug is connected to the socket, the plug terminal is inserted into the other end of the transfer terminal. In some occasions, in order to improve the versatility of the socket, the structure of the socket needs to be simplified as much as possible. The transfer terminal is no longer suitable for assembly into the socket. As a replacement, some connectors weld the transfer terminal to the cable end of the plug. This type of transfer terminal is made of stamped and folded sheet material, one end is welded to the plug terminal, and the other end has an inner cavity with a reed fixed in the inner cavity. However, this structure may cause damage to the reed during welding, and the cable and the transfer terminal cannot be disassembled after assembly, so it needs to be optimized. Utility Model Content
[0003] The utility model provides a plug connector to solve the problem in the prior art that the spring sheet may be damaged when welding the transfer terminal and the cable and the cable and the transfer terminal cannot be disassembled after being assembled. In addition, a connection assembly including the plug connector is also provided.
[0004] The utility model provides a plug connector, which is used for plugging and connecting with a socket connector. A socket terminal is arranged in the socket connector. The plug connector includes a shell and a plug terminal. The plug terminal is inserted into the wiring terminal of the shell and one end of the plug terminal constitutes a plug-in end and the other end is connected to a cable. The plug connector also includes a transfer sleeve, which is detachably installed in the plug-in end of the shell. The transfer sleeve is provided with a transfer terminal. The transfer terminal includes a shell with an inner cavity and a spring fixed in the inner cavity. The shell is provided with a first socket and a second socket, which are respectively plugged with the plug-in end of the plug terminal and the plug-in end of the socket terminal, and there is a predetermined angle between the insertion directions of the first socket and the second socket. The plug-in end of the plug terminal is inserted into the interior of the spring through the first socket, and a stop structure for preventing the plug terminal from withdrawing from the shell is provided between the plug-in end of the plug terminal and the shell. The second socket is used for the insertion of the socket terminal.
[0005] Optionally, the spring sheet is provided with at least one group of conductive spring claws extending along the insertion direction or the removal direction at positions corresponding to the first socket and the second socket.
[0006] Optionally, at least two groups of conductive spring claws corresponding to the first socket and the second socket are provided, and one group extends along the insertion direction, and the other group extends along the removal direction and is arranged opposite to the one group.
[0007] Optionally, one end of the adapter sleeve is inserted into the plug-in end of the shell and a boss is provided on the outer wall of the end, and a groove is provided on the inner wall of the adapter sleeve corresponding to the plug-in end of the shell. After the adapter sleeve is inserted into the plug-in end of the shell, the boss and the groove are engaged to realize the detachable installation of the adapter sleeve and the shell.
[0008] Optionally, the shell includes a protective shell and an inner rubber core arranged in the protective shell, the groove is arranged in the inner rubber core, and the transition sleeve and the inner rubber core are detachably installed.
[0009] Optionally, a stopper is provided at the other end of the adapter sleeve, and the adapter terminal is inserted from one end of the adapter sleeve and then stops and cooperates with the stopper to prevent the adapter terminal from escaping from the adapter sleeve in the direction of the socket connector.
[0010] Optionally, the predetermined angle ranges from 90° to 180°.
[0011] Optionally, the anti-retraction structure includes an anti-retraction plate arranged in the shell, the anti-retraction plate is provided with an elastic arm, and the plug terminal is provided with a slot, and after the plug terminal is inserted into the shell, the free end of the elastic arm is embedded in the slot to prevent the plug terminal from withdrawing from the shell.
[0012] Optionally, a slot is provided on the inner wall of the housing corresponding to the plug terminal, the retaining piece is inserted into the slot and the free end of the elastic arm extends out of the slot in the direction of the plug terminal.
[0013] Optionally, the side edge of the anti-retraction piece is provided with anti-retraction teeth, and after the anti-retraction piece is inserted into the slot, the anti-retraction teeth penetrate into the inner wall of the slot to prevent the anti-retraction piece from exiting the slot.
[0014] The utility model also provides a connection assembly, comprising the plug connector as described above, and a socket connector adapted to be connected to the plug connector, wherein a socket terminal is arranged in the socket connector, and the plug-in end of the plug terminal and the plug-in end of the socket terminal are respectively inserted into the interior of the spring sheet through a first socket and a second socket to achieve a conductive connection.
[0015] The utility model has the following beneficial effects:
[0016] 1. The utility model integrates the transfer terminal into the plug connector, and the structure of the corresponding socket connector is greatly simplified. In some applications, only some structures of the plug connector need to be adjusted in structure and size without changing the socket connector, thereby improving the versatility of the socket connector and reducing the workload of changing the entire connection assembly and the corresponding production cost.
[0017] 2. The detachable adapter cover of the utility model can be replaced with an adapter terminal adapted to different types of socket connectors as needed, so that it can be suitable for different types of socket connectors. After the adapter terminal is damaged due to wear, deformation, etc., the adapter terminal can be easily replaced because the adapter cover is detachable, thereby reducing the maintenance cost of the plug connector and preventing the entire plug connector from being scrapped.
[0018] 3. The first socket and the second socket on the adapter terminal of the utility model have a predetermined angle in their insertion directions, so that they can be used for power transmission occasions with different cable orientations, for example, cable orientations of 90°, 135° or 180°.
[0019] 4. The transfer terminal of the utility model does not need to be welded with the plug terminal, and adopts a direct plug-in connection method, thereby avoiding the problem that the existing welding method may cause damage to the reed during welding.
[0020] 5. The adapter terminal of the utility model can provide for the plug terminal and the socket terminal to be inserted simultaneously or in steps, that is, the plug terminal can be inserted first and then the socket terminal. In this case, the adapter sleeve and the adapter terminal are first installed in the shell, and then the plug terminal and the cable are installed in the shell to form a plug connector and then connected with the socket connector; or the socket terminal can be inserted first and then the plug terminal. In this case, the shell assembled with the adapter sleeve and the adapter terminal is first connected to the socket connector, and finally the plug terminal and the cable are assembled in the shell; therefore, the assembly flexibility of the utility model is relatively strong, and the assembly method can be flexibly adjusted according to the actual connection occasions and connection requirements, which is more practical and convenient.
[0021] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention.
[0023] Figure 1 is a schematic structural diagram of the plug connector of this embodiment;
[0024] Figure 2 This is a schematic diagram of the assembly status of the transfer sheath, inner rubber core, plug terminal, and cable;
[0025] Figure 3 A schematic diagram of the positional relationship between the adapter sleeve and the plug terminal in the assembled state;
[0026] Figure 4It is a structural schematic diagram of the transfer housing and the transfer terminal in an assembled state from one perspective;
[0027] Figure 5 It is a structural schematic diagram of another angle of view of the transfer housing and transfer terminal in the assembled state;
[0028] Figure 6 It is a structural schematic diagram of the transfer terminal;
[0029] Figure 7 It is a schematic diagram of the structure of the housing of the transfer terminal;
[0030] Figure 8 It is a schematic diagram of the structure of the reed of the transfer terminal;
[0031] Fig. 9 It is a structural schematic diagram of the inner rubber core;
[0032] Fig.10 A schematic diagram of the structure of the anti-retraction film;
[0033] Fig.11 A schematic diagram of the assembly state after the backstop is installed in the inner rubber core;
[0034] Fig.12 It is a schematic diagram of the partial cross-section structure of the plug connector of this embodiment at the stop plate;
[0035] Fig.13 is a schematic diagram of the structure of a socket connector in a connection assembly;
[0036] Fig.14 It is a connection diagram of the plug terminal, the socket terminal and the adapter terminal.
[0037] The following are marked in the figure:
[0038] 1. Plug connector;
[0039] 2. Shell; 21. Inner rubber core; 211. Slot; 212. Groove; 22. Protective shell;
[0040] 3. Plug terminal; 31. Cable; 32. Card slot;
[0041] 4. Anti-retraction piece; 41. Elastic arm; 42. Anti-retraction tooth;
[0042] 5. adapter sleeve; 51. boss; 52. stopper;
[0043] 6. Transfer terminal; 61. Housing; 611. First socket; 612. Second socket; 63. Reed; 631. First conductive spring claw; 632. Second conductive spring claw;
[0044] 7. Socket connector; 71. Socket terminal;
[0045] 8. Install the panel. DETAILED DESCRIPTION
[0046] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention.
[0047] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.
[0048] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.
[0049] In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.
[0050] like Figure 1-13 As shown, an embodiment of the utility model provides a plug connector 1, which is used for plugging and connecting with a socket connector. A socket terminal is arranged in the socket connector. The plug connector 1 includes a housing 2 and a plug terminal 3. The plug terminal 3 is inserted into the wiring terminal of the housing 2 and one end of the plug terminal 3 constitutes a plug-in end, and the other end is connected to a cable 31. The plug connector 1 also includes a transfer sheath 5, which is detachably installed in the plug-in end of the housing 2. A transfer terminal 6 is arranged in the transfer sheath 5. The transfer terminal 6 includes a shell 61 with an inner cavity and a fixed A spring sheet 63 is fixed in the inner cavity, and a first socket 611 and a second socket 612 are provided on the outer shell 61, which are respectively plugged with the plug-in end of the plug terminal 3 and the plug-in end of the socket terminal, and there is a predetermined angle between the insertion directions of the first socket 611 and the second socket 612. The plug-in end of the plug terminal 3 is inserted into the interior of the spring sheet 63 through the first socket 611, and a stop structure is provided between the plug-in end of the plug terminal 3 and the shell 2 to prevent the plug terminal 3 from withdrawing from the shell 2, and the second socket 612 is used for the insertion of the socket terminal.
[0051] In the plug connector 1, the transfer terminal 6 is integrated into the plug connector 1, and the structure of the corresponding socket connector is greatly simplified. When the connector model needs to be adjusted, generally, only some structures of the plug connector 1 need to be adjusted in structure and size, and the socket connector does not need to be modified, thereby improving the versatility of the socket connector, and reducing the workload of modifying the entire connection assembly and the corresponding production cost. In addition, the detachable transfer sheath 5 can be replaced with a transfer terminal 6 adapted to different models of socket connectors as needed, so that it can be suitable for different models of socket connectors, and the versatility of the plug connector 1 is also improved. Moreover, after the transfer terminal 6 is damaged due to wear, deformation, etc., since the transfer sheath 5 is detachable, the transfer terminal 6 can be easily replaced, thereby reducing the maintenance cost of the plug connector 1, and the plug connector 1 will not be scrapped as a whole. Furthermore, the insertion direction of the first socket 611 and the second socket 612 on the transfer terminal 6 can be set at a predetermined angle, so that it can face different In the case of power transmission with the direction of the cable 31, for example, the direction of the cable 31 is 90°, 135° or 180°; furthermore, the adapter terminal 6 does not need to be welded with the plug terminal 3, and a direct plug-in connection method is adopted, thereby avoiding the problem that the existing welding method may cause damage to the spring 63 during welding; finally, the adapter terminal 6 can be used for the plug terminal 3 and the socket terminal to be plugged in simultaneously or in steps, that is, the plug terminal 3 can be plugged in first and then the socket terminal. At this time, the adapter sheath 5 and the adapter terminal 6 are first installed in the shell 2, and then the plug terminal 3 and the cable 31 are installed in the shell 2 to form the plug connector 1 and then connected to the socket connector, or the socket terminal can be plugged in first and then the plug terminal 3. At this time, the shell 2 assembled with the adapter sheath 5 and the adapter terminal 6 is first connected to the socket connector, and then the plug terminal 3 and the cable 31 are assembled in the shell 2. Therefore, the plug connector 1 has strong assembly flexibility and can flexibly adjust the assembly method according to the actual connection occasion and connection requirements, which is more practical and convenient.
[0052] Furthermore, in order to ensure good conductive performance, the spring leaf 63 is provided with at least one group of conductive spring claws extending along the insertion direction or the removal direction at the positions corresponding to the first socket 611 and the second socket 612, and the free ends of the conductive spring claws abut against the corresponding terminals to achieve conductive connection, and the number of conductive spring claws in each group can be set according to actual needs.
[0053] Furthermore, in order to complete more conductive connections within a shorter insertion stroke, at least two groups of conductive spring claws corresponding to the first socket 611 and the second socket 612 are provided, and one group extends along the insertion direction, and the other group extends along the removal direction and is arranged opposite to the one group.
[0054] In this embodiment, Figure 8As shown, the conductive claw corresponding to the second socket 612 is the second conductive claw 632, and the second conductive claw 632 is provided with two groups arranged oppositely. The conductive claw corresponding to the first socket 611 is the first conductive claw 631, and the first conductive claw 631 is provided with three groups, one group of which is close to the first socket 611 and extends along the insertion direction, and the other two groups are arranged oppositely.
[0055] In addition, if Figure 7 , Fig. 9 As shown, the housing 61 of the adapter terminal 6 also has an opening at one end opposite to the second socket 612, and the opening is connected to the first socket 611 to form an L-shaped opening, so that the L-shaped opening can accommodate a wider plug terminal 3. Combined with the three groups of first conductive claws 631, the adapter terminal 6 can meet the conductive performance with less occupied space and manufacturing materials.
[0056] Furthermore, if Figure 4 , Figure 5 and Fig.11 As shown, in this embodiment, one end of the adapter sheath 5 is inserted into the plug-in end of the shell 2 and a boss 51 is provided on the outer wall of the end, and a groove 212 is provided on the inner wall of the adapter sheath 5 corresponding to the plug-in end of the shell 2. After the adapter sheath 5 is inserted into the plug-in end of the shell 2, the boss 51 is snapped into the groove 212 to realize the detachable installation of the adapter sheath 5 and the shell 2.
[0057] In other embodiments, the detachable installation of the adapter sleeve and the housing may also adopt other detachable connection methods, such as screw connection, interference fit, etc.
[0058] Furthermore, considering the shielding requirements of the high voltage power transmission environment, such as Figure 1 , Figure 2 and Fig.12 As shown, in this embodiment, the housing 2 includes a protective shell 22 and an inner rubber core 21 disposed in the protective shell 22, a groove 212 is disposed in the inner rubber core 21, and the adapter sheath 5 and the inner rubber core 21 are detachably installed.
[0059] The above-mentioned protective shell 22 can be made of metal, and the shielding layer of the cable 31 is shielded and connected to the protective shell 22, or the protective shell 22 is made of plastic, and a shielding shell is added between the inner rubber core 21 and the protective shell 22, and the shielding layer of the cable 31 is shielded and connected to the shielding shell. The above shielding technologies are all conventional existing technologies and will not be repeated here.
[0060] Furthermore, if Figure 5 As shown, in this embodiment, a stopper 52 is provided at the other end of the adapter sheath 5, i.e., the end close to the socket connector. After the adapter terminal 6 is installed from one end of the adapter sheath 5, i.e., the end close to the plug terminal 3, it is stopped and cooperated with the stopper 52 to prevent the adapter terminal 6 from escaping from the adapter sheath 5 toward the socket connector.
[0061] Optionally, the range of the aforementioned predetermined angle is 90°-180°. In the present embodiment, the predetermined angle is 90°, so that the plug connector 1 can achieve a 90° connection.
[0062] Furthermore, in order to ensure smooth insertion of the plug terminal 3 and to ensure the anti-retraction effect, the anti-retraction structure includes an anti-retraction piece 4 arranged in the housing 2, an elastic arm 41 is arranged on the anti-retraction piece 4, and a card slot 32 is arranged on the plug terminal 3. After the plug terminal 3 is inserted into the housing 2, the free end of the elastic arm 41 is embedded in the card slot 32 to prevent the plug terminal 3 from withdrawing from the housing 2. In order to facilitate the installation of the anti-retraction piece 4, a slot 211 is arranged on the inner wall of the housing 2 corresponding to the plug terminal 3, the anti-retraction piece 4 is inserted into the slot 211 and the free end of the elastic arm 41 extends out of the slot 211 in the direction of the plug terminal 3, and an anti-retraction tooth 42 is arranged on the side of the anti-retraction piece 4. After the anti-retraction piece 4 is inserted into the slot 211, the anti-retraction tooth 42 penetrates into the inner wall of the slot 211 to prevent the anti-retraction piece 4 from withdrawing from the slot 211.
[0063] Specifically, Figure 9-12 In this embodiment, since the shell 2 includes a protective shell 22 and an inner rubber core 21, the retaining piece 4 is arranged in the inner rubber core 21, that is, the slot 211 is located in the inner rubber core 21, and the retaining piece 4 is inserted into the slot 211 from the position where the inner rubber core 21 is connected to the adapter terminal 6, and the free end of the elastic arm 41 extends out of the slot 211 in the direction of the plug terminal 3.
[0064] In other embodiments, a groove structure may be provided in the shell or the inner rubber core, and a protrusion structure may be provided on the plug terminal. After the plug terminal is inserted into the shell or the inner rubber core, the protrusion structure and the groove structure are engaged to prevent the plug terminal from retreating.
[0065] The embodiment of the utility model further provides a connection assembly, comprising the plug connector 1 as described above, and a socket connector 7 adapted to be connected with the plug connector 1, the socket connector 7 being as shown in FIG. Fig.13 As shown. The socket connector 7 is mounted on the mounting panel 8, and a socket terminal 71 is provided in the socket connector 7. When the connection assembly is assembled, Fig.14 As shown, the plug-in end of the plug terminal 3 and the plug-in end of the socket terminal 71 are respectively inserted into the interior of the spring sheet 63 through the first socket 611 and the second socket 612 to achieve conductive connection.
[0066] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.
Claims
1. A plug connector, used for plugging and connecting with a socket connector, wherein a socket terminal is arranged in the socket connector, the plug connector comprises a housing and a plug terminal, wherein the plug terminal is inserted into a wiring terminal of the housing and one end of the plug terminal constitutes a plug-in end and the other end is connected to a cable, wherein: The plug connector also includes an adapter sheath, which is detachably installed in the mating end of the shell, and an adapter terminal is arranged in the adapter sheath, and the adapter terminal includes a shell having an inner cavity and a spring fixed in the inner cavity, and the shell is provided with a first socket and a second socket respectively plugged with the plug-in end of the plug terminal and the plug-in end of the socket terminal, and there is a predetermined angle between the insertion directions of the first socket and the second socket, the plug-in end of the plug terminal is inserted into the interior of the spring through the first socket, and a retaining structure is arranged between the plug-in end of the plug terminal and the shell to prevent the plug terminal from withdrawing from the shell, and the second socket is used for the insertion of the socket terminal.
2. A plug connector according to claim 1, characterized in that: The spring sheet is provided with at least one group of conductive spring claws extending along the insertion direction or the extraction direction at positions corresponding to the first socket and the second socket.
3. A plug connector according to claim 2, characterized in that: At least two groups of conductive spring claws corresponding to the first socket and the second socket are arranged, and one group extends along the insertion direction, and the other group extends along the extraction direction and is arranged opposite to the one group.
4. A plug connector according to claim 1, characterized in that: One end of the adapter sleeve is inserted into the plug-in end of the shell and a boss is provided on the outer wall of the end. A groove is provided on the inner wall of the adapter sleeve corresponding to the plug-in end of the shell. After the adapter sleeve is inserted into the plug-in end of the shell, the boss and the groove are engaged to realize the detachable installation of the adapter sleeve and the shell.
5. A plug connector as claimed in claim 4, characterized in that: The shell comprises a protective shell and an inner rubber core arranged in the protective shell, the groove is arranged in the inner rubber core, and the adapter sleeve and the inner rubber core are detachably installed.
6. A plug connector as claimed in claim 4, characterized in that: A stopper is provided at the other end of the transfer sleeve, and the transfer terminal is inserted from one end of the transfer sleeve and then stops and cooperates with the stopper to prevent the transfer terminal from escaping from the transfer sleeve in the direction of the socket connector.
7. A plug connector according to claim 1, characterized in that: The predetermined angle ranges from 90° to 180°.
8. A plug connector according to claim 1, characterized in that: The anti-retraction structure includes an anti-retraction plate arranged in the shell, the anti-retraction plate is provided with an elastic arm, the plug terminal is provided with a slot, and after the plug terminal is inserted into the shell, the free end of the elastic arm is embedded in the slot to prevent the plug terminal from withdrawing from the shell.
9. A plug connector according to claim 8, characterized in that: A slot is provided on the inner wall of the housing corresponding to the plug terminal, the retaining piece is inserted in the slot and the free end of the elastic arm extends out of the slot in the direction of the plug terminal.
10. A plug connector according to claim 9, characterized in that: The side edge of the anti-retraction piece is provided with anti-retraction teeth, and after the anti-retraction piece is inserted into the slot, the anti-retraction teeth penetrate into the inner wall of the slot to prevent the anti-retraction piece from exiting the slot.
11. A connection assembly, characterized in that: It comprises a plug connector as described in any one of claims 1 to 9, and a socket connector adapted to be connected to the plug connector, wherein a socket terminal is arranged in the socket connector, and the plug-in end of the plug terminal and the plug-in end of the socket terminal are respectively inserted into the interior of the spring through a first socket and a second socket to achieve a conductive connection.