A terminal and a connector

Abstract

The utility model provides a kind of terminal and connector, it is related to connector technical field, comprising: connecting section and extension section, connecting section is used to be connected with cable, extension section is integrally connected with connecting section, the end of extension section away from connecting section is provided with the first bending section that is bent towards extension section side, the outer end of first bending section is formed contact part away from the side of extension section, contact part is used for the conductive contact of terminal, the end of extension section close to connecting section is provided with the clamping part that is bent towards the other side of extension section, clamping part is used for the clamping of terminal in the shell of connector;It solves the problem that the cable connector terminal plug-in reliability of single-row terminal in prior art is poor, and manufacturing process difficulty is greater.

Description

Technical Field

[0001] This utility model belongs to the field of connector technology, and more specifically, relates to a terminal and a connector. Background Technology

[0002] like Figure 1 and Figure 2 As shown, existing single-row terminal cable connectors have terminals within their housing consisting of a connecting section and a contact section. The connecting section connects to the cable, while the contact section forms a U-shaped cross-section, using a clamping method to achieve conductive contact during insertion. Furthermore, a locking structure is provided on one side of the housing to lock the connection during insertion. Such terminal connections have poor reliability and are difficult to manufacture. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by providing a terminal and connector that solves the problems of poor terminal insertion reliability and high manufacturing difficulty of single-row terminal cable connectors.

[0004] To achieve the above objectives, this utility model provides a terminal, comprising:

[0005] The connector includes a connecting section and an extension section. The connecting section is used to connect to a cable. The extension section is integrally connected to the connecting section. The end of the extension section away from the connecting section is provided with a first bent section that bends toward one side of the extension section. The outer end of the first bent section forms a contact portion on the side away from the extension section. The contact portion is used for conductive contact of the terminal. The end of the extension section near the connecting section is provided with a snap-fit ​​portion that bends toward the other side of the extension section. The snap-fit ​​portion is used for snapping the terminal into the connector housing.

[0006] Optionally, the connecting section includes an insulating crimping portion and a conductor crimping portion spaced apart, the insulating crimping portion and the conductor crimping portion being used to crimp with the insulation sheath of the cable and the wire core of the cable, respectively.

[0007] Optionally, the insulating crimping portion and the conductor crimping portion each include a pair of first crimping wings and a pair of second crimping wings, the pair of first crimping wings and the pair of second crimping wings being integrally connected to the connecting segment and forming a V-shaped structure respectively.

[0008] Optionally, the extension extends along the length of the connecting segment and forms a terminal plane on one side thereon.

[0009] Optionally, the terminal plane is provided with a stamped protrusion structure.

[0010] Optionally, the outer end of the first bent segment is integrally connected to a second bent segment that bends toward the plane of the terminal. A gap is formed between the second bent segment and one side surface of the extension segment, and the second bent segment is used to abut against the extension segment when the terminal is in the plugged-in state undergoes elastic deformation.

[0011] Optionally, the second bending segment includes a first segment and a second segment, with a first angle between the first segment and the first bending segment, a second angle between the second segment and the first segment, and the gap between the second segment and one side surface of the extension segment, and for abutting against the extension segment when the terminal is in the plugged-in state undergoes elastic deformation.

[0012] Optionally, a first guide slope is provided at the end of the snap-fit ​​portion away from the connecting segment.

[0013] This utility model also provides a connector, comprising:

[0014] The housing has a terminal mounting slot and a plug slot inside, and the terminal mounting slot communicates with the plug slot.

[0015] The terminal described above is installed in the terminal mounting groove, and a portion of the first bent section extends into the insertion groove so that the contact portion is located in the insertion groove. A limiting portion is provided on one side of the mounting groove, and the limiting portion cooperates with the snap-fit ​​portion.

[0016] A cable, which is connected to the connecting segment.

[0017] Optionally, the mounting slot and the plug slot are respectively provided with an open mounting port and an open plug interface at the wire outlet end and the plug end of the housing.

[0018] Optionally, an open groove is provided on the side of the mounting groove away from the plug groove, and a first deformable connection part is provided on the groove wall of the open groove near the wire outlet end of the housing, and the limiting part is provided on the side of the outer end of the first deformable connection part facing the inside of the mounting groove.

[0019] Optionally, a second guide slope is provided at one end of the limiting part near the wire outlet end of the housing.

[0020] Optionally, an embedding groove is provided on the side wall of the open groove away from the outlet end of the housing, and each of the snap-fit ​​parts is embedded in an embedding groove.

[0021] Optionally, a locking structure is provided on each of the opposite sides of the housing.

[0022] Optionally, the locking structure includes a second deformable connecting part and a locking plate part integrally connected to the outside of the housing in sequence. The second deformable connecting part is connected to the middle of the locking plate part. The locking plate part is provided with a locking groove on the side near the housing. The side wall of the locking groove near the insertion end of the housing forms a locking part.

[0023] Optionally, multiple terminals are provided, and the multiple terminals form a terminal block. A partition is provided in the plug slot, and the partition divides the plug slot into two sub-plug slots of different sizes.

[0024] This utility model provides a terminal and connector, which has the following advantages: The terminal is used in a single-row terminal cable connector. The terminal is formed by bending process and can connect cables through the connecting section. The first bending section, which is set at the end of the extension section away from the connecting section, bends and undergoes elastic deformation during insertion. A contact part is formed on the outer end of the first bending section away from the extension section, which is used for conductive contact between the terminal and the electrical connection part of the insertion. This terminal structure can simplify the manufacturing process, provide another conductive contact method, and improve the reliability of insertion and conductive contact. At the same time, the snap-fit ​​part of the extension section bent away from the contact part can form a snap-fit ​​limit with the housing of the connector where the terminal is located, preventing the terminal from falling back and loosening, and further improving the insertion reliability of the terminal in the connector.

[0025] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0026] The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings, in which like reference numerals generally represent like parts.

[0027] Figure 1 A schematic diagram of the structure of a single-row terminal cable connector in the prior art is shown.

[0028] Figure 2 A schematic diagram of the terminal structure of a single-row terminal cable connector in the prior art is shown.

[0029] Figure 3 A schematic diagram of the structure of a terminal according to an embodiment of the present invention is shown.

[0030] Figure 4 A schematic diagram of the structure of a connector according to an embodiment of the present invention is shown from one perspective.

[0031] Figure 5A structural schematic diagram of a connector according to one embodiment of the present invention is shown from another perspective.

[0032] Figure 6 A cross-sectional structural schematic diagram of a connector according to an embodiment of the present invention is shown.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Connecting section; 2. Extension section; 3. First bending section; 4. Contact part; 5. Snap-fit ​​part; 6. First crimping wing; 7. Second crimping wing; 8. Terminal plane; 9. Stamped protrusion structure; 10. Second bending section; 11. First section; 12. Second section; 13. First guide slope; 14. Housing; 15. Terminal mounting slot; 16. Insertion slot; 17. Limiting part; 18. Cable; 19. Open slot; 20. First deformable connection part; 21. Second guide slope; 22. Embedded slot; 23. Second deformable connection part; 24. Locking plate part; 25. Locking groove; 26. Partition. Detailed Implementation

[0035] Preferred embodiments of the present invention will now be described in more detail. While preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0036] like Figure 3 As shown, this utility model provides a terminal, comprising:

[0037] The connector 1 and the extension 2 are provided. The connector 1 is used to connect to the cable 18. The extension 2 is integrally connected to the connector 1. The end of the extension 2 away from the connector 1 is provided with a first bending section 3 that bends toward one side of the extension 2. The outer end of the first bending section 3 away from the extension 2 forms a contact part 4. The contact part 4 is used for conductive contact of the terminal. The end of the extension 2 near the connector 1 is provided with a snap-fit ​​part 5 that bends toward the other side of the extension 2. The snap-fit ​​part 5 is used for snap-fit ​​of the terminal in the connector housing 14.

[0038] Specifically, to address the problems of poor terminal insertion reliability and high manufacturing difficulty in existing single-row terminal cable connectors, the terminal provided by this utility model is used in single-row terminal cable connectors. The terminal is formed by bending process and can connect to the cable 18 through the connecting section 1. The first bending section 3, located at the end of the extension section 2 away from the connecting section 1, bends and undergoes elastic deformation during insertion, and a contact part 4 is formed on the outer end of the first bending section 3 away from the extension section 2. This contact part is used for conductive contact between the terminal and the electrical connection part of the insertion. This terminal structure simplifies the manufacturing process, provides another conductive contact method, and improves the reliability of insertion and conductive contact. At the same time, the snap-fit ​​part 5 of the extension section 2, which bends away from the contact part 4, can form a snap-fit ​​limit with the housing 14 of the connector where the terminal is located, preventing the terminal from falling back and further improving the insertion reliability of the terminal in the connector.

[0039] Optionally, the connecting section 1 includes an insulating crimping portion and a conductor crimping portion spaced apart, the insulating crimping portion and the conductor crimping portion being used to crimp with the insulation sheath of the cable 18 and the wire core of the cable 18, respectively.

[0040] Specifically, the insulation of the cable 18 is partially stripped off at the front end to expose the wire core. The wire core is inserted into the conductor crimping part and crimped with the conductor crimping part. At the same time, the insulation of the cable 18, which is in the insulation crimping part, is crimped through the insulation crimping part to realize the connection between the cable 18 and the terminal.

[0041] Optionally, the insulating crimping portion and the conductor crimping portion each include a pair of first crimping wings 6 and a pair of second crimping wings 7, which are integrally connected to the connecting section 1 and respectively form a V-shaped structure.

[0042] Specifically, the pair of first crimping wings 6 and the pair of second crimping wings 7 arranged opposite to each other are integrally connected to the terminal connection section 1, respectively clamping the wire core and insulation of the cable 18 and crimping it with the cable 18, ensuring the connection strength between the terminal and the cable 18.

[0043] Optionally, the extension 2 extends along the length of the connecting section 1 and forms a terminal plane 8 on one side thereon.

[0044] Specifically, the terminal is made of sheet material, the extension section 2 and the connecting section 1 extend in the same direction, and the first crimping wing 6, the second crimping wing 7 and the first bending section 3 are all bent toward one side of the extension section, that is, the terminal plane 8 side.

[0045] Optionally, a stamped protrusion structure 9 is provided on the terminal plane 8.

[0046] Specifically, the stamped protrusion structure 9 provided on the terminal plane 8 is formed by stamping, forming a protrusion on the side of the terminal plane 8 and a depression on the other side of the extension section 2.

[0047] Optionally, the outer end of the first bent section 3 is integrally connected to a second bent section 10 that bends toward the terminal plane 8. A gap is formed between the second bent section 10 and one side surface of the extension section 2, and it is used to abut against the extension section 2 when elastic deformation occurs in the terminal insertion state.

[0048] Specifically, the terminal also includes a second bent section 10, which is integrally connected to the outer end of the first bent section 3 and bent toward the terminal plane 8. When the terminal is plugged in, the contact part 4 contacts the electrical connection part to which it is plugged in, such as the terminal of the board connector or PCB, PAD, the first bent section 3 undergoes elastic deformation, and the second bent section 10 can contact and abut with the extension section 2 to improve the positive force of the terminal plugging and contact, and improve the reliability of plugging and contact.

[0049] Optionally, the second bending segment 10 includes a first segment 11 and a second segment 12. The first segment 11 forms a first angle with the first bending segment 3, and the second segment 12 forms a second angle with the first segment 11. A gap is formed between the second segment 12 and one side surface of the extension segment 2, and it is used to abut against the extension segment 2 when elastic deformation occurs in the terminal insertion state.

[0050] Specifically, the first segment 11 and the second segment 12 of the second bending segment 10 form a V-shape, and the first segment 11 and the first bending segment 3 are also bent into a V-shape. The contact part 4 is formed in the first bending segment 3 near the first segment 11.

[0051] Optionally, a first guide slope 13 is provided at the end of the snap-fit ​​portion 5 away from the connecting section 1.

[0052] Specifically, the first guide bevel 13 can be a chamfered structure located at the end of the snap-fit ​​portion 5 away from the connecting section 1. The first guide bevel 13 facilitates the insertion of the terminal into the housing 14 of the connector during installation.

[0053] like Figure 4 As shown, this utility model also provides a connector, comprising:

[0054] The housing 14 has a terminal mounting groove 15 and a plug-in groove 16 inside, and the terminal mounting groove 15 and the plug-in groove 16 are connected.

[0055] The terminal described above is installed in the terminal mounting groove 15, and a portion of the first bent section 3 extends into the insertion groove 16 so that the contact portion 4 is located in the insertion groove 16. A limiting portion 17 is provided on one side of the mounting groove, and the limiting portion 17 cooperates with the snap-fit ​​portion 5.

[0056] Cable 18 is connected to connector 1.

[0057] Specifically, the connector is a wire-end connector. The terminal can be installed in the terminal mounting slot 15 inside the housing 14 by insertion. When installed in place, the locking part 5 of the terminal engages with the limiting part 17 to prevent the terminal from coming loose.

[0058] Optionally, the mounting slot and the plug-in slot 16 are respectively provided with an open mounting port and an open plug-in interface at the wire outlet end and the plug-in end of the housing 14.

[0059] Specifically, the mounting port and the plug-in interface are located at the outgoing end and the plug-in end of the housing 14, respectively. The plug-in interface is for the electrical connection part of the board-end connector that mates with the wire-end connector to be inserted into the plug-in slot 16, and the mounting port is for the insertion of the terminal into the terminal mounting slot 15.

[0060] Optionally, an open groove 19 is provided on the side of the mounting groove away from the plug groove 16. A first deformable connection part 20 is provided on the side wall of the open groove 19 near the wire outlet end of the housing 14. A limiting part 17 is provided on the side of the outer end of the first deformable connection part 20 facing into the mounting groove.

[0061] Specifically, such as Figure 5 and Figure 6 As shown, the first deformable connecting part is integrally connected to the housing 14 and can undergo elastic deformation. During the process of the terminal being inserted into the insertion slot 16 through the insertion interface, the snap-fit ​​part 5 on the terminal contacts the first deformable connecting part and the limiting part 17 and pushes the limiting part 17, causing the first deformable connecting part to undergo elastic deformation until the snap-fit ​​part 5 passes over the limiting part 17 and snaps into the limiting part 17, and the first deformable connecting part elastically resets.

[0062] Optionally, a second guide slope 21 is provided at one end of the limiting part 17 near the wire outlet end of the housing 14.

[0063] Specifically, the second guide slope 21 contacts the first guide slope 13 to form a wedge-shaped sliding contact fit, which facilitates the installation and snapping of the terminals.

[0064] Optionally, an embedding groove 22 is provided on the side wall of the open groove 19 away from the outlet end of the housing 14, and each snap-fit ​​part 5 is embedded in an embedding groove 22.

[0065] Specifically, the embedding slot 22 is set to correspond one-to-one with the terminal snap-fit ​​part 5.

[0066] Optionally, a locking structure is provided on each of the opposite sides of the housing 14.

[0067] Specifically, a locking structure is provided on each of the opposite sides of the housing 14, which can improve the stability of locking the connector.

[0068] Optionally, the locking structure includes a second deformable connecting part 23 and a locking plate part 24 integrally connected to the outside of the housing 14 in sequence. The second deformable connecting part 23 is connected to the middle of the locking plate part 24. A locking groove 25 is provided on the side of the locking plate part 24 near the housing 14. The groove wall of the locking groove 25 near the insertion end of the housing 14 forms a locking part.

[0069] Specifically, the second deformable connecting part 23 and the locking plate part 24 are integrally connected to the housing 14. By using the material thinning method of the second deformable connecting part 23, the second deformable connecting part 23 can undergo elastic deformation, and the locking plate part 24 can rotate within a small range at the second deformable connecting part 23. The locking groove 25 is opened on the inner side of the locking plate part 24, and the groove wall of the locking groove 25 near the plug end can engage with the locking hook when the locking hook of the board end connector is inserted.

[0070] Optionally, multiple terminals are provided, and multiple terminals form a terminal block. A partition 26 is provided in the plug slot 16, which divides the plug slot 16 into two sub-plug slots 16 of different sizes.

[0071] Specifically, the connector is a single-row terminal cable connector, with multiple terminals arranged in a single row at intervals within the housing 14. The partition 26 divides the insertion slot 16 into two sub-insertion slots 16 of different sizes. The two sub-insertion slots 16 are inserted into different electrical connection parts of the board connector to avoid reverse insertion.

[0072] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A terminal, characterized in that, include: The connector includes a connecting section and an extension section. The connecting section is used to connect to a cable. The extension section is integrally connected to the connecting section. The end of the extension section away from the connecting section is provided with a first bent section that bends toward one side of the extension section. The outer end of the first bent section forms a contact portion on the side away from the extension section. The contact portion is used for conductive contact of the terminal. The end of the extension section near the connecting section is provided with a snap-fit ​​portion that bends toward the other side of the extension section. The snap-fit ​​portion is used for snapping the terminal into the connector housing.

2. The terminal according to claim 1, characterized in that, The connecting section includes an insulating crimping part and a conductor crimping part arranged at intervals, the insulating crimping part and the conductor crimping part being used to crimp the insulation sheath and the wire core of the cable, respectively.

3. The terminal according to claim 1, characterized in that, The insulating crimping portion and the conductor crimping portion each include a pair of first crimping wings and a pair of second crimping wings. The pair of first crimping wings and the pair of second crimping wings are integrally connected to the connecting section and each forms a V-shaped structure.

4. The terminal according to claim 1, characterized in that, The extension extends along the length of the connecting segment and forms a terminal plane on one side thereon.

5. The terminal according to claim 4, characterized in that, The terminal plane is provided with a stamped protrusion structure.

6. The terminal according to claim 1, characterized in that, The outer end of the first bent section is integrally connected to a second bent section that bends toward the plane of the terminal. A gap is formed between the second bent section and one side surface of the extension section, and the second bent section is used to abut against the extension section when the terminal is in the plugged-in state and undergoes elastic deformation.

7. The terminal according to claim 6, characterized in that, The second bending segment includes a first segment and a second segment. The first segment and the first bending segment form a first angle, and the second segment and the first segment form a second angle. The second segment and one side surface of the extension segment form the gap, and the second segment is used to abut against the extension segment when the terminal is in the plugged-in state undergoes elastic deformation.

8. The terminal according to claim 1, characterized in that, The end of the snap-fit ​​portion away from the connecting section is provided with a first guide slope.

9. A connector, characterized in that, include: The housing has a terminal mounting slot and a plug slot inside, and the terminal mounting slot communicates with the plug slot. The terminal according to any one of claims 1-8, wherein the terminal is installed in the terminal mounting groove, and a portion of the first bent section extends into the insertion groove so that the contact portion is located in the insertion groove, and a limiting portion is provided on one side of the mounting groove, the limiting portion cooperating with the snap-fit ​​portion; A cable, which is connected to the connecting segment.

10. The connector according to claim 9, characterized in that, The mounting slot and the plug slot are respectively provided with an open mounting port and an open plug interface at the wire outlet end and the plug end of the housing.

11. The connector according to claim 9, characterized in that, An open groove is provided on the side of the mounting groove away from the plug groove. A first deformable connection part is provided on the groove wall of the open groove near the wire outlet end of the housing. The limiting part is provided on the side of the outer end of the first deformable connection part facing the inside of the mounting groove.

12. The connector according to claim 11, characterized in that, The limiting part is provided with a second guide slope at one end near the wire outlet end of the housing.

13. The connector according to claim 11, characterized in that, An embedding groove is provided on the side wall of the open groove away from the outlet end of the housing, and each of the snap-fit ​​parts is embedded in an embedding groove.

14. The connector according to claim 9, characterized in that, A locking structure is provided on each of the opposite sides of the housing.

15. The connector according to claim 14, characterized in that, The locking structure includes a second deformable connecting part and a locking plate part integrally connected to the outside of the housing in sequence. The second deformable connecting part is connected to the middle of the locking plate part. The locking plate part is provided with a locking groove on the side near the housing. The side wall of the locking groove near the insertion end of the housing forms a locking part.

16. The connector according to claim 9, characterized in that, The terminal is provided in multiple ways, and the multiple terminals form a terminal block. A partition is provided in the plug slot, and the partition divides the plug slot into two sub-plug slots of different sizes.

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