Connector female terminal and connector

Abstract

The utility model relates to the technical field of connectors, and provides a connector female terminal and a connector, the connector female terminal comprises a main body, a plurality of first elastic sheets and a plurality of second elastic sheets, and the main body is provided with a first end; the plurality of first elastic sheets are provided with first intervals which are annularly arranged at the first end of the main body in a surrounding manner so as to construct a connecting cavity used for being connected with a male terminal, and each first elastic sheet is provided with a first open slot; the second elastic pieces are arranged in the first open grooves in the length direction of the first elastic pieces in a one-to-one correspondence mode. And the first elastic sheet and the second elastic sheet are used for clamping the male terminal. The current-carrying capacity and the clamping force of the female terminal can be improved, and the stability and the reliability of plugging are ensured.

Description

Technical Field

[0001] The present application relates to the technical field of connectors, and in particular provides a connector female terminal and a connector. Background Art

[0002] A connector is an accessory product used to achieve electrical connection. A connector generally includes a male terminal and a female terminal arranged inside an insulating shell. The male terminal and the female terminal are plugged together to achieve the transmission of current or signals.

[0003] However, currently there are fewer contact points between the male terminal and the female terminal, resulting in insufficient current carrying capacity, loose connection, and low reliability. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a connector female terminal and a connector, aiming to solve the problems of insufficient current carrying capacity and unstable plugging in existing connectors.

[0005] To achieve the above purpose, the technical solution adopted in this application is:

[0006] The present application provides a connector female terminal, comprising:

[0007] a body having a first end;

[0008] A plurality of first elastic sheets, wherein the plurality of first elastic sheets are arranged around the first end of the main body at first intervals to construct a connection cavity for connecting a male terminal, and each of the first elastic sheets is provided with a first slot;

[0009] A plurality of second elastic sheets, each of the second elastic sheets is disposed in each of the first slots in a one-to-one correspondence along the length direction of the first elastic sheet;

[0010] Wherein, the first spring piece and the second spring piece are used to clamp the male terminal.

[0011] The connector female terminal provided in the present application can be plugged into the male terminal through the connecting cavity; through multiple first spring sheets and multiple second spring sheets, different positions of the male terminal in the circumferential and longitudinal directions can be elastically clamped to increase the plug-in contact points with the male terminal, and the spring sheet structure is in surface contact with the male terminal, which can increase the clamping force, thereby effectively improving the current carrying capacity and ensuring stable and reliable plug-in.

[0012] Optionally, each of the first spring sheets has a relative first connecting end and a first free end, each of the first connecting ends is connected to the first end of the main body, and the portion of each of the first spring sheets adjacent to the first free end is recessed toward the central axis of the connecting cavity to form a first clamping portion, and the first clamping portion is used to clamp the male terminal.

[0013] Optionally, each second spring sheet has a second connecting end and a second free end relative to each other, each second connecting end is connected to the corresponding first slot along the width direction and adjacent to the first end of the slot wall, and the portion of each second spring sheet adjacent to the second free end is recessed toward the central axis of the connecting cavity to form a second clamping portion, and the second clamping portion is used to clamp the male terminal.

[0014] Optionally, the main body has a second end opposite to the first end, and each of the first slots extends toward the second end of the main body so that the distance from the slot wall of each of the first slots to the second end is smaller than the distance from the first end to the second end of the main body.

[0015] Optionally, the connector female terminal further includes a fixing sleeve, and the fixing sleeve includes:

[0016] A sleeve, the sleeve being sleeved on the main body, the sleeve having a third end adjacent to the first end of the main body;

[0017] A plurality of first fixing spring sheets and a plurality of second fixing spring sheets, wherein the plurality of the first fixing spring sheets and the plurality of the second fixing spring sheets are alternately arranged at second intervals and surround the third end of the sleeve body, each of the first fixing spring sheets is correspondingly arranged at the first interval between adjacent first spring sheets and covers the adjacent first spring sheets, and each of the second fixing spring sheets is correspondingly covered on the second spring sheets.

[0018] Optionally, a first fixing portion is provided at one end of each of the first fixing elastic sheets away from the sleeve body, and the first fixing portion covers the first clamping portion of the adjacent first elastic sheet.

[0019] Optionally, a second fixing portion is provided at one end of each of the second fixing elastic sheets away from the sleeve body, and the second fixing portion covers the second clamping portion of the second elastic sheet.

[0020] Optionally, the sleeve body is provided with a second slot, a third elastic sheet is provided in the second slot, the third elastic sheet has a third connecting end and a third free end opposite to each other, the third connecting end is connected to the side wall of the second slot, and the third free end expands outward in a direction away from the central axis of the connecting cavity;

[0021] And / or, the main body is provided with a limiting groove, the sleeve is provided with a limiting member, and the limiting member is clamped in the limiting groove.

[0022] Optionally, the main body has a second end opposite to the first end, and the second end of the main body is provided with a wiring structure.

[0023] The present application also provides a connector, including: the above-mentioned connector female terminal.

[0024] The connector provided in the present application can be plugged into the male terminal through the connecting cavity of the female terminal; through the multiple first spring sheets and multiple second spring sheets of the female terminal, different positions of the male terminal in the circumferential and longitudinal directions can be elastically clamped to increase the plug-in contact points with the male terminal, and the spring sheet structure is in surface contact with the male terminal, which can increase the clamping force, thereby effectively improving the current carrying capacity and ensuring stable and reliable plug-in. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 A schematic diagram of the structure of a female connector terminal provided in an embodiment of the present application;

[0027] Figure 2 A schematic diagram of the structure of the subject provided in the embodiment of the present application;

[0028] Figure 3 A schematic diagram of the structure of a fixing sleeve provided in an embodiment of the present application;

[0029] Figure 4 One of the schematic diagrams of the wiring structure provided in the embodiment of the present application;

[0030] Figure 5 This is a second schematic diagram of the wiring structure provided in an embodiment of the present application.

[0031] Among them, the reference numerals in the figure are:

[0032] 1. Main body; 2. First spring piece; 3. Second spring piece; 4. First end; 5. First interval;

[0033] 6. Connecting cavity; 7. First slot; 8. First connecting end; 9. First free end;

[0034] 10. first clamping portion; 11. central axis; 12. second connecting end; 13. second free end;

[0035] 14. groove wall; 15. second clamping portion; 16. second end; 17. fixing sleeve; 18. sleeve body;

[0036] 19. first fixing spring piece; 20. second fixing spring piece; 21. third end; 22. second interval;

[0037] 23. first fixing portion; 24. second fixing portion; 25. second slot; 26. third spring piece;

[0038] 27. third connecting end; 28. third free end; 29. ​​limiting groove; 30. limiting member;

[0039] 31. Wiring structure; 32. First connecting portion; 33. First crimping portion; 34. Second connecting portion;

[0040] 35. second crimping portion; 36. third connecting portion; 37. crimping sleeve; 38. fourth connecting portion;

[0041] 39. Welding platform. DETAILED DESCRIPTION

[0042] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0043] In the description of the embodiments of the present application, it needs to be understood that the terms "length", "width", "up", "down", "left", "right", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the embodiments of the present application.

[0044] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0045] In the embodiments of the present application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0046] According to the embodiment of the first aspect of the present application, referring to Figure 1 and Figure 2 As shown, the female connector terminal provided by the present application comprises: a main body 1, a plurality of first spring pieces 2 and a plurality of second spring pieces 3. The main body 1 has a first end 4; the plurality of first spring pieces 2 are arranged around the first end 4 of the main body 1 with a first interval 5 to form a connection cavity 6 for connecting a male terminal, and each first spring piece 2 is provided with a first slot 7; each second spring piece 3 is provided in each first slot 7 along the length direction X of the first spring piece 2 in a one-to-one correspondence; the first spring piece 2 and the second spring piece 3 are used to clamp the male terminal.

[0047] In this embodiment of the present application, the female terminal has a main body 1 part, and a plurality of first spring pieces 2 are distributed in a ring along the first end 4 of the main body 1, and there is a certain interval between them, forming a connecting cavity 6 that can accommodate the male terminal, and these first spring pieces 2 are also provided with first grooves 7, which are used to install the second spring pieces 3.

[0048] The second elastic sheet 3 is installed in the first slot 7 of each first elastic sheet 2 and arranged along the length direction X of the first elastic sheet 2. In this way, the second elastic sheet 3 can further enhance the clamping effect on the male terminal.

[0049] The specific number of the first spring pieces 2 and the second spring pieces 3 in the present application is not particularly limited, for example, both can be two or three.

[0050] When the male terminal is inserted into the connecting cavity 6 of the female terminal, it will be surrounded by a plurality of first elastic sheets 2 and second elastic sheets 3. Due to the elastic properties of the elastic sheets, they will expand outward and contract after the male terminal enters, thereby tightly clamping the male terminal.

[0051] By means of a plurality of first spring pieces 2 and second spring pieces 3 arranged in a ring, different positions of the male terminal in the circumferential direction can be elastically clamped, and by designing a second spring piece 3 extending along the length direction X on the first spring piece 2, different positions of the male terminal in the length direction can be elastically clamped. Therefore, this design can provide more plug-in contact points in the circumferential direction and length direction of the male terminal, which can effectively increase the contact area and thus improve the current carrying capacity.

[0052] In addition, the spring and the male terminal are in surface contact rather than point contact, which can significantly increase the clamping force, reduce the loose connection caused by poor contact, and effectively improve the stability and reliability of the connection.

[0053] According to one embodiment of the present application, referring to Figure 2As shown, each first spring piece 2 has a first connecting end 8 and a first free end 9 relative to each other, each first connecting end 8 is connected to the first end 4 of the main body 1, and the portion of each first spring piece 2 adjacent to the first free end 9 is recessed inwardly toward the central axis 11 of the connecting cavity 6 to form a first clamping portion 10, and the first clamping portion 10 is used to clamp the male terminal.

[0054] In this embodiment of the present application, the first clamping portion 10 is designed to better clamp the male terminal. When the male terminal is inserted into the connecting cavity 6 of the female terminal, the first clamping portion 10 will expand outward due to elasticity, and then contract to tightly clamp the male terminal to prevent it from loosening.

[0055] The concave design of the first clamping portion 10 increases the contact area with the male terminal. A larger contact area means better current distribution, thereby improving the current carrying capacity of the connector.

[0056] Since there are multiple first spring pieces 2, and each spring piece has a first clamping portion 10, this means that the male terminal has multiple contact points in the circumferential direction. This multi-point contact design can further improve the reliability and stability of the connector.

[0057] According to one embodiment of the present application, referring to Figure 2 As shown, the first free end 9 of each first elastic sheet 2 expands outward in a direction away from the central axis 11 of the connection cavity 6. Such a design facilitates smooth insertion of the male terminal into the connection cavity 6 of the female terminal, and elastic clamping is achieved through the first elastic sheet 2.

[0058] According to one embodiment of the present application, referring to Figure 2 As shown, each second spring piece 3 has a second connecting end 12 and a second free end 13 opposite to each other, and each second connecting end 12 is connected to the corresponding first slot 7 along the width direction Y and adjacent to the slot wall 14 of the first end 4, and the portion of each second spring piece 3 adjacent to the second free end 13 is recessed inwardly toward the central axis 11 of the connecting cavity 6 to form a second clamping portion 15, which is used to clamp the male terminal.

[0059] In this embodiment of the present application, the second clamping portion 15 is designed to clamp the male terminal together with the first clamping portion 10 of the first spring sheet 2. When the male terminal is inserted into the connecting cavity 6 of the female terminal, the first clamping portion 10 and the second clamping portion 15 will work simultaneously, so that the male terminal is fully clamped in both the circumferential direction and the length direction, which can significantly increase the clamping force and improve the stability and reliability of the connector.

[0060] The combination of the first clamping portion 10 and the second clamping portion 15 provides multiple contact points, which means that the male terminal will be clamped at multiple locations when inserted into the connecting cavity 6 of the female terminal. This multi-point contact design can ensure more uniform current distribution and improve current carrying capacity.

[0061] Therefore, the embodiment of the present application effectively enhances the clamping force and increases the number of contact points through the synergistic effect of the first clamping portion 10 of the first spring sheet 2 and the second clamping portion 15 of the second spring sheet 3, thereby improving the current carrying capacity of the connector and the stability and reliability of insertion.

[0062] According to one embodiment of the present application, referring to Figure 2 As shown, the second free end 13 of each second elastic sheet 3 expands outward in a direction away from the central axis 11 of the connection cavity 6. Such a design is conducive to smooth insertion of the male terminal into the connection cavity 6 of the female terminal, and elastic clamping is achieved through the second elastic sheet 3.

[0063] According to an embodiment of the present application, the distance from the second clamping portion 15 of the second elastic sheet 3 to the central axis 11 of the connecting cavity 6 is smaller than the distance from the first clamping portion 10 of the first elastic sheet 2 to the central axis 11 of the connecting cavity 6 .

[0064] In this embodiment of the present application, the second clamping portion 15 has a deeper recess depth relative to the first clamping portion 10, that is, the second clamping portion 15 is closer to the central axis 11 of the connecting cavity 6. This design is intended to improve the performance of the connector through a two-layer clamping mechanism. Specifically:

[0065] When the male terminal is inserted into the connection cavity 6 of the female terminal, the first thing that comes into contact is the first clamping portion 10 of the first elastic sheet 2. The first clamping portion 10 preliminarily clamps the male terminal through its elastic properties, providing a basis for subsequent connection.

[0066] The male terminal continues to be inserted and reaches the area where the second spring piece 3 is located. Since the second clamping portion 15 has a greater recess depth, it can provide a stronger clamping force than the first clamping portion 10. The clamping effect of the second clamping portion 15 allows the male terminal to be clamped more tightly, ensuring the stability and reliability of the connection.

[0067] According to an embodiment of the present application, the area of ​​the first clamping portion 10 of the first elastic sheet 2 is greater than the area of ​​the second clamping portion 15 of the second elastic sheet 3 .

[0068] In this embodiment of the present application, when the male terminal is inserted into the connecting cavity 6 of the female terminal, a larger contact area is provided by the first clamping portion 10 of the first elastic sheet 2, which can increase the clamping force and help improve the current carrying capacity.

[0069] According to one embodiment of the present application, referring to Figure 2 As shown, the main body 1 has a second end 16 opposite to the first end 4, and each first slot 7 extends toward the second end 16 of the main body 1, so that the distance from the slot wall 14 of each first slot 7 along the width direction Y and adjacent to the first end 4 to the second end 16 is smaller than the distance from the first end 4 to the second end 16 of the main body 1.

[0070] Such a design can make the first connection end 8 of the first spring piece 2 and the second connection end 12 of the second spring piece 3 misaligned, avoiding the connection being too close to each other and causing the structural strength of the connection to be low and thus resulting in breakage. Such a design can improve the connection strength between the first spring piece 2 and the second spring piece 3 and ensure reliability.

[0071] According to one embodiment of the present application, referring to Figure 1 and Figure 3 As shown, the female terminal of the connector further includes a fixing sleeve 17, and the fixing sleeve 17 includes: a sleeve body 18, a plurality of first fixing elastic pieces 19, and a plurality of second fixing elastic pieces 20. The sleeve body 18 is sleeved on the main body 1, and the sleeve body 18 has a third end 21 adjacent to the first end 4 of the main body 1; the plurality of first fixing elastic pieces 19 and the plurality of second fixing elastic pieces 20 are alternately arranged around the third end 21 of the sleeve body 18 with a second interval 22, and each first fixing elastic piece 19 is correspondingly arranged at the first interval 5 between adjacent first elastic pieces 2 and covers the adjacent first elastic pieces 2, and each second fixing elastic piece 20 covers the second elastic piece 3 one by one.

[0072] Since the female terminal is usually made of copper, this material is easily damaged after multiple plugging and unplugging. Therefore, in this embodiment of the present application, the fixing sleeve 17 can protect the main body 1, the first spring piece 2 and the second spring piece 3. For example, the fixing sleeve 17 can be made of stainless steel, which is more wear-resistant and corrosion-resistant than copper, and can prevent damage to the female terminal caused by external factors, thereby extending its service life and improving durability.

[0073] It can be understood that the first fixing spring 19 and the second fixing spring 20 not only provide additional protection, but also provide a certain elastic clamping force. When the male terminal is inserted into the connecting cavity 6 of the female terminal, the first fixing spring 19 and the second fixing spring 20 can further enhance the clamping effect of the first spring 2 and the second spring 3 on the male terminal. Specifically, the first spring 2 and the second spring 3 are responsible for preliminary clamping and enhancing the clamping force. The first fixing spring 19 and the second fixing spring 20 provide auxiliary clamping force and protection. This multi-layer clamping mechanism can ensure that the connector can maintain stable performance even under extreme conditions.

[0074] The specific number of the first fixing spring pieces 19 and the second fixing spring pieces 20 in the present application is not particularly limited, for example, both can be two or three.

[0075] Therefore, the embodiment of the present application can further improve the reliability and stability of the connector by adding the fixing sleeve 17. Even after multiple plugging and unplugging, the connector can still maintain a good electrical connection, reducing maintenance costs.

[0076] According to one embodiment of the present application, referring to Figure 1 and Figure 3 As shown, a first fixing portion 23 is disposed at one end of each first fixing elastic sheet 19 away from the sleeve body 18 , and the first fixing portion 23 covers the first clamping portion 10 of the adjacent first elastic sheet 2 .

[0077] Specifically, the first fixing portion 23 is designed to further enhance the clamping force and protect the first clamping portion 10 of the first spring sheet 2. When the male terminal is inserted into the connecting cavity 6 of the female terminal, the first fixing portion 23 can cooperate with the adjacent first clamping portion 10 to provide additional clamping force. Through the synergistic effect of the first fixing portion 23 and the first clamping portion 10, it can be ensured that the male terminal is clamped more firmly, improving the stability and reliability of the connection.

[0078] According to one embodiment of the present application, referring to Figure 1 and Figure 3 As shown, each second fixing spring piece 20 is provided with a second fixing portion 24 at one end away from the sleeve body 18 , and the second fixing portion 24 covers the second clamping portion 15 of the second spring piece 3 .

[0079] Specifically, the second fixing portion 24 is designed to further enhance the clamping force and protect the second clamping portion 15 of the second spring sheet 3. When the male terminal is inserted into the connecting cavity 6 of the female terminal, the second fixing portion 24 can cooperate with the second clamping portion 15 to provide additional clamping force. Through the synergistic effect of the second fixing portion 24 and the second clamping portion 15, it can be ensured that the male terminal is clamped more firmly, improving the stability and reliability of the connection.

[0080] According to one embodiment of the present application, referring to Figure 1 and Figure 3 As shown, the sleeve body 18 is provided with a second slot 25, and a third elastic piece 26 is provided in the second slot 25. The third elastic piece 26 has a third connecting end 27 and a third free end 28 opposite to each other. The third connecting end 27 is connected to the side wall of the second slot 25, and the third free end 28 expands outward in a direction away from the central axis 11 of the connecting cavity 6.

[0081] For example, the sleeve body 18 is provided with a plurality of second slots 25 distributed at intervals along the circumferential direction, and a third elastic piece 26 is disposed in each second slot 25 .

[0082] Specifically, when the female terminal is installed inside the insulating housing of the connector, the third elastic piece 26 can be stuck in the insulating housing to prevent the female terminal from being loosened.

[0083] According to one embodiment of the present application, referring to Figure 1-Figure 3 As shown, the main body 1 is provided with a limiting groove 29, and the sleeve body 18 is provided with a limiting member 30, and the limiting member 30 is clamped in the limiting groove 29. Such a design can prevent the fixing sleeve 17 from moving and improve the assembly stability of the fixing sleeve 17 and the main body 1.

[0084] According to one embodiment of the present application, referring to Figure 1 , Figure 4 and Figure 5 As shown, the main body 1 has a second end 16 opposite to the first end 4. The second end 16 of the main body 1 is provided with a wiring structure 31, and the wiring structure 31 is used to connect the wires.

[0085] like Figure 1 As shown, the wiring structure 31 includes a first connecting part 32, a first crimping part 33, a second connecting part 34 and a second crimping part 35 connected in sequence, the first connecting part 32 is connected to the second end 16 of the main body 1, the first crimping part 33 is used to crimp the wire head, and the second crimping part 35 is used to crimp the wire jacket.

[0086] like Figure 4 As shown, the wiring structure 31 includes a third connecting portion 36 and a wire crimping sleeve 37 connected to each other. The third connecting portion 36 is connected to the second end 16 of the main body 1, and the wire crimping sleeve 37 is used for crimping the wire.

[0087] like Figure 5 As shown, the wiring structure 31 includes a fourth connecting portion 38 and a welding platform 39 connected to each other. The fourth connecting portion 38 is connected to the second end 16 of the main body 1, and the welding platform 39 is used for ultrasonic welding of the wire.

[0088] According to an embodiment of the present application, the main body 1 of the female terminal, the first spring sheet 2, the second spring sheet 3 and the wiring structure 31 are integrally formed by stamping a metal sheet (such as a copper sheet) through a mold, and the fixing sleeve 17 of the female terminal is also integrally formed by stamping a metal sheet (such as a stainless steel sheet) through a mold. Such a design can simplify the manufacturing process and reduce the manufacturing cost.

[0089] According to an embodiment of the second aspect of the present application, the present application also provides a connector, comprising: an insulating shell, a male terminal and a female terminal of the connector of the above embodiment, the male terminal and the female terminal are arranged inside the insulating shell, and the male terminal is plugged into the female terminal to realize the transmission of current or signal.

[0090] The connector provided in the embodiment of the present application includes the connector female terminal of the above embodiment, and therefore has all the technical effects of the connector female terminal of the above embodiment, which will not be elaborated here.

[0091] The above are only preferred embodiments of the present application and are not intended to limit the embodiments of the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the embodiments of the present application should be included in the protection scope of the embodiments of the present application.

Claims

1. A female connector terminal, characterized in that: include: a body having a first end; A plurality of first elastic sheets, wherein the plurality of first elastic sheets are arranged around the first end of the main body at first intervals to construct a connection cavity for connecting a male terminal, and each of the first elastic sheets is provided with a first slot; A plurality of second elastic sheets, each of the second elastic sheets is disposed in each of the first slots in a one-to-one correspondence along the length direction of the first elastic sheet; Wherein, the first spring piece and the second spring piece are used to clamp the male terminal.

2. The connector female terminal according to claim 1, characterized in that: Each of the first spring sheets has a first connecting end and a first free end relative to each other, each of the first connecting ends is connected to the first end of the main body, and a portion of each of the first spring sheets adjacent to the first free end is recessed toward the central axis of the connecting cavity to form a first clamping portion, and the first clamping portion is used to clamp the male terminal.

3. The connector female terminal according to claim 2, characterized in that: Each of the second spring sheets has a second connecting end and a second free end relative to each other, and each of the second connecting ends is connected to the corresponding first slot along the width direction and adjacent to the first end of the slot wall, and the portion of each of the second spring sheets adjacent to the second free end is recessed toward the central axis of the connecting cavity to form a second clamping portion, and the second clamping portion is used to clamp the male terminal.

4. The connector female terminal according to claim 3, characterized in that: The main body has a second end opposite to the first end, and each of the first slots extends toward the second end of the main body, so that the distance from the slot wall of each of the first slots to the second end is smaller than the distance from the first end to the second end of the main body.

5. The connector female terminal according to claim 3, characterized in that: The connector female terminal also includes a fixing sleeve, and the fixing sleeve includes: A sleeve, the sleeve being sleeved on the main body, the sleeve having a third end adjacent to the first end of the main body; A plurality of first fixing spring sheets and a plurality of second fixing spring sheets, wherein the plurality of the first fixing spring sheets and the plurality of the second fixing spring sheets are alternately arranged at second intervals and surround the third end of the sleeve body, each of the first fixing spring sheets is correspondingly arranged at the first interval between adjacent first spring sheets and covers the adjacent first spring sheets, and each of the second fixing spring sheets is correspondingly covered on the second spring sheets.

6. The connector female terminal according to claim 5, characterized in that: A first fixing portion is disposed at one end of each of the first fixing elastic sheets away from the sleeve body, and the first fixing portion covers the first clamping portion of the adjacent first elastic sheet.

7. The connector female terminal according to claim 5, characterized in that: A second fixing portion is disposed at one end of each of the second fixing elastic sheets away from the sleeve body, and the second fixing portion covers the second clamping portion of the second elastic sheet.

8. The connector female terminal according to claim 5, characterized in that: The sleeve body is provided with a second slot, a third elastic sheet is provided in the second slot, the third elastic sheet has a third connecting end and a third free end opposite to each other, the third connecting end is connected to the side wall of the second slot, and the third free end expands outward in a direction away from the central axis of the connecting cavity; And / or, the main body is provided with a limiting groove, the sleeve is provided with a limiting member, and the limiting member is clamped in the limiting groove.

9. The connector female terminal according to any one of claims 1 to 8, characterized in that: The main body has a second end opposite to the first end, and the second end of the main body is provided with a wiring structure.

10. A connector, characterized in that: include: The connector female terminal according to any one of claims 1 to 9.

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