Wiring terminal
By introducing a trigger and locking part into the terminal block design, the problem of loosening caused by the short wire segment of the elastic clamp is solved, resulting in a more stable wire connection and enhancing the reliability and stability of the electrical connection.
Patent Information
- Application Number
- CN202520130501.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-20
AI Technical Summary
In traditional terminal blocks, the clamping section of the elastic element is set too short, which can easily cause the wire to come loose and the connection to be unreliable.
A terminal block is designed, comprising a housing, a trigger part, a locking part, and an elastic clamping part. When a wire is inserted, pressure is applied to the trigger part, which drives the locking part to move, causing the elastic clamping part to switch from the unlocked position to the locked position, ensuring that the wire is securely clamped.
It improves the reliability and stability of wire connections, enabling stable contact between wires and between wires and equipment under complex mechanical stress and environmental factors, thus reducing the risk of loosening.
Smart Images
Figure CN223956867U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a wiring device technical field, concretely relates to a wiring terminal. BACKGROUND
[0002] Wiring terminal is electrical connection element, and is widely applied in electronic equipment, power system, control system and communication network etc. fields, is the key medium of reliable connection of electric wire and electric wire, electric wire and equipment. Its working principle is to utilize copper alloy conductor piece transmission current or signal, relies on own physical structure, makes wire still under mechanical stress and environmental factor interference can keep stable contact. In internal structure, elastic piece is very crucial, from cross section, elastic piece one end is in terminal shell inner wall near wire insertion side, fixes with riveting or carding mode, other end is free end, presents the arc shape that extends to terminal center, is convenient for with wire and current-carrying body cooperation.
[0003] Wiring terminal is convenient for wire connection, and simplifies circuit installation and maintenance process. But traditional wiring terminal has following disadvantages, wire insertion can push open elastic piece, makes elastic piece lock catch open, wire clamping arm rebound and current-carrying body clamp wire to realize intercommunication. If wire is thicker, clamping segment is short, is easy to retreat and disengage under external force, and connection reliability is greatly discounted. CONTENT OF UTILITY MODEL
[0004] Therefore, the utility model provides a wiring terminal to solve or improve the problem that the clamping segment of the elastic piece is too short in the prior art, which can cause retreat and disengagement and unreliable connection.
[0005] The utility model provides a wiring terminal, which comprises:
[0006] A shell is provided with a connecting channel suitable for wire insertion;
[0007] An elastic piece is arranged in the shell, and the elastic piece comprises a trigger part, a locking part and an elastic clamping part;
[0008] The trigger part is arranged in the connecting channel, the locking part is connected with the trigger part, and the trigger part can drive the locking part to move when the trigger part moves, the connecting end of the elastic clamping part is connected with the trigger part or the locking part, and the elastic clamping part has an unlocking position and a locking position, when the elastic clamping part is in the unlocking position, the clamping end of the elastic clamping part abuts against the surface of the locking part away from the connecting channel, when the trigger part is subjected to pressure away from the inlet direction of the connecting channel, the trigger part moves toward the inlet direction away from the connecting channel, and the clamping end of the elastic clamping part is separated from the locking part, so that the elastic clamping part moves to the locking position.
[0009] Optionally, the trigger portion comprises a force receiving segment and an arc-shaped transition segment, the force receiving segment is connected to one side of the arc-shaped transition segment, and the connecting ends of the locking portion and the elastic clamping portion are both connected to the other side of the arc-shaped transition segment.
[0010] The distance from the force receiving segment to the entrance of the connecting channel is greater than the distance from the locking portion to the entrance of the connecting channel.
[0011] Optionally, the force receiving segment is arranged perpendicularly to the locking portion.
[0012] Optionally, the elastic clamping portion comprises a clamping body and a connecting arm, the first end of the connecting arm is connected to the arc-shaped transition segment, the second end of the connecting arm is connected to the clamping body, and the locking portion is arranged at an angle to the connecting arm.
[0013] Optionally, the distance from the top of the locking portion to the entrance of the connecting channel is less than the distance from the connecting arm to the entrance of the connecting channel.
[0014] Optionally, the locking portion comprises two locking portions, which are respectively arranged on the two sides of the connecting arm.
[0015] Optionally, the first end of the connecting arm is arranged between the two locking portions, and the two locking portions and the first end are disconnected by cutting.
[0016] Optionally, the clamping body comprises two extension segments, the second end of the connecting arm is arranged between the two extension segments, and the two extension segments and the second end are disconnected by cutting.
[0017] Optionally, the top of the locking portion and the bottom of the clamping body are disconnected by cutting.
[0018] Optionally, the clamping body comprises a connecting plate, a U-shaped elastic arm and a locking plate, when the clamping body is in the unlocking position, the end of the locking plate abuts against the surface of the locking portion which is away from the trigger portion.
[0019] Advantages
[0020] The utility model provides a wiring terminal, include: elastic part, set up in the casing, the elastic part includes trigger part, locking part and elastic clamping part, the trigger part sets up in the connection channel, the locking part is connected with the trigger part, and the trigger part removes can drive the locking part removes, the connecting end of elastic clamping part is connected with the trigger part or locking part, and the elastic clamping part has the unlocking position and locking position, when the elastic clamping part is in the unlocking position, the clamping end of elastic clamping part and the surface of locking part away from the connection channel abuts, when the trigger part is subjected to the pressure of the entrance direction away from the connection channel, the trigger part moves towards the entrance direction away from the connection channel, the clamping end of elastic clamping part and locking part are separated, to make the elastic clamping part move to the locking position.
[0021] The connection channel provided on the shell provides a path for wire insertion. The elastic member is provided with a trigger part, a locking part, and an elastic clamping part. When the wire is inserted into the connection channel and exerts pressure on the trigger part away from the entrance direction, the trigger part drives the locking part to move, causing the clamping end of the elastic clamping part to separate from the locking part and move to the locking position, which can more stably clamp the wire, effectively avoiding the problem of loose connection caused by wire thickness and external force, improving the reliability and stability of wire connection, and ensuring stable connection between wires and devices even under complex mechanical stress and environmental factors. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings described below are some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creative labor.
[0023] Fig. 1 It is a structure schematic diagram of the wiring terminal of the utility model embodiment;
[0024] Fig. 2 It is a structure schematic diagram of the elastic member of the utility model embodiment;
[0025] Fig. 3 It is a structure schematic diagram of the elastic member in the locking position of the utility model embodiment;
[0026] Fig. 4 It is a structure schematic diagram of the elastic member in the unlocking position of the utility model embodiment.
[0027] BRIEF DESCRIPTION OF DRAWINGS
[0028] 1, shell; 11, connecting channel; 12, limiting block; 13, current-carrying fluid;
[0029] 2, elastic member; 21, trigger part; 211, stress section; 212, arc transition section; 22, locking part; 23, elastic clamping part; 231, clamping body; 2311, connecting plate; 2312, U-shaped elastic arm; 2313, locking plate; 2314, extension section; 232, connecting arm; 2321, first end; 2322, second end; 24, first cut; 25, second cut; 26, third cut. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0031] The embodiments of the utility model will be described below in combination with Figs. 1 to 4 .
[0032] According to the embodiments of the utility model, a wiring terminal is provided, which comprises:
[0033] The shell 1 is provided with a connecting channel 11 suitable for wire insertion;
[0034] The elastic member 2 is arranged in the shell 1, and the elastic member 2 comprises a trigger part 21, a locking part 22 and an elastic clamping part 23;
[0035] The trigger part 21 is arranged in the connecting channel 11, the locking part 22 is connected with the trigger part 21, and the trigger part 21 can drive the locking part 22 to move when the trigger part 21 moves, the connecting end of the elastic clamping part 23 is connected with the trigger part 21 or the locking part 22, and the elastic clamping part 23 has an unlocking position and a locking position, when the elastic clamping part 23 is in the unlocking position, the clamping end of the elastic clamping part 23 abuts against the surface of the locking part 22 facing away from the connecting channel 11, when the trigger part 21 is subjected to pressure in the direction away from the entrance of the connecting channel 11, the trigger part 21 moves in the direction away from the entrance of the connecting channel 11, and the clamping end of the elastic clamping part 23 is separated from the locking part 22, so that the elastic clamping part 23 moves to the locking position.
[0036] It is easy to understand that the shell 1 is made of insulating material, which can effectively block the current and prevent it from conducting on the surface of the shell 1, thereby reducing the risk of short circuit caused by the conduction of the shell 1 and ensuring the safety of electrical equipment and personnel around the wiring terminal.
[0037] Need to explain, in this embodiment, the elastic piece 2 is selected by metal elastic sheet. The metal elastic sheet material usually has good elasticity and recovery ability.
[0038] Need to explain, in this embodiment, the connecting end of the elastic clamping part 23 is connected with the trigger part 21, and in other embodiments, the connecting end of the elastic clamping part 23 can be directly connected with the locking part 22.
[0039] The wiring terminal provided by the embodiment of the utility model, the connecting channel 11 provided on the shell 1 provides a path for the wire insertion. The elastic piece 2 is provided with a trigger part 21, a locking part 22 and an elastic clamping part 23. When the wire insertion exerts pressure on the trigger part 21 in the direction away from the entrance, the trigger part 21 drives the locking part 22 to move, so that the clamping end of the elastic clamping part 23 is separated from the locking part 22 and moves to the locking position, which can more stably clamp the wire and effectively avoid the connection loosening problem caused by the wire thickness and external force, greatly improve the reliability and stability of the wire connection, even under the interference of complex mechanical stress and environmental factors, it can also ensure the stability between the wires and the equipment.
[0040] Further, the trigger part 21 includes a stress section 211 and an arc transition section 212, the stress section 211 is connected on one side of the arc transition section 212, and the connecting end of the locking part 22 and the elastic clamping part 23 is connected on the other side of the arc transition section 212.
[0041] Need to explain, the arc transition section 212 can disperse and transform the wire insertion force, so that the stress section 211 can be deeper, the wire insertion depth is increased, and the elastic sheet is prevented from being clamped on the wire end. Otherwise, vibration is easy to make the elastic sheet separate, so that the connection is invalid. The design ensures that the elastic sheet and the wire are in stable contact, enhances the stability and durability under complex working conditions, protects the electrical equipment operation, improves the performance and reliability of the wiring terminal, and has scientificity and practicality.
[0042] Among them, the distance from the stress section 211 to the entrance of the connecting channel 11 is greater than the distance from the locking part 22 to the entrance of the connecting channel 11.
[0043] It is easy to understand that the distance from the stress section 211 to the entrance of the connecting channel 11 is greater than the distance from the locking part 22 to the entrance of the connecting channel 11, so that the length of the connecting channel 11 is longer when the wire is inserted, and the wire will first contact the stress section 211 when inserted. With the structural characteristics of the arc-shaped transition section 212, the pushing force during wire insertion can be converted into the moving force of the trigger part 21 as a whole, effectively avoiding the structural damage or false triggering caused by direct impact on the locking part 22, thereby improving the durability and stability of the terminal.
[0044] Further, the stress section 211 is arranged perpendicularly to the locking part 22.
[0045] It is easy to understand that the perpendicular structure can realize efficient force transmission. The force acting on the stress section 211 during wire insertion is transmitted to the locking part 22 through the arc-shaped transition section 212, so that the response of the locking part 22 is rapid and accurate, improving the timeliness and accuracy of the position switching of the elastic clamping part 23, thereby enhancing the clamping stability of the wire and effectively reducing the risk of wire loosening.
[0046] Further, the elastic clamping part 23 comprises a clamping body 231 and a connecting arm 232, the first end 2321 of the connecting arm 232 is connected to the arc-shaped transition section 212, the second end 2322 of the connecting arm 232 is connected to the clamping body 231, and the locking part 22 is arranged at an angle with the connecting arm 232.
[0047] It is easy to understand that in terms of stability, the connecting arm 232 connects the arc-shaped transition section 212 and the clamping body 231, ensuring efficient force conduction and accuracy of clamping action, making the wire clamping more stable, reducing the risk of poor contact caused by loosening, and improving the stability of electrical connection.
[0048] Optionally, in this embodiment, in order to ensure the triggering agility of the locking part 22, the included angle between the locking part 22 and the connecting arm 232 is about 90°; in other embodiments, the included angle can also be set to other angles according to the actual application scene, as long as the flexible triggering of the locking part 22 is ensured.
[0049] Further, the distance from the top of the locking part 22 to the entrance of the connecting channel 11 is less than the distance from the connecting arm 232 to the entrance of the connecting channel 11.
[0050] It should be noted that the distance between the top of the locking portion 22 and the entrance of the connecting channel 11 is less than the distance between the connecting arm 232 and the entrance of the connecting channel 11, so as to realize the arrangement of the locking portion 22 and the connecting arm 232 at an angle of about 90°. The approximately right-angled structure forms a stable L-shaped corner between the locking portion 22 and the connecting arm 232, which can accurately and firmly clamp the end of the spring sheet. In actual application scenarios, especially when the terminal is subjected to external forces such as vibration and impact, the traditional connecting structure may cause loose connection or even disconnection due to the inability to effectively limit the displacement of the spring sheet, thereby causing electrical connection failure and affecting the normal operation of the entire electrical system. The arrangement at an angle of about 90° provides reliable fixing effect for the end of the spring sheet, and fundamentally suppresses unnecessary displacement of the spring sheet caused by external interference, thereby ensuring that the wire and the terminal always maintain a close and stable connection state.
[0051] Further, the locking portion 22 is two, which are respectively located on both sides of the connecting arm 232.
[0052] It is easy to understand that the arrangement of the two locking portions 22 on both sides of the connecting arm 232 improves the fixing effect of the end of the spring sheet. Compared with the traditional single locking structure, the double-sided locking portion 22 can form a stable clamping force on the end of the spring sheet from two directions, effectively dispersing the external force on the spring sheet, so that the spring sheet can still be firmly fixed at the predetermined position when subjected to complex working conditions such as vibration and impact, thereby reducing the risk of the spring sheet being separated.
[0053] Further, the first end 2321 of the connecting arm 232 is arranged between the two locking portions 22, and the two locking portions 22 and the first end 2321 are cut off.
[0054] It should be noted that the two locking portions 22 are cut to form a first cut 24, and the first end 2321 of the connecting arm 232 is bent from the cut part.
[0055] It is easy to understand that the arrangement of the first cut 24 not only ensures the tightness and stability of the connection between the connecting arm 232 and the locking portion 22, but also realizes effective conduction and dispersion of force in the mechanical structure. When the trigger portion 21 is subjected to the pressure of the wire insertion, the locking portion 22 can respond quickly and accurately, and uniformly transmit the force to the elastic clamping portion 23, thereby ensuring the consistency and reliability of the clamping action, enhancing the clamping force of the wire, effectively preventing the wire from loosening, and improving the stability of the electrical connection.
[0056] Further, the clamping body 231 includes two extension segments 2314, the second end 2322 of the connecting arm 232 is arranged between the two extension segments 2314, and the two extension segments 2314 and the second end 2322 are cut off.
[0057] Need to explain, two extension section 2314 cutting after the formation of the second cutting 25, the second end of the connecting arm 2322 by cutting out the part of the fold.
[0058] Easy to understand, the second cutting 25, give the clamping body 231 better stability and integrity.
[0059] Further, the top of the locking portion 22 and the bottom of the clamping body 231 by cutting off.
[0060] Easy to understand, the top of the locking portion 22 and the bottom of the clamping body 231 cutting after the formation of the third cutting 26. In the process of wiring, when the trigger portion 21 action, the separation structure design can avoid unnecessary interference between the locking portion 22 and the clamping body 231, so that the locking portion 22 can accurately control the locking and unlocking position of the clamping body 231, improve the response speed and action precision of the whole elastic piece 2 structure, ensure the efficient and stable of each time the wire connection, reduce the risk of failure caused by friction or jam between the parts, provide a strong guarantee for the long-term stable operation of the electrical system.
[0061] Need to explain, the elastic piece 2 is integrally cast into shape. By setting the first cutting 24, the second cutting 25 and the third cutting 26 in a specific position, the original plate is divided, and then after the bending process, the elastic piece 2 with complex structure and exquisite function is shaped. Integrally cast into shape combined with cutting and bending process, ensures the uniformity of the material quality and the structural integrity of each part of the elastic piece 2, effectively avoids the possible weak connection of traditional splicing structure, enhances the overall strength and stability of the elastic piece 2.
[0062] Further, the clamping body 231 includes a connecting plate 2311, a U-shaped elastic arm 2312 and a locking plate 2313, when the clamping body 231 is in the unlocking position, the end of the locking plate 2313 abuts against the surface of the locking portion 22 away from the trigger portion 21.
[0063] It should be noted that the connecting plate 2311 provides stable basic support for the entire clamping body 231, ensuring uniform distribution of force. The U-shaped elastic arm 2312, by virtue of its elastic properties, can adapt to changes in the diameter of the wire during locking and unlocking, exert appropriate clamping force on the wire, and ensure the stability and reliability of electrical connection. The locking plate 2313 abuts against the locking portion 22 when the clamping body 231 is in the unlocked position, not only enhancing the stability of the elastic clamping portion 23 in the unlocked position, preventing it from moving accidentally due to external shocks and other factors, but also making the process from unlocking to locking more precise and controllable. When the locking portion 22 is moved by the force of the triggering portion 21, the separation of the locking plate 2313 and the locking portion 22 enables the clamping body 231 to quickly and accurately switch to the locked position, efficiently clamping the wire, reducing the problem of poor connection caused by inaccurate or delayed clamping action, and further improving the performance of the wiring terminal in complex electrical connection environment.
[0064] Further, the side edge of the locking plate 2313 abutting against the wire is a sharp edge.
[0065] As can be easily understood, the sharp edge design improves the connection performance. When the sharp edge contacts the wire, its sharp shape can pierce the slight oxidation or impurity layer that may exist on the surface of the wire, ensuring a good conductive path and reducing power loss and heating phenomenon. In the case of dealing with dynamic stress of the wire, the sharp edge can form a "occlusal" effect due to its special shape, enhancing the holding force on the wire and effectively resisting the risk of wire displacement or disengagement caused by external forces such as mechanical vibration and pulling, greatly improving the connection stability and reliability.
[0066] In an optional embodiment, the sharp edge can be replaced by a contact surface with a textured or toothed structure. By providing fine texture or small toothed protrusions on the side of the locking plate 2313 abutting against the wire, the connection tightness with the wire is enhanced by the friction of the texture or the embedding effect of the toothed structure, achieving a similar function to the sharp edge.
[0067] Further, the top of the locking portion 22 is provided with a rounded corner near the side of the connecting arm 232.
[0068] It should be noted that the rounded corner can guide the movement trajectory of the locking plate 2313, making the transition more stable and smooth, reducing the connection instability or component damage problems that may be caused by movement jamming, and helping to improve the reliability and stability of the overall operation of the wiring terminal.
[0069] Further, it also includes:
[0070] The limiting block 12 is provided on the side of the locking portion 22 away from the triggering portion 21, and the limiting block 12 is adapted to limit the movement of the locking plate 2313 towards the connecting plate 2311 when the elastic clamping portion 23 is in the unlocked position.
[0071] Need to explain, when the elastic clamping part 23 is in the unlocked position, the limiting block 12 can limit the movement of the locking plate 2313 towards the connecting plate 2311, thereby ensuring the stability and reliability of the entire elastic member 2 structure. It helps to maintain the internal structural integrity of the terminal when the wire is not connected, prevents the elastic clamping part 23 from being displaced accidentally due to external interference or vibration, and avoids problems such as the failure of the clamping position or the misalignment of other structural components. When the wire is inserted, the limiting block 12 can serve as a reference point, making the position switching and movement of the elastic clamping part 23 under the action of the wire more predictable and controllable, ensuring the accuracy of the cooperative work between the elastic clamping part 23 and the locking part 22, improving the response accuracy and reliability of the terminal for wire connection operation, and reducing the risk of electrical connection failure caused by unstable structure.
[0072] In an optional embodiment, a magnetic attraction structure can be provided between the elastic clamping part 23 and the locking part 22 instead of the limiting block 12, which uses the principle of opposite sex attraction to keep the elastic clamping part 23 and the locking part 22 in a relatively stable position relationship in the unlocked position. When the wire is inserted and generates enough force, the elastic clamping part 23 is separated from the unlocked position by overcoming the magnetic force, thereby achieving a similar function of limiting and guiding the movement of the elastic clamping part 23 as the limiting block 12 to meet the needs of the terminal in different application scenarios.
[0073] Further, the side surface of the limiting block 12 close to the locking part 22 is conformally matched with the elastic member 2.
[0074] As can be easily understood, the conformal matching can maximize the contact area between the limiting block 12 and the elastic member 2, thereby evenly distributing the contact stress and effectively avoiding wear, deformation or even damage of the elastic member 2 or the limiting block 12 caused by excessive local stress, greatly prolonging the service life of the two and reducing maintenance costs.
[0075] Further, it also includes:
[0076] The current-carrying body 13 is arranged in the housing 1, and the current-carrying body 13 is adapted to be pushed by the elastic clamping part 23 to deform the cylindrical surface of the wire and abut against the current-carrying body 13 when the elastic clamping part 23 is in the locked position.
[0077] As can be easily understood, the current-carrying body 13 plays a role in realizing electrical connection and ensuring connection stability. It serves as a medium for electrical conduction between wires, and builds a low-resistance path between different wires with good electrical conductivity. The contact part between the current-carrying body 13 and the wire can be gold-plated or silver-plated to ensure close and durable contact. The current-carrying body 13 is fixed in the housing 1 by means of a clamping slot or a screw, etc., to avoid external force, thereby ensuring smooth transmission of electrical energy in each circuit branch.
[0078] Need to explain when the elastic clamping part 23 is in the locking position, the current-carrying fluid 13 cooperates with the elastic clamping part 23, by means of the elastic clamping part 23 pushes the wire to make the cylindrical surface deformation and abuts to it, realizes the close and reliable electrical connection. Can effectively increase the contact area between the wire and the current-carrying fluid 13, thereby reducing the contact resistance, reducing the loss and heating phenomenon of electric energy in the transmission process, improve the efficiency and stability of electrical connection.
[0079] Although the embodiments of the present application are described in conjunction with the drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and changes fall within the scope defined by the appended claims.
Claims
1. A wiring terminal characterized by comprising: The utility model relates to a shell (1) is provided with the connecting channel (11) suitable for the wire insertion on it, the elastic piece (2) is arranged in the shell (1), and the elastic piece (2) includes trigger part (21), locking part (22) and elastic clamping part (23). The trigger part (21) is arranged in the connecting channel (11), the locking part (22) is connected with the trigger part (21), and the trigger part (21) can drive the locking part (22) to move when moving, the connecting end of the elastic clamping part (23) is connected with the trigger part (21) or locking part (22), and the elastic clamping part (23) has an unlocking position and a locking position, when the elastic clamping part (23) is in the unlocking position, the clamping end of the elastic clamping part (23) abuts against the surface of the locking part (22) away from the entrance of the connecting channel (11), when the trigger part (21) is pressed away from the entrance direction of the connecting channel (11), the trigger part (21) moves towards the entrance direction away from the connecting channel (11), and the clamping end of the elastic clamping part (23) is separated from the locking part (22) to make the elastic clamping part (23) move to the locking position. The trigger part (21) includes a force receiving segment (211) and an arc transition segment (212), the force receiving segment (211) is connected to one side of the arc transition segment (212), and the connecting end of the locking part (22) and the elastic clamping part (23) are both connected to the other side of the arc transition segment (212). The distance from the force receiving segment (211) to the entrance of the connecting channel (11) is greater than the distance from the locking part (22) to the entrance of the connecting channel (11).
2. The terminal of claim 1 wherein, The force receiving segment (211) is vertically arranged with the locking part (22). The elastic clamping part (23) includes a clamping body (231) and a connecting arm (232), the first end (2321) of the connecting arm (232) is connected to the arc transition segment (212), the second end (2322) of the connecting arm (232) is connected to the clamping body (231), and the locking part (22) is arranged at an angle with the connecting arm (232).
3. The terminal of claim 2 wherein, The distance from the locking part (22) to the entrance of the connecting channel (11) is less than the distance from the connecting arm (232) to the entrance of the connecting channel (11).
4. The terminal of claim 3 wherein, The locking part (22) is two, and is arranged on both sides of the connecting arm (232).
5. The terminal of claim 4 wherein, The first end (2321) of the connecting arm (232) is arranged between the two locking parts (22), and the two locking parts (22) are cut off from the first end (2321).
6. The terminal of claim 5 wherein, The clamping body (231) includes two extension segments (2314), the second end (2322) of the connecting arm (232) is arranged between the two extension segments (2314), and the two extension segments (2314) are cut off from the second end (2322).
7. The terminal of claim 6 wherein, 8. The terminal of claim 7 wherein, 9. The terminal of claim 8 wherein, The top of the locking part (22) is cut off from the bottom of the clamping body (231).
10. The terminal of any one of claims 4 to 9, wherein, The clamping body (231) comprises a connecting plate (2311), a U-shaped elastic arm (2312) and a locking plate (2313) connected in sequence, and the end of the locking plate (2313) abuts against the surface of the locking part (22) away from the connecting channel (11) when the clamping body (231) is in the unlocking position.