Wiring terminal and connector thereof

Abstract

The utility model discloses a wiring terminal and a connector thereof, and relates to the technical field of electrical elements, the wiring terminal comprises a first terminal and a second terminal, one end of the first terminal is provided with a plurality of first leaf springs, the plurality of first leaf springs are enclosed to form a first connecting cavity, and a central needle is arranged in the first connecting cavity; the second terminal is provided with a connecting pin and a plurality of second leaf springs, the second leaf springs are located at one end of the connecting pin, the second leaf springs define a second connecting cavity, the connecting pin is inserted into the first connecting cavity, and the connecting pin is inserted into the second connecting cavity through the center pin, so that the contact area of the first terminal and the second terminal is increased, and the current-carrying capacity of the wiring terminal is improved. The connecting pins elastically abut against the inner walls of the plurality of first leaf springs, and the central pin elastically abuts against the inner wall of the second leaf spring, so that the connection between the first terminal and the second terminal is more stable and reliable, the installation convenience of the first terminal and the second terminal is improved, and the production cost is saved compared with terminals adopting wire springs and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical components, and particularly relates to a wiring terminal and a connector thereof. Background Art

[0002] With the development and application of new energy technologies and the continuous improvement of energy requirements, the requirements for the current-carrying capacity of terminals are also increasing; in a high-current environment, the inability of terminals to carry excessive current may lead to safety hazards such as short circuits and overheating; currently, by changing the jack terminals to line-spring terminals or RADSOK terminals and other terminals, the contact area between the male terminal and the female terminal is increased to improve the current-carrying capacity of the current standard terminals, but the production processes of line-spring terminals, RADSOK terminals and other terminals are complex and the costs are relatively high, which is not conducive to production applications. Content of the Utility Model

[0003] An object of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a wiring terminal, which improves the current-carrying capacity of the wiring terminal and reduces the production cost.

[0004] The utility model also provides a connector having the above-mentioned wiring terminal.

[0005] According to an embodiment of the first aspect of the utility model, a wiring terminal is provided, including: a first terminal and a second terminal, one end of the first terminal is provided with a plurality of first leaf springs, the plurality of first leaf springs are circumferentially spaced apart along the first terminal, and the plurality of first leaf springs enclose a first connection cavity, and a center pin is arranged in the first connection cavity; the second terminal is provided with a connection pin and a plurality of second leaf springs, the plurality of second leaf springs are circumferentially spaced apart along the second terminal, and the plurality of second leaf springs enclose a second connection cavity, the second leaf springs are located at one end of the connection pin, the connection pin is inserted into the first connection cavity, and the center pin is inserted into the second connection cavity.

[0006] A terminal block according to the first aspect of the utility model has at least the following beneficial effects: the embodiment is provided with a first terminal and a second terminal, the first terminal is provided with a plurality of first leaf springs, the plurality of first leaf springs are enclosed to form a first connection cavity, a center pin is provided in the first connection cavity, the second terminal is provided with a connection pin and a plurality of second leaf springs, the second leaf spring is located at one end of the connection pin, and the plurality of second leaf springs are enclosed to form a second connection cavity. The electrical connection between the first terminal and the second terminal is realized by plugging the connection pin into the first connection cavity. The center pin is plugged into the second connection cavity to increase the contact area between the first terminal and the second terminal, thereby improving the current carrying capacity of the terminal block. At the same time, the connection pin is elastically abutted against the inner walls of the plurality of first leaf springs, and the center pin is elastically abutted against the inner walls of the plurality of second leaf springs, so that the connection between the first terminal and the second terminal is more stable and reliable. When the first terminal and the second terminal are docked at one time, the connection pin can be directly plugged into the first connection cavity, and the center pin can be directly plugged into the second connection cavity, thereby improving the convenience and efficiency of the installation of the first terminal and the second terminal, and saving production costs compared with terminals such as wire springs.

[0007] According to the wiring terminal described in the first aspect of the utility model, the ends of the plurality of first leaf springs away from the center needle are gathered toward the center line of the first terminal.

[0008] According to the wiring terminal described in the first aspect of the utility model, ends of a plurality of the second leaf springs away from the connecting pins are gathered toward the center line of the second terminal.

[0009] According to a wiring terminal described in the first aspect of the utility model, a first installation cavity is provided at one end of the first connection cavity away from the center pin, and an inner diameter of the first installation cavity gradually increases in a direction away from the center pin.

[0010] According to a wiring terminal described in the first aspect of the utility model, a second installation cavity is provided at one end of the second connection cavity away from the connection pin, and an inner diameter of the second installation cavity gradually increases in a direction away from the connection pin.

[0011] According to a wiring terminal described in the first aspect of the utility model, the first terminal is provided with a mounting hole, the mounting hole is connected to the first connecting cavity, and the center pin is inserted into the mounting hole and extends to the first connecting cavity.

[0012] According to the wiring terminal described in the first aspect of the utility model, there is an interference fit between the center pin and the mounting hole.

[0013] According to a wiring terminal described in the first aspect of the utility model, a cable cavity is provided at one end of the first terminal away from the first connecting cavity, the cable cavity is connected to the mounting hole, and the cable cavity is used to install the wire.

[0014] According to a wiring terminal described in the first aspect of the utility model, a mounting groove is provided at one end of the cable cavity close to the mounting hole, and a mounting block is provided at the end of the center needle away from the first connecting cavity, and the mounting block abuts against the axial end face of the mounting groove to ensure the positioning of the center needle in the axial direction of the first terminal.

[0015] According to the connector of the embodiment of the second aspect of the utility model, it includes a terminal block of the embodiment of the first aspect. It has at least the following beneficial effects: the connector adopts the above-mentioned terminal block, and the electrical connection between the first terminal and the second terminal is realized by inserting the connecting pin into the first connecting cavity. The center pin is inserted into the second connecting cavity to increase the contact area between the first terminal and the second terminal, thereby improving the current carrying capacity of the terminal block. At the same time, the connecting pin elastically abuts against the inner walls of several first leaf springs, and the center pin elastically abuts against the inner wall of the second leaf spring, so that the connection between the first terminal and the second terminal is more stable and reliable, and the installation convenience and efficiency of the first terminal are improved to make the installation of the second terminal more convenient and efficient, and compared with the use of terminals such as wire springs, the production cost is saved.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 This is a schematic diagram of the structure of a wiring terminal in an embodiment of the utility model;

[0019] Figure 2 for Figure 1 A partial enlarged view of the A part;

[0020] Figure 3 This is an isometric view of the first terminal in the embodiment of the utility model;

[0021] Figure 4 is a cross-sectional view of a first terminal in an embodiment of the utility model;

[0022] Figure 5 It is an isometric view of the second terminal in the embodiment of the utility model.

[0023] Reference numerals:

[0024] First terminal 100; first leaf spring 110; first connection cavity 120; first mounting cavity 121; center pin 130; mounting block 131; mounting hole 140; cable cavity 150; mounting groove 160;

[0025] Second terminal 200; second leaf spring 210; connection pin 220; second connection cavity 230; second installation cavity 231. Detailed implementation mode

[0026] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the protection scope of the present invention.

[0027] In the description of the present invention, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation on the present invention.

[0028] In the description of the present invention, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0029] In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection, etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0030] Referring to Figure 1 and Figure 2 , an embodiment of the present invention provides a wiring terminal, including a first terminal 100 and a second terminal 200. One end of the first terminal 100 is provided with a plurality of first leaf springs 110. The plurality of first leaf springs 110 are arranged at intervals along the circumferential direction of the first terminal 100. The plurality of first leaf springs 110 enclose to form a first connection cavity 120, and a center pin 130 is arranged in the first connection cavity 120. The second terminal 200 is provided with a connection pin 220 and a plurality of second leaf springs 210. The plurality of second leaf springs 210 are distributed at intervals along the circumferential direction of the second terminal 200. The plurality of second leaf springs 210 enclose to form a second connection cavity 230. The second leaf springs 210 are located at one end of the connection pin 220, and the second leaf springs 210 extend outward along the axial direction of the second terminal 200 from one end of the connection pin 220.

[0031] The electrical connection between the first terminal 100 and the second terminal 200 is achieved by plugging the connecting pin 220 into the first connecting cavity 120 and the connecting pin 220 contacts the inner wall of the first leaf spring 110. The center pin 130 is plugged into the second connecting cavity 230 and contacts the inner wall of the second leaf spring 210 to increase the contact area between the first terminal 100 and the second terminal 200 and improve the current carrying capacity of the terminal. When the connecting pin 220 is plugged into the first connecting cavity 120, the center pin 130 is plugged into the second connecting cavity 230; by plugging the first terminal 100 and the second terminal 200 once, the connecting pin 220 can be plugged into the first connecting cavity 120, and the center pin 130 is plugged into the second connecting cavity 230, which improves the installation convenience and efficiency of the first terminal 100 and the second terminal 200, and saves production costs compared to terminals such as wire springs.

[0032] It can be understood that the first terminal 100 and the second terminal 200 are respectively provided with a center line, the direction around the center line is the circumferential direction, and the direction along the center line is the axial direction.

[0033] Reference Figure 3 and Figure 4 In some embodiments of the utility model, the ends of the first leaf springs 110 away from the center needle 130 are gathered toward the center line of the first terminal 100, so that the connecting needle 220 elastically abuts against the inner walls of the first leaf springs 110. By elastically abutting the connecting needle 220 against the inner walls of the first leaf springs 110, the connection between the connecting needle 220 and the first leaf spring 110 is facilitated, and the wear between the connecting needle 220 and the first leaf spring 110 caused by plugging, pulling, impact and vibration is reduced, so that the connection between the connecting needle 220 and the first leaf spring 110 is more stable and reliable; the first leaf springs 110 can be suitable for connecting needles 220 of different diameters, and a certain degree of precision error can be allowed in the manufacturing of the connecting needle 220 and the first leaf spring 110, so as to improve the applicability of the connecting needle 220 and the first leaf spring 110. By elastically abutting the connecting needle 220 against the inner wall of the first leaf spring 110, the first terminal 100 and the second terminal 200 can maintain good connection performance in a vibration environment, thereby improving environmental adaptability.

[0034] Reference Figure 2 and Figure 5, in some embodiments of the present utility model, the ends of several second leaf springs 210 away from the connection pin 220 converge towards the center line of the second terminal 200, so that the center pin 130 can elastically abut against the inner walls of the several second leaf springs 210. By elastically abutting the center pin 130 against the inner walls of the several second leaf springs 210, it is convenient for the connection between the center pin 130 and the second leaf springs 210, reducing the wear between the center pin 130 and the second leaf springs 210 caused by plugging and unplugging, impact, and vibration, making the connection between the center pin 130 and the second leaf springs 210 more stable and reliable; the several second leaf springs 210 can be applicable to center pins 130 with different diameters, and can allow a certain degree of precision error in the manufacturing of the center pin 130 and the second leaf springs 210, improving the applicability of the center pin 130 and the first leaf spring 110. By elastically abutting the center pin 130 against the inner wall of the second leaf spring 210, the first terminal 100 and the second terminal 200 can maintain good connection performance in a vibrating environment, improving the environmental adaptability.

[0035] Refer to Figure 3 and Figure 4 , in some embodiments of the present utility model, a first installation cavity 121 is provided at one end of the first connection cavity 120 facing away from the center pin 130, and the inner diameter of the first installation cavity 121 gradually increases in the direction away from the center pin 130. The connection pin 220 enters the first connection cavity 120 from the first installation cavity 121. By the inner diameter of the first installation cavity 121 gradually increasing in the direction away from the center pin 130, it is convenient for the connection pin 220 to enter the first installation cavity 121, and then it is convenient for the connection pin 220 to be inserted into the first connection cavity 120, improving the connection efficiency between the connection pin 220 and the several first leaf springs 110.

[0036] Refer to Figure 2 , in some embodiments of the present utility model, a second installation cavity 231 is provided at one end of the second connection cavity 230 facing away from the connection pin 220, and the inner diameter of the second installation cavity 231 gradually increases in the direction away from the center pin 130. The center pin 130 enters the second connection cavity 230 from the second installation cavity 231. By the inner diameter of the second installation cavity 231 gradually increasing in the direction away from the connection pin 220, it is convenient for the center pin 130 to enter the second installation cavity 231, and then it is convenient for the center pin 130 to be inserted into the second connection cavity 230, improving the connection efficiency between the center pin 130 and the several second leaf springs 210.

[0037] Refer to Figure 4 , in some embodiments of the present utility model, the first terminal 100 is provided with an installation hole 140, the installation hole 140 communicates with the first connection cavity 120, and the center pin 130 is inserted into the installation hole 140 and extends into the first connection cavity 120. By inserting the center pin 130 into the installation hole 140, the installation of the center pin 130 is realized, without other installation accessories, simplifying the installation of the center pin 130.

[0038] It can be understood that the center pin 130 can be press-fitted into the mounting hole 140, and an interference fit is provided between the center pin 130 and the mounting hole 140 to achieve the fixed connection between the center pin 130 and the first terminal 100, simplifying the assembly of the center pin 130 and the first terminal 100.

[0039] It can be understood that a threaded connection can be provided between the center pin 130 and the mounting hole 140 to achieve the detachable connection between the center pin 130 and the mounting hole 140, facilitating replacement when the center pin 130 is damaged. The specific connection manner between the center pin 130 and the mounting hole 140 can be selected according to actual production applications, and the present application does not limit this here.

[0040] Refer to Figure 4 , in some embodiments of the present utility model, a cable cavity 150 is provided at one end of the first terminal 100 facing away from the first connection cavity 120. The cable cavity 150 communicates with the mounting hole 140, and the cable cavity 150 is used for installing an electric wire to achieve the connection between the first terminal 100 and the cable.

[0041] Refer to Figure 4 , in some embodiments of the present utility model, a mounting groove 160 is provided at one end of the cable cavity 150 close to the mounting hole 140, and a mounting block 131 is provided at one end of the center pin 130 facing away from the first connection cavity 120. The mounting block 131 abuts against the axial end face of the mounting groove 160 to position the center pin 130 in the axial direction of the first terminal 100, facilitating the installation and positioning of the center pin 130.

[0042] An embodiment of the second aspect of the present utility model provides a connector, including a wiring terminal in the embodiment of the first aspect.

[0043] Since the connector adopts all the technical solutions of a connector in the above embodiment, it has at least all the beneficial effects brought by the technical solutions of the above embodiment, which will not be elaborated here.

[0044] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0045] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A terminal block, characterized in that: include: A first terminal, wherein a plurality of first leaf springs are disposed at one end of the first terminal, the plurality of first leaf springs are spaced apart along the circumference of the first terminal, the plurality of first leaf springs enclose a first connecting cavity, and a center needle is disposed in the first connecting cavity; The second terminal is provided with a connecting needle and a plurality of second leaf springs, wherein the plurality of second leaf springs are distributed at intervals along the circumference of the second terminal, and the plurality of second leaf springs enclose a second connecting cavity, wherein the second leaf spring is located at one end of the connecting needle, the connecting needle is plugged into the first connecting cavity, and the center needle is plugged into the second connecting cavity.

2. A terminal block according to claim 1, characterized in that: Ends of a plurality of the first leaf springs that are away from the center needle are gathered toward the center line of the first terminal.

3. A terminal block according to claim 1, characterized in that: Ends of a plurality of the second leaf springs that are away from the connecting pins are gathered toward the center line of the second terminal.

4. A terminal block according to claim 1, characterized in that: A first installation cavity is provided at one end of the first connecting cavity away from the center needle, and the inner diameter of the first installation cavity gradually increases in a direction away from the center needle.

5. A terminal block according to claim 1, characterized in that: A second installation cavity is provided at one end of the second connecting cavity away from the connecting needle, and the inner diameter of the second installation cavity gradually increases along the direction away from the connecting needle.

6. A terminal block according to claim 1, characterized in that: The first terminal is provided with a mounting hole, the mounting hole is communicated with the first connecting cavity, and the center pin is plugged into the mounting hole and extends to the first connecting cavity.

7. A terminal block according to claim 6, characterized in that: The center pin and the mounting hole are in interference fit.

8. A terminal block according to claim 7, characterized in that: A cable cavity is provided at one end of the first terminal away from the first connecting cavity. The cable cavity is connected to the mounting hole and is used for mounting electric wires.

9. A terminal block according to claim 8, characterized in that: An installation groove is provided at one end of the cable cavity close to the installation hole, and a installation block is provided at one end of the center needle away from the first connecting cavity. The installation block abuts against the axial end surface of the installation groove to ensure the positioning of the center needle in the axial direction of the first terminal.

10. A connector comprising a connection terminal as claimed in any one of claims 1 to 9.

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