在电子器件中，插针是电气连接件优先域中常用的工具，而且插针广泛应用于电子、电器、仪表中的PCB电路板中，其作用是在电路内被阻断处或孤立不通的电路之间，起到桥梁的功能，担负起电流或信号传输的任务，但是现有技术中，电子器件用的插针大多为普通的固定结构插针，存在以下不足之处问题：
普通的固定结构插针，不能够改变插针的长度，以适应不同场合的使用，从而给人们的使用带来了麻烦;一般的固定结构插针的结构过小，不方便人们进行拿取，不利于人们的操作使用。
为了克服现有技术方案的不足, 本实用新型提供一种可改变长度的插针，既解决了普通的固定结构插针带来的使用问题，又大大增加了插针的可使用度，增加施工效率，为施工提供更大的方便，方便人们进行拿取，而且方便安装操作使用，能有效的解决背景技术提出的问题。
本实用新型解决其技术问题所采用的技术方案是：一种可改变长度的插针，包括插针座盘和插针柱，所述插针柱通过压紧盘固定安装于插针座盘的上侧表面上，并且所述插针柱的顶部对称安装有四个扇形夹环，四个所述扇形夹环的底端中心设置有调节槽孔，并且所述扇形夹环的外侧套有锁限套盖，所述调节槽孔的中间连接有伸缩插针，所述伸缩插针穿过扇形夹环和锁限套盖延长到插针柱的外部，并且所述伸缩插针的内侧端上设置有外螺纹，而所述调节槽孔的内侧表面上设置有与其相对应的内螺纹，所述插针座盘为圆台结构，并且所述插针座盘的底侧表面上安装有接针套座，所述接针套座的中间设置为接线圆柱筒，并且所述接线圆柱筒的外侧设置有防护橡胶垫圈。
作为本实用新型一种有选的技术方案，所述扇形夹环所对应的圆心角为90度，并且四个所述扇形夹环顶端在挤压时形成的通孔半径比伸缩插针小2mm。
作为本实用新型一种有选的技术方案，所述锁限套盖包括圆台盖板和圆柱底座，所述圆台盖板顶部的通孔半径比伸缩插针大2mm，并且所述圆台盖板的长度比扇形夹环的长度短5mm，所述圆柱底座的内侧设置有外压螺纹，并且所述插针柱的顶侧圆柱侧面上设置有与外压螺纹相对应的内压螺纹。
作为本实用新型一种有选的技术方案，所述调节槽孔为圆柱形结构，并且所述调节槽孔的半径大伸缩插针的半径0.5mm。
作为本实用新型一种有选的技术方案，所述插针柱、扇形夹环、伸缩插针和接线圆柱筒均采用弹簧钢制成，并且所述插针座盘、压紧盘和锁限套盖均采用硅橡胶制成。
本实用新型在插针柱上设置有调节槽孔，能够通过旋转伸缩插针利用螺纹，以调节伸缩插针与插针柱之间的相对距离，从而起到了改变插针的长度作用，以适应不同场合的使用需求，进而提高了该可改变长度的插针使用范围，并且还具有锁限套盖和扇形夹环，能够将伸缩插针牢牢压紧，以免插针在使用中发生位移，还方便人们的操作使用，并且还具有插针座盘，能够方便人们进行拿取，而且结构大一些，方便人们观察，减少了人们去寻找插针的麻烦，从而提高了人们插针的工作效率，还具有接线圆柱，方便人们进行插针信号之间的传递。
In electronic devices, pin is a common tool in the field of electrical connectors, and pin is widely used in PCB circuit board of electronics, electrical appliances and instruments. Its function is to play a bridge function between blocked or isolated circuits in the circuit, and to take on the task of current or signal transmission. However, in the existing technology, most pins used in electronic devices are common The fixed structure pin has the following defects:
The ordinary fixed structure pin cannot change the length of the pin to adapt to different occasions, which brings troubles to people's use; the structure of the general fixed structure pin is too small, which is not convenient for people to take, and is not conducive to people's operation and use.
In order to overcome the shortcomings of the existing technical scheme, the utility model provides a pin with variable length, which not only solves the use problems caused by the ordinary fixed structure pin, but also greatly increases the use degree of the pin, increases the construction efficiency, provides greater convenience for construction, facilitates people to take it, and is convenient for installation, operation and use, and effectively solves the background technology The problem.
The technical solution adopted by the utility model to solve the technical problem is: a pin with variable length, including a pin holder disc and a pin post, the pin post is fixedly installed on the upper surface of the pin holder disc through a pressing disc, and the top of the pin post is symmetrically installed with four sector clamping rings, the bottom center of the four sector clamping rings is provided with an adjustment slot, and the The outer side of the fan-shaped clamping ring is sleeved with a locking cover, and the middle of the regulating slot hole is connected with an expansion pin, the expansion pin passes through the fan-shaped clamping ring and the locking cover and extends to the outer side of the pin column, and the inner end of the expansion pin is provided with an outer thread, while the inner surface of the regulating slot hole is provided with an inner thread corresponding to the inner thread, and the pin seat plate is a circular platform structure And the bottom side surface of the pin seat plate is provided with a pin socket, the middle of the pin socket is provided with a wiring cylinder, and the outer side of the wiring cylinder is provided with a protective rubber washer.
As an optional technical scheme of the utility model, the center angle of the sector clamp ring is 90 degrees, and the through hole radius formed at the top of the four sector clamp rings during extrusion is 2mm smaller than that of the expansion pin.
As an optional technical solution of the utility model, the locking cover includes a round table cover plate and a cylindrical base, the through hole radius at the top of the round table cover plate is 2mm larger than the expansion pin, and the length of the round table cover plate is 5mm shorter than the length of the sector clamp ring, the inner side of the cylindrical base is provided with an external pressure thread, and the top side of the pin column is provided with an external pressure thread on the cylindrical side The internal pressure thread corresponding to the thread.
As an optional technical solution of the utility model, the regulating slot hole is of cylindrical structure, and the radius of the regulating slot hole is 0.5mm larger than that of the expansion pin.
As an optional technical scheme of the utility model, the pin post, sector clamp ring, expansion pin and wiring cylinder are all made of spring steel, and the pin seat plate, pressing plate and locking cover are all made of silicon rubber.
The utility model is provided with an adjusting slot hole on the pin column, which can adjust the relative distance between the extension pin and the pin column by rotating the thread of the extension pin, thus changing the length of the pin to meet the use requirements of different occasions, thus improving the use range of the pin with variable length, and also has a locking sleeve cover and a fan-shaped clamping ring, which can The retractable pin is firmly pressed to avoid the displacement of the pin in use. It is also convenient for people's operation and use. It also has a pin holder plate, which is convenient for people to take, larger structure, convenient for people to observe, reduces the trouble for people to find the pin, improves the working efficiency of people's pin, and has a connecting cylinder, which is convenient for people to carry out pin information Passing between numbers.
