CN108963485A - The moisture-proof connecting terminal of self-locking - Google Patents
The moisture-proof connecting terminal of self-locking Download PDFInfo
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- CN108963485A CN108963485A CN201810777631.2A CN201810777631A CN108963485A CN 108963485 A CN108963485 A CN 108963485A CN 201810777631 A CN201810777631 A CN 201810777631A CN 108963485 A CN108963485 A CN 108963485A
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- moisture
- screw thread
- connecting terminal
- sleeve
- self
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
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Abstract
本发明涉及一种自锁式防潮接线端子；包括接线端子连接头、外螺纹楔形套管、内螺纹楔形锁紧套管和防潮护套；所述的接线端子连接头一端与电气设备接口相连接，接线端子连接头的另一端与外螺纹楔形套管的一端相连，外螺纹楔形套管通过外螺纹与内螺纹楔形锁紧套管相连，内螺纹楔形锁紧套管连接有防潮护套，防潮护套与导线绝缘层相匹配；使用简便快捷，大幅度提高了施工检修作业的效率，同时确保了连接缝隙的连接质量和日后长期运行的防腐蚀防老化能力。
The invention relates to a self-locking moisture-proof terminal; it includes a terminal connector, an external thread wedge-shaped sleeve, an internal thread wedge-shaped locking sleeve and a moisture-proof sheath; one end of the terminal connector is connected to an interface of an electrical device , the other end of the terminal connector is connected to one end of the external thread wedge sleeve, the external thread wedge sleeve is connected to the internal thread wedge lock sleeve through the external thread, and the internal thread wedge lock sleeve is connected with a moisture-proof sheath, which is moisture-proof The sheath matches the wire insulation layer; it is easy and quick to use, which greatly improves the efficiency of construction and maintenance operations, and at the same time ensures the connection quality of the connection gap and the anti-corrosion and anti-aging capabilities of long-term operation in the future.
Description
技术领域technical field
本发明涉及一种电力系统连接金具，尤其涉及一种自锁式防潮接线端子，属于电力系统配、变电技术领域。The invention relates to a connecting fitting for a power system, in particular to a self-locking moisture-proof terminal, which belongs to the technical field of power system distribution and transformation.
背景技术Background technique
电力系统配电网中，环网柜、电缆分支箱、真空断路器、负荷开关以及变台开关等设备，都需要与导线终端进行连接。目前导线终端与设备节点连接主要方法是通过接线端子头（俗称线鼻子）进行连接。导线端子采用液压钳进行压接，压接后还需要将毛刺进行打磨，绝缘胶布进行缠绕，程序繁琐，效率低下，而且导线与端子缝隙容易受潮氧化，长期运行会导致节点过热甚至断路，埋下安全隐患。In the distribution network of the power system, equipment such as ring main unit, cable branch box, vacuum circuit breaker, load switch and transformer switch need to be connected to the wire terminal. At present, the main method of connecting the wire terminal to the device node is through the connection terminal head (commonly known as the wire nose). The wire terminals are crimped with hydraulic pliers. After crimping, the burrs need to be polished and the insulating tape is wound. Security risks.
发明内容Contents of the invention
本发明针对上述现有技术中存在的问题，提供了一种自锁式防潮接线端子，解决了现有技术中工艺繁琐、效率低下、可靠性差，同时长期受雨雪、高温等自然环境影响大的问题。Aiming at the problems existing in the above-mentioned prior art, the present invention provides a self-locking moisture-proof terminal, which solves the problem of cumbersome process, low efficiency, and poor reliability in the prior art, and at the same time, it is greatly affected by natural environments such as rain, snow, and high temperature for a long time. The problem.
本发明的技术方案如下：Technical scheme of the present invention is as follows:
自锁式防潮接线端子，包括接线端子连接头、外螺纹楔形套管、内螺纹楔形锁紧套管和防潮护套；所述的接线端子连接头一端与电气设备接口相连接，接线端子连接头的另一端与外螺纹楔形套管的一端相连，外螺纹楔形套管通过外螺纹与内螺纹楔形锁紧套管相连，内螺纹楔形锁紧套管连接有防潮护套，防潮护套与导线绝缘层相匹配。Self-locking moisture-proof terminal, including terminal connector, external thread wedge-shaped sleeve, internal thread wedge-lock sleeve and moisture-proof sheath; one end of the terminal connector is connected to the electrical equipment interface, and the terminal connector is The other end of the external thread wedge-shaped sleeve is connected with one end of the external thread wedge-shaped sleeve, and the external thread wedge-shaped sleeve is connected with the internal thread wedge-lock sleeve through the external thread. The internal thread wedge-lock sleeve is connected with a moisture-proof sheath, and the moisture-proof sheath is insulated from the wire layers match.
所述的接线端子连接头的一端为孔状结构。One end of the connecting head of the terminal is a hole-like structure.
所述的外螺纹楔形套管的外表面呈楔形形状，螺纹设置在其外表面，外螺纹楔形套管内部与导线金属芯可靠连接。The outer surface of the externally threaded wedge-shaped sleeve is wedge-shaped, and threads are arranged on the external surface, and the inside of the externally threaded wedge-shaped sleeve is reliably connected to the wire metal core.
所述的外螺纹楔形套管设有四条缝隙。The externally threaded wedge-shaped sleeve is provided with four slits.
所述的外螺纹楔形套管上的四条缝隙均匀间隔设置。The four slits on the externally threaded wedge-shaped sleeve are evenly spaced.
所述的外螺纹楔形套管的内表面为光滑等径管状结构。The inner surface of the externally threaded wedge-shaped sleeve is a smooth and equal-diameter tubular structure.
所述的内螺纹楔形锁紧套管为内部带有螺纹的管状结构，其螺纹与外螺纹楔形套管上的螺纹相匹配。The internally threaded wedge-locking sleeve is a tubular structure with threads inside, and its thread matches the thread on the externally threaded wedge-shaped sleeve.
所述的防潮护套为内直径不等的管状结构；防潮护套内置有密封垫。The moisture-proof sheath is a tubular structure with different inner diameters; the moisture-proof sheath is built with a sealing gasket.
所述的防潮护套小直径的一端与内螺纹楔形锁紧套管连接为一体，所述的防潮护套大直径的一端与导线绝缘层相接触。The small-diameter end of the moisture-proof sheath is integrally connected with the internal thread wedge-shaped locking sleeve, and the large-diameter end of the moisture-proof sheath is in contact with the wire insulation layer.
本发明的优点效果如下：The advantages and effects of the present invention are as follows:
（1）、首次采用楔形锁紧结构，使用自锁式防潮接线端子连接导线更简单。(1) For the first time, the wedge-shaped locking structure is adopted, and it is easier to use self-locking moisture-proof terminal blocks to connect wires.
（2）、自锁式防潮接线端子使用简便快捷，只需要选择尺寸将导线绝缘层剥除，插入外螺纹楔形套管内，再将内螺纹楔形锁紧套管锁紧即可。(2) The self-locking moisture-proof terminal block is easy and quick to use. You only need to select the size to strip off the insulation layer of the wire, insert it into the wedge-shaped sleeve with external thread, and then lock the wedge-shaped locking sleeve with internal thread.
（3）、防潮护套，确保了连接缝隙的连接质量和日后长期运行的防腐蚀防老化能力。(3) The moisture-proof sheath ensures the connection quality of the connection gap and the anti-corrosion and anti-aging ability of long-term operation in the future.
（4）、满足节点连接紧密可靠的技术要求，适应恶劣的自然环境、更高程度的避免了节点松动、过热等问题的发生。(4) Meet the technical requirements of tight and reliable node connection, adapt to the harsh natural environment, and avoid the occurrence of loose nodes, overheating and other problems to a higher degree.
附图说明Description of drawings
图1为本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
图2为本发明使用状态下的结构示意图。Fig. 2 is a schematic diagram of the structure of the present invention in use.
图中，1、接线端子连接头，2、外螺纹楔形套管，3、内螺纹楔形锁紧套管，4、防潮护套。In the figure, 1. Terminal connector, 2. Wedge-shaped sleeve with external thread, 3. Wedge-lock sleeve with internal thread, 4. Moisture-proof sheath.
具体实施方式Detailed ways
实施例Example
如图所示，自锁式防潮接线端子，包括接线端子连接头1、外螺纹楔形套管2、内螺纹楔形锁紧套管3和防潮护套4；所述的接线端子连接头1的一端为孔状结构，通过孔状结构与电气设备接口相连接，接线端子连接头1的另一端与外螺纹楔形套管2的一端相连，所述的外螺纹楔形套管的外表面呈楔形形状，螺纹设置在其外表面，外螺纹楔形套管内部为光滑等径管状结构，外螺纹楔形套管内部与导线金属芯可靠连接；所述的外螺纹楔形套管上均匀间隔设有四条缝隙，增大弹性，既能避免套管胀裂，又能增强扩张力。外螺纹楔形套管2通过外螺纹与内螺纹楔形锁紧套管3相连，所述的内螺纹楔形锁紧套管为内部带有螺纹的管状结构，其螺纹与外螺纹楔形套管上的螺纹相匹配。内螺纹楔形锁紧套管3连接有防潮护套4，所述的防潮护套为内直径不等的管状结构，防潮护套内置有密封垫。所述的防潮护套小直径的一端与内螺纹楔形锁紧套管连接为一体，所述的防潮护套大直径的一端与导线绝缘层相接触，将导线绝缘层包裹内部，起到防潮的作用。As shown in the figure, the self-locking moisture-proof terminal includes a terminal connector 1, an external thread wedge-shaped sleeve 2, an internal thread wedge-lock sleeve 3 and a moisture-proof sheath 4; one end of the terminal connector 1 It is a hole-like structure, which is connected to the electrical equipment interface through the hole-like structure. The other end of the terminal connector 1 is connected to one end of the externally threaded wedge-shaped sleeve 2. The outer surface of the externally threaded wedge-shaped sleeve is wedge-shaped. The thread is arranged on its outer surface, and the inside of the wedge-shaped sleeve with external thread is a smooth and equal-diameter tubular structure, and the inside of the wedge-shaped sleeve with external thread is reliably connected with the metal core of the wire; the wedge-shaped sleeve with external thread is evenly spaced. Large elasticity can not only avoid casing bursting, but also enhance expansion force. The externally threaded wedge-shaped sleeve 2 is connected with the internally threaded wedge-locked sleeve 3 through the external thread. The internally threaded wedge-shaped sleeve is a tubular structure with threads inside, and its thread is consistent with the thread on the externally threaded wedge-shaped sleeve. match. The internally threaded wedge-locking sleeve 3 is connected with a moisture-proof sheath 4. The moisture-proof sheath is a tubular structure with different inner diameters, and the moisture-proof sheath has a built-in sealing gasket. The small-diameter end of the moisture-proof sheath is connected with the internal thread wedge-locking sleeve as a whole, and the large-diameter end of the moisture-proof sheath is in contact with the wire insulation layer to wrap the wire insulation layer inside to play a moisture-proof role. effect.
所述的内螺纹楔形锁紧套管和外螺纹楔形套管的连接螺纹为同标准普通螺纹。The connecting thread of the internal thread wedge lock sleeve and the external thread wedge sleeve is the same standard common thread.
本发明主要应用了楔形螺纹旋转收缩和防潮结构保护绝缘皮的原理，实现接线端子的免压接式连接和防潮保护功能。使用时，作业人员测量好尺寸，将导线绝缘层剥除，然后将剥除绝缘层的金属芯插入外螺纹楔形套管2，再将内螺纹楔形锁紧套管锁紧即可。接线端子头部分主要与电气设备接口相连接，外螺纹楔形套管和内螺纹楔形锁紧套管主要起到可靠固定导线的作用，防潮护套将导线绝缘层套在里面起到防潮隔绝作用。The present invention mainly applies the principles of wedge-shaped thread rotation shrinkage and moisture-proof structure to protect the insulation skin, and realizes the crimp-free connection and moisture-proof protection function of the terminal. When in use, the operator measures the size, strips off the insulating layer of the wire, then inserts the metal core stripped of the insulating layer into the externally threaded wedge-shaped sleeve 2, and then locks the internally threaded wedge-shaped locking sleeve. The terminal head part is mainly connected with the electrical equipment interface. The external thread wedge sleeve and the internal thread wedge lock sleeve mainly play the role of reliably fixing the wires. The moisture-proof sheath covers the wire insulation layer inside to prevent moisture.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810777631.2A CN108963485A (en) | 2018-07-16 | 2018-07-16 | The moisture-proof connecting terminal of self-locking |
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| CN201810777631.2A CN108963485A (en) | 2018-07-16 | 2018-07-16 | The moisture-proof connecting terminal of self-locking |
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| CN108963485A true CN108963485A (en) | 2018-12-07 |
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| CN201810777631.2A Pending CN108963485A (en) | 2018-07-16 | 2018-07-16 | The moisture-proof connecting terminal of self-locking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355058A (en) * | 2020-03-25 | 2020-06-30 | 广东电网有限责任公司 | A compression terminal |
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Application publication date: 20181207 |
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