Direct insertion type lightning arrester
By adopting a double-clamp structure and guiding design in the surge arrester, combined with zinc oxide electrodes and silicone insulating sleeves, the problems of complex installation and non-compact structure of direct-insertion surge arresters are solved, achieving stable connection and efficient insulation, adapting to harsh environments, and reducing the risk of failure.
Patent Information
- Application Number
- CN202423255061.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-28
AI Technical Summary
Existing direct-insertion surge arresters are complex to install and maintain, prone to failure in severe weather, and have a non-compact structure, making them difficult to deploy in environments with limited space.
The surge arrester connector and housing are connected by a double snap-fit structure. The inner and outer snap-fit structures are set at equal intervals. Combined with the guide strip and guide groove design, zinc oxide electrodes and silicone insulating sleeves are used to ensure connection stability and insulation performance.
While facilitating installation and disassembly, it improves the connection strength and stability of surge arresters, prevents detachment, adapts to harsh environments, reduces production costs, and avoids equipment failures and electrical accidents.
Smart Images

Figure CN223912222U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of lightning arresters, and particularly relates to a straight insertion type lightning arrester. BACKGROUND
[0002] In the prior art, straight insertion type lightning arresters have some problems, such as complex installation and maintenance processes, the need for professional operation, and the likelihood of failure in adverse weather conditions. In addition, the structural design of conventional lightning arresters is often not compact enough, making it difficult to deploy them in environments with limited space. SUMMARY
[0003] In view of this, the utility model provides a straight insertion type lightning arrester.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0005] A straight insertion type lightning arrester includes a lightning arrester housing, a lightning arrester body, and a lightning arrester connector. A conductive channel is formed inside the lightning arrester housing. The conductive channel has a cable interface and a plug-in head interface. One end of the lightning arrester connector extends into the plug-in head interface and is connected to the lightning arrester housing. A double buckle structure is provided between the lightning arrester connector and the plug-in head interface. The double buckle structure includes an outer buckle structure provided near the plug-in head interface of the lightning arrester housing and an inner buckle structure provided on the lightning arrester connector. Corresponding inner and outer buckle openings are provided on the lightning arrester housing and the lightning arrester connector, respectively. The inner buckle structure and the outer buckle structure extend into the inner and outer buckle openings, respectively, to connect them.
[0006] Preferably, the inner buckle structure has a buckle part and an elastic connecting part. The buckle part and the elastic connecting part are integrally formed. A buckle mounting opening is provided on the lightning arrester housing. One end of the elastic connecting part is connected to one side of the inner wall of the buckle mounting opening. Gaps are formed between the two sides of the elastic connecting part and the inner wall of the buckle mounting opening. The other end of the elastic connecting part is connected to the buckle part. The buckle part extends into the inner buckle opening and is buckled to the lightning arrester housing.
[0007] Preferably, the inner buckle structure and the outer buckle structure are arranged in the same structure. The inner buckle structure on the lightning arrester connector and the outer buckle structure on the lightning arrester housing are arranged at equal intervals.
[0008] Preferably, the inner buckle structures are protruded to form guide strips between adjacent inner buckle structures. The outer buckle structures are recessed to form guide grooves between adjacent outer buckle structures. The guide strips extend into the guide grooves and are connected to the lightning arrester housing.
[0009] Preferably, the lightning arrester plug connector comprises a connector body and a connector insulating sleeve, the inner buckle structure and the outer buckle are arranged on the connector body, and the connector insulating sleeve is arranged in a shape corresponding to the connector body and is sleeved on the connector body.
[0010] Preferably, a zinc oxide electrode is arranged in the connector body, and the connector insulating sleeve is made of silica gel.
[0011] Preferably, the lightning arrester body is arranged in a conductive channel, a cable is arranged in the cable interface, and one end of the cable is connected with the lightning arrester body.
[0012] The utility model discloses beneficial effect lies in: setting up double buckle structure between lightning arrester plug connector and lightning arrester shell and connecting, can also facilitate dismounting while guaranteeing the connecting strength, and the design of outer buckle structure and inner buckle structure in double buckle structure makes lightning arrester plug connector keep stable when being subjected to external force and not easy to fall off. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, below description's drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0014] ATTACHMENT Fig. 1 It is the structure schematic diagram of the utility model;
[0015] ATTACHMENT Fig. 2 It is the structure connection schematic diagram of lightning arrester body and lightning arrester plug connector;
[0016] ATTACHMENT Fig. 3 It is the inner buckle structure schematic diagram. DETAILED DESCRIPTION
[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled person in the art without creative labor belong to the protection scope of the utility model.
[0018] The utility model will be further described below in combination with the drawings of the specification.
[0019] The utility model provides the following technical scheme:
[0020] As the drawings Figs. 1-3The utility model discloses a direct insertion type lightning arrester, including lightning arrester shell 1, lightning arrester body 2 and lightning arrester plug 3, the electrically conductive channel 4 is formed in lightning arrester shell 1, the electrically conductive channel 4 has cable interface 5 and plug head interface 6, one end of lightning arrester plug 3 is inserted into plug head interface 6 and is connected with lightning arrester shell 1, set up double buckle structure between lightning arrester plug 3 and plug head interface 6, the double buckle structure includes the outer buckle structure 7 of setting in the position of lightning arrester shell 1 close to plug head interface 6 and the inner buckle structure 8 of setting on lightning arrester plug 3, the lightning arrester shell 1 and lightning arrester plug 3 are set up corresponding inner bayonet 9 and outer bayonet 10 respectively, the inner buckle structure 8 and outer bayonet 10 structure are inserted into inner bayonet 9 and outer bayonet 10 respectively and are connected. Specifically, in the design, set up double buckle structure between lightning arrester plug 3 and lightning arrester shell 1 and connect, can also facilitate dismounting while guaranteeing the connecting strength, the design of outer buckle structure 7 and inner buckle structure 8 in double buckle structure makes lightning arrester plug 3 when being subjected to external force can keep stable, and it is not easy to fall off.
[0021] Further, the inner buckle structure 8 has a buckle portion 11 and an elastic connecting portion 12, the buckle portion 11 and the elastic connecting portion 12 are integrally formed, the lightning arrester shell 1 is provided with a buckle mounting hole 13, one end of the elastic connecting portion 12 is connected with the inner wall of one side of the buckle mounting hole 13, the gap 14 is formed between the two sides of the elastic connecting portion 12 and the inner wall of the buckle mounting hole 13, the other end of the elastic connecting portion 12 is connected with the buckle portion 11, and the buckle portion 11 is inserted into the inner bayonet 9 and connected with the lightning arrester shell 1. Specifically, in this embodiment, the shape of the buckle portion 11 is designed to be tightly matched with the inner bayonet 9, so as to ensure that the buckle portion 11 can be effectively locked in the inner bayonet 9 when the lightning arrester plug 3 is subjected to tension or pressure, preventing accidental falling. The elastic connecting portion 12 provides a certain elasticity, so that the buckle portion 11 can have a certain displacement space when subjected to external force, thereby absorbing part of the impact force, further improving the stability and safety of the connection.
[0022] Further, the inner buckle structure 8 and the outer buckle structure 7 are arranged in the same structure, and the inner buckle structure 8 on the arrester plug 3 and the outer buckle structure 7 on the arrester shell 1 are arranged at equal intervals. Specifically, in this embodiment, the equal interval arrangement of the inner buckle structure 8 and the outer buckle structure 7 ensures that when the arrester plug 3 is subjected to external force in different directions, each buckle can evenly share the force, thereby improving the overall connection strength. In addition, this design also facilitates standardized manufacturing during production, simplifies the assembly process, and reduces production costs. In actual application, this structure design makes the connection between the arrester plug 3 and the shell more firm and reliable, and even in harsh external environment, it can ensure the structural strength and normal work of the arrester, effectively preventing equipment failure or safety accidents caused by unstable connection.
[0023] Further, the inner buckle structure 8 and the outer buckle structure 7 are arranged in the same structure, and the inner buckle structure 8 on the arrester plug 3 and the outer buckle structure 7 on the arrester shell 1 are arranged at equal intervals. Specifically, in this embodiment, the equal interval arrangement of the inner buckle structure 8 and the outer buckle structure 7 ensures that when the arrester plug 3 is subjected to external force in different directions, each buckle can evenly share the force, thereby improving the overall connection strength. In addition, this design also facilitates standardized manufacturing during production, simplifies the assembly process, and reduces production costs. In actual application, this structure design makes the connection between the arrester plug 3 and the shell more firm and reliable, and even in harsh external environment, it can ensure the structural strength and normal work of the arrester, effectively preventing equipment failure or safety accidents caused by unstable connection.
[0024] Further, the arrester plug 3 includes a plug body 17 and a plug insulating sleeve 18, the inner buckle structure 8 and the outer buckle 10 are arranged on the plug body 17, the plug insulating sleeve 18 is arranged corresponding to the shape of the plug body 17, and the plug insulating sleeve 18 is sleeved on the plug body 17. Specifically, in this embodiment, the material of the plug insulating sleeve 18 is selected to have good insulation performance and aging resistance, so as to ensure stable insulation protection under various working conditions. The plug body 17 and the insulating sleeve are tightly combined by special adhesive or mechanical fixing method, so as to prevent the insulating sleeve from falling off in harsh environment, thereby avoiding electrical accidents caused by insulation failure.
[0025] Further, the plug body 17 is provided with a zinc oxide electrode 19, and the plug insulating sleeve 18 is made of silica gel. Specifically, in this embodiment, the introduction of the zinc oxide electrode 19 enables the arrester to quickly conduct current when responding to lightning, effectively protecting electrical equipment from high voltage damage. The plug insulating sleeve 18 made of silica gel has excellent high temperature resistance and weather resistance, which can adapt to various extreme environments and ensure long-term stable operation. In addition, the silica gel insulating sleeve has good flexibility, which can adapt to the expansion and contraction of the plug body 17 under temperature change, further enhancing the overall performance and service life of the arrester.
[0026] Further, the lightning arrester body 2 is arranged in the conductive channel 4, a cable (not shown in the figure) is arranged in the cable interface 5, and one end of the cable is connected with the lightning arrester body 2. Specifically, in the embodiment, the cable interface 5 is designed as a structure that is tightly matched with the lightning arrester body 2, so that the electrical connection between the cable and the lightning arrester is stable and reliable. The other end of the cable is connected to an electrical equipment or a power grid system, so as to form a complete current transmission path.
[0027] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A direct plug-in surge arrester comprising a surge arrester housing, a surge arrester body and a surge arrester plug connector, a conductive channel being formed in the surge arrester housing, the conductive channel having a cable interface and a plug interface, the surge arrester plug connector being connected to the surge arrester housing with one end of the surge arrester plug connector extending into the plug interface, characterized in that: The double buckle structure is arranged between the plug connector of the lightning arrester and the plug-in head interface, and comprises an outer buckle structure arranged at a position close to the plug-in head interface of the lightning arrester housing and an inner buckle structure arranged on the lightning arrester plug connector.
2. The pluggable surge arrester of claim 1, wherein: The inner buckle structure has a buckle part and an elastic connecting part, the buckle part and the elastic connecting part are integrally formed, a buckle mounting port is arranged on the lightning arrester housing, one end of the elastic connecting part is connected with one side inner wall of the buckle mounting port, gaps are formed between the two sides of the elastic connecting part and the inner wall of the buckle mounting port, the other end of the elastic connecting part is connected with the buckle part, and the buckle part is inserted into the inner buckle port and connected with the lightning arrester housing.
3. The pluggable surge arrester of claim 1, wherein: The inner buckle structure and the outer buckle structure are arranged in the same structure, the inner buckle structure on the lightning arrester plug connector and the outer buckle structure on the lightning arrester housing are arranged at equal intervals.
4. The plug-in surge arrester according to claim 3, characterized in that: The inner buckle structure and the outer buckle structure are arranged in the same structure, the inner buckle structure on the lightning arrester plug connector and the outer buckle structure on the lightning arrester housing are arranged at equal intervals.
5. The pluggable surge arrester of claim 1, wherein: The inner buckle structure and the outer buckle structure are arranged in the same structure, the inner buckle structure on the lightning arrester plug connector and the outer buckle structure on the lightning arrester housing are arranged at equal intervals.
6. The pluggable surge arrester of claim 5, wherein: The inner buckle structure and the outer buckle structure are arranged in the same structure, the inner buckle structure on the lightning arrester plug connector and the outer buckle structure on the lightning arrester housing are arranged at equal intervals.
7. The pluggable surge arrester of claim 1, wherein: The inner buckle structure and the outer buckle structure are arranged in the same structure, the inner buckle structure on the lightning arrester plug connector and the outer buckle structure on the lightning arrester housing are arranged at equal intervals. The inner buckle structure and the outer buckle structure are arranged in the same structure, the inner buckle structure on the lightning arrester plug connector and the outer buckle structure on the lightning arrester housing are arranged at equal intervals. The inner buckle structure and the outer buckle structure are arranged in the same structure, the inner buckle structure on the lightning arrester plug connector and the outer buckle structure on the lightning arrester housing are arranged at equal intervals. The inner buckle structure and the outer buckle structure are arranged in the same structure, the inner buckle structure on the lightning arrester plug connector and the outer buckle structure on the lightning arrester housing are arranged at equal intervals. The inner buckle structure and the outer buckle structure are arranged in the same structure, the inner buckle structure on the lightning arrester plug connector and the outer buckle structure on the lightning arrester housing are arranged at equal intervals.