Improved solid-sealed polar pole

Abstract

The utility model relates to the field of solid-sealed polar poles, in particular to an improved solid-sealed polar pole which comprises a solid-sealed polar pole body, an upper wire holder and a lower wire holder are arranged on the side wall of the solid-sealed polar pole body, the upper wire holder and the lower wire holder are both provided with wire connection grooves, wire connection ports are arranged in the wire connection grooves, protective layers are arranged on the peripheries of the wire connection ports, and the protective layers are arranged on the periphery of the wire connection ports. The outer wall of the protective layer is provided with a first sealing layer, and the inner wall of the wiring groove is provided with a second sealing layer. According to the utility model, the matched connecting piece is inserted into the wiring groove, the outer wall of the connecting piece is positioned between the first sealing layer and the second sealing layer, and the connecting piece is clamped by the two sealing layers, so that a good sealing effect is achieved, and water vapor is not easy to enter the connecting piece. And the protective layer is additionally arranged outside the wiring port, so that the port can be well protected.

Description

Technical Field

[0001] The utility model relates to the technical field of solid-sealed pole columns, and in particular to an improved solid-sealed pole column. Background Art

[0002] A solid-sealed pole column is an independent component formed by encapsulating a vacuum interrupter, or a vacuum interrupter and conductive connection terminals, with a solid insulating material. It is to embed the vacuum interrupter and the conductive parts related to the circuit breaker into a solid insulating material such as epoxy resin or thermoplastic material that is easy to cure to form a pole column, making the entire circuit breaker pole column an integral component.

[0003] A solid-sealed pole column generally includes an insulating housing. An upper terminal block and a lower terminal block are arranged on the outer side of the insulating housing. An upper wiring port is provided on the upper terminal block, and a lower wiring port is provided on the lower terminal block. A vacuum interrupter is arranged inside the insulating housing, and the vacuum interrupter communicates with the upper wiring port and the lower wiring port.

[0004] However, after long-term use, the upper wiring port and the lower wiring port of the solid-sealed pole column will cause insufficient sealing and are prone to water vapor ingress, affecting subsequent use. Summary of the Utility Model

[0005] Other features and advantages of the present utility model will be described in the following specification, and will become partially obvious from the specification, or be understood by implementing the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the structures specifically pointed out in the specification and other specification drawings.

[0006] The purpose of the present utility model is to overcome the above deficiencies and provide an improved solid-sealed pole column to solve the existing problems.

[0007] To achieve the above objective, the technical solution of the present utility model is: an improved solid-sealed pole column, including a solid-sealed pole column body. Upper and lower terminal blocks are provided on the side wall of the solid-sealed pole column body. Wiring grooves are provided on both the upper terminal block and the lower terminal block. Wiring ports are provided in the wiring grooves. A protective layer is provided around the wiring ports. A first sealing layer is provided on the outer wall of the protective layer, and a second sealing layer is provided on the inner wall of the wiring groove.

[0008] In some embodiments, the second sealing layer is composed of a plurality of first sealing rings arranged evenly from top to bottom.

[0009] In some embodiments, the surface of the first sealing ring is arc-shaped.

[0010] In some embodiments, a groove is provided at the top of the wiring groove, and a second sealing ring is provided in the groove.

[0011] In some embodiments, a disassembly tube is provided on the inner wall of the wiring groove, the second sealing layer is arranged inside the disassembly tube, a plurality of sliding grooves are provided on the inner wall of the wiring groove, and corresponding sliding blocks are provided on the outer wall of the disassembly tube.

[0012] In some embodiments, a plurality of connection holes are provided at the top of the wiring groove, the connection holes are connected to the cover plate by screws, and the cover plate covers the sliding block.

[0013] In some embodiments, a plurality of spherical balls are provided in the sliding groove, the spherical balls are evenly arranged from top to bottom, and a matching card slot is provided on the opposite side of the sliding block.

[0014] By adopting the above technical solutions, the beneficial effects of the present utility model are as follows: by inserting a matching connecting piece into the wiring groove, the outer wall thereof is located between the first sealing layer and the second sealing layer, and the two sealing layers clamp it, so as to achieve a good sealing effect and prevent water vapor from easily entering. Moreover, an additional protective layer outside the wiring port can well protect the port.

[0015] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure.

[0016] Undoubtedly, such objects of the present utility model and other objects will become more apparent after the detailed description of the preferred embodiments described below with multiple drawings and illustrations.

[0017] To make the above and other objects, features and advantages of the present utility model more obvious and understandable, one or several preferred embodiments are specifically given below, and in conjunction with the accompanying drawings shown, the detailed description is as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model.

[0019] In the drawings, the same components are denoted by the same reference numerals, and the drawings are schematic and not necessarily drawn to actual scale.

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only one or several embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on such drawings without creative efforts.

[0021] Figure 1 Structural schematic diagram of a solid-sealed pole column according to some embodiments of the present utility model;

[0022] Figure 2 Structural schematic diagram of the wiring groove according to some embodiments of the present utility model;

[0023] Figure 3 Structural schematic diagram of the cover plate according to some embodiments of the present utility model;

[0024] Figure 4 Structural sectional view of the wiring groove according to some embodiments of the present utility model;

[0025] Figure 5 Structural schematic diagram of the spherical ball according to some embodiments of the present utility model. Specific embodiments

[0026] In order to make the purpose, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model, but not to limit the present utility model.

[0027] In addition, in the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model 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, and therefore cannot be understood as a limitation to the present utility model.

[0028] In the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. However, indicating a direct connection means that there is no connection relationship constructed by a transition structure between the two connected main bodies, and only a connection structure is used to connect them to form a whole. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0029] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", 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 expressions 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.

[0030] The following describes the specific implementation manners of the present utility model with reference to the accompanying drawings.

[0031] Refer to Figures 1-5 , Figure 1 is a schematic structural view of a solid-sealed pole column according to some embodiments of the present utility model; Figure 2 is a schematic structural view of a wiring groove according to some embodiments of the present utility model; Figure 3 is a schematic structural view of a cover plate according to some embodiments of the present utility model; Figure 4 is a structural sectional view of a wiring groove according to some embodiments of the present utility model; Figure 5 is a schematic structural view of a spherical ball according to some embodiments of the present utility model.

[0032] The present utility model provides an improved solid-sealed pole column, including a solid-sealed pole column body 1. The side wall of the solid-sealed pole column body 1 is provided with an upper wiring seat 11 and a lower wiring seat 12. Both the upper wiring seat 11 and the lower wiring seat 12 are provided with wiring grooves 13. Wiring ports 3 are provided in the wiring grooves 13. A protective layer 4 is provided around the wiring ports 3. A first sealing layer 41 is provided on the outer wall of the protective layer 4. A second sealing layer 14 is provided on the inner wall of the wiring groove 13.

[0033] By inserting a matching connector into the wiring groove 13 so that its outer wall is located between the first sealing layer 41 and the second sealing layer 14, and the two sealing layers clamp it, thus achieving a good sealing effect and not easily allowing water vapor to enter. And an additional protective layer 4 outside the wiring port 3 can well protect the port.

[0034] According to some embodiments of the present utility model, optionally, the second sealing layer 14 is composed of a plurality of first sealing rings 19 arranged evenly from top to bottom. Through the outer wall of the matching connector being provided with matching grooves for layer-by-layer sealing, a good sealing effect can be achieved.

[0035] According to some embodiments of the present utility model, optionally, the surface of the first sealing ring 19 is arc-shaped. For the convenience of inserting the connecting member, if it is square, the outer wall is likely to get stuck and it is not easy to make the connection.

[0036] According to some embodiments of the present utility model, optionally, a groove 15 is provided at the top of the wiring groove 13, and a second sealing ring 16 is provided in the groove 15. Generally, a protrusion is provided on the outer wall of the connecting member to make it more beautiful when connected to the port. In this way, a sealing ring is also provided at the top to achieve a good sealing effect at the connection.

[0037] According to some embodiments of the present utility model, optionally, a disassembly tube 5 is provided on the inner wall of the wiring groove 13, the second sealing layer 14 is arranged inside the disassembly tube 5, a plurality of sliding grooves 17 are provided on the inner wall of the wiring groove 13, and a sliding block 51 corresponding thereto is provided on the outer wall of the disassembly tube 5. In this way, the disassembly tube 5 can be pulled out, and the second sealing layer 14 can be integrally replaced to avoid aging caused by long-term use.

[0038] According to some embodiments of the present utility model, optionally, a plurality of connection holes 18 are provided at the top of the wiring groove 13, the connection holes 18 are connected to the cover plate 52 by screws, and the cover plate 52 covers the sliding block 51. The cover plate 52 does not block the sealing ring at the top. At the same time, covering the sliding block 51 with the cover plate 52 can prevent the disassembly tube 5 from being pulled out when the connecting member is pulled out, and it is also more beautiful. Moreover, after the cover plate 52 is installed, it is parallel to the wiring groove 13, and no gap is generated by its protrusion.

[0039] According to some embodiments of the present utility model, optionally, a plurality of spheres 6 are provided in the sliding groove 17, the spheres 6 are uniformly arranged from top to bottom, and a matching card slot 61 is provided on the opposite side of the sliding block 51. For better sliding in when inserting or better pulling out.

[0040] It should be understood that the embodiments disclosed in the present utility model are not limited to the specific processing steps or materials disclosed herein, but should extend to equivalent alternatives of such features understood by those of ordinary skill in the relevant art. It should also be understood that the terms used herein are only for the purpose of describing specific embodiments and do not mean to limit.

[0041] The "embodiments" mentioned in the specification mean that the specific features or characteristics described in connection with the embodiments are included in at least one embodiment of the present utility model. Therefore, the phrases or "embodiments" that appear throughout the specification do not necessarily all refer to the same embodiment.

[0042] In addition, the described features or characteristics may be combined in any other suitable manner into one or more embodiments. In the above description, some specific details such as thickness, quantity, etc. are provided to give a comprehensive understanding of the embodiments of the present utility model. However, those skilled in the relevant art will understand that the present utility model can be implemented without one or more of the above specific details or can also be implemented using other methods, components, materials, etc.

Claims

1. An improved solid-sealed pole, characterized in that: include: The sealed pole body has an upper terminal seat and a lower terminal seat on its side wall. The upper terminal seat and the lower terminal seat are both provided with a terminal slot. The terminal slot is provided with a terminal port. A protective layer is provided on the periphery of the terminal port. The outer wall of the protective layer is provided with a first sealing layer. The inner wall of the terminal slot is provided with a second sealing layer.

2. The improved sealed pole according to claim 1, characterized in that: The second sealing layer is composed of a plurality of first sealing rings arranged evenly from top to bottom.

3. The improved sealed pole according to claim 2, characterized in that: The surface of the first sealing ring is arc-shaped.

4. The improved sealed pole according to claim 1, characterized in that: A groove is arranged on the top of the wiring slot, and a second sealing ring is arranged in the groove.

5. The improved sealed pole according to claim 1, characterized in that: The inner wall of the wiring slot is provided with a disassembly tube, the second sealing layer is arranged inside the disassembly tube, the inner wall of the wiring slot is provided with a plurality of slide grooves, and the outer wall of the disassembly tube is provided with a sliding block corresponding thereto.

6. The improved sealed pole according to claim 5, characterized in that: A plurality of connection holes are arranged on the top of the wiring slot, and the connection holes are connected to the cover plate by screws, and the cover plate covers the sliding block.

7. The improved sealed pole according to claim 5, characterized in that: A plurality of balls are arranged in the slide groove, and the balls are evenly arranged from top to bottom. A matching slot is arranged on one opposite side of the slide block.

Images