Porcelain insulator with good sealing performance
By designing a connectable insulator structure and implementing multiple sealing measures, the problem of the non-adjustable length of porcelain insulators was solved, resulting in easier installation and improved sealing performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI YUDA HIGH FREQUENCY CERAMICS CO LTD
- Filing Date
- 2025-05-21
- Publication Date
- 2026-05-12
AI Technical Summary
The length of existing porcelain insulators cannot be adjusted, which restricts installation and increases operating costs.
The design incorporates two connectable insulators, enabling rapid installation and length adjustment via a threaded connection between the connecting screw and the connecting groove. A multi-seal design ensures sealing performance, including the combined use of a protective cover and a sealing plate.
This design enables easy installation and adjustable length of the insulators, improves sealing performance, prevents moisture and impurities from entering the insulator, and enhances practicality and safety.
Smart Images

Figure CN224232415U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of insulator technology, specifically to a porcelain insulator with good sealing performance. Background Technology
[0002] Porcelain insulators are an important type of electrical equipment. Due to their excellent insulation properties and ability to withstand high voltage, porcelain insulators are widely used in high-voltage transmission lines to support conductors and maintain their insulation from the ground, thus protecting the safe operation of the transmission lines.
[0003] The existing porcelain insulators have a structure in which a fixed rod is connected to an integrated shed. The length of these sheds is set by the factory. This design makes it impossible to adjust the insulator length according to the specific requirements of the site, which restricts the installation. In addition, it is necessary to purchase insulators of different specifications, which increases the cost of use. Utility Model Content
[0004] (I) Technical problems to be solved
[0005] The technical problem to be solved by this utility model is to overcome the defect that the length of the insulator cannot be adjusted, and to provide a porcelain insulator with good sealing performance.
[0006] (II) Technical Solution
[0007] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a porcelain insulator with good sealing performance, including a mounting base, on which an insulator 1, multiple insulators 2, and a fixing seat for placing cables are connected from bottom to top. The insulator 1 includes a fixing rod 1, which has a shed 1 and a connecting groove 1 at its top. The insulator 2 includes a fixing rod 2, which has a shed 2 and a connecting groove 2 of the same specification as the connecting groove 1 at its top. The bottom of the fixing rod 2 is provided with a connecting screw 1. The fixing seat includes a connecting seat connected to the insulator 2, which has a connecting screw 2 at its bottom and an insulating cover connected to it. The insulating cover on the connecting seat is provided with a wire groove 1 and a wire groove 2.
[0008] As an improvement: the connecting screw one and the connecting screw two are of the same specification and are both threadedly connected to the connecting groove one and the connecting groove two.
[0009] As an improvement: the connecting seat is provided with four symmetrical sliding grooves, the bottom surface of the insulating cover is provided with a connecting rod, the connecting rod is inserted into the sliding groove, and the bottom of the connecting rod is provided with a sliding plate, the sliding plate is slidably located in the sliding groove, and a telescopic spring is connected to the sliding plate, one end of the telescopic spring is connected to the top wall of the sliding groove.
[0010] As an improvement: the insulating cover is a hemispherical structure, and the connecting seat and the insulating cover are respectively provided with protective shell one and protective shell two on both sides of the wire groove one and wire groove two. The protective shell one and protective shell two match each other and are both conical structures.
[0011] As an improvement: a protective cover is provided on the outer wall of the second fixing rod, which is located outside the first connecting screw, and a protective cover is provided on the bottom surface of the connecting seat, which is located outside the second connecting screw. Both the first and second protective covers are conical structures, and the size of their upper surface is smaller than the size of their lower surface.
[0012] As an improvement: both the first fixing rod and the second fixing rod have sealing grooves on their upper surfaces, and the bottom surface of the second fixing rod has a sealing plate that matches the sealing groove. The sealing plate is located between the first connecting screw and the first protective cover.
[0013] (III) Beneficial Effects
[0014] The advantages of this utility model compared with the prior art are as follows:
[0015] 1. The design of connecting slot one and connecting slot two allows insulator one and insulator two to be quickly connected by connecting screw one and connecting screw two, which simplifies the installation process, makes installation convenient and quick, and can be adjusted and assembled according to actual use needs, making it highly practical;
[0016] 2. The design of the protective cover shell one, the protective cover shell two, and the sealing plate ensures the sealing of the connection between the insulator one, multiple insulator twos, and the fixing seat. The multiple sealing design has good sealing performance and prevents water vapor and impurities from entering the insulator and causing damage. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of a porcelain insulator with good sealing performance according to this utility model.
[0018] Figure 2 yes Figure 1 A schematic diagram of the mounting base structure.
[0019] Figure 3 yes Figure 1 A schematic diagram of the insulator structure.
[0020] Figure 4 yes Figure 3 A schematic diagram of the upward-facing structure.
[0021] Figure 5 yes Figure 1 A schematic diagram of the fixed base structure.
[0022] Figure 6 yes Figure 5 A schematic diagram of the front view structure.
[0023] Figure 7 yes Figure 6 A magnified schematic diagram of the local A structure.
[0024] [Explanation of Labels in the Attached Image]
[0025] 1. Mounting base; 2. Fixing rod one; 3. Umbrella skirt one; 4. Connecting groove one; 5. Fixing rod two; 6. Umbrella skirt two; 7. Connecting groove two; 8. Connecting screw one; 9. Connecting seat; 10. Connecting screw two; 11. Insulating cover; 12. Wire groove one; 13. Wire groove two; 14. Slide groove; 15. Connecting rod; 16. Slide plate; 17. Telescopic spring; 18. Protective shell one; 19. Protective shell two; 20. Protective cover one; 21. Protective cover two; 22. Sealing groove; 23. Sealing plate. Detailed Implementation
[0026] The present invention will now be described in further detail with reference to the accompanying drawings. Identical components are indicated by the same reference numerals.
[0027] It should be noted that the terms “front,” “back,” “left,” “right,” “up,” and “down” used in the following description refer to the directions shown in the attached diagram, while the terms “inside” and “outside” refer to the directions toward or away from the geometric center of a specific component, respectively.
[0028] To make the content of this utility model easier to understand, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.
[0029] Example 1
[0030] Combined with appendix Figures 1 to 5 As shown, a porcelain insulator with good sealing performance includes a mounting base 1. From bottom to top, the mounting base 1 is connected to an insulator one, multiple insulator twos, and a fixing seat for placing cables. The insulator one includes a fixing rod one 2, with a shed one 3 on the fixing rod one 2 and a connecting groove one 4 at the top. The insulator two includes a fixing rod two 5, with a shed two 6 on the fixing rod two 5 and a connecting groove two 7 of the same specification as the connecting groove one 4 at the top. A connecting screw one 8 is provided at the bottom of the fixing rod two 5. The fixing seat includes a connecting seat 9 connected to the insulator two, with a connecting screw two 10 at the bottom of the connecting seat 9 and an insulating cover 11 connected to the connecting seat 9. The connecting screw one 8 and the connecting screw two 10 are of the same specification and are both threadedly connected to the connecting groove one 4 and the connecting groove two 7.
[0031] When insulator one and insulator two are connected, connecting screw one 8 is screwed into connecting groove one 4 to connect the two. When multiple insulator twos are connected, connecting screw one 8 of the upper insulator two is inserted into connecting groove two 7 of the lower insulator two to assemble multiple insulator twos. To assemble the fixing seat, connecting screw two 10 is inserted into connecting groove two 7 of the uppermost insulator two to complete the assembly.
[0032] To secure the cable, in conjunction with the attached... Figures 5 to 7 As shown, the insulating cover 11 of the connector 9 is provided with a first wire groove 12 and a second wire groove 13, respectively. The connector 9 has four symmetrically arranged sliding grooves 14. A connecting rod 15 is provided on the bottom surface of the insulating cover 11. The connecting rod 15 is inserted into the sliding groove 14, and a sliding plate 16 is provided at the bottom of the connecting rod 15. The sliding plate 16 slides within the sliding groove 14, and a telescopic spring 17 is connected to the sliding plate 16. One end of the telescopic spring 17 is connected to the top wall of the sliding groove 14. The cable is located between the first wire groove 12 and the second wire groove 13, and is securely clamped by the elastic action of the telescopic spring 17. (The last sentence appears to be incomplete and possibly refers to a different feature.) Figure 5 As shown, the insulating cover 11 has a hemispherical structure. Protective shell 18 and protective shell 2 19 are respectively provided on both sides of the connecting seat 9 and the insulating cover 11, on the wire groove 12 and the wire groove 2 13. The protective shell 18 and protective shell 2 19 match each other and are both conical structures. The conical structure and the hemispherical structure of the insulating cover 11 can reduce the residue of moisture on the components, making the use safer.
[0033] Example 2
[0034] To ensure the airtightness of the connection between insulator one, insulator two, and the fixing base, and to prevent moisture, impurities, etc., from entering the insulator, based on embodiment one, and in conjunction with the appendix... Figures 2 to 4 As shown, a protective cover 20 is provided around the outer wall of the fixing rod 2 5, outside the connecting screw 1 8. A protective cover 21 is provided on the bottom surface of the connecting seat 9, outside the connecting screw 2 10. Both the protective cover 20 and the protective cover 21 are conical structures, with the upper surface dimension smaller than the lower surface dimension. The conical structure better guides airflow and reduces moisture residue on the component surface. A sealing ring is provided on the top surface of both the protective cover 20 and the protective cover 21 to reduce gaps at the connection and prevent the intrusion of moisture and impurities. A sealing groove 22 is provided on the upper surface of both the fixing rod 1 2 and the fixing rod 2 5. A sealing plate 23, adapted to the sealing groove 22, is provided on the bottom surface of the fixing rod 2 5. The sealing plate 23 is located between the connecting screw 1 8 and the protective cover 20. The sealing plate 23, together with the sealing groove 22, provides a double seal, resulting in better sealing performance.
[0035] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. A porcelain insulator with good sealing performance, comprising a mounting base (1), characterized in that: The mounting base (1) is connected from bottom to top to insulator one, multiple insulator twos and a fixing seat for placing cables; An insulator includes a fixing rod (2), the fixing rod (2) is provided with a skirt (3), and a connecting groove (4) is provided at the top of the fixing rod (2); Insulator II includes a fixing rod II (5), the fixing rod II (5) is provided with a shed II (6), the top of the fixing rod II (5) is provided with a connecting groove II (7) of the same specification as the connecting groove I (4), and the bottom of the fixing rod II (5) is provided with a connecting screw I (8); The fixed base includes a connecting base (9) connected to the second insulator. The bottom of the connecting base (9) is provided with a connecting screw (10). An insulating cover (11) is connected to the connecting base (9). The insulating cover (11) on the connecting base (9) is provided with a wire groove (12) and a wire groove (13).
2. The porcelain insulator with good sealing performance according to claim 1, characterized in that: The connecting screw one (8) and connecting screw two (10) are of the same specification and are threadedly connected to connecting groove one (4) and connecting groove two (7).
3. The porcelain insulator with good sealing performance according to claim 1, characterized in that: The connecting seat (9) is symmetrically provided with four sliding grooves (14). The bottom surface of the insulating cover (11) is provided with a connecting rod (15). The connecting rod (15) is inserted into the sliding groove (14), and the bottom of the connecting rod (15) is provided with a sliding plate (16). The sliding plate (16) slides in the sliding groove (14). A telescopic spring (17) is connected to the sliding plate (16), and one end of the telescopic spring (17) is connected to the top wall of the sliding groove (14).
4. A porcelain insulator with good sealing performance according to claim 3, characterized in that: The insulating cover (11) is a hemispherical structure. The connecting seat (9) and the insulating cover (11) are respectively provided with protective shell one (18) and protective shell two (19) on both sides of the wire groove one (12) and wire groove two (13). The protective shell one (18) and protective shell two (19) match each other and are both conical structures.
5. A porcelain insulator with good sealing performance according to claim 1, characterized in that: The outer wall of the second fixing rod (5) is surrounded by a protective cover (20) outside the connecting screw (8). The bottom surface of the connecting seat (9) is surrounded by a protective cover (21) outside the connecting screw (10). Both the first protective cover (20) and the second protective cover (21) are conical structures, and the size of their upper surface is smaller than the size of their lower surface.
6. A porcelain insulator with good sealing performance according to claim 5, characterized in that: The upper surfaces of the first fixing rod (2) and the second fixing rod (5) are provided with sealing grooves (22), and the bottom surface of the second fixing rod (5) is provided with a sealing plate (23) that is compatible with the sealing groove (22). The sealing plate (23) is located between the first connecting screw (8) and the first protective cover (20).