Firm electric porcelain insulator

By using a locking screw and a limit rod block structure, the problem of porcelain insulators loosening due to vibration is solved, achieving higher connection firmness and stability.

CN120998609APending Publication Date: 2025-11-21BAODING TANGBEI ELECTRIC PORCELAIN ELEC APPLIANCE CO LTD
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Patent Information

Application Number
CN202511341552.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-19
Publication Date
2025-11-21

AI Technical Summary

Technical Problem

Existing robust porcelain insulators are prone to loosening of the threaded rod and nut due to vibration after installation, causing the porcelain insulator to become loose from the base.

Method used

The porcelain insulator body is fixed by passing a locking screw through the fixing plate, and the locking screw is prevented from rotating by a limit rod and a locking block structure. The connection between the porcelain insulator and the fixing frame is improved by the cooperation of the limit rod and the locking slot.

Benefits of technology

It significantly improves the robustness of the porcelain insulator body, prevents the locking screw from loosening due to rotation, and enhances the stability of installation.

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Abstract

The invention relates to the technical field of electric porcelain insulators, in particular to a firm electric porcelain insulator which comprises an electric porcelain insulator body and a fixing frame, a first screw joint hole and a first limiting hole are formed in the bottom of the electric porcelain insulator body, and a metal sleeve is installed at the bottom of the electric porcelain insulator body. A limiting groove, a second screw joint hole and a second limiting hole are formed in the metal sleeve, a locking screw penetrates through the fixing plate to fix the electric porcelain insulator main body, when the locking screw is screwed in, the movable plate can be driven to ascend, when the movable plate ascends, the limiting rod can be driven to ascend, and the electric porcelain insulator main body is fixed. The limiting rod ascends to penetrate through the second limiting hole and the first limiting hole to be inserted, compared with the prior art, the firmness of the electric porcelain insulator main body is remarkably improved, the clamping block can be driven to move through the lead screw, the locking screw can be clamped through the clamping groove when the clamping block moves, the locking screw can be prevented from rotating, and the service life of the electric porcelain insulator main body is prolonged. And the connection between the electric porcelain insulator main body and the fixing frame is loosened.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric porcelain insulators, in particular to a firm electric porcelain insulator. BACKGROUND

[0002] Electrical porcelain is a kind of porcelain electrical insulating material with good insulation and mechanical strength, such as insulator. Electrical porcelain is a component applied in power system mainly for support and insulation, and sometimes as a container for other electrical components. Therefore, it has high requirements for its mechanical properties, electrical properties, environmental resistance (cold and hot, anti-pollution, aging, etc.). Electrical porcelain mainly includes feldspar porcelain, alumina porcelain and talc porcelain and other ceramics. Electrical porcelain is a kind of porcelain insulator applied in power industry system, which is made of bauxite, kaolin, feldspar and other natural minerals as main raw materials through high temperature sintering, including various line insulators and insulators for power station electrical appliances, and other insulating components for isolation or support of live parts.

[0003] In the prior art, the application number CN202422117374.3 discloses a firm electric porcelain insulator, which comprises a base, a threaded rod is threadedly connected to the top end of the base, an electric porcelain insulator is fixedly connected to the outside of the threaded rod, a reinforcing plate and a fastener are threadedly and slidably connected to the threaded rod, the reinforcing plate is located below the electric porcelain insulator, the fastener is located between the electric porcelain insulator and the reinforcing plate, the bottom end of the fastener abuts against the top end of the reinforcing plate, and a bolt is provided through the reinforcing plate and is threadedly connected to the base. The technical scheme can improve the firmness of the connection between the base and the threaded rod, thereby improving the firmness of the installation of the electric porcelain insulator, and the threaded sliding of the fastener on the threaded rod and the abutment of the top end of the fastener against the reinforcing plate can further improve the firmness of the installation and are convenient and practical. However, the above-mentioned firm electric porcelain insulator is still fixed by a nut on a matched screw rod to the electric porcelain insulator, but after installation, the threaded rod will be loose from the nut due to vibration, causing the electric porcelain insulator to be loose from the base. In view of this problem, a firm electric porcelain insulator is needed. SUMMARY

[0004] This section is intended to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification of the present application in order to avoid obscuring the purpose of this section, the abstract and the title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0005] In view of the problems existing in the prior art firm electric porcelain insulator, the present application is proposed.

[0006] Therefore, the present application aims to provide a firm type electric porcelain insulator, which is fixed by a locking screw penetrating through a fixed plate, can drive a moving plate to rise when the locking screw is screwed in, can drive a limiting rod to rise when the moving plate rises, and can be inserted through the second limiting hole and the first limiting hole, thereby significantly improving the firmness of the electric porcelain insulator body compared with the prior art, and can drive a clamping block to move through a lead screw, can clamp the locking screw through a clamping groove when the clamping block moves, and can prevent the locking screw from rotating to cause the electric porcelain insulator body to be loose from the fixing frame.

[0007] To solve the above technical problems, according to one aspect of the present application, the present application provides the following technical solutions:

[0008] A firm type electric porcelain insulator comprises an electric porcelain insulator body and a fixing frame.

[0009] The bottom of the electric porcelain insulator body is provided with a first threaded hole and a first limiting hole, and a metal sleeve is installed at the bottom of the electric porcelain insulator body, the metal sleeve is provided with a limiting groove, a second threaded hole and a second limiting hole, the fixing frame is connected with the electric porcelain insulator body through a locking screw, the locking screw is installed with a moving plate, a limiting rod is installed on the fixing frame, a return spring is installed between the limiting rod and a fixed plate, a limiting block is installed at the top of the fixed plate, the limiting block is inserted into the limiting groove, a fixed table is installed at the bottom of the fixed plate, a lead screw and a guide rod are installed on the fixed table, the lead screw and the guide rod are connected with a clamping block, and a clamping groove is formed in the clamping block.

[0010] As a preferred scheme of the firm type electric porcelain insulator, the locking screw is threadedly connected with the first threaded hole and the second threaded hole through the fixed plate.

[0011] As a preferred scheme of the firm type electric porcelain insulator, the limiting rod is inserted into the first limiting hole through the fixed plate and the second limiting hole.

[0012] As a preferred scheme of the firm type electric porcelain insulator, the limiting groove is provided with a plurality of limiting grooves which are uniformly distributed on the metal sleeve, and the limiting block is provided with a plurality of limiting blocks which are uniformly distributed at the top of the fixed plate.

[0013] As a preferred scheme of the firm type electric porcelain insulator, the fixed table is located at both sides of the bottom of the fixed plate, the lead screw is threadedly connected with the fixed table, and the guide rod is slidingly connected with the fixed table.

[0014] As a preferred scheme of the firm type electric porcelain insulator, the clamping groove is located at the inner side of the clamping block, and the clamping groove is clamped with the locking screw.

[0015] As a preferred scheme of the firm type electric porcelain insulator, the limiting rods are provided in plurality and uniformly distributed on the fixed plate, the moving plate is located below the limiting rods, and the moving plate is in sliding connection with the limiting rods.

[0016] Compared with the prior art, the electric porcelain insulator body is fixed through the fixed plate by the locking screw, the moving plate is driven to rise when the locking screw is screwed in, the limiting rods are driven to rise when the moving plate rises, the limiting rods are inserted through the second limiting holes and the first limiting holes, the firmness of the electric porcelain insulator body is significantly improved compared with the prior art, the clamping block is driven to move through the lead screw, the locking screw is clamped when the clamping block moves, and the locking screw is prevented from rotating, so that the electric porcelain insulator body and the fixed frame are prevented from loosening. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the present application will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0018] Figure 1 is a structural schematic diagram of the present application;

[0019] Figure 2 is a three-dimensional structural schematic diagram of the electric porcelain insulator body of the present application;

[0020] Figure 3 is an exploded structural schematic diagram of the electric porcelain insulator body of the present application;

[0021] Figure 4 is a bottom view structural schematic diagram of the fixed frame of the present application;

[0022] Figure 5 is a three-dimensional structural schematic diagram of the fixed frame of the present application.

[0023] In the drawings: 100 is the electric porcelain insulator body, 110 is the first screw hole, 120 is the first limiting hole, 130 is the metal sleeve, 140 is the limiting groove, 150 is the second screw hole, 160 is the second limiting hole, 170 is the locking screw, 180 is the moving plate, 200 is the fixed frame, 210 is the limiting rod, 220 is the reset spring, 230 is the limiting block, 240 is the fixed table, 250 is the lead screw, 260 is the guide rod, 270 is the clamping block, and 280 is the clamping groove. DETAILED DESCRIPTION

[0024] In order to make the above objectives, characteristics and advantages of the present application more apparent, concrete embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0025] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details given herein, that the present application can be practiced with other different ways, and that the present application is not limited to the details given herein.

[0026] Secondly, the present application is described in detail in combination with the schematic diagram. In the detailed description of the embodiments of the present application, the sectional view of the device structure is partially enlarged without the general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0027] In order to make the objectives, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail below in combination with the accompanying drawings.

[0028] The present application provides the following technical solutions: a firm type electric porcelain insulator, in the use process, the electric porcelain insulator main body is fixed through the locking screw penetrating the fixed plate, when the locking screw is screwed in, the moving plate can be driven to rise, when the moving plate rises, the limiting rod can be driven to rise, the limiting rod rises and penetrates the second limiting hole and the first limiting hole for splicing, compared with the prior art, the firmness of the electric porcelain insulator main body is significantly improved, the clamping block can be driven to move through the lead screw, when the clamping block moves, the locking screw can be clamped through the clamping groove, the locking screw can be prevented from rotating, and the loosening of the electric porcelain insulator main body and the fixed frame connection is caused.

[0029] Figures 1-5 The structure schematic diagram of the first embodiment of the firm type electric porcelain insulator of the present application is shown, please refer to Figures 1-5 The firm type electric porcelain insulator of the present embodiment, the main body part includes the electric porcelain insulator main body 100 and the fixed frame 200;

[0030] The first screw hole 110 and the first limiting hole 120 are arranged at the bottom of the electric porcelain insulator body 100, the metal sleeve 130 is arranged at the bottom of the electric porcelain insulator body 100, the limiting groove 140, the second screw hole 150 and the second limiting hole 160 are arranged on the metal sleeve 130, the fixing frame 200 is connected with the electric porcelain insulator body 100 through the locking screw 170, the moving plate 180 is arranged on the locking screw 170, the limiting rod 210 is arranged on the fixing plate of the fixing frame 200, the reset spring 220 is arranged between the limiting rod 210 and the fixing plate, the limiting block 230 is arranged at the top of the fixing plate, the limiting block 230 is inserted into the limiting groove 140, the fixing table 240 is arranged at the bottom of the fixing plate, the lead screw 250 and the guide rod 260 are arranged on the fixing table 240, the clamping block 270 is connected with the lead screw 250 and the guide rod 260, and the clamping groove 280 is arranged on the clamping block 270.

[0031] The locking screw 170 is threadedly connected with the first screw hole 110 and the second screw hole 150 through the fixing plate, the limiting rod 210 is inserted into the first limiting hole 120 through the fixing plate and the second limiting hole 160, the limiting groove 140 is arranged in plurality and uniformly distributed on the metal sleeve 130, the limiting block 230 is arranged in plurality and uniformly distributed at the top of the fixing plate, the fixing table 240 is located at both sides of the bottom of the fixing plate, the lead screw 250 is threadedly connected with the fixing table 240, the guide rod 260 is slidingly connected with the fixing table 240, the clamping groove 280 is located at the inner side of the clamping block 270 and is clamped with the locking screw 170, the limiting rod 210 is arranged in plurality and uniformly distributed on the fixing plate, the moving plate 180 is located below the limiting rod 210 and contacts the bottom end of the limiting rod, and the moving plate 180 is slidingly connected with the limiting rod 210;

[0032] The electric porcelain insulator body 100 comprises the metal sleeve 130, the metal sleeve 130 is located at the bottom of the electric porcelain insulator body 100, the first limiting hole 120 is arranged in plurality and uniformly distributed at the bottom of the electric porcelain insulator body 100 and is used for inserting the limiting rod 210, the first screw hole 110 is located in the middle of the first limiting hole 120 and is used for cooperating with the locking screw 170 to realize the fixed connection of the electric porcelain insulator body 100 and the fixing plate, the metal sleeve 130 is used for arranging the second screw hole 150, the limiting groove 140 and the second limiting hole 160, the second screw hole 150 is used for cooperating with the locking screw 170 to realize the fixed connection of the electric porcelain insulator body 100, the second limiting hole 160 is used for cooperating with the limiting rod 210 to realize the limiting of the electric porcelain insulator body 100, the locking screw 170 is used for driving the moving plate 180, the moving plate 180 is used for driving the limiting rod 210 to move upward, the moving plate 180 can be driven to rise when the locking screw 170 is screwed in, and the limiting rod 210 can be driven to be inserted into the first limiting hole 120 when the moving plate 180 rises;

[0033] The fixing frame 200 is provided with a fixing plate for mounting the limiting rod 210, the limiting block 230 and the fixing table 240, the limiting rod 210 is used for locking the locking screw 170 inserted into the first limiting hole 120 and the second limiting hole 160 in the locking state, limiting the rotation of the electric porcelain insulator body 100, the reset spring 220 is used for resetting (moving downward) the limiting rod 210, when the electric porcelain insulator body 100 is turned out by the locking screw 170, the moving plate 180 moves downward, the limiting rod 210 can be separated from the electric porcelain insulator body 100, facilitating the dismounting of the electric porcelain insulator body 100, the limiting block 230 is used for facilitating the insertion with the limiting groove 140, realizing the positioning of the electric porcelain insulator body, facilitating the insertion of the limiting rod 210, the fixing table 240 is used for bearing the lead screw 250 and the guide rod 260, the lead screw 250 is used for being threadedly connected with the fixing table 240 and being rotationally connected with the clamping block 270, the guide rod 260 is used for improving the stability of the clamping block 270 when moving, the clamping block 270 is used for opening the clamping groove 280, and the clamping groove 280 is used for clamping the locking screw 170, which can prevent the locking screw 170 from loosening after being locked.

[0034] The electric porcelain insulator body 100 is fixed by the locking screw 170 penetrating the fixing plate, when the locking screw 170 rotates, the moving plate 180 can be driven to rise, when the moving plate 180 rises, the limiting rod 210 can be driven to rise, the limiting rod 210 rises to penetrate the second limiting hole 160 and the first limiting hole 120 for insertion, compared with the prior art, the firmness of the electric porcelain insulator body 100 is significantly improved, the clamping block 270 can be driven to move by the lead screw 250, when the clamping block 270 moves, the locking screw 170 can be clamped by the clamping groove 280, which can prevent the locking screw 170 from rotating and causing the loosening of the connection between the electric porcelain insulator body 100 and the fixing frame 200.

[0035] Although the present application has been described with reference to the embodiments above, various improvements can be made thereto, and equivalent replacements can be made to the components therein, without departing from the scope of the present application. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed in the present application can be combined with each other in any manner, and the combinations are not exhaustively described in the present specification only for the consideration of saving space and resources. Therefore, the present application is not limited to the specific embodiments disclosed herein, but includes all the technical solutions falling within the scope of the claims.

Claims

1. A robust porcelain insulator, characterized in that: Includes the porcelain insulator body (100) and the fixing frame (200); The bottom of the porcelain insulator body (100) is provided with a first screw hole (110) and a first limiting hole (120). A metal sleeve (130) is installed at the bottom of the porcelain insulator body (100). The metal sleeve (130) is provided with a limiting groove (140), a second screw hole (150), and a second limiting hole (160). The fixing frame (200) is connected to the porcelain insulator body (100) through a locking screw (170). A movable plate (180) is installed on the locking screw (170). A limiting rod (210) is installed on the fixed plate. A return spring (220) is installed between the limiting rod (210) and the fixed plate. A limiting block (230) is installed on the top of the fixed plate. The limiting block (230) is inserted into the limiting groove (140). A fixed platform (240) is installed at the bottom of the fixed plate. A lead screw (250) and a guide rod (260) are installed on the fixed platform (240). The lead screw (250) and the guide rod (260) are connected to a locking block (270). A locking groove (280) is opened on the locking block (270).

2. The robust porcelain insulator according to claim 1, characterized in that: The locking screw (170) passes through the fixing plate and is threadedly connected to the first screw hole (110) and the second screw hole (150).

3. A robust porcelain insulator according to claim 1, characterized in that: The limiting rod (210) passes through the fixing plate and the second limiting hole (160) and is inserted into the first limiting hole (120).

4. A robust porcelain insulator according to claim 1, characterized in that: Multiple limiting grooves (140) are provided and are evenly distributed on the metal sleeve (130), and multiple limiting blocks (230) are provided and are evenly distributed on the top of the fixing plate.

5. A robust porcelain insulator according to claim 1, characterized in that: The fixed platform (240) is located on both sides of the bottom of the fixed plate, the lead screw (250) is threadedly connected to the fixed platform (240), and the guide rod (260) is slidably connected to the fixed platform (240).

6. A robust porcelain insulator according to claim 1, characterized in that: The slot (280) is located inside the block (270), and the slot (280) engages with the locking screw (170).

7. A robust porcelain insulator according to claim 1, characterized in that: Multiple limiting rods (210) are provided and evenly distributed on the fixed plate. The movable plate (180) is located below the limiting rods (210) and is slidably connected to the limiting rods (210).

Citation Information

Patent Citations

  • Firm electric porcelain insulator

    CN223078920U