Insulating sleeve for switch equipment

Abstract

The utility model relates to the technical field of switch equipment, and discloses an insulating sleeve for switch equipment, the upper end of an inlay is provided with a sealing sleeve, the center of the sealing sleeve is provided with a connecting column, the lower end of the inlay is provided with a lower sleeve, the insulating sleeve further comprises a movable piece, a pinion is fixedly connected to the side end of the inlay, the side end of the pinion is movably connected with a gear ring, and the gear ring is connected with the movable piece. A long gear is movably connected in the gear ring, and the upper end of the long gear is fixedly connected with a lamination; the device for driving the laminations to contract at least comprises a group of gear transmission structures, a limiting block is arranged below an inlay body, when the inlay body is installed, the limiting block retracts inwards, the limiting block rebounds after reaching a determined position, the inlay body is fixed according to the shape, the laminations are installed in the inlay body, adjustment is carried out according to the size of an internal sleeve, and a pinion is rotated, so that the laminations are driven to contract. Movement of the lamination is controlled through meshing connection between the gears, and the gears are fixed through the mounting fixing columns, so that the positions of the gears are fixed when the gears rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of switch equipment, in particular to an insulating sleeve for switch equipment. Background Art

[0002] Insulation sleeve is an important component that provides electrical insulation and mechanical protection for wires, cables, electronic components, etc. It is widely used in various electrical equipment, especially in high voltage, high temperature or harsh environment to ensure the safe and stable operation of the equipment. Insulation sleeve is usually made of materials with good insulation performance, such as plastic, rubber, ceramic or glass fiber, etc. These materials have excellent electrical insulation performance, heat resistance, chemical corrosion resistance and mechanical strength. According to different application scenarios and requirements, insulation sleeve can also have special functions such as flame retardant, waterproof and dustproof. Insulation sleeve is usually designed to wrap around the outside of the wire or cable to form a complete insulation layer, which can prevent the current from the wire. Or leakage from the cable to avoid electrical failure and electric shock accidents. At the same time, the insulating sleeve can also protect the wires or cables from mechanical damage, chemical corrosion and the influence of the external environment. The application range of the insulating sleeve is very wide, including power systems, communication equipment, transportation, industrial automation and other fields. In the power system, the insulating sleeve is used to protect the cable and busbar to prevent electrical failure. In the communication equipment, the insulating sleeve is used to ensure the stability and reliability of signal transmission. In the field of transportation, the insulating sleeve is used to protect the electrical lines and electronic equipment inside the vehicle. In the field of industrial automation, the insulating sleeve is used to protect the electrical connections of robots, sensors and other equipment.

[0003] An insulating bushing for a 35KV high-altitude high-voltage switchgear cabinet with announcement number CN213782501U comprises a bushing body, a positioning structure for positioning a busbar is arranged in the bushing body, the positioning structure comprises a busbar fixing plate and a positioning plate, the busbar fixing plate is installed in the middle of the inner skirt, an installation cavity is provided on the busbar fixing plate, a plurality of positioning plates are installed in the installation cavity at circumferential intervals and are connected to each other, matching grooves are provided on the adjacent side walls of the positioning plates, the matching grooves on a plurality of positioning plates are combined to form a positioning groove for positioning the busbar, and the positioning plate is movably connected to the installation cavity through a movable structure. The present application has the following advantages and effects: the busbar fixing plate supports the positioning plate, and the positioning plate is movably connected to the installation cavity by the positioning plate, and the size of the positioning groove formed by the combination of matching grooves on the positioning plate is adjusted. Different busbars can be positioned without replacing different busbar fixing plates, thereby expanding the scope of application of the insulating bushing. However, the adjustment of the positioning plate in this scheme is relatively cumbersome. For this reason, we propose an insulating bushing for switchgear. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an insulating bushing for a switch device, which solves the above-mentioned problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an insulating bushing for a switchgear comprises an inlay, a sealing sleeve is installed at the upper end of the inlay, a connecting column is installed at the center of the sealing sleeve, a lower bushing is installed at the lower end of the inlay, and further comprises:

[0008] The movable sheet, the pinion is fixedly connected to the side end of the inlay, the side end of the pinion is movably connected to the gear ring, the inside of the gear ring is movably connected to the long gear, and the upper end of the long gear is fixedly connected to the laminated sheet;

[0009] The device for driving the laminations to shrink comprises at least one set of gear transmission structures.

[0010] Preferably, the gear transmission structure includes a pinion, a gear ring, a long gear and a lamination, the pinion is mounted on the side end of the inlay, the side end of the pinion is meshedly connected to the gear ring, the interior of the gear ring is meshedly connected to multiple long gears, and the lamination is fixedly mounted on the upper half of the long gear.

[0011] Preferably, the surface of the pinion protruding from the inlay is connected to the gear ring, and a No. 1 fixing column is installed at the center of the pinion.

[0012] Preferably, a No. 2 fixing column is installed at the center of the plurality of long gears, and the No. 2 fixing column is fixedly connected to the inner wall of the inlay.

[0013] Preferably, one end of the stack is fixed to the upper end of the long gear, and the other end is stepped downward.

[0014] Preferably, a limit block is provided at the lower end of the inlay, and the limit block is installed around the lower end of the inlay.

[0015] Preferably, the limit block is an inverted triangle, and the limit block is slightly curved inwards.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides an insulating bushing for a switchgear, which has the following beneficial effects:

[0018] 1. In the insulating sleeve used in the switchgear, a gear transmission structure is installed inside the inlay. By rotating the small gear at the side end of the inlay, the No. 1 fixing column fixes the position of the small gear. The rotation of the small gear causes the gear ring meshing with it to rotate. The rotation of the gear ring drives multiple long gears inside the gear ring to rotate. The No. 2 fixing column fixes the position of the long gear. A stack is installed above the long gear. When the multiple long gears rotate, the stack above is driven to move, and the stack shrinks inward, thereby adjusting the position of the internal mounting hole. It is easy to use and does not need to be disassembled. It is controlled by the small gear.

[0019] 2. In the insulating sleeve used in the switchgear, multiple limit blocks are installed under the inlay. The limit blocks are set to be inverted triangle shape and slightly bent inward. When the inlay is installed, it will not have additional impact on it. When the inlay reaches a certain position, the limit block retracts and the inverted triangle shape of the limit block is stuck to fix the inlay. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the inlay of the utility model;

[0022] Figure 3 It is a cross-sectional schematic diagram of the inlay of the utility model.

[0023] In the figure: 1. inlay; 2. sealing sleeve; 3. connecting column; 4. lower casing; 5. small gear; 6. gear ring; 7. long gear; 8. lamination; 9. No. 1 fixing column; 10. No. 2 fixing column; 11. limit block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-3An insulating sleeve for a switchgear comprises an inlay 1, a sealing sleeve 2 is installed at the upper end of the inlay 1, a connecting column 3 is installed at the center of the sealing sleeve 2, a lower sleeve 4 is installed at the lower end of the inlay 1, and also comprises: a movable sheet, a pinion 5 is fixedly connected to the side end of the inlay 1, the side end of the pinion 5 is movably connected to a toothed ring 6, the inside of the toothed ring 6 is movably connected to a long gear 7, and the upper end of the long gear 7 is fixedly connected to a stack 8; a device for driving the stack 8 to retract, which comprises at least one set of gear transmission structures, the basic composition of the insulating sleeve, a plurality of gears are installed inside the inlay 1, and the stack 8 is controlled by rotating the external pinion 5 through the connection between the gears.

[0026] Furthermore, the gear transmission structure includes a pinion 5, a gear ring 6, a long gear 7 and a lamination 8. The pinion 5 is installed on the side end of the inlay 1. The side end of the pinion 5 is meshedly connected to the gear ring 6. The inside of the gear ring 6 is meshedly connected to multiple long gears 7. The upper part of the long gear 7 is fixedly installed with the lamination 8. The composition of the gear transmission structure, through the connection between the gears, enables the rotating pinion 5 to drive the rotation of the gear ring 6 and the long gear 7, thereby controlling the lamination 8.

[0027] Furthermore, the surface of the pinion 5 protruding from the inlay 1 is connected to the gear ring 6, and a fixing column No. 9 is installed at the center of the pinion 5. The pinion 5 is installed on the surface of the inlay 1 and on the outside of the inlay 1. The other side of the pinion 5 is connected to the gear ring 6. The fixing column No. 9 fixes the position of the pinion 5 and can directly rotate the pinion 5.

[0028] Furthermore, a second fixing column 10 is installed at the center of the plurality of long gears 7 . The second fixing column 10 is fixedly connected to the inner wall of the inlay 1 , and the second fixing column 10 fixes the long gears 7 .

[0029] Furthermore, one end of the stack 8 is fixed to the upper end of the long gear 7, and the other end is stepped downward. One end of the stack 8 is installed above the long gear 7, and rotates mainly around the center of the long gear 7 when rotating, and the other end is stepped downward. When the stack 8 is in use, the impact on other stacks 8 is reduced.

[0030] Furthermore, a limit block 11 is provided at the lower end of the inlay 1, and the limit block 11 is installed around the lower end of the inlay 1. The limit block 11 is installed at the outer edge of the inlay 1, and multiple limit blocks 11 are installed below the inlay 1, so that the limit block 11 fixes the inlay 1 more firmly.

[0031] Furthermore, the limit block 11 is an inverted triangle, and the limit block 11 is slightly bent inwardly. The slight inward bending allows the limit block 11 to move without affecting the inlay 1. The slightly inverted triangle shape of the limit block 11 allows the back side to clamp the object, thereby fixing the inlay 1.

[0032] Working principle: when the size of the internal mounting hole of the inlay 1 needs to be adjusted, the pinion 5 is rotated, and the No. 1 fixing column 9 fixes the position of the pinion 5. When the pinion 5 rotates, it drives the connected gear ring 6 to rotate. When the gear ring 6 rotates, it drives the multiple long gears 7 inside to rotate. The No. 2 fixing column 10 fixes the position of the long gear 7. When the long gear 7 rotates, it drives the upper stack 8. The multiple stacks 8 move inward to shrink the inside. The size of the mounting hole is adjusted appropriately according to the required size. After the installation is completed, the inlay 1 is placed in a fixed position. When the inlay 1 enters, the limit block 11 under the inlay 1 gradually retracts inward along with the pressure to reduce the influence of the limit block 11 on the inlay 1. When the inlay 1 reaches the determined position, the limit block 11 rebounds, and the limit block 11 turns inverted triangle to clamp the object. Multiple limit blocks 11 fix the inlay 1.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An insulating bushing for a switchgear, comprising an inlay (1), a sealing sleeve (2) being mounted on the upper end of the inlay (1), a connecting column (3) being mounted at the center of the sealing sleeve (2), and a lower bushing (4) being mounted on the lower end of the inlay (1), characterized in that: Also includes: A movable plate, a pinion (5) is fixedly connected to a side end of the inlay (1), the side end of the pinion (5) is movably connected to a toothed ring (6), the interior of the toothed ring (6) is movably connected to a long gear (7), and the upper end of the long gear (7) is fixedly connected to a laminate (8); A device for driving the laminations (8) to contract, comprising at least one set of gear transmission structures.

2. The insulating bushing for a switchgear according to claim 1, characterized in that: The gear transmission structure comprises a pinion (5), a gear ring (6), a long gear (7) and a lamination (8); the pinion (5) is mounted on a side end of the inlay (1); the side end of the pinion (5) is meshedly connected to the gear ring (6); the interior of the gear ring (6) is meshedly connected to a plurality of long gears (7); and the lamination (8) is fixedly mounted on the upper half of the long gear (7).

3. The insulating bushing for a switchgear according to claim 2, characterized in that: The pinion (5) protrudes from the surface of the inlay (1) and is connected to the gear ring (6), and a first fixing column (9) is installed at the center of the pinion (5).

4. The insulating bushing for a switchgear according to claim 2, characterized in that: A second fixing column (10) is installed at the center of the plurality of long gears (7), and the second fixing column (10) is fixedly connected to the inner wall of the inlay (1).

5. The insulating bushing for a switchgear according to claim 2, characterized in that: One end of the stack (8) is fixed to the upper end of the long gear (7), and the other end is stepped downward.

6. The insulating bushing for a switchgear according to claim 1, characterized in that: A limiting block (11) is provided at the lower end of the inlay (1), and the limiting block (11) is installed around the lower end of the inlay (1).

7. The insulating bushing for a switchgear according to claim 6, characterized in that: The limit block (11) is in the shape of an inverted triangle, and the limit block (11) is slightly curved inwards.

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