Electric insulation wall bushing and bushing frame structure thereof

Abstract

The utility model discloses an electric power insulation wall bushing and a bushing frame structure thereof, comprising a threaded bushing, the outer sides of the two ends of the threaded bushing are both in threaded connection with connecting plates, the interiors of the opposite sides of the connecting plates are both movably provided with annular plates, the interior of each connecting plate is provided with four threaded holes A, the two ends of the threaded bushing are both communicated with sealing boxes, and the sealing boxes are communicated with the threaded bushing. And two sealing soft cushions are movably mounted in each sealing box. A rotary knob is screwed to drive a threaded rod to rotate, so that the threaded rod moves in a sealing box, sealing cushions are driven to move, the relative positions of the two sealing cushions are adjusted, the sealing cushions are attached to the outer side of a wire inserted from a wire inlet cylinder, and the outer side of the wire is extruded and covered; and external moisture and dust are prevented from entering the threaded sleeve, so that a joint mounted in a joint mounting hole in the threaded sleeve is protected, and the service life of the device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electric power bushing, specifically relates to an electric power insulation wall bushing and bushing frame structure thereof. BACKGROUND

[0002] Wall bushing is also called wall pipe, waterproof bushing, wall embedded pipe, waterproof bushing is divided into rigid waterproof bushing and flexible waterproof bushing. It is called AC wall bushing for electric conduction in power, and it is divided into dry type capacitor AC wall bushing and porcelain insulation AC wall bushing from material, and it is called silicon rubber bushing and porcelain bushing respectively.

[0003] The wall bushing made of composite silica gel material is inserted with copper bar on the wall bushing and makes the end cover of both ends abut against the end of two insulation sleeves respectively, and the wall bushing is sealed through the abutting action of the end cover and the end of the insulation sleeve, but the gap is generated between the end of the insulation sleeve and the end cover in the actual use of the wall bushing, which reduces the sealing effect of the wall bushing in use. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims at providing an electric power insulation wall bushing and bushing frame structure thereof, solving the problem of gap between the end of the insulation sleeve and the end cover, and reducing the sealing effect of the wall bushing in use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an electric power insulation wall bushing, including threaded sleeve, the outer side of both ends of threaded sleeve is connected with connecting plate in threaded mode, the inside of opposite sides of connecting plate is movably installed with ring plate, the inside of connecting plate is equipped with four threaded holes A, the both ends of threaded sleeve are communicated with sealing box, the inside of sealing box is movably installed with two sealing soft pads, the opposite sides of sealing soft pad are fixedly installed with mounting block, the top and bottom of sealing box are connected with threaded rod in threaded mode, the side of sealing box communicated with threaded sleeve is fixedly installed with telescopic rod, the outside of telescopic rod is sleeved with spring, the inside of threaded sleeve is fixedly installed with connector mounting seat, the inside of connector mounting seat is equipped with connector mounting hole.

[0006] Preferably, the end of the sealing box away from the threaded sleeve is communicated with a wire inlet cylinder.

[0007] Through the above technical scheme, the advantage lies in that the wire can be connected through the wire inlet cylinder, so that the wire is conveniently inserted into the inside of the threaded sleeve.

[0008] Preferably, one end of the threaded rod is rotatably connected with the side of the mounting block away from the sealing soft pad, and the end of the threaded rod away from the mounting block is fixedly installed with a knob.

[0009] The technical scheme has the advantages that the knob is twisted to drive the threaded rod to rotate, so that the threaded rod moves in the sealing box, drives the sealing soft pad to move, adjusts the relative positions of the two sealing soft pads, makes the sealing soft pad adhere to the outer side of the inserted wire from the wire inlet cylinder and extrude and cover the outer side of the wire, thereby preventing external moisture and dust from entering the inside of the threaded sleeve, protecting the joint installed in the joint mounting hole in the inside of the threaded sleeve, and prolonging the service life of the device.

[0010] Preferably, one end of the telescopic rod away from the sealing box is fixedly connected to one side of the ring plate, the telescopic rod comprises an outer cylinder and an inner rod, and the inner rod is movably installed in the inside of the outer cylinder.

[0011] The technical scheme has the advantages that the connecting plate is rotated to move in the threaded sleeve, so that the relative positions of the two connecting plates are adjusted, the relative positions between the two connecting plates are changed, the device is suitable for walls with different thicknesses, the use effect of the device is improved, the position of the ring plate can be kept unchanged when the connecting plate is rotated, and the telescopic rod can be extruded and stretched when the connecting plate moves, so that the inner rod is retracted or elongated in the inside of the outer cylinder.

[0012] Preferably, one end of the spring is fixedly connected to one side of the sealing box, and the other end of the spring away from the sealing box is fixedly connected to one side of the ring plate.

[0013] The technical scheme has the advantages that the spring can be extruded and released when the connecting plate moves to extrude and stretch the telescopic rod, so that a counterforce is applied to the connecting plate, and the stability of the device is improved.

[0014] A sleeve frame for a power insulation wall bushing comprises a sleeve frame cylinder, a moving sleeve A movably installed in the inside of the sleeve frame cylinder, a moving sleeve B movably installed in the inside of the sleeve frame cylinder, a wall sticking plate fixedly installed on one side of the moving sleeve A and the moving sleeve B away from the sleeve frame cylinder, and eight threaded holes B formed in the inside of the wall sticking plate.

[0015] Preferably, rubber sticks are fixedly installed on opposite sides of the wall sticking plate, and a rubber sleeve is fixedly installed on the outside of the sleeve frame cylinder.

[0016] The technical scheme has the advantages that the moving sleeve A and the moving sleeve B can adjust the relative positions of the two wall sticking plates and take out the two wall sticking plates, so that the sleeve frame cylinder can be placed in a placing hole pre-formed in a wall, and the two wall sticking plates are suitable for the two sides of walls with different thicknesses, the rubber sticks and the rubber sleeve can prevent the wall sticking plate and the sleeve frame cylinder from directly contacting the wall, protect the wall, and improve the use effect of the device.

[0017] Preferably, the size of the threaded hole B is matched with the size of the threaded hole A, and the centers of the threaded hole B and the threaded hole A are on the same circle.

[0018] By the above technical scheme, the threaded sleeve can be installed inside the sleeve frame cylinder by screwing the threaded hole A and the threaded hole B, and thus the threaded sleeve can be installed inside the wall.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] 1. By rotating the knob, the threaded rod is driven to rotate, so that the threaded rod moves inside the sealing box, drives the sealing soft pad to move, adjusts the relative position of the two sealing soft pads, makes the sealing soft pad fit the outside of the wire inserted from the wire inlet cylinder, and extrudes and covers the outside of the wire, so that external moisture and dust are prevented from entering the inside of the threaded sleeve, the joint installed in the joint installation hole in the inside of the threaded sleeve is protected, and the service life of the device is improved.

[0021] 2. By rotating the connecting plate to move in the threaded sleeve, the relative position of the two connecting plates is adjusted, the relative position between the two connecting plates is changed, the device is suitable for walls of different thicknesses, the use effect of the device is improved, in addition, the position of the ring plate can remain unchanged when the connecting plate rotates, and the connecting plate can extrude and stretch the telescopic rod when moving, so that the inner rod is retracted or lengthened inside the outer cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a combined three-dimensional structure schematic view of the utility model;

[0023] Figure 2 It is a sleeve three-dimensional structure schematic view of the utility model;

[0024] Figure 3 It is a sleeve cross-sectional structure schematic view of the utility model;

[0025] Figure 4 It is a sleeve frame three-dimensional structure schematic view of the utility model;

[0026] Figure 5 It is a sleeve frame cross-sectional structure schematic view of the utility model.

[0027] In the diagram: 1. Threaded sleeve; 2. Sleeve holder; 3. Telescopic rod; 4. Sealing box; 5. Inlet tube; 6. Knob; 7. Threaded rod; 8. Spring; 9. Rubber pad; 10. Threaded hole A; 11. Wall panel; 12. Rubber sleeve; 13. Connecting plate; 14. Ring plate; 15. Sealing gasket; 16. Mounting block; 18. Connector mounting seat; 19. Connector mounting hole; 20. Moving sleeve A; 21. Moving sleeve B; 22. Threaded hole B. Detailed Implementation

[0028] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] like Figures 1-3 As shown, an electrical insulating through-wall bushing includes a threaded bushing 1. Connecting plates 13 are threadedly connected to the outer sides of both ends of the threaded bushing 1. Ring plates 14 are movably installed inside the opposite sides of the connecting plates 13. Four threaded holes A10 are opened inside each connecting plate 13. Sealing boxes 4 are connected to both ends of the threaded bushing 1. Two sealing pads 15 are movably installed inside each sealing box 4. Mounting blocks 16 are fixedly installed on the opposite sides of each sealing pad 15. Threaded rods 7 are threadedly connected to the top and bottom of the sealing box 4. A telescopic rod 3 is fixedly installed on the side of the sealing box 4 that communicates with the threaded bushing 1. A spring 8 is sleeved on the outer side of the telescopic rod 3. A connector mounting seat 18 is fixedly installed inside the threaded bushing 1. A connector mounting hole 19 is opened inside the connector mounting seat 18.

[0030] The working principle of the above technical solution is as follows:

[0031] The wire can be accessed through the wire inlet cylinder 5, so as to conveniently insert the wire into the inside of the threaded sleeve 1. The threaded rod 7 is driven to rotate by rotating the knob 6, so as to move the threaded rod 7 in the inside of the sealing box 4, drive the sealing soft pad 15 to move, adjust the relative positions of the two sealing soft pads 15, make the sealing soft pad 15 fit and extrude and cover the outside of the wire inserted from the wire inlet cylinder 5, prevent external moisture and dust from entering the inside of the threaded sleeve 1, protect the joint installed in the joint installation hole 19 in the inside of the threaded sleeve 1, and prolong the service life of the device. The connecting plate 13 is driven to rotate and move in the threaded sleeve 1 by rotating, so as to adjust the relative positions of the two connecting plates 13, change the relative positions between the two connecting plates 13, make the device suitable for walls with different thicknesses, and improve the use effect of the device. In addition, the position of the ring plate 14 can remain unchanged when the connecting plate 13 rotates, and the connecting plate 13 can extrude and stretch the telescopic rod 3 when moving, so that the inner rod is retracted or lengthened in the inside of the outer cylinder. When the connecting plate 13 moves to extrude and stretch the telescopic rod 3, the spring 8 can be extruded and released, so as to apply a counterforce to the connecting plate 13 and improve the stability of the device.

[0032] In another embodiment, as shown in Figures 2-3 The sealing box 4 is communicated with the wire inlet cylinder 5 away from one end of the threaded sleeve 1.

[0033] The wire can be accessed through the wire inlet cylinder 5, so as to conveniently insert the wire into the inside of the threaded sleeve 1.

[0034] In another embodiment, as shown in Figures 2-3 One end of the threaded rod 7 is rotatably connected to the side of the mounting block 16 away from the sealing soft pad 15, and the other end of the threaded rod 7 is fixedly installed with the knob 6.

[0035] The threaded rod 7 is driven to rotate by rotating the knob 6, so as to move the threaded rod 7 in the inside of the sealing box 4, drive the sealing soft pad 15 to move, adjust the relative positions of the two sealing soft pads 15, make the sealing soft pad 15 fit and extrude and cover the outside of the wire inserted from the wire inlet cylinder 5, prevent external moisture and dust from entering the inside of the threaded sleeve 1, protect the joint installed in the joint installation hole 19 in the inside of the threaded sleeve 1, and prolong the service life of the device.

[0036] In another embodiment, as shown in Figures 2-3As shown in the figure, one end of the telescopic rod 3 away from the sealing box 4 is fixedly connected with one side of the ring plate 14, the telescopic rod 3 includes an outer cylinder and an inner rod, and the inner rod is movably installed in the inner cylinder, one end of the spring 8 is fixedly connected with one side of the sealing box 4, and the other end of the spring 8 away from the sealing box 4 is fixedly connected with one side of the ring plate 14.

[0037] The relative positions of the two connecting plates 13 can be adjusted by rotating the connecting plate 13 to move in the threaded sleeve 1, so as to change the relative positions between the two connecting plates 13, so that the device is suitable for walls of different thicknesses, and the use effect of the device is improved. In addition, the position of the ring plate 14 can remain unchanged when the connecting plate 13 rotates, and the telescopic rod 3 can be extruded and stretched when the connecting plate 13 moves, so that the inner rod is retracted or elongated in the outer cylinder. When the connecting plate 13 moves, the telescopic rod 3 can be extruded and stretched, and the spring 8 can be extruded and released, so as to exert a counterforce on the connecting plate 13, thereby improving the stability of the device.

[0038] A sleeve holder for a power insulating wall bushing includes a sleeve holder cylinder 2, a moving sleeve A 20 movably installed in the inside of the sleeve holder cylinder 2, a moving sleeve B 21 movably installed in the inside of the sleeve holder cylinder 2, and a wall sticking plate 11 fixedly installed on the side away from the sleeve holder cylinder 2 of the moving sleeve A 20 and the moving sleeve B 21. Eight threaded holes B 22 are formed in the inside of the wall sticking plate 11.

[0039] The threaded sleeve 1 can be installed on the inside of the sleeve holder cylinder 2 by being threadedly connected in the threaded holes A 10 and the threaded holes B 22, so as to be installed in the inside of the wall, the relative positions of the two wall sticking plates 11 can be adjusted by the moving sleeve A 20 and the moving sleeve B 21, and the two wall sticking plates 11 can be taken out, so that the sleeve holder cylinder 2 can be placed in the placement hole previously formed in the wall, and the two wall sticking plates 11 are suitable for the two sides of walls of different thicknesses. The rubber sticking 9 and the rubber sleeve 12 can prevent the wall sticking plate 11 and the sleeve holder cylinder 2 from directly contacting the wall, and can protect the wall, thereby improving the use effect of the device.

[0040] In another embodiment, as shown in the figure, Figures 4-5 The opposite sides of the wall sticking plate 11 are fixedly installed with rubber sticking 9, and the outside of the sleeve holder cylinder 2 is fixedly installed with rubber sleeve 12.

[0041] The relative positions of the two wall sticking plates 11 can be adjusted by the moving sleeve A 20 and the moving sleeve B 21, and the two wall sticking plates 11 can be taken out, so that the sleeve holder cylinder 2 can be placed in the placement hole previously formed in the wall, and the two wall sticking plates 11 are suitable for the two sides of walls of different thicknesses. The rubber sticking 9 and the rubber sleeve 12 can prevent the wall sticking plate 11 and the sleeve holder cylinder 2 from directly contacting the wall, and can protect the wall, thereby improving the use effect of the device.

[0042] In another implementation scheme, such as Figures 4-5 As shown, the dimensions of threaded hole B22 are compatible with those of threaded hole A10, and the centers of threaded hole B22 and threaded hole A10 are on the same circle.

[0043] The threaded sleeve 1 can be installed inside the sleeve support cylinder 2 by means of bolt thread connection to the inside of threaded hole A10 and threaded hole B22, thereby installing the threaded sleeve 1 inside the wall.

[0044] The working principle and usage process of this utility model are as follows: The threaded sleeve 1 is installed inside the sleeve support cylinder 2 by connecting the threaded holes A10 and B22 with bolts, thus installing the threaded sleeve 1 inside the wall. The relative positions of the two wall-mounting plates 11 can be adjusted by the movable sleeves A20 and B21. The two wall-mounting plates 11 can be removed, allowing the sleeve support cylinder 2 to be placed inside the pre-drilled placement hole in the wall. This allows the two wall-mounting plates 11 to be used on both sides of walls of different thicknesses. The rubber pads 9 and rubber sleeves 12 prevent direct contact between the wall-mounting plates 11 and the sleeve support cylinder 2 and the wall, protecting the wall and improving the device's effectiveness. A wire can be connected through the inlet tube 5, facilitating the insertion of the wire into the threaded sleeve 1. Turning the knob 6 rotates the threaded rod 7, causing it to move inside the sealing box 4, thereby moving the sealing pad 15 and adjusting the two sealing pads. The relative positions of the two connecting plates 13 and 14 are adjusted so that the sealing pad 15 fits against the outside of the wire inserted from the inlet cylinder 5 and is squeezed and covered to prevent external moisture and dust from entering the inside of the threaded sleeve 1. This protects the connector installed inside the connector mounting hole 19 inside the threaded sleeve 1, thereby improving the service life of the device. The relative positions of the two connecting plates 13 can be adjusted by rotating the connecting plate 13 in the threaded sleeve 1, thereby changing the relative positions between the two connecting plates 13. This makes the device suitable for walls of different thicknesses and improves the performance of the device. In addition, the position of the ring plate 14 can remain unchanged when the connecting plate 13 rotates. When the connecting plate 13 moves, it can squeeze and stretch the telescopic rod 3, causing the inner rod to retract or extend inside the outer cylinder. When the connecting plate 13 moves and squeezes and stretches the telescopic rod 3, it can squeeze and release the spring 8, thereby applying a reaction force to the connecting plate 13 and improving the stability of the device.

[0045] While the embodiments of the present application have been shown and described, it is to be understood that the embodiments can be varied, modified, substituted and changed by those skilled in the art without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electric power insulating wall bushing comprising a threaded bushing (1), characterized in that: The outer side of both ends of the threaded sleeve (1) is threadedly connected with a connecting plate (13), the inner side of the opposite side of the connecting plate (13) is movably installed with a ring plate (14), the inner side of the connecting plate (13) is provided with four threaded holes A (10), both ends of the threaded sleeve (1) are communicated with a sealing box (4), the inner side of the sealing box (4) is movably installed with two sealing soft pads (15), the opposite side of the sealing soft pad (15) is fixedly installed with a mounting block (16), the top and bottom of the sealing box (4) is threadedly connected with a threaded rod (7), the side of the sealing box (4) communicated with the threaded sleeve (1) is fixedly installed with an extension rod (3), the outer side of the extension rod (3) is sleeved with a spring (8), the inner side of the threaded sleeve (1) is fixedly installed with a connector mounting seat (18), the inner side of the connector mounting seat (18) is provided with a connector mounting hole (19).

2. An electrical power insulating bushing according to claim 1, characterized in that: The end of the sealing box (4) away from the threaded sleeve (1) is communicated with a wire inlet cylinder (5).

3. An electrical power insulating bushing according to claim 1, characterized in that: The end of the threaded rod (7) away from the mounting block (16) is rotatably connected with the side of the sealing soft pad (15), the end of the threaded rod (7) away from the mounting block (16) is fixedly installed with a knob (6).

4. An electrical power insulating bushing according to claim 1, characterized in that: The end of the extension rod (3) away from the sealing box (4) is fixedly connected with the side of the ring plate (14), the extension rod (3) comprises an outer cylinder and an inner rod, and the inner rod is movably installed in the inner side of the outer cylinder.

5. An electrical power insulating bushing according to claim 1, characterized in that: The end of the spring (8) away from the sealing box (4) is fixedly connected with the side of the ring plate (14).

6. A bushing support for a power insulating wall bushing according to any one of claims 1 - 5, characterized in that: The inner side of the sleeve holder cylinder (2) is movably installed with a moving sleeve A (20), the inner side of the sleeve holder cylinder (2) is movably installed with a moving sleeve B (21), the side of the moving sleeve A (20) and the moving sleeve B (21) away from the sleeve holder cylinder (2) is fixedly installed with a wall sticking plate (11), the inner side of the wall sticking plate (11) is provided with eight threaded holes B (22).

7. A bushing support for a power insulating wall bushing according to claim 6, characterized in that: The opposite side of the wall sticking plate (11) is fixedly installed with a rubber sticking (9), the outer side of the sleeve holder cylinder (2) is fixedly installed with a rubber sleeve (12).

8. The bushing support of claim 6, wherein: The specification size of the threaded hole B (22) is matched with the specification size of the threaded hole A (10), and the centers of the threaded hole B (22) and the threaded hole A (10) are on the same circle.

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