CN220420412U

CN220420412U - Transformer pipe sleeve

Info

Publication number: CN220420412U
Application number: CN202320955761.7U
Authority: CN
Inventors: 朱郅宸; 彭玉杨; 叶传望; 吴海军; 朱治宇
Original assignee: Huizhou Hongchangda Electronics Co ltd
Current assignee: Guangdong Wuhe Electrical Equipment Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2024-01-30
Anticipated expiration: 2033-04-25

Abstract

The utility model discloses a transformer pipe sleeve, which comprises a sleeve body, wherein a wiring terminal is fixed at the top end of the sleeve body, a fixing plate is fixed on the bottom end surface of the sleeve body, a flange is sleeved on the bottom end surface of the sleeve body, the flange is positioned above the fixing plate, an annular plate is fixed on the upper surface of the flange, a protection structure is fixed on the inner side of the annular plate, and the protection structure is positioned on the outer side of the sleeve body. According to the utility model, the sleeve body, the flange, the annular plate, the protection structure, the clamping rod and the positioning rod are arranged, the sleeve body can be fixed at the top of the transformer box body through the flange, the protection structure can be fixed in the annular plate through the clamping rod, the sleeve body is protected by the protection structure, the movement of the clamping rod is controlled by the positioning rod, and when the protection structure is damaged or the sleeve body needs to be overhauled, the protection structure can be quickly disassembled, so that a more convenient effect is achieved.

Description

Transformer pipe sleeve

Technical Field

The utility model relates to the technical field of transformer accessories, in particular to a transformer pipe sleeve.

Background

The transformer bushing is a main insulating device outside the transformer box, the outgoing lines of the transformer winding must pass through the insulating bushing, so that the outgoing lines and the transformer shell are insulated, and meanwhile, the transformer bushing plays a role of fixing the outgoing lines, and the transformer bushing is the insulating bushing for guiding high and low voltage leads inside the transformer to the outside of the oil tank, is used as the lead to ground for insulation, and plays a role of fixing the lead, and is one of current-carrying elements of the transformer, and in the operation of the transformer, load current passes for a long time, and short-circuit current passes when short-circuit occurs outside the transformer.

The sleeve of the transformer is made of ceramic, and the ceramic is brittle, so that the ceramic is broken if collision occurs. The surface of the existing transformer bushing does not have a structure for protecting the ceramic bushing, and certain limitations exist. Therefore, the utility model provides a transformer pipe sleeve with a protective structure.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a transformer pipe sleeve.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a transformer pipe box, includes the sleeve pipe body, sleeve pipe body top is fixed with binding post, sleeve pipe body bottom fixed surface has the fixed plate, sleeve pipe body bottom surface has cup jointed the flange, the flange is located the fixed plate top, fixed surface has the annular plate on the flange, the annular plate inboard is fixed with protective structure, protective structure is located the sleeve pipe body outside, the perforation has all been seted up to the annular plate both sides, perforation inside sliding connection has the clamping bar that is used for fixed protective structure, the movable groove has been seted up on the perforation top, the opening has all been seted up to movable groove top and bottom, the inside sliding connection of movable groove has the locating lever that is used for the location clamping bar.

Further, a plurality of mounting holes have been seted up to the flange side, sleeve pipe body bottom surface has cup jointed the rubber circle, and the rubber circle is laminated with the fixed plate lower surface, can press the fixed plate to fix at the top of transformer box through the flange, and the rubber circle plays sealed and insulating effect.

Further, the protection structure comprises a bottom ring and a top ring, a plurality of protection rods are fixed between the bottom ring and the top ring at equal distance, and the bottom ring is positioned inside the annular plate. The protection structure can be fixed inside the annular plate through the bottom ring, and the protection structure can be used for protecting the sleeve body.

Further, the clamping groove is formed in the position, close to the clamping rod, of the outer side wall of the bottom ring, one end, located in the annular plate, of the clamping rod is clamped into the clamping groove, the end cap is fixed to the outer end, located outside the annular plate, of the clamping rod, and the end cap and the outer side wall of the annular plate are fixedly connected with a first spring. The clamping rod can be pulled to be clamped into the clamping groove through the first spring, so that the protection structure is fixed.

Further, the upper surface of the clamping rod, which is positioned at one end inside the annular plate, is provided with a positioning groove for inserting the positioning rod. After the locating rod is clamped into the locating groove, the clamping rod is separated from the clamping hole, and the bottom ring can be detached from the annular plate.

Further, a convex ring is fixed on the surface of the top end of the positioning rod and is in sliding connection with the movable groove, and a second spring is fixedly connected with the lower surface of the convex ring and the inner bottom wall of the movable groove. The second spring can pull the positioning rod to descend and clamp the positioning groove on the clamping rod.

Further, the end cap is far away from clamping rod one side and the locating lever top all is fixed with the pull ring. The positioning rod and the clamping rod can be pulled through the pull ring.

The utility model has the beneficial effects that:

when the transformer box is used, the sleeve body can be fixed at the top of the transformer box through the flange by arranging the sleeve body, the flange, the annular plate, the protection structure, the clamping rod and the positioning rod, the protection structure can be fixed in the annular plate through the clamping rod, the sleeve body is protected by the protection structure, the movement of the clamping rod is controlled by the positioning rod, and when the protection structure is damaged or the sleeve body needs to be overhauled, the protection structure can be quickly disassembled, so that a more convenient effect is achieved.

Drawings

FIG. 1 is an overall schematic of the present utility model;

FIG. 2 is a perspective view of a protective structure according to the present utility model;

fig. 3 is an enlarged view at a in fig. 1.

Legend description:

1. a sleeve body; 2. a connection terminal; 3. a fixing plate; 4. a flange; 5. an annular plate; 6. a protective structure; 61. a bottom ring; 62. a top ring; 63. a guard bar; 64. a clamping groove; 7. perforating; 8. a clamping rod; 9. an end cap; 10. a first spring; 11. a movable groove; 12. an opening; 13. a positioning rod; 14. a convex ring; 15. a second spring; 16. a positioning groove; 17. a rubber ring.

Detailed Description

As shown in fig. 1-3, relate to a transformer pipe sleeve, including sleeve pipe body 1, sleeve pipe body 1 top is fixed with binding post 2, sleeve pipe body 1 bottom fixed surface has fixed plate 3, sleeve pipe body 1 bottom surface has cup jointed flange 4, flange 4 is located fixed plate 3 top, fixed surface has annular plate 5 on flange 4, annular plate 5 inboard is fixed with protective structure 6, protective structure 6 is located sleeve pipe body 1 outside, perforation 7 has all been seted up to annular plate 5 both sides, perforation 7 inside sliding connection has the clamping lever 8 that is used for fixing protective structure 6, movable groove 11 has been seted up on perforation 7 top, opening 12 has all been seted up to movable groove 11 top and bottom, the inside sliding connection of movable groove 11 has the locating lever 13 that is used for locating clamping lever 8.

As shown in fig. 1, a plurality of mounting holes are formed on the side edge of the flange 4, a rubber ring 17 is sleeved on the bottom end surface of the sleeve body 1, and the rubber ring 17 is attached to the lower surface of the fixing plate 3. The fixing plate 3 can be pressed and fixed on the upper surface of the transformer box body through the mounting hole on the flange 4, thereby realizing the fixation of the sleeve body 1, and the rubber ring 17 is attached to the transformer box body, so that the functions of sealing and insulation can be achieved.

As shown in fig. 1 and 2, the guard structure 6 includes a bottom ring 61 and a top ring 62, a plurality of guard bars 63 are fixed between the bottom ring 61 and the top ring 62 at equal distances, and the bottom ring 61 is located inside the annular plate 5. The protection structure 6 can be installed and limited through the annular plate 5, and the protection structure 6 can play a role in protecting the sleeve body 1.

As shown in fig. 1 and 3, a clamping groove 64 is formed in the outer side wall of the bottom ring 61 near the clamping rod 8, one end of the clamping rod 8 positioned in the annular plate 5 is clamped into the clamping groove 64, one end of the clamping rod 8 positioned outside the annular plate 5 is fixedly provided with an end cap 9, and the end cap 9 and the outer side wall of the annular plate 5 are fixedly connected with a first spring 10. The end cap 9 is far away from the clamping rod 8 side and the top end of the positioning rod 13 is fixed with a pull ring. The first spring 10 can pull the clamping rod 8 to be clamped into the clamping groove 64 on the outer side wall of the bottom ring 61, so that the whole protection structure 6 is fixed.

As shown in fig. 1 and 3, a positioning groove 16 for inserting the positioning rod 13 is formed in the upper surface of the clamping rod 8 at one end inside the annular plate 5. The top surface of the positioning rod 13 is fixed with a convex ring 14, the convex ring 14 is in sliding connection with the movable groove 11, and the lower surface of the convex ring 14 and the inner bottom wall of the movable groove 11 are fixedly connected with a second spring 15. The second spring 15 can pull the positioning rod 13 to descend and clamp into the positioning groove 16 at the top of the clamping rod 8, so that the clamping rod 8 is fixed.

When in use, the utility model is characterized in that: when the protection structure 6 needs to be disassembled to overhaul the sleeve body 1 or replace the new protection structure 6, the clamping rod 8 is pulled first, so that the clamping rod 8 is separated from the clamping groove 64 on the bottom ring 61, and along with the movement of the clamping rod 8, when the positioning groove 16 passes below the positioning rod 13, the positioning rod 13 is pulled by the second spring 15 to descend and clamp into the positioning groove 16, so that the clamping rod 8 is fixed, and at the moment, the bottom ring 61 can be taken out from the inside of the annular plate 5, so that the protection structure 6 is disassembled. If the protection structure 6 is replaced, the bottom ring 61 of the new protection structure 6 is placed in the annular plate 5, the clamping groove 64 is aligned to the clamping rod 8, then the positioning rod 13 is pulled upwards, and after the positioning rod 13 is separated from the positioning groove 16, the first spring 10 pulls the clamping rod 8 to be clamped in the clamping groove 64, so that the fixed installation of the protection structure 6 is realized.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A transformer pipe sleeve, comprising a sleeve body (1), characterized in that: the novel socket comprises a socket body (1), wherein a binding post (2) is fixed at the top end of the socket body (1), a fixing plate (3) is fixed on the bottom end surface of the socket body (1), a flange (4) is sleeved on the bottom end surface of the socket body (1), an annular plate (5) is fixed on the upper surface of the flange (4), a protection structure (6) is fixed on the inner side of the annular plate (5), the protection structure (6) is located the outer side of the socket body (1), perforations (7) are formed in two sides of the annular plate (5), clamping rods (8) for fixing the protection structure (6) are connected to the inner side of the perforations (7) in a sliding mode, movable grooves (11) are formed in the top ends of the perforations (7), openings (12) are formed in the top ends and the bottom ends of the movable grooves (11), and positioning rods (13) for positioning the clamping rods (8) are connected to the inner side of the movable grooves (11) in a sliding mode.

2. A transformer bushing according to claim 1, wherein: a plurality of mounting holes are formed in the side edge of the flange (4), a rubber ring (17) is sleeved on the bottom end surface of the sleeve body (1), and the rubber ring (17) is attached to the lower surface of the fixing plate (3).

3. A transformer bushing according to claim 1, wherein: the protection structure (6) comprises a bottom ring (61) and a top ring (62), a plurality of protection rods (63) are fixed between the bottom ring (61) and the top ring (62) at equal distances, and the bottom ring (61) is positioned inside the annular plate (5).

4. A transformer bushing according to claim 3, wherein: clamping grooves (64) are formed in the outer side wall of the bottom ring (61) close to the clamping rods (8), one end of each clamping rod (8) located in the annular plate (5) is clamped into the corresponding clamping groove (64), one end of each clamping rod (8) located outside the annular plate (5) is fixedly provided with an end cap (9), and the end caps (9) and the outer side wall of the annular plate (5) are fixedly connected with first springs (10) together.

5. A transformer bushing according to claim 1, wherein: the upper surface of the clamping rod (8) at one end inside the annular plate (5) is provided with a positioning groove (16) for inserting the positioning rod (13).

6. A transformer bushing according to claim 1, wherein: the top surface of the positioning rod (13) is fixedly provided with a convex ring (14), the convex ring (14) is in sliding connection with the movable groove (11), and the lower surface of the convex ring (14) and the inner bottom wall of the movable groove (11) are fixedly connected with a second spring (15) together.

7. A transformer bushing according to claim 4, wherein: and pull rings are fixed at the top ends of the end caps (9) far away from the clamping rods (8) and the positioning rods (13).