CN219267590U

CN219267590U - Adjustable general type drop-out fusion tube

Info

Publication number: CN219267590U
Application number: CN202223460035.2U
Authority: CN
Inventors: 张华琳; 聂健斌; 欧光伟; 黄丽斌; 颜铭达; 张功铭; 林健; 李丽; 黄志勇
Original assignee: Nanping Power Supply Co Of State Grid Fujian Electric Power Co; State Grid Fujian Electric Power Co Ltd; Shaowu Power Supply Co of State Grid Fujian Electric Power Co Ltd
Current assignee: Nanping Power Supply Co Of State Grid Fujian Electric Power Co; State Grid Fujian Electric Power Co Ltd; Shaowu Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date: 2022-12-24
Filing date: 2022-12-24
Publication date: 2023-06-27
Anticipated expiration: 2032-12-24

Abstract

The utility model relates to an adjustable universal drop-out type fusion tube which comprises a fusion tube body, wherein the fusion tube body comprises a connecting sleeve, an upper fusion tube and a lower fusion tube, the middle position of the connecting sleeve is movably connected with a rotating sleeve through a bearing, two end sides of the rotating sleeve are respectively provided with a connecting fusion tube in the connecting sleeve, the outer sides of a pair of connecting fusion tubes are respectively provided with external threads, the opposite sides of the upper fusion tube and the lower fusion tube are respectively positioned in the connecting sleeve and are provided with a threaded hole, the threaded holes are in threaded connection with the external threads on the connecting fusion tube, the top of the connecting sleeve is provided with a connecting seat, two end sides of the connecting seat are respectively provided with a telescopic mechanism, and two end sides of the connecting seat are respectively connected with a connecting rod through the telescopic mechanism. The device can realize quick extension and shortening of the fusion tube, so that insulators with different sizes are matched for installation, a large number of fusion tube bodies with different sizes are carried during replacement and maintenance, the time for matching the fusion tube bodies is shortened, and the working efficiency during replacement and maintenance is improved.

Description

Adjustable general type drop-out fusion tube

Technical Field

The utility model relates to an adjustable universal drop-out type fusion tube, and belongs to the technical field of fuses.

Background

Drop-out fuses are one of the most commonly used types of short-circuit protection switches for 10kV distribution line branch lines and distribution transformers. The novel drop-out fuse has the characteristics of economy, convenient operation, strong adaptability to outdoor environment and the like, is widely applied to the primary side of a 10kV distribution line and a distribution transformer as protection and equipment switching operation, and consists of a fusion tube, a moving contact and an insulator, wherein the drop-out fuse is a consumable product in actual use, the insulator is often required to be replaced, the insulator is numerous in size and model, the fusion tube with different length and size is required to be matched, the carrying capacity is large in replacement and rush repair, the time is wasted in the process of matching and installation, and the replacement and rush repair efficiency is greatly reduced.

Accordingly, in view of the above, research and improvement are made to the existing structure and the defects, and an adjustable universal drop-out type fusion tube is provided to achieve the purpose of having more practical value.

Disclosure of Invention

In view of the defects in the prior art, the technical problem to be solved by the utility model is to provide an adjustable universal drop-out fusion tube.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an adjustable general type drop-out fusion tube, includes the fusion tube body, the fusion tube body includes the adapter sleeve, goes up fusion tube and lower fusion tube, the intermediate position of adapter sleeve has the rotation cover through bearing swing joint, the both ends side that rotates the cover all is equipped with the connection fusion tube in the inside of adapter sleeve, and a pair of the outside of connecting the fusion tube all is equipped with the external screw thread, go up the fusion tube and the opposite one side of lower fusion tube is located the inside of adapter sleeve respectively to offer threaded hole, just threaded hole and the mutual spiro union of external screw thread on the connection fusion tube, the top position of adapter sleeve is equipped with the connecting seat, the both ends side of connecting seat all is equipped with telescopic machanism, the both ends side of connecting seat all is connected with the connecting rod through telescopic machanism, and a pair of the bottom of connecting rod respectively with the top fixed connection of last fusion tube and lower fusion tube.

Preferably, the telescopic mechanism comprises a fixed sleeve and a movable rod, wherein a chute is formed in one side of the fixed sleeve, one end of the movable rod is slidably connected with the chute, and the other end of the movable rod is fixedly connected with the connecting rod.

Preferably, a compression spring is arranged on one side of the inside of the sliding groove, and one end of the compression spring is fixedly connected with one side of the movable rod.

Preferably, a handle is arranged at the top end of the connecting seat.

Preferably, the upper melting pipe is provided with a release cap at one end far away from the connecting sleeve, and an operation ring is installed at the top end close to one side of the release cap.

Preferably, the bottom ends of one side of the upper melting pipe and the lower melting pipe far away from the connecting sleeve are respectively provided with an upper contact and a lower contact, the bottom ends of the upper contact and the lower contact are respectively provided with an upper support and a lower support, and an insulator is connected between the upper support and the lower support.

Compared with the prior art, the utility model has the following beneficial effects: according to the adjustable universal drop-out fusion tube, a person holds the handle on the connecting seat and rotates the rotating sleeve on the connecting sleeve, the external threads connected with the fusion tube are utilized to rotate, so that the upper fusion tube and the lower fusion tube on two sides of the connecting sleeve can move towards two sides simultaneously, the fusion tube body can be quickly prolonged, the rotating sleeve is reversely rotated, the fusion tube body can be quickly shortened, so that insulators with different sizes can be matched for installation, a large number of fusion tube bodies with different sizes can be carried during replacement and maintenance, the time for matching the fusion tube body is shortened, and the working efficiency during replacement and maintenance is improved.

The utility model will be described in further detail with reference to the drawings and the detailed description.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is an enlarged schematic view of the structure a of fig. 1 according to the present utility model.

FIG. 3 is a side cross-sectional view of the fusion pipe body of the present utility model.

Fig. 4 is an enlarged schematic view of the B structure of fig. 3 in accordance with the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. connecting sleeves; 101. a rotating sleeve; 102. connecting a fusion pipe; 2. an upper fusion pipe; 3. a lower fusion pipe; 4. an operating ring; 5. releasing the cap; 6. an upper contact; 7. a lower contact; 8. an upper support; 9. a lower support; 10. an insulator; 11. a threaded hole; 12. a connecting rod; 13. a fixed sleeve; 1301. a chute; 1302. a movable rod; 1303. a compression spring; 14. a connecting seat; 15. a handle.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As shown in fig. 1-4, this embodiment provides an adjustable general drop-out fusion tube, including the fusion tube body, the fusion tube body includes adapter sleeve 1, goes up fusion tube 2 and lower fusion tube 3, there is rotation cover 101 in the intermediate position of adapter sleeve 1 through bearing swing joint, the both ends side of rotation cover 101 all is equipped with connection fusion tube 102 in the inside of adapter sleeve 1, and a pair of the outside of connection fusion tube 102 all is equipped with the external screw thread, the opposite one side of going up fusion tube 2 and lower fusion tube 3 is located the inside of adapter sleeve 1 respectively to offer threaded hole 11, just threaded hole 11 and the mutual spiro union of external screw thread on the connection fusion tube 102, the top position of adapter sleeve 1 is equipped with connecting seat 14, the both ends side of connecting seat 14 all is equipped with telescopic machanism, the both ends side of connecting seat 14 all is connected with connecting rod 12, and a pair of the bottom of connecting rod 12 respectively with the top fixed connection of last fusion tube 2 and lower fusion tube 3.

In the embodiment of the present utility model, the telescopic mechanisms include a fixed sleeve 13 and a movable rod 1302, a sliding groove 1301 is formed on one side of the fixed sleeve 13, one end of the movable rod 1302 is slidably connected with the sliding groove 1301, and the other end of the movable rod 1302 is fixedly connected with the connecting rod 12. Through telescopic machanism's setting, be convenient for realize that upper fusion pipe 2 and lower fusion pipe 3 remain stable when extension and shortening.

In the embodiment of the present utility model, a compression spring 1303 is disposed at one side of the inside of the chute 1301, and one end of the compression spring 1303 is fixedly connected to one side of the movable rod 1302. The force of the compression spring 1303 provides assistance when the upper fusion pipe 2 and the lower fusion pipe 3 are extended.

In the embodiment of the present utility model, a handle 15 is disposed at the top end of the connecting seat 14. By the arrangement of the handle 15, the holding is convenient for the personnel.

In the embodiment of the utility model, the upper melting pipe 2 is provided with a release cap 5 at one end far away from the connecting sleeve 1, and the upper melting pipe 2 is provided with an operating ring 4 at the top end near one side of the release cap 5.

In the embodiment of the utility model, the bottom ends of one side, far away from the connecting sleeve 1, of the upper fusion pipe 2 and the lower fusion pipe 3 are respectively provided with an upper contact 6 and a lower contact 7, the bottom ends of the upper contact 6 and the lower contact 7 are respectively provided with an upper support 8 and a lower support 9, and an insulator 10 is connected between the upper support 8 and the lower support 9.

The working principle of the embodiment is as follows: when the drop-out fuse is replaced and salvaged, according to the size model of different insulators 10, through the handle 15 on the top of the handheld connecting seat 14 of staff, the rotating sleeve 101 on the connecting sleeve 1 is rotated again, the external threads connected with the fusion tube 102 are utilized to rotate, the upper fusion tube 2 and the lower fusion tube 3 on two sides of the connecting sleeve 1 can move towards two sides simultaneously, the fusion tube body can be quickly prolonged, meanwhile, the rotating sleeve 101 is reversely rotated, the quick shortening of the fusion tube body can be realized, so that the insulators 10 with different sizes are matched for installation, a large number of fusion tube bodies with different sizes are carried during replacement and maintenance, the time for matching the fusion tube body is shortened, and the working efficiency during replacement and maintenance is improved.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides an adjustable general type drop-out fusion tube, includes fusion tube body, its characterized in that: the utility model provides a smelting pipe body includes adapter sleeve (1), goes up smelting pipe (2) and lower smelting pipe (3), the intermediate position of adapter sleeve (1) has rotation cover (101) through bearing swing joint, the both ends side of rotation cover (101) all is equipped with connection smelting pipe (102) in the inside of adapter sleeve (1), and a pair of the outside of connection smelting pipe (102) all is equipped with the external screw thread, the inside of adapter sleeve (1) is located respectively to the opposite one side of going up smelting pipe (2) and lower smelting pipe (3) to threaded hole (11) have been seted up, just threaded hole (11) and the mutual spiro union of external screw thread on connection smelting pipe (102), the top position of adapter sleeve (1) is equipped with connecting seat (14), the both ends side of connecting seat (14) all is equipped with telescopic machanism, the both ends side of connecting seat (14) all is connected with connecting rod (12) through telescopic machanism, and a pair of the bottom of connecting rod (12) respectively with the top fixed connection of last smelting pipe (2) and lower smelting pipe (3).

2. The adjustable universal drop tube as claimed in claim 1, wherein: the telescopic mechanism comprises a fixed sleeve (13) and a movable rod (1302), wherein a sliding groove (1301) is formed in one side of the fixed sleeve (13), one end of the movable rod (1302) is slidably connected with the sliding groove (1301), and the other end of the movable rod (1302) is fixedly connected with a connecting rod (12).

3. The adjustable universal drop tube as claimed in claim 2, wherein: compression springs (1303) are arranged on one side of the inside of the sliding groove (1301), and one ends of the compression springs (1303) are fixedly connected with one side of the movable rod (1302).

4. The adjustable universal drop tube as claimed in claim 1, wherein: the top end of the connecting seat (14) is provided with a handle (15).

5. The adjustable universal drop tube as claimed in claim 1, wherein: the upper melting pipe (2) is provided with a release cap (5) at one end far away from the connecting sleeve (1), and the upper melting pipe (2) is provided with an operation ring (4) at the top end close to one side of the release cap (5).

6. The adjustable universal drop tube as claimed in claim 1, wherein: the upper melting pipe (2) and the lower melting pipe (3) are respectively provided with an upper contact (6) and a lower contact (7) at the bottom end of one side far away from the connecting sleeve (1), the bottom ends of the upper contact (6) and the lower contact (7) are respectively provided with an upper support (8) and a lower support (9), and an insulator (10) is connected between the upper support (8) and the lower support (9).