CN111029228A

CN111029228A - A quick-connect drop-out fuse

Info

Publication number: CN111029228A
Application number: CN201911317569.XA
Authority: CN
Inventors: 章文海; 周波; 毛益凉; 郑敬禄; 徐贤贵; 毛耀文; 吴寅; 周霞; 吴敏; 厉鹏程; 陈坚; 吴世军; 沈海华; 山建冬; 金飞飞
Original assignee: Hangzhou Beta Equipment Co ltd; Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: Hangzhou Beta Equipment Co ltd; Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-04-17

Abstract

The invention discloses a quick-hook drop-type fuse, comprising a fuse body, a hook and a brass screw, the brass screw is threadedly connected to the bottom of the fuse body, and the hook is connected to the fuse body. The top is detachably connected, and the fuse tube body is provided with a brass wire; the hook includes a hook body, one end of the hook body is provided with a boss extending to the other end of the hook body, and the boss is provided with a The threaded hole is connected with a connecting screw, the top of the connecting screw extends into the hook body, the top of the connecting screw is fixed with a top block, and the bottom end of the connecting screw is fixed with an eye nut. The advantages are: the hook is used to achieve quick connection, and the brass screw can realize the quick connection of the bypass drainage line; the hook is tightened by the connecting screw drive, and then clamped by the top block, so that there will be no loosening and loose clamping during locking. The function of the wire; replacing the original fuse with a brass wire can achieve manual control of the opening and closing of the fuse, which is convenient for work.

Description

Quick-hanging drop-out fuse

Technical Field

The invention relates to a quick-hanging drop-out fuse.

Background

Along with the increasing demand of power supply reliability, the application of intelligent switches is also increasing. In order to change the intelligent switch on the column without power outage, the intelligent switch on the column is changed by using a bypass operation method without power outage at the present stage. However, intelligent switch on the current bypass equipment replacement post is cumbersome to use, a temporary bypass needs to be built by using the bypass switch, the insulating drainage wire and the insulating drainage wire fixing cross arm, the intelligent switch is disconnected after the bypass is switched on, and the drainage wires on two sides are disconnected, so that the intelligent switch is replaced.

The existing bypass live-line work all adopts a bypass switch to complete work, and a special bypass drainage wire needs to be equipped, so that the equipment price is relatively high, the installation of the bypass switch is relatively complex, and the labor consumption is large.

Disclosure of Invention

The invention aims to provide a quick-hanging drop-out fuse, which can effectively solve the problems that a special bypass drainage wire is needed in the existing bypass live-wire work and the equipment price is high.

In order to solve the technical problems, the invention is realized by the following technical scheme: a quick-hanging drop-out fuse comprises a fuse body, a hook and a brass screw, wherein the brass screw is in threaded connection with the bottom of the fuse body, the hook is detachably connected with the top of the fuse body, and a brass wire penetrates through the fuse body;

the couple is including the coupler body, the one end of coupler body is equipped with the boss that extends to the coupler body other end, open threaded hole on the boss, the threaded hole even has connecting screw, connecting screw's top extends to the coupler body in, connecting screw's top is fixed with the kicking block, connecting screw's bottom mounting has eyenut.

Preferably, the threaded hole is opened to the bottom of kicking block and connecting screw's top threaded connection, the top of kicking block is equipped with the cross section and is half-circular arc's recess, the threaded hole of kicking block bottom be convenient for with connecting screw fixed connection, the recess at top simultaneously can be better adaptation cable and press from both sides tightly.

Preferably, the top of fuse body is fixed with the upper junction plate, boss and coupler body junction are equipped with the fixed orifices, pass fixed orifices and upper junction plate through the bolt and will get in touch with the upper junction plate is fixed together, through the upper junction plate, conveniently fix couple and fuse body together.

Preferably, fuse body bottom is equipped with down the connecting plate, the L shape that the connecting plate cross section becomes to invert down includes horizontal plate and vertical board, horizontal plate and fuse body bottom fixed connection, vertical board and brass screw rod fixed connection let the brass screw rod firm be connected with the fuse body through lower connecting plate.

Compared with the prior art, the invention has the advantages that: the hook can be directly hooked with the wire quickly, and the brass screw can realize quick connection of the bypass drainage wire; the hook is driven and screwed by the connecting screw rod, and is clamped by the jacking block, so that the functions of loosening and clamping a wire are avoided during locking; the brass wire is used for replacing the original fuse, so that the purpose of manually controlling the opening and closing of the fuse can be achieved, and the work is convenient.

Drawings

Fig. 1 is a schematic structural view of a quick-attach drop-out fuse according to the present invention;

fig. 2 is an exploded view of fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 and 2, the embodiment of the quick-hanging drop-out fuse disclosed by the invention is characterized in that the quick-hanging drop-out fuse comprises a fuse tube body 50, a hook 51 and a brass screw 52, wherein the brass screw 52 is in threaded connection with the bottom of the fuse tube body 50, the hook 51 is detachably connected with the top of the fuse tube body 50, and a brass wire 53 penetrates through the fuse tube body 50;

the hook 51 comprises a hook body 54, a boss 55 extending towards the other end of the hook body 54 is arranged at one end of the hook body 54, a threaded hole is formed in the boss 55, a connecting screw rod 56 is connected with the threaded hole, the top end of the connecting screw rod 56 extends into the hook body 54, a top block 57 is fixed at the top end of the connecting screw rod 56, and a lifting ring nut 58 is fixed at the bottom end of the connecting screw rod 56.

The hook 51 can be directly hooked with a lead wire quickly, and the brass screw 52 can realize quick connection of a bypass drainage wire; the hook 51 is driven and screwed by the connecting screw rod 56 and clamped by the top block 57, so that the functions of loosening and clamping a wire cannot occur during locking; the brass wire 53 is used for replacing the original fuse, so that the purpose of manually controlling the opening and closing of the fuse can be achieved, and the work is convenient.

Further, in order to better connect the hook 51 with a cable, the bottom of the top block is provided with a threaded hole in threaded connection with the top end of the connecting screw rod 56, and the top of the top block is provided with a groove 59 with a semi-arc-shaped cross section.

In order to facilitate the connection between the hook 51 and the brass screw 52 and the fuse tube 50, an upper connecting plate 60 is fixed on the top of the fuse tube 50, a fixing hole 61 is formed at the connection between the boss 55 and the hook body 54, and the hook 51 and the upper connecting plate 60 are fixed together by bolts passing through the fixing hole 61 and the upper connecting plate 60. Fuse body 50 bottom is equipped with lower connecting plate 62, lower connecting plate cross section becomes L shape of invering and includes horizontal plate 63 and vertical board 64, horizontal plate 63 and fuse body 50 bottom fixed connection, vertical board 64 and brass screw 52 fixed connection.

In the assembling process, the connecting screw rod 56 penetrates through the threaded hole in the boss 55 from bottom to top, then the top block 57 is fixed at the top of the screw rod by using a spring pin, then the lifting ring nut 58 is fixed at the tail of the screw rod by using the spring pin, and the hook 51 is partially assembled. The brass wire 53 penetrates through the fuse tube body 50 and is locked on a contact of the fuse tube body 50 by a nut, so that the condition that the fuse tube body 50 is moved and falls off when overcurrent can be avoided, and the fuse tube body 50 can be disconnected only by manually pulling a pull ring on the fuse tube body 50. The brass screw 52 is screwed on the lower connecting plate 62 through a nut, so that the drainage wire hook 51 can be hung conveniently. The hook 51 is fixed with the upper connecting plate 60 by bolts through the fixing holes 61, and the assembly of the whole device is completed.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.

Claims

1. The utility model provides a quick articulate drop out fuse which characterized in that: the fuse wire connecting structure comprises a fuse tube body (50), a hook (51) and a brass screw (52), wherein the brass screw (52) is in threaded connection with the bottom of the fuse tube body (50), the hook (51) is detachably connected with the top of the fuse tube body (50), and a brass wire (53) penetrates through the fuse tube body (50);

couple (51) are including coupler body (54), the one end of coupler body (54) is equipped with boss (55) that extend to coupler body (54) other end, open threaded hole on boss (55), the threaded hole even has connecting screw (56), extend in the top of connecting screw (56) to coupler body (54), the top of connecting screw (56) is fixed with kicking block (57), the bottom mounting of connecting screw (56) has eye nut (58).

2. A quick-attach drop out fuse as claimed in claim 1, wherein: the bottom of the ejector block is provided with a threaded hole which is in threaded connection with the top end of the connecting screw rod (56), and the top of the ejector block is provided with a groove (59) with a semicircular arc-shaped cross section.

3. A quick-attach drop out fuse as claimed in claim 1, wherein: the top of fuse body (50) is fixed with upper junction plate (60), boss (55) and coupler body (54) junction are equipped with fixed orifices (61), pass fixed orifices (61) and upper junction plate (60) through the bolt and fix couple (51) and upper junction plate (60) together.

4. A quick-attach drop out fuse as claimed in claim 1, wherein: fuse body (50) bottom is equipped with down connecting plate (62), the L shape that the connecting plate cross section becomes to invert down includes horizontal plate (63) and vertical board (64), horizontal plate (63) and fuse body (50) bottom fixed connection, vertical board (64) and brass screw rod (52) fixed connection.