CN210443518U

CN210443518U - Fuse protector

Info

Publication number: CN210443518U
Application number: CN201920765942.7U
Authority: CN
Inventors: 林剑锋
Original assignee: Zhejiang Fuerte Electrical Apparatus Co ltd
Current assignee: Zhejiang Fuerte Electrical Apparatus Co ltd
Priority date: 2019-05-25
Filing date: 2019-05-25
Publication date: 2020-05-01
Anticipated expiration: 2029-05-25

Abstract

The utility model relates to a technical field of fuse discloses a fuse, including fuse main part and mounting panel, on the fuse main part was fixed in the mounting panel, be fixed with the connecting plate in the fuse main part, the connecting plate passed through the bolt fastening with the mounting panel, was equipped with the location structure who is used for positioning bolt on the connecting plate, and location structure includes slide bar and dwang, and dwang swing joint is on the connecting plate, and the slide bar cunning is located on the dwang and can correspond with the bolt and peg graft. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization, connecting plate and for the mounting panel bolt tentatively fixed, the dwang can drive the rotation of slide bar cooperation bolt and move about on the connecting plate, the slide bar is slided and is located on the dwang to make the slide bar both can correspond with the bolt and peg graft, again can with the bolt separation, be convenient for realize the dismouting of fuse main part, avoid consequently not hard up the unstable problem of installation that leads to the fuse because of the bolt rotates, be convenient for realize the firm fixed of fuse.

Description

Fuse protector

Technical Field

The utility model belongs to the technical field of the technique of fuse and specifically relates to a fuse is related to.

Background

The fuse is a current protector made by using the principle that after the current exceeds a specified value for a period of time, the melt is melted by the heat generated by the fuse, so that the circuit is disconnected. The fuse is widely applied to high and low voltage distribution systems, control systems and electric equipment, and is one of the most commonly applied protection devices as a short circuit and overcurrent protector.

At present, a patent with publication number CN205406479U discloses a drop-out fuse, which includes a post insulator, wherein an incoming line wiring terminal is installed on one side of the upper end of the post insulator, the end of the incoming line wiring terminal is electrically connected with an upper static contact, an outgoing line wiring terminal is installed on the same side of the lower end of the post insulator, and the end of the outgoing line wiring terminal is electrically connected with a lower static contact; a rainproof cover covers the upper part of the upper static contact, and a fuse tube is arranged below the upper static contact; the upper end of the fuse tube is provided with a breaking draw hook, and a contact spring is arranged between the breaking draw hook and the upper static contact; an elastic steel frame is arranged between the lower end of the fuse tube and the lower static contact; the middle part of post insulator is equipped with the connecting plate, the connecting plate detachable connection has the installing support.

Generally, the fuse in the prior art is fixed on the mounting plate only by bolts, and the connection mode is likely to cause unstable installation of the fuse due to loosening and rotation of the bolts, and the fuse is installed at a high position on a telegraph pole, and the instable installation of the fuse causes a safety hazard, so the improvement is still needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a fuse avoids rotating the unstable problem of installation that leads to the fuse because of the bolt is not hard up, is convenient for realize the firm fixed of fuse.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a fuse, includes fuse main part and mounting panel, on the fuse main part is fixed in the mounting panel, be fixed with the connecting plate in the fuse main part, the connecting plate with the mounting panel passes through the bolt fastening, be equipped with on the connecting plate and be used for the location structure of bolt, location structure includes slide bar and dwang, dwang swing joint in on the connecting plate, slide bar cunning is located on the dwang and can with the bolt corresponds to peg graft.

Through adopting above-mentioned technical scheme, connecting plate and for the mounting panel bolt tentatively fixed, the dwang is movable on the connecting plate, make the dwang can drive the rotation of slide bar cooperation bolt and move about, the slide bar cunning is located on the dwang to make the slide bar both can correspond with the bolt and peg graft, again can with the bolt separation, be convenient for realize the dismouting of fuse main part, avoid consequently not hard up the installation unstable problem that rotates the fuse because of the bolt, be convenient for realize the firm fixed of fuse.

The utility model discloses further set up to: the sliding rod is movably connected to the rotating rod through a sliding structure.

Through adopting above-mentioned technical scheme, sliding construction realizes the activity of the pole that slides on the dwang, is convenient for realize the corresponding grafting or the separation of pole and bolt that slides.

The utility model discloses further set up to: sliding construction includes annular slab and sliding tray, the sliding tray form in the dwang, annular slab fixed connection in on the sliding tray and the cunning locate the sliding tray, just the annular slab rotates to be connected in the sliding tray.

Through adopting above-mentioned technical scheme, the sliding tray in the dwang provides the space for the holding and the slip of annular slab, realizes the stable connection of pole that slides on the dwang by the annular slab, and the annular slab can rotate in the sliding tray to be convenient for make the pole that slides stagger with the bolt, avoid influencing the installation of bolt.

The utility model discloses further set up to: the sliding groove with install connecting spring on the annular plate, just connecting spring's one end is fixed in the sliding groove, the other end butt in the annular plate.

By adopting the technical scheme, the annular plate can move towards one side close to the bolt under the abutting force of the connecting spring, so that the sliding rod can be stably inserted on the bolt; the connecting spring is abutted against the annular plate, so that the connecting spring does not influence the rotation of the annular plate, and the operation of staggering the sliding rod and the bolt can be realized.

The utility model discloses further set up to: the rotating rod is rotatably connected to the connecting plate through a rotating structure.

Through adopting above-mentioned technical scheme, revolution mechanic realizes the rotation of dwang on the connecting plate, makes the dwang can cooperate the rotation of bolt and remove.

The utility model discloses further set up to: the rotating structure comprises a fixed block and a rotating groove, the rotating groove is formed in the connecting plate and located at the periphery of the bolt, the fixed block is fixed on the side wall of the rotating rod and is slidably arranged in the rotating groove.

Through adopting above-mentioned technical scheme, the rotation groove on the connecting plate forms in the periphery of bolt, and the fixed block is fixed in the dwang lateral wall, realizes the stable connection of dwang and connecting plate through the cooperation of fixed block and rotation groove, makes the dwang change along bolt periphery pivoted process simultaneously in the control.

The utility model discloses further set up to: the fixed block is fixed through a fixing structure.

Through adopting above-mentioned technical scheme, fixed knot constructs the fixed block location, is convenient for fix a position the position of dwang.

The utility model discloses further set up to: the fixing structure comprises a plurality of clamping grooves and protrusions, the clamping grooves are formed in the side wall of the rotating groove, and the protrusions are fixed on the side wall of the fixing block and can be clamped in the clamping grooves.

Through adopting above-mentioned technical scheme, protruding joint draw-in groove on the rotating groove lateral wall on the fixed block lateral wall to realize the convenient location of fixed block, reach the purpose of stable fixed dwang.

To sum up, the utility model discloses following beneficial effect has:

1. the connecting plate and the mounting plate are preliminarily fixed by bolts, the rotating rod moves on the connecting plate, the rotating rod can drive the sliding rod to move in a manner of matching with the rotation of the bolts, and the sliding rod is slidably arranged on the rotating rod, so that the sliding rod can be correspondingly inserted into the bolts and can be separated from the bolts, the disassembly and assembly of the fuse main body are convenient to realize, the problem of unstable installation of the fuse due to rotation caused by loosening of the bolts is avoided, and the firm fixation of the fuse is convenient to realize;

2. the sliding groove in the rotating rod provides a space for the annular plate to accommodate and slide, the annular plate realizes the stable connection of the sliding rod on the rotating rod, and the annular plate can rotate in the sliding groove, so that the sliding rod and the bolt can be staggered conveniently, and the installation of the bolt is prevented from being influenced;

3. the rotating groove on the connecting plate is formed in the periphery of the bolt, the fixing block is fixed on the rotating rod side wall, the rotating rod and the connecting plate are stably connected through the matching of the fixing block and the rotating groove, the rotating rod is more easily controlled along the rotating process of the bolt periphery, and the clamping groove of the protruding joint on the rotating groove side wall is formed in the fixing block side wall, so that the convenient positioning of the fixing block is realized, and the purpose of stably fixing the rotating rod is achieved.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic partial cross-sectional view of the connection plate, mounting plate and bolt mating connection of the present embodiment;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Reference numerals: 1. a fuse body; 2. mounting a plate; 3. a connecting plate; 31. a through hole; 4. a bolt; 41. a slot; 5. a positioning structure; 51. rotating the rod; 52. a slide bar; 6. a rotating structure; 61. a fixed block; 62. a rotating groove; 7. a fixed structure; 71. a card slot; 72. a protrusion; 8. a sliding structure; 81. an annular plate; 82. a sliding groove; 83. a spring is connected.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A fuse, as shown in figure 1, comprises a fuse body 1 and a mounting plate 2, wherein the fuse body 1 is fixed on the mounting plate 2.

As shown in fig. 1 and 2, a connecting plate 3 is fixed on the fuse main body 1, the connecting plate 3 abuts against the upper portion of the mounting plate 2 and is fixed by a bolt 4, a positioning structure 5 for positioning the bolt 4 is arranged on the connecting plate 3, and the bolt 4 is positioned by the positioning structure 5, so that the bolt 4 cannot be easily loosened, and the fuse main body 1 is more firmly mounted.

As shown in fig. 1 and 2, the positioning structure 5 includes a rotating rod 51, the rotating rod 51 is rotatably connected to the connecting plate 3 through a rotating structure 6, an annular through hole 31 is formed in the connecting plate 3 and located at the outer periphery of the bolt 4, and the rotating rod 51 is inserted into the through hole 31 and can move circumferentially along the through hole 31, so that the rotating rod 51 can move along the outer periphery of the bolt 4.

As shown in fig. 2, the rotating structure 6 includes a fixed block 61 and an annular rotating groove 62, the rotating groove 62 is formed in the connecting plate 3 and is communicated with one side of the through hole 31 away from the bolt 4, the fixed block 61 is fixed on the side wall of the rotating rod 51 away from the bolt 4 and is slidably disposed in the rotating groove 62, so that the fixed block 61 can move circumferentially along the rotating groove 62, the connection between the rotating rod 51 and the connecting plate 3 is maintained through the cooperation between the fixed block 61 and the rotating groove 62, and the rotating rod 51 can move relative to the connecting plate 3.

As shown in fig. 2, the fixing block 61 is fixed by the fixing structure 7. Fixed knot constructs 7 and includes draw-in groove 71 and arch 72, and a plurality of draw-in grooves 71 interval equidistant is formed on the lateral wall that rotates groove 62 and keep away from bolt 4, and arch 72 is fixed in on the lateral wall that fixed block 61 and draw-in groove 71 correspond, and fixed block 61 is at the in-process that rotates the inslot 62 internal rotation, but arch 72 joint in different draw-in grooves 71, realizes the rotational positioning of fixed block 61, avoids fixed block 61 to rotate the problem that leads to the unable location of dwang 51 at will in rotating groove 62.

As shown in fig. 2, the positioning structure 5 further includes a sliding rod 52 in an "L" shape, and the sliding rod 52 is movably connected above the rotating rod 51 through the sliding structure 8, so that the sliding rod 52 can slide horizontally on the rotating rod 51. The slot 41 is formed on the side wall of the bolt 4, the bending end of the sliding rod 52 can be inserted into the slot 41, so that the rotation of the bolt 4 is limited through the corresponding insertion of the sliding rod 52 and the slot 41, and the bolt 4 is further positioned after the bolt 4 is fixed on the connecting plate 3 and the mounting plate 2, so that the installation of the fuse main body 1 is firmer.

As shown in fig. 2 and 3, the sliding structure 8 includes a ring plate 81 and a sliding groove 82 in a kidney shape, the sliding groove 82 is formed in the rotating rod 51, the ring plate 81 is fixedly connected to the side wall of the sliding rod 52 and slidably disposed in the sliding groove 82, and the connection between the sliding rod 52 and the rotating rod 51 is maintained; the annular plate 81 can rotate in the sliding groove 82, so that when the bending end of the sliding rod 52 faces to the direction away from the bolt 4, the installation of the bolt 4 can be prevented from being hindered; when the bent end of the sliding rod 52 faces to the direction close to the bolt 4, the bolt 4 can be further fixed by inserting the sliding rod 52 into the slot 41.

As shown in fig. 2 and 3, a connecting spring 83 is installed at a corresponding position of the side wall of the sliding groove 82 and the side wall of the annular plate 81, one end of the connecting spring 83 is fixed on the side wall of the sliding groove 82 far away from the bolt 4, and the other end abuts against the side wall of the annular plate 81, so that the sliding rod 52 can be correspondingly inserted into the bolt 4 under the elastic force of the connecting spring 83, and on the other hand, the connecting spring 83 is prevented from influencing the rotation of the sliding rod 52.

The specific operation flow of this embodiment is as follows:

when installing fuse main body 1, at first with connecting plate 3 location on mounting panel 2, the end of buckling of slide bar 52 this moment is towards the one side of keeping away from bolt 4, with the preliminary fixed connection plate 3 of bolt 4 and mounting panel 2 after, hold dwang 51 and make it rotate along through hole 31 with the hand, until slide bar 52 and slot 41's position corresponding, the protruding 72 joint on the fixed block 61 is in the draw-in groove 71 of corresponding department this moment, realizes the location of dwang 51.

Then, the sliding rod 52 is held by a hand and moves towards a direction away from the bolt 4, the connecting spring 83 is compressed, then the sliding rod 52 is rotated, the bent end of the sliding rod 52 corresponds to the slot 41, at the moment, the hand is loosened, the sliding rod 52 can be inserted into the slot 41 under the restoring force of the connecting spring 83, the purpose of positioning the bolt 4 is achieved, the bolt 4 is prevented from easily rotating, and the installation of the fuse body 1 is firmer.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a fuse, includes fuse main body (1) and mounting panel (2), on fuse main body (1) was fixed in mounting panel (2), its characterized in that: be fixed with connecting plate (3) on fuse main part (1), connecting plate (3) with mounting panel (2) are fixed through bolt (4), be equipped with on connecting plate (3) and be used for the location structure (5) of bolt (4), location structure (5) are including slide bar (52) and dwang (51), dwang (51) swing joint in on connecting plate (3), slide bar (52) cunning locate dwang (51) go up and can with bolt (4) correspond to peg graft.

2. A fuse as recited in claim 1, wherein: the sliding rod (52) is movably connected to the rotating rod (51) through a sliding structure (8).

3. A fuse as recited in claim 2, wherein: sliding structure (8) include annular plate (81) and sliding tray (82), sliding tray (82) form in dwang (51), annular plate (81) fixed connection in on sliding tray (52) and the cunning locate sliding tray (82), just annular plate (81) rotate to be connected in sliding tray (82).

4. A fuse as recited in claim 3, wherein: the sliding groove (82) and the annular plate (81) are provided with connecting springs (83), one ends of the connecting springs (83) are fixed on the sliding groove (82), and the other ends of the connecting springs are abutted to the annular plate (81).

5. A fuse as recited in claim 1, wherein: the rotating rod (51) is rotatably connected to the connecting plate (3) through a rotating structure (6).

6. A fuse as recited in claim 5, wherein: rotating-structure (6) are including fixed block (61) and rotation groove (62), rotation groove (62) are formed in just be located on connecting plate (3) the periphery department of bolt (4), fixed block (61) are fixed in on the lateral wall of dwang (51) and cunning locate rotation groove (62).

7. A fuse as recited in claim 6, wherein: the fixed block (61) is fixed through a fixing structure (7).

8. A fuse as recited in claim 7, wherein: the fixing structure (7) comprises a clamping groove (71) and a plurality of protrusions (72), the clamping groove (71) is formed in the side wall of the rotating groove (62), and the protrusions (72) are fixed on the side wall of the fixing block (61) and can be clamped in the clamping groove (71).