CN210429727U

CN210429727U - Domestic safe type fuse

Info

Publication number: CN210429727U
Application number: CN201920690689.3U
Authority: CN
Inventors: 朱启国
Original assignee: Kunshan Ruijiu Electric Co Ltd
Current assignee: Kunshan Ruijiu Electric Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-04-28
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses a domestic safe type fuse relates to fuse technical field, and it includes the fuse main part, the right flank fixedly connected with mounting panel of fuse main part, first spout has all been seted up at the front and the back of fuse main part inner wall, the internal surface sliding connection of first spout has first slider, and the opposite face of two first sliders respectively with the front and the back fixed connection of loading body, the loading body sets up in the inside of fuse main part, loads the left surface fixedly connected with baffle of the body, the right flank of baffle and the left flank overlap joint of fuse main part, and first recess has been seted up to the right flank of loading body, and the left flank of first recess inner wall has the overlap joint fuse-element. This domestic safe type fuse through the combined action of dress carrier, fuse-element, insulating block, first slide bar, first sliding sleeve, clamp plate, T-shaped piece and first spring to can change the fuse-element, and dismouting simple structure, easily operation.

Description

Domestic safe type fuse

Technical Field

The utility model relates to a fuse technical field specifically is a domestic safe type fuse.

Background

At present, fuses are widely applied to high-low voltage distribution systems, control systems and electric equipment, are one of the most commonly applied protective devices as short-circuit and overcurrent protectors, and most of the existing fuses have a protection function.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a domestic safe type fuse, to prior art not enough, the utility model provides a current fuse has been solved, mostly possesses the function of protection, but when parts such as the fuse-element of inside broke down, need all unpack the fuse main part apart and just can inspect or change, operate very troublesome problem.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a domestic safe type fuse, includes the fuse main part, the right flank fixedly connected with mounting panel of fuse main part, first spout has all been seted up at the front and the back of fuse main part inner wall, the internal surface sliding connection of first spout has first slider, and the opposite face of two first sliders respectively with the front and the back fixed connection of loading body, the loading body sets up the inside in the fuse main part, the left surface fixedly connected with baffle of loading body, the right flank of baffle and the left surface overlap joint of fuse main part.

The right side of loading body has seted up first recess, the left surface overlap joint of first recess inner wall has the fuse-element, the right side overlap joint of fuse-element has the insulating block, the insulating block overlap joint is at the internal surface of first recess, the right side of insulating block respectively with the left surface overlap joint of two T-shaped blocks, the right side fixedly connected with slider of insulating block, the slider joint is in the first through-hole that the clamp plate left surface was seted up, slider's the spacing pull ring of right-hand member fixedly connected with, the clamp plate is located first recess.

The upper surface and the lower surface of the first groove inner wall are both provided with second grooves, the left side surface and the right side surface of the second groove inner wall are both provided with second chutes, the inner surfaces of the second chutes are connected with second sliders in a sliding manner, opposite surfaces of the two second sliders are fixedly connected with the left side surface and the right side surface of the T-shaped block respectively, and the upper surface of the T-shaped block is fixedly connected with the upper surface of the second groove inner wall through a first spring.

Preferably, a clamping groove is formed in the lower surface of the loading body, a fixing device is lapped on the inner surface of the clamping groove, the fixing device is clamped in a second through hole formed in the lower surface of the fuse body, and a pull ring is fixedly connected to the bottom end of the fixing device.

Preferably, the sliding device comprises a first sliding rod, the left end of the first sliding rod is fixedly connected with the right side face of the insulating block, the right end of the first sliding rod is fixedly connected with the left side face of the limiting pull ring, a first sliding sleeve is sleeved on the surface of the first sliding rod, the first sliding sleeve is connected to the inner surface of the first through hole in a clamped mode, and the right side face of the first sliding sleeve is in lapped joint with the left side face of the limiting pull ring.

Preferably, the fixing device comprises a second sliding rod, the second sliding rod is overlapped in the clamping groove, the bottom end of the second sliding rod is fixedly connected with the upper surface of the pull ring, a second sliding sleeve is sleeved on the surface of the second sliding rod, the second sliding sleeve is connected in a second through hole in a clamped mode, a second spring is sleeved on the surface of the second sliding rod, and two ends of the second spring are fixedly connected with the opposite surfaces of the second sliding sleeve and the pull ring respectively.

Preferably, a third groove is formed in the right side face of the baffle, and a handle is fixedly connected to the inner surface of the third groove.

Preferably, the inclined surface of the T-shaped block is a smooth surface.

(III) advantageous effects

The beneficial effects of the utility model reside in that:

1. this domestic safe type fuse, through adorning the carrier, the fuse-element, the insulating block, first slide bar, first sliding sleeve, the clamp plate, the combined action of T-shaped piece and first spring, when changing the fuse-element, promote the clamp plate, make the clamp plate move left, and make the clamp plate extrude the T-shaped piece, make two T-shaped pieces keep away from each other, make two T-shaped pieces no longer contact with the insulating block, then stimulate spacing pull ring right, under the effect of first slide bar, make the insulating block pulled out, then pull out the fuse-element, thereby can change the fuse-element, and dismouting simple structure, easy to operate.

2. This domestic safe type fuse through setting up draw-in groove, second slide bar, second sliding sleeve, second spring and pull ring, when installing the loading body, under the elastic force effect of second spring for second slide bar upward movement makes the second slide bar card advance the draw-in groove, thereby can play spacing and fixed effect to the loading body.

3. This domestic safe type fuse through setting up first spring, under the elastic force effect of first spring for the T-shaped piece downstream, and make the T-shaped piece reset, thereby make the T-shaped piece play spacing effect to the insulating block, thereby realized spacing to the fuse-element.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the fuse body of the present invention;

FIG. 3 is a structural diagram of the right side view of the loading body of the present invention;

FIG. 4 is an enlarged schematic view of part A of the present invention;

FIG. 5 is an enlarged schematic view of the part B of the present invention;

fig. 6 is an enlarged schematic structural view of the part C of the present invention.

In the figure: the fuse comprises a fuse body 1, a mounting plate 2, a first sliding groove 3, a first sliding block 4, a loading body 5, a baffle 6, a first groove 7, a fused mass 8, an insulating block 9, a sliding device 10, a first sliding rod 101, a first sliding sleeve 102, a limiting pull ring 11, a pressing plate 12, a second groove 13, a second sliding groove 14, a second sliding block 15, a T-shaped block 16, a first spring 17, a clamping groove 18, a fixing device 19, a second sliding rod 191, a second sliding sleeve 192, a second spring 193 and a pull ring 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-6, the utility model provides a technical solution: a household safety fuse comprises a fuse main body 1, a mounting plate 2 is fixedly connected to the right side face of the fuse main body 1, first sliding grooves 3 are formed in the front face and the back face of the inner wall of the fuse main body 1, a limiting function is achieved on first sliding blocks 4 through the first sliding grooves 3, the limiting function is achieved on loading bodies 5, stable movement of the loading bodies 5 is achieved, the first sliding blocks 4 are connected to the inner surface of the first sliding grooves 3 in a sliding mode, opposite faces of the two first sliding blocks 4 are fixedly connected with the front face and the back face of the loading bodies 5 respectively, a protection function is achieved on a fuse body 8 through the arrangement of a loading body 5, the service life of the fuse body 8 is guaranteed, the loading body 5 is arranged inside the fuse main body 1, a baffle 6 is fixedly connected to the left side face of the loading body 5, a third groove is formed in the right side face of the baffle 6, and a handle is fixedly connected to the inner surface, through setting up the handle, make things convenient for personnel to control to make things convenient for personnel to get and put dress carrier 5, the right flank of baffle 6 and the left surface overlap joint of fuse main part 1.

The right side surface of the loading body 5 is provided with a first groove 7, the left side surface of the inner wall of the first groove 7 is lapped with a melt 8, the right side surface of the melt 8 is lapped with an insulating block 9, the insulating block 9 is lapped on the inner surface of the first groove 7, the right side surface of the insulating block 9 is respectively lapped with the left side surfaces of two T-shaped blocks 16, the right side surface of the insulating block 9 is fixedly connected with a sliding device 10, the sliding device 10 comprises a first sliding rod 101, the first sliding rod 101 is arranged to limit the first sliding sleeve 102 so as to limit the pressure plate 12, the pressure plate 12 is more stable in movement, the left end of the first sliding rod 101 is fixedly connected with the right side surface of the insulating block 9, the right end of the first sliding rod 101 is fixedly connected with the left side surface of a limiting pull ring 11, the first sliding sleeve 102 is sleeved on the surface of the first sliding rod 101, the first sliding sleeve 102 is clamped on the inner surface of a first through hole, the right side surface of the first sliding sleeve 102, through setting up spacing pull ring 11, play spacing function to clamp plate 12, avoided the condition of the first recess 7 of clamp plate 12 roll-off, and make things convenient for personnel's control, make things convenient for personnel to change insulating block 9 and fuse-element 8, slider 10 joint is in the first through-hole that clamp plate 12 left surface was seted up, slider 10's the spacing pull ring 11 of right-hand member fixedly connected with, and clamp plate 12 is located first recess 7.

The upper surface and the lower surface of the inner wall of the first groove 7 are both provided with a second groove 13, the left side surface and the right side surface of the inner wall of the second groove 13 are both provided with a second chute 14, the second chute 14 is arranged to play a limiting role for a second slider 15, thereby playing a limiting role for a T-shaped block 16, the inner surface of the second chute 14 is connected with the second slider 15 in a sliding way, the opposite surfaces of the two second sliders 15 are respectively and fixedly connected with the left side surface and the right side surface of the T-shaped block 16, the inclined surface of the T-shaped block 16 is a smooth surface, the upper surface of the T-shaped block 16 is fixedly connected with the upper surface of the inner wall of the second groove 13 through a first spring 17, through arranging the first spring 17, under the elastic action of the first spring 17, the T-shaped block 16 moves downwards, and the T-shaped block 16 resets, thereby the T-shaped block 16 plays a limiting role for an insulating block, the lower surface of the loading body 5 is provided with a clamping groove 18, the inner surface of the clamping groove 18 is lapped with a fixing device 19, the fixing device 19 comprises a second sliding rod 191, the second sliding rod 191 is lapped in the clamping groove 18, the bottom end of the second sliding rod 191 is fixedly connected with the upper surface of the pull ring 20, the surface of the second sliding rod 191 is sleeved with a second sliding sleeve 192, the second sliding sleeve 192 is clamped in the second through hole, the surface of the second sliding rod 191 is sleeved with a second spring 193, through the arrangement of the second spring 193, under the action of the elastic force of the second spring 193, the second sliding rod 191 moves upwards, so that the second sliding rod 191 is clamped into the clamping groove 18, thereby can play spacing and fixed effect to loading body 5, the both ends of second spring 193 respectively with the opposite face fixed connection of second sliding sleeve 192 and pull ring 20, fixing device 19 joint is in the second through-hole that fuse main part 1 lower surface was seted up, fixing device 19's bottom fixedly connected with pull ring 20.

The utility model discloses an operating procedure does:

s1, when the melt 8 needs to be disassembled and replaced, firstly, a person pulls the pull ring 20 to enable the second sliding rod 191 to move downwards, the second sliding rod 191 slides out of the clamping groove 18, then pulls the handle to enable the baffle 6 to be pulled, and accordingly the loading body 5 is pulled out of the fuse body 1;

s2, the person then pushes the pressure plate 12, causing the pressure plate 12 to move to the left and causing the pressure plate 12 to press against the T-shaped blocks 16, causing the two T-shaped blocks 16 to move away from each other so that the two T-shaped blocks 16 are no longer in contact with the insulation blocks 9;

s3 and then pulling the restraining tab 11 to the right, the insulation block 9 is pulled out by the first slide bar 101, and then the melt 8 is pulled out and the melt 8 is replaced.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A domestic safe type fuse, includes fuse main part (1), its characterized in that: the right side face of the fuse main body (1) is fixedly connected with a mounting plate (2), the front face and the back face of the inner wall of the fuse main body (1) are respectively provided with a first sliding chute (3), the inner surface of the first sliding chute (3) is connected with a first sliding block (4) in a sliding manner, opposite faces of the two first sliding blocks (4) are respectively fixedly connected with the front face and the back face of a loading body (5), the loading body (5) is arranged inside the fuse main body (1), the left side face of the loading body (5) is fixedly connected with a baffle (6), and the right side face of the baffle (6) is overlapped with the left side face of the fuse main body (1);

a first groove (7) is formed in the right side face of the loading body (5), a melt (8) is lapped on the left side face of the inner wall of the first groove (7), an insulating block (9) is lapped on the right side face of the melt (8), the insulating block (9) is lapped on the inner surface of the first groove (7), the right side face of the insulating block (9) is lapped with the left side faces of two T-shaped blocks (16), a sliding device (10) is fixedly connected to the right side face of the insulating block (9), the sliding device (10) is clamped in a first through hole formed in the left side face of a pressing plate (12), a limiting pull ring (11) is fixedly connected to the right end of the sliding device (10), and the pressing plate (12) is located in the first groove (7);

second recess (13) have all been seted up to the upper surface and the lower surface of first recess (7) inner wall, second spout (14) have all been seted up to the left and right sides face of second recess (13) inner wall, the internal surface sliding connection of second spout (14) has second slider (15), and the opposite face of two second sliders (15) respectively with the left and right sides face fixed connection of T-shaped piece (16), the upper surface of T-shaped piece (16) is through the upper surface fixed connection of first spring (17) with second recess (13) inner wall.

2. A domestic safety fuse as claimed in claim 1, wherein: the lower surface of the loading body (5) is provided with a clamping groove (18), the inner surface of the clamping groove (18) is lapped with a fixing device (19), the fixing device (19) is clamped in a second through hole formed in the lower surface of the fuse body (1), and the bottom end of the fixing device (19) is fixedly connected with a pull ring (20).

3. A domestic safety fuse as claimed in claim 1, wherein: slide device (10) include first slide bar (101), the left end of first slide bar (101) and the right flank fixed connection of insulating block (9), the right-hand member of first slide bar (101) and the left flank fixed connection of spacing pull ring (11), first sliding sleeve (102) has been cup jointed on the surface of first slide bar (101), first sliding sleeve (102) joint is at the internal surface of first through-hole, the right flank of first sliding sleeve (102) and the left flank overlap joint of spacing pull ring (11).

4. A domestic safety fuse as claimed in claim 2, wherein: fixing device (19) includes second slide bar (191), second slide bar (191) overlap joint is in draw-in groove (18), the bottom of second slide bar (191) and the last fixed surface of pull ring (20) are connected, second sliding sleeve (192) have been cup jointed to the surface of second slide bar (191), second sliding sleeve (192) joint is in the second through-hole, second spring (193) have been cup jointed to the surface of second slide bar (191), the both ends of second spring (193) respectively with the opposite face fixed connection of second sliding sleeve (192) and pull ring (20).

5. A domestic safety fuse as claimed in claim 1, wherein: a third groove is formed in the right side face of the baffle (6), and a handle is fixedly connected to the inner surface of the third groove.

6. A domestic safety fuse as claimed in claim 1, wherein: the inclined plane of the T-shaped block (16) is a smooth surface.