CN214848470U

CN214848470U - Quick-break glass tube fuse

Info

Publication number: CN214848470U
Application number: CN202121589778.2U
Authority: CN
Inventors: 廖虹
Original assignee: Dongguan Aoxisi Electronic Technology Co ltd
Current assignee: Dongguan Aoxisi Electronic Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-11-23
Anticipated expiration: 2031-07-13

Abstract

The utility model belongs to the technical field of the fuse, and a quick-break type glass manages fuse is disclosed, including ceramic pipe, both ends all are provided with the end cap about ceramic pipe, the inside welding of end cap has welding electrode, two the end cap has the fuse through welding electrode fixed mounting, the left side the surface activity of end cap has cup jointed the ring in a left side, the right the surface activity of end cap has cup jointed the ring in the right side, the right side cup joints the ring and cup joints fixedly mounted between the ring in the left side and has the spliced pole. The utility model discloses a be provided with right side cup joint ring and left side and cup joint the ring activity and cup joint the surface at the end cap, cooperation fixed connection's right side cup joint ring provides the protection for ceramic pipe between the two, when ceramic pipe inserts the circuit, is used for blockking the sealed glue that is used for insulation protection, right side cup joint ring, left side cup joint ring and spliced pole this moment can with sealed contact of gluing to avoid the surface of ceramic pipe and end cap to be sealed the contact of gluing, have the advantage that the protecting effect is good.

Description

Quick-break glass tube fuse

Technical Field

The utility model belongs to the technical field of the fuse, specifically a quick-break type glass tube fuse.

Background

The glass tube fuse is one of fuse tubes, is composed of an external ceramic glass tube and a built-in alloy fuse wire, is connected in a circuit, and can blow out the fuse wire of the glass tube fuse wire to cut off the circuit when the circuit is abnormal, so that the purpose of protecting the whole circuit and electronic components in the circuit is achieved, and the glass tube fuse is an important component in electronic equipment.

At present, the quick-break glass tube fuse mainly comprises an end cap, a ceramic tube and an alloy, and is used for cutting off a circuit to protect the safety of the circuit through automatic fusing under high power when the abnormal current of the circuit is increased; however, in the prior art, the glass fuse is generally wound by using the sealant and is connected to the circuit, but the fused fuse needs to be reinstalled, and at the moment, because the sealant is attached to the outer surfaces of the end cap and the glass tube, a worker needs to tear off the sealant, which wastes time and labor; meanwhile, one end of the inner side of the end cap is connected with the fuse wire through soldering tin, and in order to ensure the volume of the fuse wire, the soldering tin sometimes cannot be soldered in place to cause a cold joint problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides a quick-break type glass tube fuse has the advantage that the protecting effect is good and can ensure the circuit.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick-break type glass manages fuse, includes ceramic pipe, both ends all are provided with the end cap about ceramic pipe, the inside welding of end cap has welding electrode, two the end cap has the fuse through welding electrode fixed mounting, the left side the surface activity of end cap has cup jointed the ring in a left side, the right the surface activity of end cap has cup jointed the ring in the right side, fixed mounting has the spliced pole between right side cup joint ring and the left side cup joint ring, the draw-in groove has all been seted up to the surface of right side cup joint ring and left side cup joint ring.

As a preferred technical scheme of the utility model, two end caps are movably sleeved at the left end and the right end of the outer surface of the ceramic tube, the fuse wire and the welding electrode are welded and fixed through soldering tin, a safety cover is sleeved on the outer surface of the fuse wire, one end of the outer side of the safety cover is fixedly connected with the inner wall of the end cap, the number of the clamping grooves is sixteen, sixteen clamping grooves are divided into two groups by eight clamping grooves and distributed on the outer surfaces of the right sleeve ring and the left sleeve ring respectively, each group of the clamping grooves are distributed at equal intervals and circumferentially by taking the circle center of the end cap as the reference, the fuse wire passes through an external circuit of two welding electrodes and forms a passage, because the welding electrode is easy to be welded during welding, the fuse wire is further fallen off, therefore, the safety cover is added to keep contact with the fuse wire all the time in a close fit mode, when the connection of the fuse wire and the welding electrode is loosened, the safety cover may provide additional circuit assurance.

As an optimal technical scheme of the utility model, a left side cup joints the ring and is made by the block rubber, a left side cup joints the ring and closely cup joints the surface at the end cap, and a left side cup joints ring and the right side cup joints the ring and cup joints the surface at the end cap, at first with be used for sealed insulating sealed glue contact to avoided end cap and ceramic pipe and sealed glue direct contact, when tearing sealed glue and carrying out reloading of fuse, only need pull down a left side cup joint ring and the right side cup joint the ring can, labour saving and time saving.

As a preferred technical scheme of the utility model, the quantity of spliced pole is eight, eight the spliced pole uses the centre of a circle of end cap to be equidistant circumference distribution as the benchmark, and the spliced pole is located the surface of ceramic pipe, and when needs were sealed gluey to ceramic pipe subsides, the spliced pole can with sealed gluey contact, because the spliced pole leaves the clearance with the surface of ceramic pipe, sealed glue just can not contact ceramic pipe.

As a preferred technical scheme of the utility model, the shape of draw-in groove is semi-circular, the diameter value of draw-in groove is the same with the diameter value of spliced pole, the offering of draw-in groove for the material manufacturing cost of right side cup joint ring and left side cup joint ring can reduce, simultaneously, makes right side cup joint ring and left side cup joint ring and sealed superficial area of gluing the contact reduce, alleviates the burden when end cap and right side cup joint ring are looped back.

As a preferred technical scheme of the utility model, the spliced pole rotates forty-five degrees backs, draw-in groove and spliced pole coincidence, draw-in groove and spliced pole staggered arrangement, cooperation right side cup joint ring and left side cup joint the ring to outer and sealed glue contact protection ceramic pipe, the cleanness of ceramic pipe body is kept to the internal, has effectively guaranteed that the inside fuse of ceramic pipe can go on fast when reloading, has improved work efficiency.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a be provided with right side cover and connect the ring, left side cover connects the ring, draw-in groove and spliced pole etc. have realized the safeguard function of ceramic pipe, cup joint the surface at the end cap through being provided with right side cover and left side cover and connect the ring activity, cooperation fixed connection's right side cover connects the ring between the two and provides the protection for ceramic pipe, when ceramic pipe inserts the circuit, be used for blockking the sealed glue that is used for insulating protection, right side cover connects the ring this moment, a left side cover and connect ring and spliced pole can with sealed the contact of gluing, thereby avoid the surface of ceramic pipe and end cap to be sealed the contact of gluing, the advantage that has the protecting effect.

2. The utility model discloses a be provided with circuit guarantee function that ceramic pipe has been realized to insurance lid etc. and come to provide the guarantee for the circuit connection of fuse wire through the surface that is provided with the insurance lid of fixed mounting at the end cap inner wall and fuse wire, when welding electrode because rosin joint leads to not hard up, the insurance lid keeps being connected with the fuse wire through closely laminating with the fuse wire surface, has guaranteed the switch-on of circuit, and this application has the advantage of guarantee circuit for prior art.

Drawings

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

FIG. 2 is a schematic front view of the present invention without the ceramic tube;

FIG. 3 is a front sectional view of the structure of the present invention;

fig. 4 is the schematic structural diagram of the right sleeve ring, the left sleeve ring and the connecting column of the present invention.

In the figure: 1. a ceramic tube; 2. an end cap; 3. a right ferrule ring; 4. a left collar ring; 5. a card slot; 6. connecting columns; 7. a safety cover; 8. a fuse; 9. and welding the electrodes.

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 to 4, the utility model provides a quick-break type glass manages fuse, including ceramic pipe 1, both ends all are provided with end cap 2 about ceramic pipe 1, and the inside welding of end cap 2 has welding electrode 9, and two end caps 2 have fuse 8 through welding electrode 9 fixed mounting, and the surface activity of end cap 2 on the left side has cup jointed ring 4 on the left side, and the surface activity of end cap 2 on the right has cup jointed ring 3 on the right side, and fixed mounting has spliced pole 6 between ring 3 and the left side cup jointed ring 4 on the right side, and draw-in groove 5 has all been seted up to the surface that the ring 3 was cup jointed on the right side and the left side cup jointed ring 4.

Wherein, two end caps 2 are movably sleeved at the left end and the right end of the outer surface of the ceramic tube 1, the fuse wire 8 and the welding electrode 9 are welded and fixed by soldering tin, the safety cover 7 is movably sleeved on the outer surface of the fuse wire 8, one end of the outer side of the safety cover 7 is fixedly connected with the inner wall of the end cap 2, the number of the clamping grooves 5 is sixteen, sixteen clamping grooves 5 are divided into two groups by eight groups and respectively distributed on the outer surfaces of the right sleeve connecting ring 3 and the left sleeve connecting ring 4, each group of clamping grooves 5 are distributed at equal intervals and circumferentially by taking the circle center of the end cap 2 as the reference, the fuse wire 8 is externally connected with a circuit through two welding electrodes 9 to form a passage, because the welding electrodes 9 are easy to be welded during welding, the fuse wire 8 is further made to fall off, the safety cover 7 is always kept in contact with the fuse wire 8 in a close fit mode, when the connection of the fuse wire 8 and the welding electrodes 9 is loosened, the safety cover 7 may provide additional circuit assurance.

Wherein, left side cup jointing ring 4 is made by the block rubber, and left side cup jointing ring 4 closely cup joints the surface at end cap 2, and left side cup jointing ring 4 cup joints the surface at end cap 2 with right side cup jointing ring 3, at first with be used for sealed insulating sealed glue contact to avoided end cap 2 and ceramic pipe 1 and sealed glue direct contact, when tearing sealed glue and carrying out filling again of fuse 8, only need pull down left side cup jointing ring 4 and right side cup jointing ring 3 can, labour saving and time saving.

The number of the connecting columns 6 is eight, the eight connecting columns 6 are distributed at equal intervals circumferentially by taking the circle center of the end cap 2 as a reference, the connecting columns 6 are located on the outer surface of the ceramic tube 1, when sealant is required to be attached to the ceramic tube 1, the connecting columns 6 can be in contact with the sealant, and the sealant cannot contact the ceramic tube 1 due to the fact that gaps are reserved between the connecting columns 6 and the outer surface of the ceramic tube 1.

Wherein, draw-in groove 5's shape is semi-circular, and the diameter value of draw-in groove 5 is the same with spliced pole 6's diameter value, and the offering of draw-in groove 5 for the right side cup joints the material manufacturing cost that ring 3 and left side cup jointed ring 4 and can reduce, and simultaneously, make the right side cup joint ring 3 and left side cup joint ring 4 and sealed superficial area of gluing the contact reduce, cup joint ring 3 on the end cap 2 and the right side and alleviate the burden when retrieving.

Wherein, spliced pole 6 rotates forty-five degrees after, draw-in groove 5 and spliced pole 6 coincidence, draw-in groove 5 and spliced pole 6 staggered arrangement, cooperation right side cup joint ring 3 and left side cup joint ring 4 are to outer with sealed glue contact protection ceramic pipe 1, keep the cleanness of ceramic pipe 1 body internally, have effectively guaranteed that the fuse 8 of ceramic pipe 1 inside can go on fast when reloading, have improved work efficiency.

The utility model discloses a theory of operation and use flow:

insert the circuit with end cap 2, then paste the surface at right side socket ring 3, left side socket ring 4 and spliced pole 6 with sealed glue, unusual appears in the circuit, increase in the twinkling of an eye through the electric current of fuse 8, thereby lead to the automatic fusing of fuse 8 to cut off the circuit, at this moment, will seal the partial excision of gluing along end cap 2 both sides, then shift out the circuit with ceramic pipe 1, then cup joint ring 3 and left side socket ring 4 with the right side and peel off, at this moment, trade new fuse 8 into, when welding electrode 9 takes place the rosin joint and become flexible, insurance lid 7 is through the inseparable laminating with fuse 8, the switch-on of circuit has been guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick-break type glass tube fuse, includes ceramic tube (1), its characterized in that: both ends all are provided with end cap (2) about ceramic pipe (1), the inside welding of end cap (2) has welding electrode (9), two end cap (2) have fuse (8), the left side through welding electrode (9) fixed mounting the surface activity of end cap (2) has cup jointed left side grafting ring (4), the right the surface activity of end cap (2) has cup jointed right side grafting ring (3), fixed mounting has spliced pole (6) between right side grafting ring (3) and left side grafting ring (4), draw-in groove (5) have all been seted up to the surface of right side grafting ring (3) and left side grafting ring (4).

2. A quick disconnect type glass tube fuse as in claim 1, wherein: two both ends about ceramic pipe (1) surface are cup jointed in the equal activity of end cap (2), through soldering tin welded fastening between fuse (8) and welding electrode (9), insurance lid (7) have been cup jointed in the surface activity of fuse (8), the outside one end of insurance lid (7) and the inner wall fixed connection of end cap (2), the quantity of draw-in groove (5) is sixteen, sixteen draw-in groove (5) use per eight to divide into two sets ofly and distribute respectively at the surface of right cover joint ring (3) and left cover joint ring (4) for a set of altogether, every group draw-in groove (5) all use the centre of a circle of end cap (2) to be equidistant circumference distribution as the benchmark.

3. A quick disconnect type glass tube fuse as in claim 1, wherein: the left sleeve joint ring (4) is made of a rubber block, and the left sleeve joint ring (4) is tightly sleeved on the outer surface of the end cap (2).

4. A quick disconnect type glass tube fuse as in claim 1, wherein: the number of the connecting columns (6) is eight, and the connecting columns (6) are distributed on the circumference at equal intervals by taking the circle center of the end cap (2) as a reference.

5. A quick disconnect type glass tube fuse as in claim 1, wherein: the clamping groove (5) is semicircular, and the diameter value of the clamping groove (5) is the same as that of the connecting column (6).

6. A quick disconnect type glass tube fuse as in claim 5 wherein: after the connecting column (6) rotates for forty-five degrees, the clamping groove (5) and the connecting column (6) are overlapped.