CN212380385U

CN212380385U - High-voltage soldering-tin-free tubular fuse

Info

Publication number: CN212380385U
Application number: CN202021138950.8U
Authority: CN
Inventors: 杜仲甫
Original assignee: Shenzhen Weihonggao Electronic Technology Co ltd
Current assignee: Shenzhen Weihonggao Electronic Technology Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-01-19
Anticipated expiration: 2030-06-18

Abstract

The utility model relates to a fuse technical field, and a high pressure does not have soldering tin tubulose fuse is disclosed, including tubulose fuse and unable adjustment base, the fixed slot has been seted up on the unable adjustment base, the fixed slot is connected with coupling mechanism, coupling mechanism includes first conducting block, a spring, the second conducting block, the connecting hole, the conducting rod, the brush, first stitch, second stitch and spread groove, first conducting block fixed connection is on one side cell wall of fixed slot, the one end fixed connection of spring is on one side cell wall that first conducting block was kept away from to the fixed slot, second conducting block fixed connection is at the other end of spring, the one end that the spring was kept away from to the second conducting block is seted up to the spread groove, conducting rod fixed connection is on one side cell wall of fixed slot, the position that the second conducting block corresponds the conducting rod is seted up. The utility model discloses can adapt to not unidimensional tubulose fuse, can all keep better electric connection, difficult contact failure to the not fuse of unidimensional.

Description

High-voltage soldering-tin-free tubular fuse

Technical Field

The utility model relates to a fuse technical field especially relates to a high pressure does not have solder tin tubular fuse.

Background

The fuse is also called as a current fuse, when the current rises to a certain height and heat abnormally, the fuse can melt itself to cut off the current, so that the effect of protecting the safe operation of a circuit is achieved, at present, some fuses are convenient to replace by using fuse boxes matched with tubular fuses, but the same specification and size of the existing tubular fuses are different, the fuse boxes cannot adapt to fuses of different sizes, the use is inconvenient, and the condition that the fuse cannot be used is possibly caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the fuse box can not adapt to the fuse of different sizes among the prior art, using inconveniently, possibly leading to the condition problem that the fuse can't be used, and the high-pressure non-soldering tin tubulose fuse that provides.

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

a high-voltage soldering tin-free tubular fuse comprises a tubular fuse and a fixed base, wherein a fixed groove is formed in the fixed base and is connected with a connecting mechanism;

the connecting mechanism comprises a first conductive block, a spring, a second conductive block, a connecting hole, a conductive rod, an electric brush, a first pin, a second pin and a connecting groove, the first conductive block is fixedly connected to one side groove wall of the fixed groove, one end of the spring is fixedly connected to one side groove wall of the fixed groove far away from the first conductive block, the second conductive block is fixedly connected to the other end of the spring, the connecting groove is formed in one end of the second conductive block far away from the spring, the conductive rod is fixedly connected to one side groove wall of the fixed groove far away from the first conductive block, the connecting hole is formed in the position of the second conductive block corresponding to the conductive rod, the conductive rod penetrates through the connecting hole and is in sliding connection with the connecting hole, the electric brush is fixedly connected to the top hole wall of the connecting hole, the other end of the electric brush abuts against the conductive rod, and one end, the other end of tubulose fuse offsets with first conducting block, first stitch fixed connection is in the bottom of first conducting block, first stitch runs through the tank bottom of fixed slot and outwards extends, second stitch fixed connection is in the bottom of conducting rod, the second stitch runs through the tank bottom of fixed slot and outwards extends.

Preferably, one end of the conductive rod close to the first conductive block is fixedly connected with a fixed block, and one end of the fixed block is fixedly connected to the bottom of the fixed groove.

Preferably, the position of the fixed base corresponding to the notch of the fixed groove is connected with a protective cover through a hasp.

Preferably, the bottom of the fixed base is fixedly connected with an insulating and heat-insulating pad.

Preferably, the first conductive block, the second conductive block and the conductive rod are all made of brass.

Preferably, the brush is a graphite brush.

Compared with the prior art, the utility model provides a high pressure does not have soldering tin tubulose fuse possesses following beneficial effect:

this high pressure does not have soldering tin tubulose fuse constitutes a coupling mechanism through setting up first conducting block, spring, second conducting block, connecting hole, conducting rod, brush, first stitch, second stitch and spread groove, can adapt to not unidimensional tubulose fuse, can all keep better electric connection to unidimensional insurance, is difficult for contact failure.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can adapt to not unidimensional tubulose fuse, can all keep better electric connection, difficult contact failure to not unidimensional insurance.

Drawings

Fig. 1 is a schematic structural view of a high-voltage soldering-free tubular fuse according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the device comprises a 1 tubular fuse, a 2 fixed base, a 3 fixed groove, a 4 connecting mechanism, a 41 first conductive block, a 42 spring, a 43 second conductive block, a 44 connecting hole, a 45 conductive rod, a 46 brush, a 47 first pin, a 48 second pin, a 49 connecting groove, a 5 fixed block, a 6 protective cover and a 7 insulating and heat insulating pad.

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.

Referring to fig. 1-2, a high-voltage soldering-tin-free tubular fuse comprises a tubular fuse 1 and a fixed base 2, wherein a fixed groove 3 is formed in the fixed base 2, and the fixed groove 3 is connected with a connecting mechanism 4;

the connecting mechanism 4 comprises a first conductive block 41, a spring 42, a second conductive block 43, a connecting hole 44, a conductive rod 45, an electric brush 46, a first pin 47, a second pin 48 and a connecting groove 49, wherein the first conductive block 41 is fixedly connected on one side groove wall of the fixed groove 3, one end of the spring 42 is fixedly connected on one side groove wall of the fixed groove 3 far away from the first conductive block 41, the second conductive block 43 is fixedly connected on the other end of the spring 42, the connecting groove 49 is arranged at one end of the second conductive block 43 far away from the spring 42, the conductive rod 45 is fixedly connected on one side groove wall of the fixed groove 3 far away from the first conductive block 41, the connecting hole 44 is arranged at the position of the second conductive block 43 corresponding to the conductive rod 45, the conductive rod 45 passes through the connecting hole 44 and is in sliding connection with the connecting hole 44, the electric brush 46 is fixedly connected on the top hole wall of the connecting, one end of the tubular fuse 1 is arranged in the connecting groove 49, the other end of the tubular fuse 1 is abutted against the first conductive block 41, the first pin 47 is fixedly connected to the bottom of the first conductive block 41, the first pin 47 penetrates through the groove bottom of the fixing groove 3 and extends outwards, the second pin 48 is fixedly connected to the bottom of the conductive rod 45, the second pin 48 penetrates through the groove bottom of the fixing groove 3 and extends outwards, when the tubular fuse 1 with different sizes is replaced, the second conductive block 43 is moved, the second conductive block 43 is loosened or the spring 42 is compressed, the second conductive block 43 moves the electric brush 46 to move on the conductive rod 45, the second conductive block 43 keeps electric connection with the second pin 48 through the electric brush 46 and the conductive rod 45, the tubular fuse with different sizes can be adapted, better electric connection can be kept for fuses with different sizes, and poor contact 1 is not easy to contact.

The conducting rod 45 is close to one end fixedly connected with fixed block 5 of first conducting block 41, and the one end fixed connection of fixed block 5 makes conducting rod 45 more firm at the tank bottom of fixed slot 3, difficult slope and deformation.

The position of the fixed base 2 corresponding to the notch of the fixed groove 3 is connected with a protective cover 6 through a hasp, so that the tubular fuse 1 is better protected, and the tubular fuse 1 is not easy to shake.

The bottom fixedly connected with of unable adjustment base 2 insulates against heat the heat insulating mattress 7, prevents on the heat conduction of circuit board tubular fuse 1, and insulating effectual.

The first conductive block 41, the second conductive block 43 and the conductive rod 45 are all made of brass, so that the resistance is low and the conductivity is good.

The brush 46 is a graphite brush, which is more wear resistant and has a long service life.

The utility model discloses in, when changing the different tubulose fuse 1 of size, remove second conducting block 43, second conducting block 43 relaxes or compression spring 42, second conducting block 43 moves brush 46 and moves on conducting rod 45, second conducting block 43 passes through brush 46 and conducting rod 45 and keeps electric connection with second stitch 48, can adapt to not unidimensional tubulose fuse, can all keep better electric connection to unidimensional fuse, difficult contact failure 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high-voltage soldering tin-free tubular fuse comprises a tubular fuse (1) and a fixed base (2), and is characterized in that a fixed groove (3) is formed in the fixed base (2), and the fixed groove (3) is connected with a connecting mechanism (4);

the connecting mechanism (4) comprises a first conductive block (41), a spring (42), a second conductive block (43), a connecting hole (44), a conductive rod (45), an electric brush (46), a first stitch (47), a second stitch (48) and a connecting groove (49), wherein the first conductive block (41) is fixedly connected to one side groove wall of the fixed groove (3), one end of the spring (42) is fixedly connected to one side groove wall of the fixed groove (3) far away from the first conductive block (41), the second conductive block (43) is fixedly connected to the other end of the spring (42), the connecting groove (49) is arranged at one end of the second conductive block (43) far away from the spring (42), the conductive rod (45) is fixedly connected to one side groove wall of the fixed groove (3) far away from the first conductive block (41), the connecting hole (44) is arranged at the position of the second conductive block (43) corresponding to the conductive rod (45), the utility model discloses a fuse structure, including conducting rod (45), brush (46), first stitch (47), connecting groove (49), connecting hole (44) and connecting hole (44), brush (46) fixed connection is on the top pore wall of connecting hole (44), the other end and the conducting rod (45) of brush (46) offset, the one end setting of tubulose fuse (1) is in connecting groove (49), the other end and first conducting block (41) of tubulose fuse (1) offset, first stitch (47) fixed connection is in the bottom of first conducting block (41), the tank bottom that fixed slot (3) were run through in first stitch (47) extends outwards, second stitch (48) fixed connection is in the bottom of conducting rod (45), the tank bottom that fixed slot (3) were run through in second stitch (48) extends outwards.

2. The high-voltage solderless tubular fuse as claimed in claim 1, wherein one end of the conductive rod (45) close to the first conductive block (41) is fixedly connected with a fixed block (5), and one end of the fixed block (5) is fixedly connected with the bottom of the fixed groove (3).

3. A high-voltage solderless tubular fuse as claimed in claim 1, characterized in that the securing base (2) is snap-connected with a protective cover (6) at a location corresponding to the slot opening of the securing slot (3).

4. A high-voltage solderless tubular fuse in accordance with claim 1, characterized in that an insulating and heat insulating mat (7) is fixedly attached to the bottom of the fixing base (2).

5. The high-voltage solderless tubular fuse as claimed in claim 1, wherein the first conductive block (41), the second conductive block (43) and the conductive rod (45) are made of brass.

6. A high voltage solderless tubular fuse in accordance with claim 1, characterized in that the brush (46) is a graphite brush.