CN112201553A

CN112201553A - Fuse installation device

Info

Publication number: CN112201553A
Application number: CN202010913106.6A
Authority: CN
Inventors: 谢吉萍
Original assignee: Quanzhou Siruofatu Technology Co ltd
Current assignee: Quanzhou Siruofatu Technology Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-01-08

Abstract

The invention discloses a fuse mounting device, and belongs to the technical field of fuse equipment. The technical scheme of the invention is as follows: the device comprises a base, a fuse and a ceramic insulator, wherein clamps are arranged on the surfaces of two ends of the ceramic insulator, a plurality of groups of mounting holes for installing the clamps are formed in the surfaces of the base, which are close to the two ends, fastening bolts are arranged between the clamps and the mounting holes, connecting screws are arranged at two ends of the ceramic insulator, conductive connecting plates are sleeved on the surfaces of the two connecting screws, a binding post is arranged on one side of each conductive connecting plate, one end of the top of each conductive connecting plate is fixedly connected with a fixing screw, and a fuse fixing device is arranged between the two fixing. Through being equipped with fuse fixing device, be favorable to adopting the mode of the fixed fuse of push type, prevent that the fuse from rotating fixedly, cause electrically conductive spring chip wrench movement to damage to through the spout effect of fixed end piece, effectual messenger's fuse carries out reasonable installation according to ceramic insulator's length.

Description

Fuse installation device

Technical Field

The invention belongs to the technical field of fuse equipment, and particularly relates to a fuse mounting device.

Background

The fuse is an electric appliance which fuses a melt by heat generated by itself to open a circuit when a current exceeds a predetermined value. The fuse melts the melt by the heat generated by the fuse after the current exceeds a specified value for a period of time, so as to cut off the circuit; a current protector is made by applying the principle. 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.

Through, the fuse that uses in the track traffic, adopt ceramic insulator and fuse to install jointly more, constitute high-pressure drop out fuse, however, in ceramic insulator and fuse installation, because fuse and ceramic insulator's length can change according to the model separately, consequently in fuse and ceramic insulator installation, it is inconvenient to cause the installation, can't be that the fuse is adapted to the ceramic insulator of different length, and the mode installation of screwing is often adopted in the installation of general fuse both ends, it is not hard up to appear the conducting strip easily in this installation, cause contact failure easily, influence the function of fuse outage protection. Therefore, there is a need to provide a new fuse mounting device to solve the above problems.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: to prior art's not enough, provide a fuse installation device, through the mode that adopts the fixed fuse of push type, prevent that the fuse from rotating the fixed, cause electrically conductive spring chip wrench movement to damage to through the spout effect of fixed end piece, the effectual fuse that makes carries out reasonable installation according to ceramic insulator's length, in order to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problems, the invention adopts the following technical scheme:

a fuse mounting device comprises a base, a fuse and a ceramic insulator; the surface of each of two ends of the ceramic insulator is provided with a clamp, a plurality of groups of mounting holes for mounting the clamps are formed in the surface of the base close to the two ends, fastening bolts are arranged between the clamps and the mounting holes, connecting screws are arranged at the two ends of the ceramic insulator, conductive connecting plates are sleeved on the surfaces of the two connecting screws, binding posts are arranged on one sides of the conductive connecting plates, one end of the top of each conductive connecting plate is fixedly connected with a fixing screw, and a fuse fixing device is arranged between the two fixing screws; fuse fixing device includes two adapter sleeves, and roof and interior diapire all articulate near the one end of import in two adapter sleeves has the fixed plate, and the fixed plate is close to and is connected with supporting spring between other end surface and the adapter sleeve, the inside preceding lateral wall of adapter sleeve all is provided with the spring leaf with the back lateral wall, and the adapter sleeve is close to the inner wall of clamping screw one end and is provided with the conductive spring chip, the fixed grafting of the outside one end of adapter sleeve has the fixed terminal piece, and fixed terminal piece one end and conductive spring chip electricity are connected, fixed terminal piece surface seted up with clamping screw assorted spout, the spout is microscler setting, and conductive connecting plate and fixed terminal piece are the copper.

The fixing screw rod is located at the top and the bottom of the fixing end piece, one end of the fixing screw rod outside the fixing end piece and one end of the binding post outside the fixing end piece are in threaded connection with nuts, and a copper sheet is arranged on one side for fixing the nuts.

The direct cross-sectional shape in base both ends sets up for the U-shaped plate, and the opening position diameter size of clamp bottom is less than ceramic insulator direct size.

The diameter size at two ends of the fuse is matched with the maximum distance between the two fixing plates in the same connecting sleeve, the fixing plates are arranged in an arc shape, the radian is matched with the radian of the connecting sleeve, and spring grooves matched with the supporting springs are formed in the inner top wall and the inner bottom of the connecting sleeve.

The number of the mounting holes of the base close to the surfaces of the two ends is three, the number of the mounting holes of each group is two, and the mounting holes of the base close to the surfaces of the two ends are symmetrically arranged relative to the center line of the base.

The support spring is arranged in an arc shape, and the radian of the support spring is equal to the radian of the fixed plate rotating by taking the hinged end as the circle center.

The base top is provided with the protection casing, the base top surface seted up with protection casing assorted recess, the fixed orifices has all been seted up to the inside all around of recess, the equal fixedly connected with fixed pin in protection casing bottom four sides surface, fixed pin bottom one end runs through the fixed orifices and adopts the nut fixed.

Wherein, the protection casing both ends all are provided with the spool, and the inside wire that is provided with of spool, spool are the arc setting, and the both ends of spool all face down the setting, the spool both ends all are provided with the rubber buffer, and wired hole is seted up on the rubber buffer surface, are interference fit setting between line hole and the wire.

The top of the base is located at the bottom of the ceramic insulator and is provided with a mesh enclosure, a drying agent bag is arranged inside the mesh enclosure, and the mesh enclosure is made of a plastic material.

Compared with other methods, the method has the beneficial technical effects that:

1. the fuse fixing device comprises two connecting sleeves, wherein a fixed plate is hinged to one end, close to an inlet, of an inner top wall and an inner bottom wall of each connecting sleeve, a supporting spring is connected between the surface, close to the other end, of each fixed plate and the corresponding connecting sleeve, the fuse is favorably compressed and prevented from falling off by the aid of the fixed plates and the supporting springs, spring pieces are arranged on the front side wall and the rear side wall inside each connecting sleeve, friction force at two ends of the fuse is favorably increased and the fuse is prevented from falling off by the aid of the spring pieces, the fuse is favorably electrically connected with a conductive spring chip by the aid of the fuse fixing device in a pressing mode, the fuse is prevented from being rotated and fixed to cause torsional damage of the conductive spring chip, and the distance between the fuse and a fixing screw rod is effectively adjusted, thereby the fuse is rationally installed according to the length of the ceramic insulator.

Through being equipped with the protection casing, be favorable to making the protection casing to protect fuse and ceramic insulator to and lie in the ceramic insulator bottom through the base top and set up the screen panel, the inside drier bag that is provided with of screen panel adopts the drier bag to carry out drying and dehumidification to the protection casing is inside.

Through setting up the spool, be favorable to through the radian setting of spool, the favourable crease that prevents produces between wire and the spool leads to the wire to accelerate ageing damage to through the effect of rubber buffer, seal wire and spool, prevent that water from flowing into the protection casing inside through the wire.

Drawings

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

FIG. 2 is a schematic view of the fuse 2 of the present invention prior to installation;

fig. 3 is a left side view of the installation of the ceramic insulator 3 of the present invention;

figure 4 is a top view of the fuse holder 11 construction of the present invention;

FIG. 5 is an enlarged view of area A of FIG. 1;

FIG. 6 is an enlarged view of area B of FIG. 2;

FIG. 7 is an enlarged view of area C of FIG. 1;

FIG. 8 is an enlarged view of area D of FIG. 1;

FIG. 9 is a sectional view showing the structure of a rubber stopper 27 in the present invention;

FIG. 10 is a top view of the structure of the base 1 of the present invention;

1. a base; 2. a fuse; 3. a ceramic insulator; 4. clamping a hoop; 5. mounting holes; 6. fastening a bolt; 7. connecting a screw rod; 8. a conductive connection plate; 9. a binding post; 10. fixing the screw rod; 11. a fuse fixing device; 12. connecting sleeves; 13. a fixing plate; 14. a support spring; 15. a spring plate; 16. a conductive spring chip; 17. fixing the end piece; 18. a chute; 19. a nut; 20. a copper sheet; 21. a spring slot; 22. a protective cover; 23. a groove; 24. a fixing hole; 25. a fixing pin; 26. a conduit; 27. a rubber plug; 28. a wire hole; 29. a mesh enclosure; 30. a desiccant bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A fuse mounting device as shown in fig. 1-10, comprises a base 1, a fuse 2 and a ceramic insulator 3, the surfaces of the two ends of the ceramic insulator 3 are respectively provided with a hoop 4, the surface of the base 1 close to the two ends is respectively provided with a plurality of groups of mounting holes 5 for installing the hoops 4, a fastening bolt 6 is arranged between the hoop 4 and the mounting hole 5, connecting screw rods 7 are arranged at both ends of the ceramic insulator 3, conductive connecting plates 8 are sleeved on the surfaces of the two connecting screw rods 7, a binding post 9 is arranged on one side of the conductive connecting plate 8, one end of the top of the conductive connecting plate 8 is fixedly connected with a fixing screw 10, a fuse fixing device 11 is arranged between the two fixing screws 10, the fuse fixing device 11 on the fixing screw rod 10 is fixed by adopting the two nuts 19, so that the height between the fuse 2 and the ceramic insulator 3 is favorably changed;

the fuse fixing device 11 comprises two connecting sleeves 12, wherein a fixing plate 13 is hinged to one end, close to an inlet, of an inner top wall and an inner bottom wall of each connecting sleeve 12, a supporting spring 14 is connected between the surface of the other end, close to the connecting sleeve 12, of each fixing plate 13 and one end, close to an inlet, of each inner bottom wall of each connecting sleeve 12, the fuse 2 is favorably compressed by the aid of the corresponding fixing plate 13 and the corresponding supporting spring 14, the fuse 2 is prevented from falling off, spring pieces 15 are arranged on the front side wall and the rear side wall inside each connecting sleeve 12, friction force at two ends of the fuse 2 is favorably increased by the aid of the corresponding spring pieces 15, the fuse 2 is prevented from falling off, a conductive spring chip 16 is arranged on the inner wall, close to one end of the fixing screw 10, one end outside each connecting sleeve 12 is fixedly inserted with a fixing end, chute 18 is microscler setting, electrically conductive connecting plate 8 and fixed end piece 17 are the copper product and make, through being equipped with fuse fixing device 11, be favorable to adopting the mode of the fixed fuse of push type 2, make fuse 2 and electrically conductive spring chip 16 carry out electric connection, thereby prevent fuse 2 swivelling joint, cause the damage of conductive spring chip 16 wrench movement, and through the 18 effects of chute of fixed end piece 17, distance length between effectual adjustment fuse 2 and the clamping screw 10, thereby make fuse 2 carry out reasonable installation according to ceramic insulator 3's length.

Further, in the above technical solution, the fixing screw 10 is located at the top and the bottom of the fixing end piece 17, one end of the fixing screw outside the connecting screw 7 and one end of the fixing post outside the binding post 9 are both connected with a nut 19 in a threaded manner, and a copper sheet 20 is arranged on one side for fixing the nut 19, so that the nut 19 and the copper sheet 20 fix the connecting screw 7 and the object on the fixing screw 10.

Furthermore, in the above technical scheme, the direct cross-sectional shape in base 1 both ends sets up for the U-shaped board, the opening position diameter size of clamp 4 bottom is less than 3 direct sizes of ceramic insulator, when being favorable to making ceramic insulator 3 and base 1 fixed, has certain altitude distance with between 1.

Further, the maximum distance phase-match between two fixed plates 13 in the diameter size at 2 both ends of fuse and same adapter sleeve 12, fixed plate 13 is the arc setting, and radian and adapter sleeve 12 radian phase-match are favorable to installing fuse 2 and adapter sleeve 12, roof and interior bottom all offer in adapter sleeve 12 with supporting spring 14 assorted spring groove 21, be favorable to holding completely the supporting spring 14 that contracts, prevent that fixed plate 13 both ends are highly different.

Further, in the above technical scheme, the number of the mounting holes 5 on the base 1 near the two end surfaces is three, and the number of each group of mounting holes 5 is two, the mounting holes 5 on the base 1 near the two end surfaces are symmetrically arranged about the center line of the base 1, so that the mounting holes 5 can be selected according to the length of the ceramic insulator 3 to be mounted.

Further, the supporting spring 14 is arranged in an arc shape, and the radian of the supporting spring 14 is equal to the radian of the fixed plate 13 rotating by taking the hinged end as a circle center.

Further, in above-mentioned technical scheme, 1 top of base is provided with

protection casing

22, 1 top surface of base seted up with protection casing 22 assorted recess 23, recess 23 all around inside has all seted up fixed orifices 24, the equal fixedly connected with fixed pin 25 in protection casing 22 bottom four sides surface, fixed pin 25 bottom one end is run through fixed orifices 24 and is adopted nut 19 fixed, through being equipped with protection casing 22, is favorable to making protection casing 22 protect fuse 2 and ceramic insulator 3.

Further, protection casing 22 both ends all are provided with spool 26, the inside wire that is provided with of spool 26, and the wire itself is from taking a rubber buffer 27, and this rubber buffer 27 is located the outside one end of protection casing 22 with spool 26 and is plugged up tightly, spool 26 is the arc setting, and the both ends of spool 26 all face down and set up, spool 26 both ends all are provided with rubber buffer 27, wired hole 28 is seted up on rubber buffer 27 surface, be interference fit setting between line hole 28 and the wire, through being equipped with spool 26, be favorable to the radian setting through spool 26, the crease that produces between wire and the spool 26 is prevented to the effect through rubber buffer 27 leads to the wire to accelerate ageing damage to seal wire and spool 26, prevent that water from flowing into inside protection casing 22 through the wire.

Further, in the above technical solution, a mesh enclosure 29 is disposed at the top of the base 1 and at the bottom of the ceramic insulator 3, a desiccant bag 30 is disposed inside the mesh enclosure 29, the mesh enclosure 29 is made of a plastic material, and the desiccant bag 30 is used to dry and dehumidify the inside of the protective cover 22.

The working principle of the device of the invention is as follows:

as shown in fig. 1-6, when the fuse 2 and the ceramic insulator 3 are installed, two ends of the ceramic insulator 3 are fixed with the installation holes 5 on the base 1 by the fastening bolts 6 through the clips 4, and in the fixing process, the installation holes 5 need to be fixed by two groups which are centrosymmetric to the base 1, then the conductive connecting plate 8 is sleeved on the connecting screw rods 7 at two ends of the ceramic insulator 3, the conductive connecting plate 8 is fixed by the nuts 19 and the copper sheets 20, then two ends of the fuse 2 are respectively inserted into the connecting sleeves 12, when two ends of the fuse 2 are inserted into the connecting sleeves 12, the fixing plate 13 is forced to approach the inner wall of the connecting sleeve 12 at the hinged position, so that the supporting spring 14 is completely retracted into the spring groove 21, the fixing plate 13 is completely close to the inner wall of the connecting sleeve 12, and when the fuse 2 moves to the spring leaf 15 position, pressing down the spring piece 15, continuously pressing the connecting sleeve 12 and the fuse 2 to enable one end of the fuse 2 to be in contact with and tightly press the conductive spring chip 16, then respectively screwing the nut 19 and the copper sheets 20 on the surface with the same height of the fixing screw 10, inserting the fixing screw 10 into the sliding groove 18 of the fixing end piece 17, selecting the corresponding position of the sliding groove 18 on the fixing end piece 17 according to the length of the fuse 2, then screwing the nut 19 and the copper sheets 20 on the surface of the fixing screw 10 again, fixing the fixing end piece 17 between the two copper sheets 20, thereby fixedly installing the fuse 2 and the ceramic insulator 3, effectively adopting the mode of pressing and fixing the fuse 2 to electrically connect the fuse 2 and the conductive spring chip 16, thereby preventing the fuse 2 from being rotated and fixed to cause twisting damage of the conductive spring chip 16 and acting through the sliding groove 18 of the fixing end piece 17, the distance length between the fuse 2 and the fixing screw 10 is effectively adjusted, so that the fuse 2 is reasonably installed according to the length of the ceramic insulator 3;

as shown in fig. 1-2 and fig. 7-10, after the fuse 2 and the ceramic insulator 3 are installed and received, a wire to be used penetrates into the interior of the protective cover 22 through the conduit 26, and both ends of the conduit 26 are plugged by rubber plugs 27 respectively at both ends, then the wire at one end inside the protective cover 22 is connected with the terminal 9 for supplying power, the protective cover 22 is inserted into the interior of the groove 23, and the fixing pin 25 passes through the fixing hole 24, and then the protective cover 22 is fixed by the nut 19, so that the protective cover 22 can effectively protect the fuse 2 and the ceramic insulator 3, and the interior of the protective cover 22 is dried and dehumidified by the desiccant bag 30, and through the arc setting of the conduit 26, crease is favorably prevented from being generated between the wire and the conduit 26, and the aging and damage of the wire are.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A fuse installation device comprises a base (1), a fuse (2) and a ceramic insulator (3), and is characterized in that clamps (4) are arranged on the surfaces of two ends of the ceramic insulator (3), a plurality of groups of installation holes (5) for installing the clamps (4) are formed in the surface, close to the surfaces of the two ends, of the base (1), fastening bolts (6) are arranged between the clamps (4) and the installation holes (5), connecting screws (7) are arranged at the two ends of the ceramic insulator (3), conductive connecting plates (8) are sleeved on the surfaces of the two connecting screws (7), binding posts (9) are arranged on one sides of the conductive connecting plates (8), fixing screws (10) are fixedly connected to one ends of the tops of the conductive connecting plates (8), and a fuse fixing device (11) is arranged between the two fixing screws (10); the fuse fixing device (11) comprises two connecting sleeves (12), a fixing plate (13) is hinged to one end, close to an inlet, of the inner top wall and the inner bottom wall of each connecting sleeve (12), a supporting spring (14) is connected between the surface, close to the other end, of each fixing plate (13) and the corresponding connecting sleeve (12), spring pieces (15) are arranged on the front side wall and the rear side wall in the connecting sleeve (12), a conductive spring chip (16) is arranged on the inner wall of one end of the connecting sleeve (12) close to the fixed screw rod (10), a fixed end sheet (17) is fixedly inserted at one end of the outer part of the connecting sleeve (12), one end of the fixed end sheet (17) is electrically connected with the conductive spring chip (16), a sliding groove (18) matched with the fixed screw rod (10) is arranged on the surface of the fixed end sheet (17), the sliding groove (18) is arranged in a long shape, and the conductive connecting plate (8) and the fixed end piece (17) are made of copper materials.

2. A fuse mounting device according to claim 1, characterized in that the fixing screw (10) is screwed with nuts (19) at the top and bottom of the fixing terminal strip (17) and at the external end of the connecting screw (7) and at the external end of the terminal stud (9), and the side of the nuts (19) for fixing is provided with a copper strip (20).

3. A fuse mounting device according to claim 1, characterized in that the cross-section of the base (1) is shaped as a U-plate, and the diameter of the opening at the bottom of the clamp (4) is smaller than the diameter of the ceramic insulator (3).

4. A fuse mounting device as claimed in claim 1, characterized in that the diameter of the two ends of the fuse (2) matches the maximum distance between the two fixing plates (13) in the same connecting sleeve (12), the fixing plates (13) are arc-shaped and have a radian matching the radian of the connecting sleeve (12), and the inner top wall and the inner bottom of the connecting sleeve (12) are both provided with spring slots (21) matching the supporting springs (14).

5. A fuse mounting device as claimed in claim 1, wherein the number of the mounting holes (5) of the base (1) near the two end surfaces is three, and the number of the mounting holes (5) of each group is two, and the mounting holes (5) of the base (1) near the two end surfaces are symmetrically arranged with respect to the center line of the base (1).

6. A fuse mounting device according to claim 1, characterised in that the supporting spring (14) is arcuate in shape, the arc of the supporting spring (14) being equal to the arc of rotation of the fixed plate (13) about the hinged end.

7. A fuse mounting device according to claim 1, characterized in that a protective cover (22) is arranged on the top of the base (1), a groove (23) matched with the protective cover (22) is formed on the surface of the top of the base (1), fixing holes (24) are formed inside the periphery of the groove (23), fixing pins (25) are fixedly connected to the surfaces of four sides of the bottom of the protective cover (22), and one end of the bottom of each fixing pin (25) penetrates through the corresponding fixing hole (24) and is fixed by a nut (19).

8. A fuse mounting device according to claim 7, characterized in that, protection casing (22) both ends all are provided with spool (26), and the inside wire that is provided with of spool (26), spool (26) are the arc setting, and the both ends of spool (26) all face down the setting, spool (26) both ends all are provided with rubber buffer (27), and rubber buffer (27) surface is seted up wired hole (28), is interference fit setting between line hole (28) and the wire.

9. A fuse mounting device according to claim 1, characterized in that the top of the base (1) at the bottom of the ceramic insulator (3) is provided with a screen (29), the screen (29) is internally provided with a desiccant bag (30), and the screen (29) is made of plastic material.