CN112967916A

CN112967916A - Fuse with automatic popping and wire breaking functions for manufacturing high-end equipment

Info

Publication number: CN112967916A
Application number: CN202110166118.1A
Authority: CN
Inventors: 张玉玲
Original assignee: Jiuyuan Hongyitang Enterprise Management Co ltd
Current assignee: Jiuyuan Hongyitang Enterprise Management Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-06-15

Abstract

The invention relates to the technical field of power equipment, and discloses a fuse with an automatic wire popping and breaking function for manufacturing high-end equipment. This be used for high-end equipment to make has the fuse of auto-eject disconnected silk function, the temperature when fusing through the fuse high temperature leads to the bimetallic strip to warp, drives and promotes spring rebound, promotes the disconnected silk and breaks away from the plug-in strip, realizes the automatic disconnected silk function of release, improves the fuse and trades silk efficiency, and then improves production efficiency.

Description

Fuse with automatic popping and wire breaking functions for manufacturing high-end equipment

Technical Field

The invention relates to the technical field of power equipment, in particular to a fuse with an automatic popping and wire breaking function for manufacturing high-end equipment.

Background

The high-end equipment manufacturing industry refers to the high-end field of the equipment manufacturing industry, and the high-end is mainly expressed in three aspects: firstly, the technology content is high, the knowledge and technology are intensive, and the inheritance of multidisciplinary and multi-field high-precision technologies is embodied; secondly, the method is at the high end of a value chain and has the characteristic of high added value; third, the development level of the industry chain, which occupies the core area, determines the overall competitiveness of the industry chain, including both the high-end portion of the traditional manufacturing industry and the high-end portion of the emerging industry. The key basic parts mainly comprise a liquid-gas tight element and system, a bearing, a gear and transmission system, an automatic control system and the like; the basic manufacturing equipment mainly comprises a numerical control machine tool and an industrial master machine for stamping, forging, casting, welding, heat treatment and the like.

The industrial mother machine is basically large equipment, and therefore matched power equipment is very needed to provide electric energy, the power equipment mainly comprises power generation equipment and power supply equipment, the power generation equipment mainly comprises a power station boiler, a steam turbine, a gas turbine, a water turbine, a generator, a transformer and the like, the power supply equipment mainly comprises power transmission lines, transformers, contactors, fuses and the like with various voltage grades, and the fuses refer to electric appliances which fuse melts by heat generated by the fuses and disconnect circuits when current exceeds a specified 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.

When the conventional fuse base is manufactured, the accuracy of the installation position of a base contact is ensured, the accuracy of the length of a fuse is also ensured, the error is generally required to be controlled within plus or minus 0.3mm, the standard is high in the industry, and the fuse base with one specification can only be used corresponding to one fuse link, so that the fuse base is poor in universality and complex to machine, the machining cost is improved, and the machining efficiency is reduced; in addition, when the fuse plays a role, the fuse wire is fused, and the fuse wire is often fused due to the fact that the protection circuit leads to the fuse wire, so that the replacement of the fuse wire is conventional operation, the existing equipment needs to manually detach the fuse wire when replacing the fuse wire, the replacement efficiency is low, and the production efficiency is further reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the fuse which is used for manufacturing high-end equipment and has the function of automatically popping out and breaking wires, has the advantages of strong base universality and high wire-breaking replacement efficiency, and solves the problems of poor base universality and low wire-breaking replacement efficiency of the conventional equipment.

(II) technical scheme

In order to solve the technical problems, the invention provides the following technical scheme: a fuse with an automatic wire popping and breaking function for manufacturing high-end equipment comprises a shell, wherein the left side and the right side of the bottom in the shell are movably connected with a rotating shaft, the front end of the rotating shaft is fixedly connected with a first connecting rod, the top of the first connecting rod is movably connected with a second connecting rod, one end of the second connecting rod, which is far away from the first connecting rod, is movably connected with a third connecting rod, the middle of the third connecting rod is movably connected with a fourth connecting rod, the top of the fourth connecting rod and the middle of the second connecting rod are movably connected with a fifth connecting rod, the top of the fifth connecting rod is fixedly connected with a knife switch, the middle of the knife is movably connected with a fuse wire, the middle of the bottom in the shell is fixedly connected with a pushing spring, the top of the pushing spring is movably connected with a stop lever, the bottom of the stop lever is movably connected with a moving rod, swing joint has the upper cover at the bull stick top, the positive bottom of upper cover just is located the inboard swing joint of bull stick and has the knee, the one end swing joint that the upper cover was kept away from to the knee has the dead lever, the inside left side of casing and the equal fixedly connected with bimetallic strip in right side, the inside left side of casing and right side just are in the equal swing joint of bimetallic strip top and have the baffle, the taut spring of baffle bottom fixedly connected with, the inside bottom left side of casing and the equal fixedly connected with cassette in right side, cassette middle part swing joint has the push rod, one side swing joint that the push rod was carried on the back.

Preferably, the left side and the right side of the shell are both provided with grooves matched with the racks for mounting the racks, so that the racks can move up and down conveniently.

Preferably, the fifth connecting rod is made of an insulating material, so that the occurrence of accidents due to electric leakage of the knife switch is prevented.

Preferably, the top of the knife switch is provided with a groove matched with the fuse wire for installing the fuse wire.

Preferably, the push-up spring is in a compressed state and is used for ejecting broken wires after release.

Preferably, the bimetallic strip and the rack are provided with holes matched with the tensioning springs for installing the tensioning springs, so that the tensioning springs can drive the baffle plate to move downwards conveniently.

Preferably, the tension spring is in a tension state for releasing the downward movement of the rear pull rack.

Preferably, the outer ring of the grooved pulley is provided with a groove matched with the push rod and used for controlling the rotation of the rotating shaft.

(III) advantageous effects

Compared with the prior art, the invention provides a fuse with an automatic popping and wire breaking function for manufacturing high-end equipment, which has the following beneficial effects:

1. this be used for high-end equipment to make fuse that has automatic pop-up broken filament function, temperature when fusing through the fuse high temperature leads to the bimetallic strip to warp, bimetallic strip warp release baffle, taut spring drives the baffle and moves down, the baffle drives the rack and moves down, the rack drives the gear revolve, the gear drives the bull stick and rotates, the bull stick is rotatory to drive the upper cover and moves, the in-process that the upper cover moved upwards rotates under the effect of knee lever and opens, the in-process that the rack moved down drives the carriage release and moves down, the in-process that the carriage release moved down drives the bull stick and rotates, release the promotion spring after the bull stick rotates a certain position, the promotion spring moves up, promote the broken filament to break away from the plug-type broach, realize the automatic release broken filament function, improve fuse wire exchange silk efficiency, and then improve production efficiency.

2. This be used for high-end equipment to make fuse that has automatic pop-up broken filament function, drive the push rod rebound through pressing down the clamp plate, the far release sheave of push rod rebound and pivot, the pivot drives first connecting rod rotatory, first connecting rod drives the second connecting rod and removes about, the in-process that the second connecting rod removed drives the third connecting rod rotatory, the third connecting rod drives the fourth connecting rod and removes, the in-process that fourth connecting rod and second connecting rod removed drives the fifth connecting rod and removes, the fifth connecting rod drives the plug-in strip and removes, the installation that realizes different length fuse about the plug-in strip is removed to the plug-in strip, the commonality of fuse base is improved, the production efficiency is improved, and the production cost is reduced.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1.

FIG. 3 is an enlarged view of the portion B shown in FIG. 1 according to the present invention.

In the figure: 1. a housing; 2. a rotating shaft; 3. a first link; 4. a second link; 5. a third link; 6. a fourth link; 7. a fifth link; 8. a knife switch; 9. fusing the wires; 10. a push-up spring; 11. a stop lever; 12. a travel bar; 13. a rack; 14. a gear; 15. a rotating rod; 16. an upper cover; 17. bending a rod; 18. fixing the rod; 19. a bimetal; 20. a baffle plate; 21. tensioning the spring; 22. a card holder; 23. a push rod; 24. pressing a plate; 25. grooved wheels.

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.

Referring to fig. 1-3, a fuse with an automatic pop-up fuse breaking function for high-end equipment manufacturing comprises a housing 1, wherein the left side and the right side of the housing 1 are both provided with a groove adapted to a rack 13 for mounting the rack 13 to facilitate the up-and-down movement of the rack 13, the left side and the right side of the bottom inside the housing 1 are both movably connected with a rotating shaft 2, the front end of the rotating shaft 2 is fixedly connected with a first connecting rod 3, the top of the first connecting rod 3 is movably connected with a second connecting rod 4, one end of the second connecting rod 4 far away from the first connecting rod 3 is movably connected with a third connecting rod 5, the middle part of the third connecting rod 5 is movably connected with a fourth connecting rod 6, the top of the fourth connecting rod 6 and the middle part of the second connecting rod 4 are both movably connected with a fifth connecting rod 7, the fifth connecting rod 7 is made of an insulating material to prevent an accident caused by the leakage of a switch 8, the top, the fuse wire pushing device is used for installing a fuse wire 9, the middle part of the switch blade 8 is movably connected with the fuse wire 9, the middle part of the bottom inside the shell 1 is fixedly connected with a pushing spring 10, and the pushing spring 10 is in a compressed state and used for pushing out the fuse wire after releasing.

The top of the pushing spring 10 is movably connected with a stop lever 11, the bottom of the stop lever 11 is movably connected with a movable lever 12, the top of the movable lever 12 is movably connected with a rack 13, one side opposite to the rack 13 is engaged with a gear 14, the top of the gear 14 on the inner side is fixedly connected with a rotating lever 15, the top of the rotating lever 15 is movably connected with an upper cover 16, the front bottom of the upper cover 16 and the inner side of the rotating lever 15 are movably connected with a bent lever 17, one end of the bent lever 17 far away from the upper cover 16 is movably connected with a fixed lever 18, the left side and the right side in the shell 1 are both fixedly connected with a bimetallic strip 19, the bimetallic strip 19 and the rack 13 are both provided with holes matched with a tensioning spring 21 for installing the tensioning spring 21, the tensioning spring 21 is convenient to drive the baffle 20 to move downwards, the baffle 20 is movably connected with the left side, tensioning spring 21 is in tensile state for pull rack 13 downstream after the release, the equal fixedly connected with cassette 22 in 1 inside bottom left side of casing and right side, cassette 22 middle part swing joint has push rod 23, one side swing joint that push rod 23 carried on the back mutually has

clamp plate

24, 2 front end fixedly connected with sheaves 25 of pivot, 25 outer lanes of sheave offer with the groove of push rod 23 looks adaptation for control pivot 2 is rotatory.

The working principle is as follows: pressing the pressing plate 24 to drive the push rod 23 to move upwards, moving the push rod 23 upwards to release the grooved pulley 25 and the rotating shaft 2 far away, the rotating shaft 2 drives the first connecting rod 3 to rotate, the first connecting rod 3 drives the second connecting rod 4 to move left and right, the second connecting rod 4 drives the third connecting rod 5 to rotate in the moving process, the third connecting rod 5 drives the fourth connecting rod 6 to move left and right, the fourth connecting rod 6 and the second connecting rod 4 drive the fifth connecting rod 7 to move left and right, the fifth connecting rod 7 drives the switch blade 8 to move left and right, and the switch blade 8 moves left and right to realize the installation of fuse wires 9 with different lengths, so that the universality of the fuse base is improved, the production efficiency is improved, and.

The temperature of the fuse wire 9 during high-temperature fusing causes the deformation of the bimetallic strip 19, the bimetallic strip 19 deforms to release the baffle 20, the tensioning spring 21 drives the baffle 20 to move downwards, the baffle 20 drives the rack 13 to move downwards, the rack 13 drives the gear 14 to rotate, the gear 14 drives the rotating rod 15 to rotate, the rotating rod 15 rotates to drive the upper cover 16 to move, the upper cover 16 rotates upwards and opens under the action of the bent rod 17 in the moving process, the moving rod 12 moves downwards in the moving process of the rack 13, the blocking rod 11 rotates in the moving process of the moving rod 12, the blocking rod 11 rotates to a certain position and then releases the push-up spring 10, the push-up spring 10 moves upwards to push the fuse wire to be separated from the switch 8, the automatic fuse wire pushing-out function is realized, the fuse wire changing efficiency of the fuse wire 9 is improved, and the production efficiency is further improved.

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. A fuse with an automatic ejection wire-breaking function for high-end equipment manufacturing comprises a shell (1), and is characterized in that: the left side and the right side of the bottom inside the shell (1) are both movably connected with a rotating shaft (2), the front end of the rotating shaft (2) is fixedly connected with a first connecting rod (3), the top of the first connecting rod (3) is movably connected with a second connecting rod (4), one end, far away from the first connecting rod (3), of the second connecting rod (4) is movably connected with a third connecting rod (5), the middle of the third connecting rod (5) is movably connected with a fourth connecting rod (6), the tops of the fourth connecting rod (6) and the middle of the second connecting rod (4) are both movably connected with a fifth connecting rod (7), the top of the fifth connecting rod (7) is fixedly connected with a switch blade (8), the middle of the switch blade (8) is movably connected with a fuse wire (9), the middle of the bottom inside the shell (1) is fixedly connected with a push-up spring (10), the top of the push-up spring (10) is movably, a rack (13) is movably connected to the top of the moving rod (12), a gear (14) is meshed and connected to one side, opposite to the rack (13), of the gear (14) on the inner side, a rotating rod (15) is fixedly connected to the top of the rotating rod (15), an upper cover (16) is movably connected to the top of the rotating rod (15), a bent rod (17) is movably connected to the inner side of the rotating rod (16) and the bottom of the front of the upper cover (16), a fixed rod (18) is movably connected to one end, far away from the upper cover (16), of the bent rod (17), double metal sheets (19) are fixedly connected to the left side and the right side of the interior of the shell (1), baffles (20) are movably connected to the left side and the right side of the interior of the shell (1) and above the double metal sheets (19), a tension spring (21) is fixedly connected to the bottom of the, one side of the push rod (23) opposite to the other side is movably connected with a press plate (24), and the front end of the rotating shaft (2) is fixedly connected with a grooved wheel (25).

2. A fuse having an automatic pop-up fuse function for high-end equipment manufacture as claimed in claim 1, wherein: the left side and the right side of the shell (1) are both provided with grooves matched with the racks (13).

3. A fuse having an automatic pop-up fuse function for high-end equipment manufacture as claimed in claim 1, wherein: the fifth connecting rod (7) is made of an insulating material.

4. A fuse having an automatic pop-up fuse function for high-end equipment manufacture as claimed in claim 1, wherein: the top of the knife switch (8) is provided with a groove matched with the fuse wire (9).

5. A fuse having an automatic pop-up fuse function for high-end equipment manufacture as claimed in claim 1, wherein: the lifting spring (10) is in a compressed state.

6. A fuse having an automatic pop-up fuse function for high-end equipment manufacture as claimed in claim 1, wherein: holes matched with the tension springs (21) are formed in the bimetallic strip (19) and the rack (13).

7. A fuse having an automatic pop-up fuse function for high-end equipment manufacture as claimed in claim 1, wherein: the tension spring (21) is in a stretched state.

8. A fuse having an automatic pop-up fuse function for high-end equipment manufacture as claimed in claim 1, wherein: the outer ring of the grooved wheel (25) is provided with a groove matched with the push rod (23).