CN216120170U

CN216120170U - Fuse convenient to maintain

Info

Publication number: CN216120170U
Application number: CN202122578595.7U
Authority: CN
Inventors: 许泽
Original assignee: Shijiazhuang Xuyang Electric Technology Co ltd
Current assignee: Shijiazhuang Xuyang Electric Technology Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-03-22
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a fuse convenient for maintenance, which comprises a mounting shell, wherein heat dissipation ports are arranged on two sides of the mounting shell, an indicator lamp is arranged on the front surface of the mounting shell, a base is arranged in the mounting shell, a motor is arranged in the base, a dust absorption fan is connected to the top of the motor, an electrode melt carrier is connected to the upper surface of the base, a poking block is connected to one side of the electrode melt carrier, a convex block is arranged on one side of the electrode melt carrier, a movable plate is connected to the inner wall of the convex block, a guide rod is connected to one side of the movable plate, an elastic spring is arranged on the outer wall of the guide rod, a fuse tube is arranged in a gap between the electrode melt carrier and the movable plate, a fuse body is arranged in the fuse tube, and connecting pieces are connected to two ends of the fuse body. Thereby ensuring that the fuse can work normally.

Description

Fuse convenient to maintain

Technical Field

The utility model relates to the field of fuses, in particular to a fuse convenient to maintain.

Background

The fuse is an electric appliance which fuses a melt by the heat generated by the fuse when the current exceeds a specified value and breaks a circuit, the fuse melts the melt by the heat generated by the fuse after the current exceeds the specified value for a period of time so as to break the circuit, the current protector manufactured by applying the principle is widely applied to high-low voltage distribution systems, control systems and electric equipment, is one of the most commonly applied protective devices, utilizes a metal conductor as the melt to be connected in series in the circuit, and fuses due to self heating when the overload or short-circuit current passes through the melt, thereby breaking the circuit, the fuse has a simple structure, is convenient to use, is widely applied to electric power systems, various electrical equipment and household appliances as the protective device, but has certain defects in the use process, it is therefore desirable to provide a fuse that is more sophisticated and easy to maintain.

There are the following problems:

traditional fuse has certain limitation to the fuse-link of its installation, and is inconvenient to fix it, and at the in-process that uses, can not clear up the maintenance to its inside dust, influences the normal use of its fuse to influence normal power consumption.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a fuse convenient to maintain.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a fuse convenient to maintain, includes the installation shell, the both sides of installation shell are provided with the thermovent, the front of installation shell is provided with the pilot lamp, the inside of installation shell is provided with the base, the inside of base is provided with the motor, the top of motor is connected with the dust absorption fan, the upper surface of base is connected with the electrode and carries the fuse-element, one side that the fuse-element is carried to the electrode is connected with the stirring piece, one side that the fuse-element is carried to the electrode is provided with the lug, the inner wall connection of lug has the fly leaf, one side of fly leaf is connected with the guide arm, the outer wall of guide arm is provided with the elastic spring, gap department between fuse-element and the fly leaf is carried to the electrode is provided with the fuse-link, the inside of fuse-link is provided with the fuse-link, the both ends of fuse-link are connected with the connection piece, the outer wall connection of fuse-link has the protective sheath.

As a further description of the above technical solution:

the fixed thermovents that are provided with in both sides of installation shell, the quantity of thermovent is a plurality of groups, the fixed pilot lamp that is provided with in front of installation shell.

As a further description of the above technical solution:

the inside and the base swing joint of installation shell, the inside and the motor threaded connection of base, the top and the dust absorption fan of motor rotate to be connected, the surface of dust absorption fan is provided with the adsorption plane.

As a further description of the above technical solution:

the upper surface of the base is fixedly connected with the electrode-carried melt, and one side of the electrode-carried melt is fixedly connected with the shifting block.

As a further description of the above technical solution:

one side of the electrode melt carrying body is fixedly connected with the lug, the inner wall of the lug is movably connected with the movable plate, the movable plate is in a circular plate shape, one side of the movable plate is in threaded connection with the guide rod, and the guide rod is in a T-shaped structure and penetrates through the inner side of the lug.

As a further description of the above technical solution:

the outer wall of the guide rod is sleeved with an elastic spring, and a gap between the electrode melt-carrying body and the movable plate is movably connected with the fuse tube.

As a further description of the above technical solution:

the fuse-link is fixedly arranged in the fuse-link, the fuse-link adopts the quartz sand that the red copper wire made the arc extinguishing medium, the both ends of fuse-link and connection piece welding, the outer wall and the protective sheath of fuse-link cup joint.

The utility model has the following beneficial effects:

through the combined action with the installation shell linkage structure, through the inside base that increases the setting of installation shell, it carries mutually supporting of fuse-element and fly leaf through the electrode of base top, can guarantee that the fuse-element that its fly leaf contacted is also fixable, make its electrode carry and can place different volume size fuse-elements between the fuse-element in the certain limit, and can install fixedly to the fuse-element, and utilize the inside dust absorption fan that sets up of its base, the dust absorption fan is at its moving in-process, can adsorb its inside dust, thereby can carry out preliminary clean maintenance to the fuse structure of its installation shell inside, in order to guarantee that its fuse can carry out normal work, play certain maintenance effect, make the use of its fuse more perfect.

Drawings

Fig. 1 is an external view of a fuse convenient for maintenance according to the present invention;

FIG. 2 is a schematic view of a base structure of a fuse convenient for maintenance according to the present invention;

fig. 3 is a schematic diagram of a fuse link structure of a fuse convenient to maintain according to the present invention.

Illustration of the drawings:

1. mounting a shell; 2. a heat dissipation port; 3. an indicator light; 4. a base; 5. a motor; 6. a dust collection fan; 7. carrying the melt on an electrode; 8. a shifting block; 9. a bump; 10. a movable plate; 11. a guide bar; 12. an elastic spring; 13. fusing the tube; 14. a fuse link; 15. connecting sheets; 16. and (6) a protective sleeve.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a fuse convenient for maintenance comprises a mounting shell 1, wherein heat dissipation ports 2 are arranged on two sides of the mounting shell 1, an indicator light 3 is arranged on the front surface of the mounting shell 1, a base 4 is arranged inside the mounting shell 1, a motor 5 is arranged inside the base 4, a dust absorption fan 6 is connected to the top of the motor 5, an electrode melt carrying body 7 is connected to the upper surface of the base 4, a poking block 8 is connected to one side of the electrode melt carrying body 7, a convex block 9 is arranged on one side of the electrode melt carrying body 7, a movable plate 10 is connected to the inner wall of the convex block 9, a guide rod 11 is connected to one side of the movable plate 10, the structure of the electrode is more complete, the outer wall of the guide rod 11 is provided with the elastic spring 12, a fusing tube 13 is arranged at a gap between the electrode melt-carrying body 7 and the movable plate 10, a fusing body 14 is arranged inside the fusing tube 13, two ends of the fusing body 14 are connected with connecting pieces 15, and the outer wall of the fusing body 14 is connected with a protective sleeve 16.

The two sides of the mounting shell 1 are fixedly provided with heat dissipation ports 2, the number of the heat dissipation ports 2 is a plurality of groups, the front of the mounting shell 1 is fixedly provided with an indicator lamp 3, the inside of the mounting shell 1 is movably connected with a base 4, the inside of the base 4 is in threaded connection with a motor 5, the top of the motor 5 is rotatably connected with a dust absorption fan 6, the surface of the dust absorption fan 6 is provided with an adsorption surface which can carry out preliminary adsorption cleaning on dust in the mounting shell 1, the upper surface of the base 4 is fixedly connected with an electrode melt carrying body 7, one side of the electrode melt carrying body 7 is fixedly connected with a poking block 8, the stability of the structure of the poking block 8 is increased, one side of the electrode melt carrying body 7 is fixedly connected with a convex block 9, the inner wall of the convex block 9 is movably connected with a movable plate 10, the movable plate 10 is a circular plate, one side of the movable plate 10 is in threaded connection with a guide rod 11, the guide rod 11 is in a T-shaped structure and penetrates through the inner side of the convex block 9, the outer wall of the guide rod 11 is sleeved with an elastic spring 12, a gap between the electrode melt-carrying body 7 and the movable plate 10 is movably connected with a fuse tube 13, a fuse link 14 is fixedly arranged inside the fuse tube 13, the fuse link 14 is made of quartz sand of arc extinguishing medium by adopting a red copper wire, two ends of the fuse link 14 are welded with a connecting sheet 15, and the outer wall of the fuse link 14 is sleeved with a protective sleeve 16.

The working principle is as follows: when the fuse convenient to maintain is used, a worker can clamp the fusing tube 13 at a gap between the electrode carrier 7 and the movable plate 10 and downwards stir the stirring block 8 at one side of the electrode carrier 7 to enable the protruding surface of the lug 9 to be far away from the top of the mounting shell 1, so that a gap exists between the electrode carrier 7 and the movable plate, at the moment, the worker can adjust the vacancy between the movable plate 10 and the electrode carrier 7 according to the size of the fusing tube 13, when the vacancy is too large, the worker can push the guide rod 11 to enable the guide rod 11 to be in contact with the placed fusing tube 13, after the adjustment is proper, the guide rod 11 penetrating through the inner side of the lug 9 can be rotated through threads to enable the guide rod 11 to be fixed with the lug 9, and meanwhile, the fusing tube 13 contacted with the movable plate 10 can be fixed, so that the fusing tubes 13 with different volume sizes can be placed between the electrode carriers 7 within a certain range, the fuse tube 13 can be installed and fixed, the indicator light 3 on the front surface of the installation shell 1 can flash red light after the fuse tube is placed, when an overload or short-circuit fault occurs to a circuit in the use process, the current of the fuse body 14 is increased, the overload current or short-circuit current heats the fuse body 14, the fuse body 14 is melted before the temperature of a protected device does not reach the temperature of the protected device to damage the insulation due to the fact that the temperature of the fuse body exceeds the melting point, the circuit is cut off, therefore, the electric device in the circuit is protected, the fuse body 14 arranged in the fuse tube 13 is of a solid structure, the melt temperature can be kept as the melting point all the time as the melt absorbs a part of heat, the fuse body 14 is made of red copper wires and made of quartz sand of arc extinguishing medium, the temperature of the quartz sand rises to the melting point of a melt alloy material, but the fuse body 14 can be still in a solid state, and after the fuse body is used for a certain time, certain dust easily exists in the inside of its installation shell 1, at this moment, staff's accessible is connected external power supply starter motor 5, its motor 5 can drive dust absorption fan 6 and operate, dust absorption fan 6 is at its moving in-process, can adsorb its inside dust, thereby can carry out preliminary clearance to its inside fuse structure and maintain, avoid the laying dust of the upper surface of its base 4 to cause the influence to fuse-tube 13, play certain maintenance effect, make the use of its fuse more perfect.

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 utility model.

Claims

1. A fuse convenient for maintenance, comprising a mounting case (1), characterized in that: the heat dissipation device is characterized in that heat dissipation ports (2) are arranged on two sides of the installation shell (1), an indicator lamp (3) is arranged on the front face of the installation shell (1), a base (4) is arranged inside the installation shell (1), a motor (5) is arranged inside the base (4), a dust absorption fan (6) is connected to the top of the motor (5), an electrode melt carrying body (7) is connected to the upper surface of the base (4), a poking block (8) is connected to one side of the electrode melt carrying body (7), a convex block (9) is arranged on one side of the electrode melt carrying body (7), a movable plate (10) is connected to the inner wall of the convex block (9), a guide rod (11) is connected to one side of the movable plate (10), an elastic spring (12) is arranged on the outer wall of the guide rod (11), and a fusing pipe (13) is arranged at a gap between the electrode melt carrying body (7) and the movable plate (10), the fuse-link is characterized in that a fuse-link body (14) is arranged inside the fuse-link pipe (13), two ends of the fuse-link body (14) are connected with connecting pieces (15), and the outer wall of the fuse-link body (14) is connected with a protective sleeve (16).

2. A fuse for facilitating maintenance according to claim 1, wherein: the fixed thermovent (2) that are provided with in both sides of installation shell (1), the quantity of thermovent (2) is a plurality of groups, the fixed pilot lamp (3) that are provided with in front of installation shell (1).

3. A fuse for facilitating maintenance according to claim 1, wherein: the inside and base (4) swing joint of installation shell (1), the inside and motor (5) threaded connection of base (4), the top and the dust absorption fan (6) of motor (5) rotate to be connected, the surface of dust absorption fan (6) is provided with the adsorption surface.

4. A fuse for facilitating maintenance according to claim 1, wherein: the upper surface of the base (4) is fixedly connected with the electrode-carried melt (7), and one side of the electrode-carried melt (7) is fixedly connected with the shifting block (8).

5. A fuse for facilitating maintenance according to claim 1, wherein: one side of the electrode melt carrying body (7) is fixedly connected with the bump (9), the inner wall of the bump (9) is movably connected with the movable plate (10), the movable plate (10) is a circular plate, one side of the movable plate (10) is in threaded connection with the guide rod (11), and the guide rod (11) is in a T-shaped structure and penetrates through the inner side of the bump (9).

6. A fuse for facilitating maintenance according to claim 1, wherein: the outer wall of the guide rod (11) is sleeved with an elastic spring (12), and a gap between the electrode melt carrying body (7) and the movable plate (10) is movably connected with a fuse tube (13).

7. A fuse for facilitating maintenance according to claim 1, wherein: the fuse-link (14) is fixedly arranged in the fuse-link (13), the fuse-link (14) adopts red copper wire to make the quartz sand of arc extinguishing medium, the both ends of fuse-link (14) are welded with connection piece (15), the outer wall of fuse-link (14) is cup jointed with protective sheath (16).