Fuse with good protection performance

Abstract

The utility model provides a fuse with good protection performance, comprising a fuse body, one end of the outer side wall of the fuse body is provided with a fixing frame, the outer side wall of the fixing frame is provided with a protection box, the protection box needs to be made of fireproof plastic materials, the vertical surface of one side of the protection box far away from the fixing frame is provided with an observation groove, the upper part of the observation groove is provided with a fixing groove, and the fixing groove is provided with an opening. A fixing groove is formed in the fixing frame, a rotating assembly is arranged in the fixing groove, an opening and closing plate is arranged on the lower portion of the rotating assembly, and an anti-collision assembly is arranged on the vertical face of the side, away from the protection box, of the opening and closing plate. And damage to surrounding personnel or surrounding equipment caused by fusing of the fuse wire can be avoided, and the protection box is made of a fireproof plastic material, so that the situation that the protection box is on fire due to fusing of the fuse wire can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of fuse protection, in particular to a fuse with good protection. Background Art

[0002] A fuse is a component used for circuit protection. It is designed to automatically cut off the circuit when the current abnormally rises to a predetermined threshold, thereby preventing excessive current from causing overheating of wires, fire, or damage to electrical equipment.

[0003] After the fuse of the fuse is blown, if the fuse fragments are not controlled, they may splash out and cause harm to personnel or damage to surrounding equipment. Therefore, the utility model provides a fuse with good protection, so as to avoid the fuse from blowing and causing damage to surrounding personnel or surrounding equipment. Utility Model Content

[0004] In view of this, the utility model provides a fuse with good protection, which can protect the fuse body by setting a fixed frame, a protective box and an opening and closing plate, and can prevent the fuse from blowing and causing damage to surrounding personnel or peripheral equipment. The protective box is set to a fire-proof plastic material to prevent the fuse from blowing and causing the protective box to catch fire.

[0005] In order to solve the above technical problems, the utility model provides a fuse with good protection, including a fuse body, a fixing frame is arranged at one end of the outer wall of the fuse body, the fixing frame is fixedly connected to the outer wall of the fuse body by sol connection, a protective box is arranged on the outer wall of the fixing frame, the protective box is connected to the outer wall of the fixing frame by bolts, the protective box shall be made of fireproof plastic material, for example: halogen-containing flame retardant plastic, red phosphorus flame retardant plastic, halogen-free flame retardant plastic, etc., an observation groove is opened on the vertical surface of the protective box away from the fixed frame, the observation groove and the protective box can be integrally formed by mold casting during production, a fixing groove is opened on the upper part of the observation groove, a rotating assembly is arranged in the fixing groove, an opening and closing plate is arranged at the lower part of the rotating assembly, and an anti-collision assembly is arranged on the vertical surface of the opening and closing plate away from the protective box.

[0006] The rotating assembly includes a rotating rod rotatably connected in a fixed groove, the rotating rod is rotatably connected in the fixed groove by bearings sleeved at both ends, a connecting plate is provided on the outer wall of the rotating rod, the connecting plate is fixedly connected to the outer wall of the rotating rod by a sol connection, an opening and closing plate is provided at the lower part of the connecting plate, the opening and closing plate is fixedly connected to the lower part of the connecting plate by a sol connection, a limiting plate is provided at the lower part of the vertical surface of the opening and closing plate away from the protective box, the limiting plate is fixedly connected to the lower part of the vertical surface of one side of the opening and closing plate by a sol connection, and a bolt hole is opened on the limiting plate, and the bolt hole can be opened by a tapping machine.

[0007] The anti-collision component includes a plurality of first connecting plates arranged on a vertical surface of one side of the opening and closing plate, the plurality of first connecting plates are fixedly connected to one side of the opening and closing plate by a sol connection method, a spring is connected to one side of each first connecting plate, one end of the spring is fixedly connected to the first connecting plate by a sol connection method, a second connecting plate is arranged at one end of the spring, and the other end of the spring is fixedly connected to the second connecting plate by a sol connection method, an anti-collision plate is arranged on one side of the plurality of second connecting plates, the anti-collision plate is fixedly connected to one side of the plurality of second connecting plates by a sol connection method, a protective pad is wrapped on a vertical surface of one side of the anti-collision plate, and the protective pad is fixedly connected to the vertical surface of one side of the anti-collision plate by a sol connection method, square perforations are opened on the vertical surfaces of both sides of the protective box, the square perforations can be integrally formed with the protective box by mold casting during production, a cooling fan is arranged in each square perforation, the cooling fan is connected to the inner wall of the square perforation by bolts, and the power cord of the cooling fan is connected in series with the power cord of the fuse body.

[0008] The beneficial effects of the above technical solution of the utility model are as follows:

[0009] 1. The fuse body can be protected by setting a fixed frame, a protective box and an opening and closing plate, and the fuse can be prevented from blowing and causing damage to surrounding personnel or peripheral equipment. The protective box is set to a fireproof plastic material to prevent the fuse from blowing and causing the protective box to catch fire.

[0010] 2. The rotating assembly is provided so that the opening and closing plate can be opened and closed, thereby facilitating the inspection and maintenance of the fuse body.

[0011] 3. The anti-collision component can prevent external forces from causing damage to the fuse body, thereby enhancing the protection of the fuse body. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the overall structure of the other side of the utility model;

[0014] Figure 3 It is a schematic diagram of the overall structure of the back side of the utility model;

[0015] Figure 4 This is a schematic structural diagram of the opening and closing plate of the utility model and its components.

[0016] In the figure: 101, fuse body; 102, fixing frame; 103, protection box; 104, observation slot; 105, opening and closing plate;

[0017] 201, rotating rod; 202, connecting plate; 203, limiting plate;

[0018] 301, first connecting disk; 302, spring; 303, second connecting disk;

[0019] 401. Anti-collision plate; 402. Protective pad; 403. Cooling fan. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0021] like Figure 1 , 2 As shown: A fuse with good protection includes a fuse body 101, a fixing frame 102 is arranged at one end of the outer wall of the fuse body 101, and the fixing frame 102 is arranged so that a protection box 103 and various components thereon can be supported, and the fixing frame 102 is fixedly connected to the outer wall of the fuse body 101 by a sol connection method, so that its connection structure is more stable and prevents it from falling off during the protection process, and a protection box 103 is arranged on the outer wall of the fixing frame 102, and the protection box 103 is arranged so that the fuse fragments after the fuse is melted can be prevented from causing damage to the surrounding personnel or facilities, and the protection box 103 is fixed by screws The bolt is connected to the outer wall of the fixed frame 102, so that it is convenient to replace the fuse or disassemble and assemble when the fuse needs to be maintained. The protective box 103 needs to be made of fire-proof plastic material, such as halogen-containing flame retardant plastic, red phosphorus flame retardant plastic, halogen-free flame retardant plastic, etc., so as to avoid igniting the protective box 103 when the fuse fragments fly. The protective box 103 is provided with an observation groove 104 on the vertical surface of the side away from the fixed frame 102. The observation groove 104 is provided so that the rotating assembly can be connected to the opening and closing plate 105. The observation groove 104 can be integrally formed with the protective box 103 through mold casting during production, so that its connection structure is more stable.

[0022] like Figure 1 , 2As shown in 3: a fixed groove is provided on the upper part of the observation groove 104, and the fixed groove is provided so that the rotating component can be supported therein, a rotating component is provided in the fixed groove, and the rotating component is provided so that the opening and closing plate 105 can be opened and closed, and an opening and closing plate 105 is provided at the lower part of the rotating component, and the opening and closing plate 105 is provided to protect the fuse body 101 when it is not necessary to inspect it, and it can be opened when it is necessary to inspect it, and the opening and closing plate 105 is provided with an anti-collision component on the vertical surface of the side away from the protection box 103, and the anti-collision component is provided to prevent damage to the fuse body 101 due to collision.

[0023] like Figure 1 , 4 As shown: the rotating assembly includes a rotating rod 201 rotatably connected in the fixed groove, the rotating rod 201 is provided so as to support the connecting plate 202, the rotating rod 201 is rotatably connected in the fixed groove by bearings at both ends, so that the rotating rod 201 will not get stuck when rotating, and a connecting plate 202 is provided on the outer wall of the rotating rod 201, and the connecting plate 202 is provided so as to support the opening and closing plate 105, and can drive the opening and closing plate 105 to open and close, and the connecting plate 202 is fixedly connected to the outer wall of the rotating rod 201 by sol connection, so that its connection structure is more stable, and the opening and closing plate 105 is provided at the lower part of the connecting plate 202. The closing plate 105 is fixedly connected to the lower part of the connecting plate 202 by means of a sol connection, thereby making its connection structure more stable; a limiting plate 203 is arranged at the lower part of the vertical surface of the opening and closing plate 105 away from the protective box 103; the limiting plate 203 is arranged so as to limit the opening and closing plate 105; the limiting plate 203 is fixedly connected to the lower part of the vertical surface of the opening and closing plate 105 by means of a sol connection, thereby making its connection structure more stable; a bolt hole is opened on the limiting plate 203; the bolt hole is arranged so that the opening and closing plate 105 can be fixed to the protective box 103 by means of a bolt through the bolt hole when not in use; the bolt hole can be opened by a tapping machine, thereby making its production more convenient.

[0024] like Figure 1 , 4As shown: the anti-collision component includes a plurality of first connecting plates 301 arranged on a vertical surface on one side of the opening and closing plate 105. The first connecting plates 301 are arranged so as to support the spring 302. The plurality of first connecting plates 301 are fixedly connected to one side of the opening and closing plate 105 by means of a sol connection, so that the connection structure thereof is more stable. A spring 302 is connected to one side of each first connecting plate 301. The spring 302 is arranged so as to offset a part of the impact force when a collision occurs, thereby preventing the fuse body 101 from being damaged due to the collision. One end of the spring 302 is fixedly connected to the first connecting plate 301 by means of a sol connection, so that the connection structure thereof is more stable. A second connecting plate 303 is arranged at one end of the spring 302. The second connecting plate 303 can limit the other end of the spring 302 and support the anti-collision plate 401. The other end of the spring 302 is fixedly connected to the second connecting plate 303 by means of a sol connection, so that the connection structure thereof is more stable.

[0025] like Figure 1 As shown: an anti-collision plate 401 is arranged on one side of the multiple second connection plates 303. The anti-collision plate 401 is arranged to increase the force-bearing area, and then the force received can be reduced when it is collided, and the force is prevented from being concentrated at one point, so that the fuse body 101 can be further protected, and the anti-collision plate 401 is fixedly connected to one side of the multiple second connection plates 303 by sol connection, so that the connection structure thereof is more stable, and a protective pad 402 is wrapped on the vertical surface of one side of the anti-collision plate 401. The protective pad 402 is arranged to further offset a part of the impact force, so that the fuse body 101 can be better protected, and the protective pad 402 is fixedly connected to the vertical surface of one side of the anti-collision plate 401 by sol connection, so that the connection structure thereof is more stable, and square shaped perforations, square perforations are provided so that the cooling fan 403 can be supported, the square perforations can be integrally formed with the protection box 103 by mold casting during production, thereby facilitating its production, a cooling fan 403 is provided in each square perforation, and the cooling fan 403 is provided so that the fuse body 101 can be cooled during use to prevent the protection box 103 from protecting it and causing overheating and short circuit, the cooling fan 403 is connected to the inner wall of the square perforation by bolts, thereby making it easy to disassemble and assemble the cooling fan 403 during maintenance or replacement, the power cord of the cooling fan 403 is connected in series with the power cord of the fuse body 101, thereby making it possible to stop the cooling fan 403 from rotating when the fuse of the fuse body 101 is broken, thereby preventing the cooling fan 403 from being damaged

[0026] The use of the utility model:

[0027] When the fuse body needs to be protected, the protective box and its components are processed and installed on the fixed frame, and then the bolts are installed on the protective box through the bolt holes to provide protection. When the fuse body needs to be inspected, the bolts can be removed to inspect it.

[0028] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0029] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A fuse with good protection, characterized in that: The invention comprises a fuse body (101), wherein a fixing frame (102) is arranged at one end of the outer wall of the fuse body (101), a protection box (103) is arranged on the outer wall of the fixing frame (102), the protection box (103) needs to be made of fireproof plastic material, an observation groove (104) is provided on a vertical surface of the protection box (103) away from the fixing frame (102), a fixing groove is provided on the upper part of the observation groove (104), a rotating component is arranged in the fixing groove, an opening and closing plate (105) is arranged at the lower part of the rotating component, and an anti-collision component is arranged on the vertical surface of the opening and closing plate (105) away from the protection box (103).

2. The protective fuse according to claim 1, characterized in that: The rotating assembly comprises a rotating rod (201) rotatably connected in a fixing groove, a connecting plate (202) is arranged on the outer side wall of the rotating rod (201), and the opening and closing plate (105) is arranged at the lower part of the connecting plate (202).

3. The protective fuse according to claim 1, characterized in that: A limit plate (203) is provided at the lower part of the vertical surface of the opening and closing plate (105) away from the protection box (103), and a bolt hole is provided on the limit plate (203).

4. The protective fuse according to claim 1, characterized in that: The anti-collision component comprises a plurality of first connection plates (301) arranged on a vertical surface on one side of an opening and closing plate (105), one side of each of the first connection plates (301) is connected to a spring (302), one end of the spring (302) is provided with a second connection plate (303), and one side of the plurality of second connection plates (303) is provided with an anti-collision plate (401).

5. The protective fuse according to claim 4, characterized in that: A protective pad (402) is wrapped on a vertical surface of one side of the anti-collision plate (401).

6. The protective fuse according to claim 1, characterized in that: The vertical surfaces on both sides of the protection box (103) are provided with square holes, and a heat dissipation fan (403) is arranged in each of the square holes.

7. The protective fuse according to claim 6, characterized in that: The power line of the heat dissipation fan (403) is connected in series with the power line of the fuse body (101).

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