A fuse convenient for maintenance

Abstract

The utility model discloses a fuse convenient to overhaul, including support bottom plate, fuse main part, support bottom plate, the rear end of support bottom plate is provided with the connecting auxiliary mechanism, the connecting auxiliary mechanism includes the fixed frame of fixed connection in the rear end of support bottom plate, the inboard sliding connection of fixed frame has guide rod, the lower extreme fixed connection of guide rod has the control block. The utility model discloses a fuse convenient to overhaul, by pulling the sliding ring and moving upward, and make the sliding ring extrude spring, and then make the sliding ring drive the limited hole and separate the restriction rod, then pull the guide rod again, make the guide rod drive the control block and rotate in the inboard of butt joint frame with rotation axis as the axle, reach the purpose of rotating the guide rod to separate in the fixed frame, and then make the fixed frame and butt joint frame form the activity relation between, and convenient to detach the fuse main part from the support bottom plate, and convenient to overhaul the fuse main part regularly.

Description

Technical Field

[0001] This utility model relates to the field of fuse technology, and in particular to a fuse that is easy to maintain. Background Technology

[0002] A fuse is the simplest protective electrical appliance. It is used to protect electrical equipment from damage caused by overload and short circuit current. A fuse is an electrical component that breaks the circuit by melting its fusible element with the heat generated by itself after the current exceeds a specified value for a period of time.

[0003] Traditional fuses have some drawbacks. When installing fuses in switch cabinets, they need to be fixed with bolts. When the fuse needs maintenance, tools must be used to turn the bolts to disconnect it before the fuse can be removed for maintenance. This installation method is cumbersome, time-consuming, and not convenient for quick disassembly and maintenance. Utility Model Content

[0004] The main purpose of this invention is to provide a fuse that is easy to maintain, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A fuse designed for easy maintenance includes a support base plate, a fuse body, and a supporting base plate. A connecting auxiliary mechanism is provided at the rear end of the support base plate. The connecting auxiliary mechanism includes a fixing frame fixedly connected to the rear end of the support base plate. A guide rod is slidably connected to the inner side of the fixing frame. An adjusting block is fixedly connected to the lower end of the guide rod. A docking frame is movably connected to the outer side of the adjusting block. A rotating shaft is fixedly connected inside the adjusting block. A sliding ring is slidably connected to the outer side of the guide rod near the upper side of the fixing frame. A spring is sleeved on the outer side of the guide rod near the upper side of the sliding ring. A limiting hole is fixedly connected to the front end of the sliding ring. A limiting rod is provided at the upper end of the fixing frame.

[0007] Preferably, a baffle plate is fixedly connected to the upper end of the guide rod, the rear end of the docking frame is fixedly connected to the front end of the support base plate, the rotating shaft extends into the interior of the docking frame, and the rotating shaft is movably connected to the docking frame.

[0008] Preferably, the sliding ring is circular in shape, the lower end of the spring is fixedly connected to the upper end of the sliding ring, and the upper end of the spring is fixedly connected to the lower end of the baffle plate near the outer side of the guide rod.

[0009] Preferably, the centerlines of the guide rod, sliding ring, and baffle plate are located on the same straight line, and the shape of the limiting hole is L-shaped.

[0010] Preferably, the outer side of the limiting hole is slidably connected to the inner side of the limiting rod, and there are two sets of both the limiting hole and the limiting rod, and four sets of the connecting auxiliary mechanism.

[0011] Preferably, the fuse body is installed at the front end of the support base plate, the support base plate is located at the rear end of the support base plate, and the support base plate has four sets of mounting holes inside, all of which are located at the four corners of the support base plate.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] By pulling the sliding ring upward and squeezing the spring, the sliding ring causes the limiting hole to disengage from the limiting rod. Then, by pulling the guide rod, the control block rotates around the rotation axis inside the docking frame. This facilitates rotating the guide rod out of the fixed frame, thereby creating a movable relationship between the fixed frame and the docking frame. It also facilitates the removal of the fuse body from the support base plate and the regular maintenance of the fuse body. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a fuse that is easy to inspect and repair according to the present invention.

[0015] Figure 2 This is a schematic diagram of the connection auxiliary mechanism for a fuse that is easy to maintain, according to the present invention.

[0016] Figure 3 This is a partial structural diagram of a connection auxiliary mechanism for a fuse that is easy to maintain, according to the present invention.

[0017] Figure 4 This is a partially exploded structural diagram of the connection auxiliary mechanism for a fuse that is easy to inspect and repair, according to the present invention.

[0018] In the diagram: 1. Support base plate; 2. Fuse body; 3. Support base plate; 4. Mounting hole; 5. Connecting auxiliary mechanism; 51. Fixing frame; 52. Guide rod; 53. Adjusting block; 54. Connecting frame; 55. Rotating shaft; 56. Sliding ring; 57. Spring; 58. Limiting hole; 59. Limiting rod; 510. Cover plate. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] like Figure 1-4As shown, a fuse that is easy to maintain includes a support base plate 1, a fuse body 2, and a support base plate 3. A connecting auxiliary mechanism 5 is provided at the rear end of the support base plate 1. The connecting auxiliary mechanism 5 includes a fixing frame 51 fixedly connected to the rear end of the support base plate 1. A guide rod 52 is slidably connected to the inner side of the fixing frame 51. An adjusting block 53 is fixedly connected to the lower end of the guide rod 52. A docking frame 54 is movably connected to the outer side of the adjusting block 53. A rotating shaft 55 is fixedly connected to the inside of the adjusting block 53. A sliding ring 56 is slidably connected to the outer side of the guide rod 52 near the upper side of the fixing frame 51. A spring 57 is sleeved on the outer side of the guide rod 52 near the upper side of the sliding ring 56. A limiting hole 58 is fixedly connected to the front end of the sliding ring 56. A limiting rod 59 is provided at the upper end of the fixing frame 51.

[0021] In this embodiment, a baffle plate 510 is fixedly connected to the upper end of the guide rod 52, the rear end of the docking frame 54 is fixedly connected to the front end of the support base plate 3, the rotating shaft 55 extends into the interior of the docking frame 54, and the rotating shaft 55 is movably connected to the docking frame 54. The sliding ring 56 is circular in shape, the lower end of the spring 57 is fixedly connected to the upper end of the sliding ring 56, and the upper end of the spring 57 is fixedly connected to the lower end of the baffle plate 510 near the outer side of the guide rod 52. The axis lines of the guide rod 52, the sliding ring 56, and the baffle plate 510 are located on the same straight line. The limiting hole 58 is L-shaped, and the outer side of the limiting hole 58 is slidably connected to the inner side of the limiting rod 59. There are two sets of limiting holes 58 and two sets of limiting rods 59, and four sets of connecting auxiliary mechanisms 5.

[0022] Specifically, when periodic maintenance of the fuse body 2 is required, first pull the sliding ring 56 upward along the guide rod 52, causing the sliding ring 56 to compress the spring 57. Simultaneously, the sliding ring 56 moves the limiting hole 58, disengaging it from the limiting rod 59. Then, pull the guide rod 52, causing it to rotate the adjusting block 53 within the docking frame 54 around the rotating shaft 55. This rotates the guide rod 52 away from the fixed frame 51, allowing the fuse body 2 to be removed from the support base plate 3 for periodic maintenance. By pulling the sliding ring 56 upward and squeezing the spring 57, the sliding ring 56 causes the limiting hole 58 to disengage from the limiting rod 59. Then, by pulling the guide rod 52, the guide rod 52 causes the adjusting block 53 to rotate around the rotating shaft 55 inside the docking frame 54. This facilitates rotating the guide rod 52 out of the fixed frame 51, thereby creating a movable relationship between the fixed frame 51 and the docking frame 54. It also facilitates the removal of the fuse body 2 from the support base plate 3 and the periodic maintenance of the fuse body 2.

[0023] In this embodiment, the fuse body 2 is installed at the front end of the support base plate 1, and the support base plate 3 is located at the rear end of the support base plate 1. The support base plate 3 has four sets of mounting holes 4 inside, and all four sets of mounting holes 4 are located at the four corners of the support base plate 3.

[0024] Specifically, the support base plate 3 is attached to the designated position in the switch cabinet, and then the screws are inserted into the mounting holes 4 and screwed into the switch cabinet to fix the support base plate 3 inside the switch cabinet, thereby installing the fuse body 2 in the designated position inside the switch cabinet.

[0025] Working principle:

[0026] In use, first attach the support base plate 3 to the designated position in the switch cabinet, then insert the screws into the mounting holes 4 and screw them into the switch cabinet to fix the support base plate 3 inside the switch cabinet, thereby installing the fuse body 2 in the designated position inside the switch cabinet. If periodic maintenance of the fuse body 2 is required, first pull the sliding ring 56 to slide upward along the guide rod 52, causing the sliding ring 56 to compress the spring 57. At the same time, the sliding ring 56 drives the limiting hole 58 to move, causing the limiting hole 58 to disengage from the limiting rod 59. Then pull the guide rod 52, causing the guide rod 52 to drive the adjusting block 53 to rotate around the rotating shaft 55 within the docking frame 54, thus rotating the guide rod 52 away from the fixing frame. 51. At this point, the fuse body 2 can be removed from the support base plate 3, allowing for regular maintenance of the fuse body 2. By pulling the sliding ring 56 upward and squeezing the spring 57, the sliding ring 56 causes the limiting hole 58 to disengage from the limiting rod 59. Then, by pulling the guide rod 52, the guide rod 52 causes the adjusting block 53 to rotate around the rotating shaft 55 inside the docking frame 54. This facilitates rotating the guide rod 52 out of the fixed frame 51, thereby creating a movable relationship between the fixed frame 51 and the docking frame 54. This also facilitates the removal of the fuse body 2 from the support base plate 3 and allows for regular maintenance of the fuse body 2.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A fuse that is easy to maintain, comprising a support base plate (1), a fuse body (2), and a support base plate (3), characterized in that: The support base plate (1) is provided with a connecting auxiliary mechanism (5) at its rear end. The connecting auxiliary mechanism (5) includes a fixed frame (51) fixedly connected to the rear end of the support base plate (1). A guide rod (52) is slidably connected to the inner side of the fixed frame (51). An adjustment block (53) is fixedly connected to the lower end of the guide rod (52). A docking frame (54) is movably connected to the outer side of the adjustment block (53). A rotating shaft (55) is fixedly connected to the inside of the adjustment block (53). A sliding ring (56) is slidably connected to the outer side of the guide rod (52) near the upper side of the fixed frame (51). A spring (57) is sleeved on the outer side of the guide rod (52) near the upper side of the sliding ring (56). A limiting hole (58) is fixedly connected to the front end of the sliding ring (56). A limiting rod (59) is provided at the upper end of the fixed frame (51).

2. The easily maintainable fuse according to claim 1, characterized in that: The upper end of the guide rod (52) is fixedly connected to a baffle plate (510), the rear end of the docking frame (54) is fixedly connected to the front end of the support base plate (3), the rotating shaft (55) extends into the interior of the docking frame (54), and the rotating shaft (55) is movably connected to the docking frame (54).

3. The easily maintainable fuse according to claim 2, characterized in that: The sliding ring (56) is circular in shape. The lower end of the spring (57) is fixedly connected to the upper end of the sliding ring (56). The upper end of the spring (57) is fixedly connected to the lower end of the baffle plate (510) near the outer side of the guide rod (52).

4. The easily maintainable fuse according to claim 2, characterized in that: The centerlines of the guide rod (52), sliding ring (56), and baffle plate (510) are on the same straight line, and the shape of the limiting hole (58) is L-shaped.

5. A fuse for easy maintenance according to claim 2, characterized in that: The outer side of the limiting hole (58) is slidably connected to the inner side of the limiting rod (59). There are two sets of both the limiting hole (58) and the limiting rod (59), and four sets of the connecting auxiliary mechanism (5).

6. A fuse for easy maintenance according to claim 1, characterized in that: The fuse body (2) is installed at the front end of the support base plate (1), and the support base plate (3) is located at the rear end of the support base plate (1). The support base plate (3) has mounting holes (4) inside. There are four sets of mounting holes (4), and all four sets of mounting holes (4) are located at the four corners of the support base plate (3).

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