Drop-out fuse

Abstract

The utility model discloses a drop-out fuse, which comprises a fuse main body, and a fuse tube is arranged on the fuse main body. The stable limiting mechanism comprises a first fastening seat and a second fastening seat, the first fastening seat and the second fastening seat are installed on the outer side of the fuse tube, a limiting block is arranged on the side surface of the first fastening seat, and a limiting groove allowing the limiting block to be inserted therein is formed in the side surface of the second fastening seat; the inner side face of the limiting groove is provided with a first check block and a second check block which can abut against the limiting block. The beneficial effects of the utility model are that through the designed stable limiting mechanism, through the cooperation of the limiting block and the limiting groove, the limitation during the splicing of the first fastening seat and the second fastening seat is increased; and through cooperation of the first check block and the second check block, the reinforcing performance of inserting the limiting block into the limiting groove is further improved, rapid splicing of the first fastening base and the second fastening base can be achieved, and the installation efficiency of the tripping device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fuses, and in particular relates to a drop-out type fuse. Background Art

[0002] Electricity is the basis of modern life, but power lines may face problems such as overload, short circuit and failure; power safety is an important factor in ensuring the safety of people's lives and property; fuses, as a common electrical protection device, have the function of quickly cutting off the circuit, which can effectively prevent power equipment from being damaged and provide a certain degree of electrical safety protection.

[0003] A drop-out fuse with publication number CN214542108U is disclosed, which includes a tray, a turntable is installed on the top of the tray, a support column is installed on the top of the turntable, a fixed disk is installed on the top of the support column, a top seat is installed on the top of the fixed disk, the tray is symmetrically installed with two groups of support ends about the horizontal neutral line of the support column, a first buckle is installed on the outer wall of the support end, a first pad is installed on the top of the first buckle, a second buckle is installed on the top of the support end, and a second pad is installed on the bottom of the second buckle; a fuse tube is installed on the top of the fuse body, and a tripper is installed on the outer wall of the fuse tube.

[0004] The trip device is not conducive to limitation during installation, which increases the complexity of the installation of the trip device. Utility Model Content

[0005] The utility model aims to provide a drop-out type fuse to improve the efficiency of tripper installation.

[0006] To achieve the above object, the utility model provides the following technical solution: a drop-out fuse, comprising

[0007] A fuse body, wherein a fuse tube is arranged on the fuse body;

[0008] A stable limiting mechanism, the stable limiting mechanism includes a first fastening seat and a second fastening seat, the first fastening seat and the second fastening seat are installed on the outside of the fuse tube, and the side surface of the first fastening seat is provided with a limiting block, the side surface of the second fastening seat is provided with a limiting groove for inserting the limiting block, and the inner side surface of the limiting groove is provided with a first stop block and a second stop block that can abut against the limiting block.

[0009] Preferably, a jumper is provided on the side surface of the second fastening seat, a second fastening ear is provided at the end of the second fastening seat, a first fastening ear is provided at the end of the first fastening seat, and the first fastening ear is fixedly connected to the second fastening ear.

[0010] Preferably, a first fixing hole is formed inside the first fastening ear, and a second fixing hole is formed inside the second fastening ear.

[0011] Preferably, the inner side surfaces of the first fastening seat and the second fastening seat are both provided with arc-shaped openings, and support members are installed on the arc-shaped openings.

[0012] Preferably, a support column is further included, and a connecting plate is provided at the end of the support column.

[0013] Preferably, a supporting end is provided on the connecting plate, and a buckle is provided at one end of the supporting end.

[0014] Preferably, a backing plate connected to the buckle is provided at the end of the fuse body, and an angle iron connected to the buckle is provided at the bottom of the backing plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] By designing a stable limiting mechanism, the cooperation of the limiting block and the limiting groove is utilized to increase the limitation when the first fastening seat and the second fastening seat are spliced; by the cooperation of the first stop block and the second stop block, the reinforcement performance of the limiting block inserted into the limiting groove is further increased, which helps to achieve rapid splicing of the first fastening seat and the second fastening seat, and improves the efficiency of the installation of the tripper. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of a top view of the connection structure of the first fastening seat and the second fastening seat of the utility model;

[0019] Figure 3 For the utility model Figure 2 Schematic diagram of the enlarged structure of the D region;

[0020] In the figure: 1. support column; 2. connecting plate; 3. support end; 4. buckle; 5. fuse body; 6. fuse tube; 7. pad; 71. angle iron; 8. first fastening seat; 81. first fastening ear; 82. limiting block; 83. support member; 9. second fastening seat; 91. tripper; 92. second fastening ear; 93. limiting groove; 930. first stop block; 931. second stop block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1

[0023] See also Figure 1-Figure 3 , is the first embodiment of the utility model, which provides a drop-out fuse, including

[0024] A fuse body 5, on which a fuse tube 6 is arranged, so that the fuse tube 6 is added;

[0025] A stable limiting mechanism, which includes a first fastening seat 8 and a second fastening seat 9. The first fastening seat 8 and the second fastening seat 9 are installed on the outer side of the fuse tube 6. The first fastening seat 8 and the second fastening seat 9 can be fixed on the outer side of the fuse tube 6 as needed, and a limiting block 82 is provided on the side surface of the first fastening seat 8, thereby realizing the addition of the limiting block 82. A limiting groove 93 is provided on the side surface of the second fastening seat 9 for inserting the limiting block 82. By utilizing the cooperation between the limiting block 82 and the limiting groove 93, the limitation of the first fastening seat 8 and the second fastening seat 9 is increased when they are spliced. The inner side surface of the limiting groove 93 is provided with a first stop block 930 and a second stop block 931 that can abut against the limiting block 82. By utilizing the cooperation between the first stop block 930 and the second stop block 931, the reinforcement performance of the limiting block 82 inserted into the limiting groove 93 is further increased.

[0026] In this embodiment, preferably, a side surface of the second fastening seat 9 is provided with a tripper 91, so that the tripper 91 is added, and a second fastening ear 92 is provided at the end of the second fastening seat 9, so that the second fastening ear 92 is added, and a first fastening ear 81 is provided at the end of the first fastening seat 8, so that the first fastening ear 81 is added, and the first fastening ear 81 and the second fastening ear 92 are connected by bolts and nuts, which helps to achieve the firm splicing of the first fastening ear 81 and the second fastening ear 92, thereby helping to firmly splice the first fastening seat 8, the second fastening seat 9 and the fuse tube 6.

[0027] In this embodiment, preferably, a first fixing hole is opened inside the first fastening ear 81 to realize the opening of the first fixing hole, and a second fixing hole is opened inside the second fastening ear 92 to realize the opening of the fuse tube 6.

[0028] In this embodiment, preferably, the inner side surfaces of the first fastening seat 8 and the second fastening seat 9 are both provided with arc-shaped openings, and the arc-shaped openings are provided with support members 83 , which further increase the convenience of fixing on the fuse tube 6 .

[0029] In the present embodiment, preferably, a support column 1 is further included, and a connecting plate 2 is provided at the end of the support column 1 to achieve the matching between the support column 1 and the connecting plate 2.

[0030] In this embodiment, preferably, a support end 3 is provided on the connection disk 2 to realize an additional support end 3 , and a buckle ring 4 is provided at one end of the support end 3 to realize an additional buckle ring 4 .

[0031] Example 2

[0032] See also Figure 1-Figure 3 , which is the second embodiment of the utility model, is based on the previous embodiment, and the difference is that:

[0033] A pad 7 connected to the buckle 4 is provided at the end of the fuse body 5, and the fuse body 5 and the buckle 4 are spliced ​​together through the pad 7. An angle iron 71 connected to the buckle 4 is provided at the bottom of the pad 7, and the spliced ​​pad 7 and buckle 4 are reinforced by the angle iron 71.

[0034] It should be noted that the specific structure and working principle of the support column 1, the connecting plate 2, the support end 3, the fuse body 5, the fuse tube 6, the buckle 4, and the pad 7 have been disclosed in a drop-out fuse with the publication number CN214542108U.

[0035] The working principle and use process of the utility model are as follows: pick up the first fastening seat 8 and the second fastening seat 9, and insert the limiting block 82 into the limiting groove 93 along the first stop block 930 and the second stop block 931, so as to increase the limitation when the first fastening seat 8 and the second fastening seat 9 are spliced, and the first fastening ear 81 and the second fastening ear 92 are firmly spliced ​​through the cooperation of bolts and nuts, thereby facilitating the firm splicing of the first fastening seat 8, the second fastening seat 9 and the fuse tube 6; the splicing of the fuse body 5 and the buckle 4 is realized through the cooperation of the pad 7 and the angle iron 71.

[0036] Although the embodiments of the present invention have been shown and described, as detailed above, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drop-out fuse, characterized in that: include A fuse body (5), wherein a fuse tube (6) is arranged on the fuse body (5); A stable limiting mechanism, the stable limiting mechanism comprising a first fastening seat (8) and a second fastening seat (9), the first fastening seat (8) and the second fastening seat (9) being installed on the outer side of a fuse tube (6), and a limiting block (82) being arranged on the side surface of the first fastening seat (8), a limiting groove (93) for inserting the limiting block (82) being provided on the side surface of the second fastening seat (9), and a first stop block (930) and a second stop block (931) being arranged on the inner side surface of the limiting groove (93) for abutting against the limiting block (82).

2. A drop-out fuse according to claim 1, characterized in that: A tripper (91) is provided on the side surface of the second fastening seat (9), a second fastening ear (92) is provided at the end of the second fastening seat (9), a first fastening ear (81) is provided at the end of the first fastening seat (8), and the first fastening ear (81) and the second fastening ear (92) are fixedly connected.

3. A drop-out fuse according to claim 2, characterized in that: A first fixing hole is provided inside the first fastening ear (81), and a second fixing hole is provided inside the second fastening ear (92).

4. A drop-out fuse according to claim 1, characterized in that: The inner side surfaces of the first fastening seat (8) and the second fastening seat (9) are both provided with arc-shaped openings, and support members (83) are installed on the arc-shaped openings.

5. A drop-out fuse according to claim 1, characterized in that: It also comprises a support column (1), and a connecting plate (2) is provided at the end of the support column (1).

6. A drop-out fuse according to claim 5, characterized in that: The connection plate (2) is provided with a support end (3), and one end of the support end (3) is provided with a buckle ring (4).

7. A drop-out fuse according to claim 6, characterized in that: A backing plate (7) connected to the buckle ring (4) is provided at the end of the fuse body (5), and an angle iron (71) connected to the buckle ring (4) is provided at the bottom of the backing plate (7).

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