Fuse and fuse base thereof

Abstract

The invention relates to the technical field of fuses, in particular to a fuse and a fuse base thereof. The fuse comprises a fuse tube, the two sides of the fuse tube are respectively provided with an end sealing element, a fuse body is installed between the two end sealing elements, each end sealing element comprises an edge shell and a jacking sleeve, the jacking sleeve is detachably installed on the inner side of the edge shell, and the jacking sleeve and the edge shell are respectively clamped on the inner side and the outer side of a limiting edge of the end of the fuse tube. Edge shells on the two sides of the fuse tube are detachably installed in the two C-shaped conductive clamps respectively, the C-shaped conductive clamps are provided with power connection terminals, and the two C-shaped conductive clamps are fixedly installed on the two sides of the fuse base respectively. According to the invention, the scheme that the warning assembly can penetrate through the housing of the fuse to give an alarm after the internal melt of the fuse is fused is utilized, so that the identification efficiency of the fuse with the fused internal melt is improved.

Description

Technical Field

[0001] This invention relates to the field of fuse technology, and more specifically, to a fuse and its base. Background Technology

[0002] Fuses are classified into plug-in fuses, screw-type fuses, and enclosed fuses;

[0003] When in use, a fuse is connected to the circuit. The current flowing through the conductor heats the conductor, and when it reaches the conductor's melting point, the conductor melts, thus breaking the circuit and protecting the appliance and wiring from being burned out. After the fuse inside the appliance blows, it needs to be replaced. However, when an appliance uses multiple fuses at the same time, it is not possible to directly identify the state of the molten element inside the fuse through the fuse casing, which increases the difficulty of replacing the fuse inside the appliance. Summary of the Invention

[0004] To increase the efficiency of identifying fuses whose internal fusible element has melted, the present invention adopts the following technical solution:

[0005] The purpose of this invention is to provide a solution for an alarm component that can penetrate the fuse housing to issue an alarm after the internal fuse element has melted, thereby increasing the efficiency of identifying fuses with melted internal fuse elements.

[0006] To achieve the above objectives, the present invention provides a fuse, including a fuse tube, with end seals installed on both sides of the fuse tube, and a fusible element installed between the two end seals.

[0007] The end seal of this application includes an edge housing and a tightening sleeve. The tightening sleeve is detachably installed inside the edge housing. The tightening sleeve and the edge housing are respectively locked on the inner and outer sides of the end limiting edge of the fuse tube.

[0008] The edge housings on both sides of the fuse tube are detachably installed in two C-shaped conductive clips. The C-shaped conductive clips are equipped with electrical terminals, and the two C-shaped conductive clips are fixedly installed on both sides of the fuse base. Attached Figure Description

[0009] The following figures are intended only to illustrate and explain the present invention, wherein:

[0010] Figure 1 This is a schematic diagram of the structure of the fuse and fuse base of the present invention;

[0011] Figure 2 This is a schematic diagram of the installation platform and fuse base of the present invention;

[0012] Figure 3 This is a schematic diagram of the fuse portion of the present invention. Figure 1 ;

[0013] Figure 4 This is a schematic diagram of the fuse portion of the present invention. Figure 2 ;

[0014] Figure 5 This is a schematic diagram of the fuse portion of the present invention. Figure 3 ;

[0015] Figure 6 This is a schematic diagram of the fuse portion of the present invention. Figure 4 ;

[0016] Figure 7 This is a schematic diagram of the fuse portion of the present invention. Figure 5 ;

[0017] Figure 8 This is a schematic diagram of the fuse portion of the present invention. Figure 6 .

[0018] In the diagram: 11 mounting platform; 12 fuse base; 13 C-shaped conductive clip; 14 electrical terminal; 2 fuse; 21 fuse tube; 22 limiting edge; 23 edge housing; 24 tightening sleeve; 25 handle cover; 26 hollow cylinder; 31 fusible element; 32 tension spring; 33 warning post; 34 leaf spring; 35 positioning post. Detailed Implementation

[0019] In order to increase the efficiency of identifying fuses whose internal fusible element has melted, the present invention provides a fuse 2, which includes a fuse tube 21, an edge housing 23, a tightening sleeve 24 and a fusible element 31. The edge housing 23 and the tightening sleeve 24 are fixedly installed at both ends of the fuse tube 21, and the two ends of the fusible element 31 are respectively connected to the two tightening sleeves 24.

[0020] Among them, the edge housing 23 and the top sleeve 24 constitute the end seal; the edge housing 23, the top sleeve 24 and the melt 31 are all made of conductive materials.

[0021] The following describes specific embodiments of the present invention.

[0022] Reference Figure 1 and Figure 3-5 The illustration shows an embodiment of the present invention whereby the fuse 2 is repaired by replacing other components, thereby increasing economic efficiency:

[0023] The clamping sleeve 24 of this application is detachably installed inside the edge housing 23. The clamping sleeve 24 and the edge housing 23 are respectively locked on the inner and outer sides of the end limiting edge 22 of the fuse tube 21.

[0024] The edge housing 23 and the top clamping sleeve 24 can be spliced ​​together by plug-in installation or screw installation.

[0025] By using the clamping sleeve 24 and the edge housing 23 together to limit the end of the fuse tube 21 on both sides of the limiting line 22, the end of the fuse 2 is sealed, reducing the use of glue, so that the fuse 2 can be disassembled and replaced. Thus, if a part of the fuse 2 is damaged, the fuse 2 can be repaired by replacing the rest of the parts, thereby increasing economic benefits.

[0026] Reference Figure 1-2 The following is an embodiment illustrating how the fuse provided by the present invention increases safety during the process of removing the fuse tube 21 from the two C-shaped conductive clips 13:

[0027] The edge housings 23 on both sides of the fuse tube 21 of this application are detachably installed in two C-shaped conductive clips 13. The C-shaped conductive clips 13 are provided with electrical terminals 14. The two C-shaped conductive clips 13 are fixedly installed on both sides of the fuse base 12.

[0028] Multiple fuse bases 12 are provided, and multiple fuse bases 12 are fixedly installed on the installation platform 11 at equal intervals, so as to quickly check the usage status of multiple fuses 2 and determine the location of the fuse 2 whose internal fuse element has melted.

[0029] Furthermore, a handle cap 25 made of insulating material is installed at the end of the clamping sleeve 24 to increase the safety of the fuse tube 21 during the process of removing it from the two C-shaped conductive clips 13.

[0030] Reference Figure 3-6 The illustration shows an embodiment of the fuse provided by the present invention, which uses a warning post 33 to penetrate the fuse casing to provide an alarm, thereby increasing the efficiency of identifying fuses whose internal fusible element has melted:

[0031] In this application, the two ends of the melt 31 are connected to the tightening sleeve 24 via a tension spring 32 and a warning post 33, respectively.

[0032] Specifically: a warning post 33 that can penetrate the handle cover 25 is slidably installed inside the tightening sleeve 24. The end of the melt 31 is connected to the warning post 33 through a tension spring 32. The warning post 33 is connected to the inner wall of the tightening sleeve 24 through multiple leaf springs 34.

[0033] Among them, the leaf spring 34 always has the force to pull the warning post 33 outwards towards the top sleeve 24 and the handle cover 25. When the melt 31 has not melted, the tension springs 32 on both sides provide a reverse force to resist the leaf spring 34 pulling the warning post 33.

[0034] After the fusible element 31 melts, it loses the force of the tension spring 32. The leaf spring 34 drives the warning post 33 to penetrate the top sleeve 24 and the handle cover 25. The warning post 33 penetrates the fuse housing to give a warning, increasing the efficiency of identifying fuses whose internal fusible element has melted.

[0035] Reference Figure 1 and Figure 6-8 The illustration shows an embodiment of the fuse provided by the present invention, which reduces the requirements for the initial bending degree and internal stress of the leaf spring 34, making it easier to assemble the various components of the device together:

[0036] The edge housing 23 and the top sleeve 24 of this application are connected by a threaded connection, and the top sleeves 24 on both sides are rotated in opposite directions.

[0037] After installing tension springs 32 on the two warning posts 33, connect the other ends of the two tension springs 32 to the two sides of the melt 31 respectively, and then screw the two tightening sleeves 24 into the edge housing 23.

[0038] Since the two tightening sleeves 24 rotate in opposite directions, during the rotation of the tightening sleeves 24, a torsional force is applied to the tension springs 32, causing the two tension springs 32 to expand as a whole. As the tension springs 32 further contract, the warning post 33 is driven to contract within the tightening sleeves 24.

[0039] Using the above scheme, the warning post 33 can retract into the top sleeve 24 during the assembly of the fuse 2, reducing the requirements for the initial bending degree and internal stress of the leaf spring 34, making it easier to assemble the various parts of the equipment together.

[0040] The tension spring 32 can be installed in the hole at the end of the melt 31 by welding or fastening.

[0041] Furthermore, an insulating sheet is installed at the end of the warning post 33 to prevent personnel from being electrocuted when replacing a fuse 2 that has not blown.

[0042] Reference Figure 5-6 and Figure 8 The following is an embodiment illustrating how the fuse provided by the present invention improves the stability of fuse 2 in use:

[0043] In this application, a positioning post 35 is fixedly installed at the end of the leaf spring 34 away from the warning post 33. The positioning post 35 is fixedly connected in the mounting hole of the tightening sleeve 24. The positioning post 35 can pass through the mounting hole on the tightening sleeve 24 so as to install the leaf spring 34.

[0044] The use of the positioning post 35 can increase the resistance of the leaf spring 34 to the torsional force generated during the deformation of the tension spring 32, thereby improving the stability of the fuse 2.

Claims

1. A fuse, comprising a fuse tube (21), with end seals installed on both sides of the fuse tube (21) and a fusible element (31) installed between the two end seals, characterized in that: The end seal includes an edge housing (23) and a top sleeve (24). The top sleeve (24) is detachably installed inside the edge housing (23). The top sleeve (24) and the edge housing (23) are respectively locked on the inner and outer sides of the end limiting edge (22) of the fuse tube (21).

2. The fuse of claim 1, wherein: The edge housings (23) on both sides of the fuse tube (21) are detachably installed in two C-shaped conductive clips (13). The C-shaped conductive clips (13) are provided with electrical terminals (14). The two C-shaped conductive clips (13) are fixedly installed on both sides of the fuse base (12).

3. The fuse of claim 1, wherein: The end of the top clamping sleeve (24) is fixedly fitted with a handle cover (25), which is made of insulating material.

4. The fuse of claim 1, wherein: The two ends of the melt (31) are respectively connected to two clamping sleeves (24).

5. The fuse of claim 4, wherein: The two ends of the melt (31) are connected to two clamping sleeves (24) by tension springs (32).

6. The fuse of claim 4, wherein: The tightening sleeve (24) has a warning post (33) that can penetrate the handle cover (25) slidably installed inside it. The end of the melt (31) is connected to the warning post (33) through a tension spring (32). The warning post (33) is connected to the inner wall of the tightening sleeve (24) through multiple leaf springs (34).

7. The fuse according to claim 6, characterized in that: The edge housing (23) and the top clamping sleeve (24) are connected by a threaded connection.

8. The fuse of claim 7 or 6, characterized in that: The end of the leaf spring (34) away from the warning post (33) is fixedly installed with a positioning post (35), and the positioning post (35) is fixedly connected in the mounting hole of the tightening sleeve (24).

9. The fuse of claim 6, wherein: An insulating sheet is installed at the end of the warning post (33).

10. The fuse of claim 2, wherein: Multiple fuse bases (12) are provided, and multiple fuse bases (12) are fixedly installed on the installation platform (11) at equal intervals.

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