Fusible core plug structure

Abstract

The fusible core plug structure comprises an insulating shell, the insulating shell comprises a first insulating part and a second insulating part, the side edge of the first insulating part is hinged to the side edge of the second insulating part through a hinge, and a plurality of positioning holes are formed in the side face of the first insulating part. The side surface of the first insulating part is provided with a positioning hole, the side surface of the second insulating part is provided with a positioning column which is correspondingly clamped with the positioning hole, the first insulating part is provided with a first conductor and a second conductor, the first conductor and the second conductor are respectively provided with a plurality of clamping holes, the first insulating part is provided with a clamping column which is correspondingly matched with the clamping holes, and the second insulating part is provided with a fusible core. According to the utility model, a symmetrical structure is designed, and plugging can be carried out regardless of directions; and the fusible core can be automatically fused when the current is too large, so that the fusing function of the circuit is realized, and the circuit and equipment are protected from being damaged. The first insulating part and the second insulating part are connected through the hinge, left-right mutual matching is achieved in the mode that the positioning holes and the positioning columns are matched, and mounting and dismounting are convenient. According to the utility model, the fusible core is fixed by adopting the upper limiting rib, the lower limiting rib, the clamping hook and the limiting column, so that the fusible core is convenient to mount and dismount.

Description

Technical Field

[0001] This utility model relates to the field of electrical engineering, and more particularly to electrical connectors, especially a fusible plug structure. Background Technology

[0002] Electrical connectors are used for conductive connections and are widely used in circuit connections. Some electrical connectors achieve circuit switching by inserting and removing the plug. However, existing plugs cannot promptly cut off the circuit under current overload, which can easily lead to equipment damage and pose safety hazards. Furthermore, the insulation structure of the plug and its conductive parts are inconvenient to install and remove, and the conductive parts are prone to loosening, affecting their reliability and durability. Summary of the Invention

[0003] The purpose of this utility model is to provide a fuse plug structure that solves the technical problems in the prior art, such as the inability to cut off the circuit in time when the current is overloaded, inconvenience in installation and disassembly, instability, and easy loosening.

[0004] This utility model discloses a fusible plug structure, comprising an insulating shell, the insulating shell including a first insulating component and a second insulating component. The side of the first insulating component is hinged to the side of the second insulating component via a hinge. The side of the first insulating component is provided with a plurality of positioning holes, and the side of the second insulating component is provided with positioning posts that engage with the positioning holes. The first insulating component is provided with a first conductor and a second conductor, each of which is provided with a plurality of locking holes. The first insulating component is provided with locking posts that engage with the locking holes. The second insulating component is provided with a fusible core. The upper limit rib, lower limit rib, hook, and locking post are respectively provided on the upper, lower, left, and right sides of the fusible core on the second insulating component. The upper end of the first conductor and the upper end of the second conductor are connected by the fusible core. The lower ends of both the first and second conductors extend downward out of the insulating shell.

[0005] Furthermore, the combined structure consisting of the insulating shell, the first conductor, and the bottom of the second conductor is arranged symmetrically front to back.

[0006] Furthermore, the first insulating component is provided with heat dissipation holes and an observation window.

[0007] Furthermore, a handle is provided on the upper side of the first insulating member, and the handle is provided with wavy stripes.

[0008] Furthermore, the first insulating element is provided with a marking strip placement groove.

[0009] Furthermore, the first insulating component is provided with an expansion dock interface containing an indicator light module and a voltage limiting module.

[0010] Compared with existing technologies, this invention offers significant and positive advantages. Its symmetrical structure allows for insertion and removal regardless of direction; the fuse automatically melts when the current is too high, protecting the circuit and equipment from damage. Hinges connect the first and second insulating components, with positioning holes and posts facilitating left-right cooperation for easy installation and disassembly. Upper and lower limit ribs, hooks, and limit posts secure the fuse, simplifying installation and removal. During installation, the fuse is placed in the designated position, and the first and second insulating components are then assembled. The first insulating component, through the use of locking holes and posts, ensures the secure and accurate installation of the first and second conductors. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the open state of the insulating shell in a fuse plug structure according to the present invention.

[0012] Figure 2 This is a first schematic diagram of the closed state of the insulating shell in a fuse plug structure according to the present invention.

[0013] Figure 3 This is a second schematic diagram of the closed state of the insulating shell in a fuse plug structure according to the present invention.

[0014] Figure 4 This is an exploded view of a fusible plug structure according to the present invention.

[0015] Figure 5 This is a schematic diagram of the conductor in the fused core plug structure of this utility model before installation in the open state.

[0016] Figure 6 This is a schematic diagram of the closed state of the conductor in the fused core plug structure of this utility model before installation.

[0017] Figure 7 This is a schematic diagram of the conductor in the fused core plug structure of this utility model after installation and in the open state.

[0018] Figure 8 This is a schematic diagram of a fusible plug structure pull-out connector according to the present invention.

[0019] Figure 9 This is a schematic diagram of a fused plug structure insertion connector according to the present invention. Detailed Implementation

[0020] The present invention will be further described below with reference to embodiments, but the present invention is not limited to these embodiments. Any similar variations using the present invention should be included within the protection scope of the present invention. The use of directions such as up, down, front, back, left, right, center, inside, and outside in the present invention is only for the convenience of clear description and is not intended to limit the technical solution of the present invention.

[0021] like Figures 1-9 As shown, a fusible plug structure of this utility model includes an insulating shell, which includes a first insulating member 1 and a second insulating member 2. The side of the first insulating member 1 is hinged to the side of the second insulating member 2 via a hinge 19. The side of the first insulating member 1 is provided with a plurality of positioning holes 3, and the side of the second insulating member 2 is provided with positioning posts 4 that engage with the positioning holes 3. The first insulating member 1 is provided with a first conductor 5 and a second conductor 6, and the first conductor 5 and the second conductor 6 are respectively provided with a plurality of locking holes 12. The insulating component 1 is provided with a locking post 13 that corresponds to the locking hole 12. The second insulating component 2 is provided with a fusible core 7. The upper limit rib 8, lower limit rib 9, locking hook 10 and locking post 11 are respectively provided on the upper side, lower side, left side and right side of the fusible core 7 on the second insulating component 2. The upper limit rib 8, lower limit rib 9, locking hook 10 and locking post 13 fix the fusible core 7 on the second insulating component 2. The upper end of the first conductor 5 and the upper end of the second conductor 6 are connected by the fusible core 7. The lower ends of the first conductor 5 and the second conductor 6 both extend downward out of the insulating shell.

[0022] Furthermore, the combined structure consisting of the insulating shell, the first conductor 5, and the bottom of the second conductor 6 is arranged symmetrically front to back.

[0023] Furthermore, the first insulating component 1 is provided with heat dissipation holes 14 and observation windows 17.

[0024] Furthermore, a handle 15 is provided on the upper side of the first insulating member 1, and the handle 15 is provided with wavy stripes 18.

[0025] Furthermore, the first insulating component 1 is provided with a marking strip placement groove.

[0026] Furthermore, the first insulating component 1 is provided with an expansion dock interface containing an indicator light module and a voltage limiting module.

[0027] Specifically, in this embodiment, the hinge 19, conductor, fused core 7, hook 10, marking strip placement slot, and expansion dock interface with indicator light module and voltage limiting module all adopt well-known solutions in the prior art, which are already known to those skilled in the art and will not be described in detail here.

[0028] The working principle of this embodiment: When using it, as follows Figure 8 and Figure 9As shown, the fuse plug structure is inserted into the connector 16, and the lower ends of the first conductor 5 and the second conductor 6 are in contact with the conductors on both sides of the connector 16, respectively. The circuit is made conductive through the first conductor 5, the fuse core 7, and the second conductor 6.

[0029] Advantages of this utility model:

[0030] 1. This utility model has a built-in fuse 7, which has a quick plug-in and plug-out function. The circuit can be turned on or off by inserting or removing the connector. The symmetrical structure allows for plugging and unplugging regardless of direction. When the current is too high, the fuse 7 can automatically melt and break, realizing the circuit's fuse function and protecting the circuit and equipment from damage.

[0031] 1-1. The first insulating component 1 and the second insulating component 2 are connected by hinge 19, and the left and right sides are matched by positioning holes 3 and positioning posts 4, which facilitates installation and disassembly.

[0032] 1-2. The handle 15 facilitates insertion or removal by the user. The wavy stripes 18 of the handle 15 increase friction and effectively improve the user's handling experience.

[0033] 2. This utility model uses an upper limit rib 8, a lower limit rib 9, a hook 10, and a limiting post 11 to fix the fusible core 7, which facilitates the installation and disassembly of the fusible core 7. During installation, the fusible core 7 can be placed in the designated position and then the first insulating component 1 and the second insulating component 2 can be assembled to realize the placement of the fusible core 7.

[0034] 3. The first insulating component 1 ensures the reliability and accuracy of the installation of the first conductor 5 and the second conductor 6 by means of the cooperation and limiting of the locking hole 12 and the locking post 13.

[0035] 4. The heat dissipation holes 14 and observation windows 17 on the first insulating component 1 facilitate heat dissipation of the fused core 7 and observation of the melting status of the fused core 7.

[0036] 5. The marker bar placement slot has a quick marker bar placement function.

[0037] 6. This utility model can retain the docking station function and can realize other functions such as indicator lights and voltage limiting.

Claims

1. A fusible plug structure, characterized in that, The device includes an insulating shell, which comprises a first insulating component and a second insulating component. The side of the first insulating component is hinged to the side of the second insulating component via a hinge. The side of the first insulating component has several positioning holes, and the side of the second insulating component has positioning posts that engage with the positioning holes. The first insulating component has a first conductor and a second conductor, each with several locking holes. The first insulating component has locking posts that engage with the locking holes. The second insulating component has a fusible core. The second insulating component has upper limit ribs, lower limit ribs, hooks, and locking posts on the upper, lower, left, and right sides of the fusible core, respectively. The upper limit ribs, lower limit ribs, hooks, and locking posts fix the fusible core to the second insulating component. The upper ends of the first and second conductors are connected by the fusible core. The lower ends of both the first and second conductors extend downwards out of the insulating shell.

2. The fusible plug structure according to claim 1, characterized in that, The combined structure consisting of the insulating shell, the first conductor, and the bottom of the second conductor is arranged symmetrically front to back.

3. The fusible plug structure according to claim 1, characterized in that, The first insulating component is provided with heat dissipation holes and an observation window.

4. The fusible plug structure according to claim 1, characterized in that, The first insulating element has a handle on its upper side, and the handle has wavy stripes.

5. The fusible plug structure according to claim 1, characterized in that, The first insulating component is provided with a marking strip placement groove.

6. The fusible plug structure according to claim 1, characterized in that, The first insulating component is provided with an expansion dock interface with an indicator light module and a voltage limiting module.

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