Split-type high-current wiring terminal perforation insulation installation assembly

Abstract

The utility model discloses a split-type heavy current wiring terminal perforation insulation installation assembly, which comprises a wiring terminal, an insulator and a metal shell, the metal shell is provided with a side plate and a bottom plate, the side plate is provided with an installation through hole, the bottom plate is provided with a positioning convex strip, the wiring terminal comprises a terminal large-diameter section and a terminal small-diameter section which are axially connected, and the terminal large-diameter section and the terminal small-diameter section are provided with through holes. A positioning groove is formed in the lower face of the insulator, the positioning protruding strip is arranged in the positioning groove, one end of the insulator is bent upwards by 90 degrees to form an insulator baffle, one side of the insulator baffle protrudes outwards to form an insulator boss, a boss through hole is formed in the insulator boss, the insulator boss penetrates through the installation through hole, and the small-diameter section of the terminal penetrates through the boss through hole. And the insulator is respectively connected with the large-diameter section of the terminal and the positioning convex strip. According to the utility model, rapid and accurate positioning connection among the wiring terminal, the insulator and the metal shell is realized by using the positioning raised lines on the bottom plate and the positioning grooves on the insulator, and the wiring terminal has the advantages of convenience in disassembly and assembly, good anti-vibration performance, large bearing current and low cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wiring terminal installation assembly, especially to a split type large current wiring terminal perforation insulation installation assembly. BACKGROUND

[0002] Wiring terminals are usually used in electrical products, for example, in filters, wiring terminals are usually used to pass through the side wall of the shell to realize electrical connection with other components, the filter shell is generally a metal shell, in order to avoid the conductive connection between the wiring terminal and the filter shell, the wiring terminal is generally installed on the filter shell through an insulator.

[0003] There are two kinds of conventional installation methods for installing the wiring terminal on the metal shell through the insulator in a perforation mode, one is to use an insulator with a hole to be fixed in the through hole of the metal shell, and at the same time, the wiring terminal is fixed in the through hole of the insulator, or the wiring terminal and the insulator are integrally injection molded and then directly installed on the metal shell, this installation method is generally applicable to small current products, and has the defects of poor vibration resistance of the fixing method, inconvenience of disassembly and maintenance; the other installation method is to use a pair of (plug, socket) connectors to complete, the socket passes through the side wall of the metal shell and is installed by a plurality of screws, then a plug matched with the socket is used outside the metal shell to realize the function of being disconnected at any time, this installation method has the defect of high cost, and the quick disassembly function is redundant and not practical in products that do not need to be disassembled. SUMMARY

[0004] The utility model aims at solving the above problems and provides a split type large current wiring terminal perforation insulation installation assembly which is convenient to disassemble and assemble, has good vibration resistance and low cost

[0005] The utility model realizes the above-mentioned purpose through the following technical scheme:

[0006] The utility model provides a split type big current wiring terminal perforation insulation mounting assembly, including wiring terminal, insulator and metal shell, the metal shell has the vertical side plate and the horizontal bottom plate who connects each other, the side plate is equipped with the mounting through hole on the position near the bottom plate, the bottom plate is equipped with the positioning convex strip who protrudes upwards on the position near the mounting through hole, the wiring terminal includes the terminal big diameter section and the terminal small diameter section who connects axially, the radial dimension of terminal big diameter section is greater than the radial dimension of terminal small diameter section, the lower surface of insulator is equipped with the positioning recess who passes through, and the insulator is placed on the bottom plate and the positioning convex strip is placed in the positioning recess, and the insulator is bent 90 DEG upwards on one end near the side plate and forms insulator baffle, and the insulator baffle is protruded outward and forms insulator boss on one side near the side plate, and the insulator boss is equipped with the boss through -hole and the boss through -hole passes through the insulator baffle, and the insulator boss passes through the mounting through hole on the side plate, and the wiring terminal is placed on the upper surface of the insulator and the terminal small diameter section passes through the boss through -hole, and the insulator is connected with the terminal big diameter section and the positioning convex strip respectively.

[0007] As preferred, in order to reliably connect the wiring terminal, the insulator and the bottom plate, the upper surface of the positioning convex strip is provided with a vertical convex strip screw hole, the insulator is provided with a vertical insulator through hole and a vertical insulator screw hole, and the terminal big diameter section is provided with a vertical terminal through hole, the shank of a first screw passes through the insulator through hole from top to bottom and is connected with the convex strip screw hole, and the shank of a second screw passes through the terminal through hole from top to bottom and is connected with the insulator screw hole.

[0008] As preferred, in order to more reliably connect the wiring terminal, the insulator and the bottom plate, the convex strip screw hole, the insulator through hole and the first screw are two, and the insulator screw hole, the terminal through hole and the second screw are four.

[0009] As preferred, in order to facilitate the electrical connection of the wiring terminal with other components, the terminal small diameter section is provided with a connecting through hole near the free end thereof, and the terminal big diameter section is provided with a welding cup near the free end thereof.

[0010] The utility model has the advantages that:

[0011] The utility model discloses a split type big current wiring terminal perforation insulation mounting assembly, including wiring terminal, insulator and metal shell, the metal shell has the vertical side plate and the horizontal bottom plate who connects each other, the side plate is equipped with the mounting through hole on the position near the bottom plate, the bottom plate is equipped with the positioning convex strip who protrudes upwards on the position near the mounting through hole, the wiring terminal includes the terminal big diameter section and the terminal small diameter section who connects axially, the radial dimension of terminal big diameter section is greater than the radial dimension of terminal small diameter section, the lower surface of insulator is equipped with the positioning recess who passes through, and the insulator is placed on the bottom plate and the positioning convex strip is placed in the positioning recess, and the insulator is bent 90 DEG upwards on one end near the side plate and forms insulator baffle, and the insulator baffle is protruded outward and forms insulator boss on one side near the side plate, and the insulator boss is equipped with the boss through -hole and the boss through -hole passes through the insulator baffle, and the insulator boss passes through the mounting through hole on the side plate, and the wiring terminal is placed on the upper surface of the insulator and the terminal small diameter section passes through the boss through -hole, and the insulator is connected with the terminal big diameter section and the positioning convex strip respectively. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1Is one of the perspective exploded view before the assembly of the split type large current terminal perforated insulation installation component, the figure is the angle of view from above;

[0013] Fig. 2 Is the second perspective exploded view before the assembly of the split type large current terminal perforated insulation installation component, the figure is the angle of view from below;

[0014] Fig. 3 Is the perspective view after the assembly of the split type large current terminal perforated insulation installation component, the figure is the angle of view from above. DETAILED DESCRIPTION

[0015] The utility model will be further described in connection with the drawings:

[0016] As Figs. 1-3 The utility model discloses a split type large current terminal perforated insulation installation component, which comprises a terminal, an insulator and a metal shell. The metal shell has a vertical side plate 1 and a horizontal bottom plate 3 connected perpendicularly to each other. The side plate 1 is provided with a mounting through hole 2 near the bottom plate 3. The bottom plate 3 is provided with a positioning protruding strip 4 protruding upward near the mounting through hole 2. The terminal comprises a terminal large diameter section 12 and a terminal small diameter section 11 connected axially. The radial dimension of the terminal large diameter section 12 is larger than that of the terminal small diameter section 11. The lower surface of the insulator 8 is provided with a horizontal positioning groove 15. The insulator 8 is placed on the bottom plate 3, and the positioning protruding strip 4 is placed in the positioning groove 15. One end of the insulator 8 near the side plate 1 is bent upward by 90° to form an insulator baffle 7. The side of the insulator baffle 7 near the side plate 1 protrudes outward to form an insulator boss 6. The insulator boss 6 is provided with a horizontal boss through hole 5, and the boss through hole 5 penetrates the insulator baffle 7. The terminal is placed on the upper surface of the insulator 8, and the terminal small diameter section 11 penetrates the boss through hole 5. The insulator 8 is connected with the terminal large diameter section 12 and the positioning protruding strip 4, respectively.

[0017] Preferably, for reliable connection of the terminal block, insulator 8, and base plate 3, the positioning ridge 4 has a vertical ridge screw hole (not marked in the figure), the insulator 8 has a vertical insulator through hole (not marked in the figure) and a vertical insulator screw hole (not marked in the figure), the large diameter section 12 of the terminal has a vertical terminal through hole (not marked in the figure), the stud of the first screw 9 passes through the insulator through hole from top to bottom and connects to the ridge screw hole, and the stud of the second screw 13 passes through the terminal through hole from top to bottom and connects to the insulator screw hole; for more reliable connection of the terminal block, insulator 8, and base plate 3, there are two ridge screw holes, two insulator through holes, and two screws 9, and four insulator screw holes, four terminal through holes, and four screws 13; to facilitate electrical connection of the terminal block to other components, a connecting through hole 10 is provided on the small diameter section 11 of the terminal near its suspended end, and a welding cup 14 is provided on the large diameter section 12 of the terminal near its suspended end.

[0018] like Figs. 1-3 As shown, during installation, first place the insulator 8 on the base plate 3 and position the positioning protrusion 4 in the positioning groove 15. Then push the insulator 8 so that the insulator protrusion 6 passes through the mounting through hole 2 on the side plate 1, and the insulator baffle 7 is in close contact with the side plate 1. Then, pass the studs of the two first screws 9 through the two insulator through holes from top to bottom and connect them to the two protrusion screw holes. Next, place the terminal on the insulator 8 and pass the small diameter end 11 of the terminal through the protrusion through hole 5 until the end step of the large diameter section 12 of the terminal near the small diameter section 11 is in close contact with the insulator baffle 7. Then, pass the studs of the four second screws 13 through the four terminal through holes from top to bottom and connect them to the four insulator screw holes, thus completing the installation process.

[0019] The above embodiments are merely preferred embodiments of this utility model and are not intended to limit the technical solutions of this utility model. Any technical solution that can be implemented based on the above embodiments without creative effort should be considered to fall within the scope of protection of this utility model patent.

Claims

1. A split-type high-current terminal block perforated insulation mounting assembly, comprising a terminal block, an insulator, and a metal housing, wherein the metal housing has vertically connected vertical side plates and a horizontal bottom plate, and the side plates are provided with mounting through holes near the bottom plate, characterized in that: The bottom plate is provided with a positioning protrusion upwardly protruding near the mounting hole, the terminal comprises an axially connected terminal large-diameter section and a terminal small-diameter section, the radial dimension of the terminal large-diameter section is larger than that of the terminal small-diameter section, the insulator is provided with a transversely penetrating positioning recess, the insulator is placed on the bottom plate with the positioning protrusion placed in the positioning recess, one end of the insulator near the side plate is upwardly bent by 90° to form an insulator baffle, one side of the insulator baffle near the side plate is outwardly protruded to form an insulator boss, the insulator boss is provided with a transversely penetrating boss through hole penetrating the insulator baffle, the insulator boss penetrates the mounting hole on the side plate, the terminal is placed on the insulator with the terminal small-diameter section penetrating the boss through hole, and the insulator is connected with the terminal large-diameter section and the positioning protrusion.

2. The split body high current terminal punch down insulation mounting assembly of claim 1, wherein: The upper surface of the positioning protrusion is provided with a vertical protrusion screw hole, the insulator is provided with a vertical insulator through hole and a vertical insulator screw hole, the terminal large-diameter section is provided with a vertical terminal through hole, the shank of a first screw penetrates the insulator through hole from top to bottom and is connected with the protrusion screw hole, and the shank of a second screw penetrates the terminal through hole from top to bottom and is connected with the insulator screw hole.

3. The split-body high current terminal press-through insulation mounting assembly of claim 2, wherein: The protrusion screw hole, the insulator through hole and the first screw are two, and the insulator screw hole, the terminal through hole and the second screw are four.

4. The split-body high current terminal press-through insulation mounting assembly of any of claims 1-3, wherein: The terminal small-diameter section is provided with a connecting through hole near the free end thereof, and the terminal large-diameter section is provided with a welding cup near the free end thereof.

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