Double-layer through-wall waterproof connector

Abstract

The utility model provides a double-layer type through-wall waterproof connector, which comprises a rubber shell and a plurality of wire assemblies, the rubber shell comprises a shell body and a plurality of positioning inserts, the shell body comprises a tail plate, two side plates, two bottom plates and a plurality of partition plates, the two bottom plates are arranged in a front-back staggered manner, and threading holes corresponding to wiring spaces are arranged on the tail plate in a penetrating manner; the wire assembly comprises a wire arranged in the threading hole in a penetrating mode, a flow deflector connected to one end of the wire in a pressing mode, a conductive bolt and a connecting nut, a through hole is formed in the flow deflector in a penetrating mode, a screw part of the conductive bolt penetrates through the through hole from the bottom end of the through hole and is connected to the connecting nut, and a containing groove matched with the flow deflector is formed in the top of the positioning insert; the flow deflector is embedded in the containing groove, the bottom of the containing groove is provided with a nut positioning groove matched with a nut of the conductive bolt, the nut part of the conductive bolt is embedded in the nut positioning groove, the positioning insert is arranged in the wiring space and connected with the bottom plate in a buckled mode, the assembling difficulty can be lowered, and the assembling efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a double-layer wall-penetrating waterproof connector. Background Art

[0002] A through-the-wall connector is a type of connector that is fixed to a panel and passes through it. It is widely used in various electronic instruments. Double-layer through-the-wall connectors have two levels of wiring positions, one on top and one on the bottom. The two levels of wiring positions on the market overlap, leaving little space for wiring, making wiring difficult and inefficient. Summary of the Invention

[0003] The problem to be solved by the utility model is to provide a double-layer wall-penetrating waterproof connector, which can reduce the difficulty of assembly and improve the assembly efficiency.

[0004] To solve the above technical problems, a double-layer wall-penetrating waterproof connector provided by the utility model includes a plastic shell, a plurality of wire assemblies, the plastic shell includes a shell, a plurality of positioning inserts, the shell includes a tail plate, a side plate connected to both sides of one end face of the tail plate, two bottom plates connected between the two side plates, and a plurality of partitions arranged in parallel on the top of the bottom plate. The plurality of partitions divide the space between the two side plates and the bottom plate into a plurality of wiring spaces. The two bottom plates are staggered front and back, the lower bottom plate is located in front of the upper bottom plate, and the tail plate is penetrated by a plurality of partitions arranged corresponding to each wiring space. Wire threading hole; the wire assembly includes a wire passed through the wire threading hole, a guide plate crimped on one end of the wire, a conductive bolt, and a connecting nut. The guide plate is penetrated by a through hole, and the screw portion of the conductive bolt passes through the through hole from the bottom end and is connected to the connecting nut. The top of the positioning insert is provided with a receiving groove matching the guide plate, the guide plate is embedded in the receiving groove, and the bottom of the receiving groove is provided with a nut positioning groove matching the nut of the conductive bolt, the nut portion of the conductive bolt is embedded in the nut positioning groove, and the positioning insert is provided in the wiring space and is snap-fitted to the base plate.

[0005] Preferably, the plastic shell further includes a horizontal partition and several longitudinal partitions. Several first clamping parts are arranged in parallel at the bottom of one end of the horizontal partition, and a first clamping groove matching the first clamping part is provided at the bottom of one end of the bottom plate. The first clamping part is clamped on the first clamping groove. Positioning ears are provided on both sides of the other end of the horizontal partition, and positioning grooves matching the positioning ears are provided on the side plates. The positioning ears are clamped on the positioning grooves. A T-shaped connecting part is provided at one end of the longitudinal partition, and a T-shaped slot matching the T-shaped connecting part is provided at one end of the partition, and the T-shaped connecting part is clamped on the T-shaped slot.

[0006] Preferably, a first snap-fitting portion is provided at one end of the base plate, a first snap-fitting groove matching the first snap-fitting portion is provided at the bottom of the positioning insert, the first snap-fitting portion is snapped onto the first snap-fitting groove, a first limiting portion is provided on the inner side wall of the side panel and the two side walls of the longitudinal partition, the top surface of the positioning insert is adjacent to the bottom surface of the first limiting portion, a guide groove is provided at the bottom of the positioning insert, a guide strip matching the guide groove is provided at the top of the base plate, and the guide strip is embedded in the guide groove.

[0007] Preferably, the plastic shell further includes a bottom cover, and a window matching the bottom cover is formed between one end of the lower bottom plate, the inner walls of the two side plates, and the inner wall of the tail plate. The bottom cover is embedded in the window, one end of the bottom cover is provided with a second buckling portion, and the tail plate is provided with a second buckling groove matching the second buckling portion, the second buckling portion is buckled on the second buckling groove, the bottom of the positioning insert is provided with a limiting groove, and the other end of the bottom cover is provided with a second limiting portion matching the limiting groove, and the second limiting portion is engaged with the limiting groove.

[0008] Preferably, a filling groove body communicating with the threading hole is provided on one side surface of the tail plate, and the filling groove body is filled with sealant.

[0009] Preferably, an annular groove is provided on one side of the tail plate, and a waterproof rubber ring matching the annular groove is bonded to the annular groove.

[0010] The beneficial effects of the present invention are as follows: the present invention provides a double-layer waterproof wall-penetrating connector. When assembling, first pass one end of the wire through the wire hole and crimp the guide plate to one end of the wire. Then, pass the screw portion of the conductive bolt through the through hole and connect it with the connecting nut. Then, insert the nut portion of the conductive bolt into the nut positioning groove of the positioning insert and fit the guide plate into the receiving groove. Then, snap the positioning insert onto the base plate, so that each positioning insert is located in the corresponding wiring space. Since the two base plates are staggered front and back and the lower base plate is located in front of the upper base plate, that is, the wiring space of the upper layer and the wiring space of the lower layer are staggered, there is a larger assembly and wiring space, which facilitates the assembly of the positioning insert and the wiring to the conductive bolt, can effectively reduce the assembly difficulty and wiring difficulty of the connector, improve the assembly efficiency and wiring efficiency, and save manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The schematic diagram of the appearance structure of the utility model is illustrated.

[0012] Figure 2 A cross-sectional view illustrating the present invention is shown.

[0013] Figure 3 This utility model is illustrated Figure 2 Schematic diagram of the partially enlarged structure of part A in the middle.

[0014] Figure 4 This utility model is illustrated Figure 2 Schematic diagram of the partially enlarged structure of part B in the middle.

[0015] Figure 5 The schematic diagram of the exploded structure of the present invention is illustrated.

[0016] Figure 6 The structural diagram of the shell of the utility model is illustrated.

[0017] Figure 7 The structural diagram of the positioning insert of the utility model is illustrated.

[0018] Description of the accompanying drawings: shell 1, tail plate 10, threading hole 100, second buckling groove 101, filling slot 102, annular groove 103, waterproof rubber ring 104, side plate 11, positioning groove 110, first limiting portion 111, bottom plate 12, first clamping groove 120, first buckling portion 121, guide bar 122, window 123, partition 13, T-shaped slot 130, horizontal partition 14, first clamping portion 140, positioning ear 141, longitudinal partition 15, T-shaped connecting portion 150, bottom cover 16, second buckling portion 160, second limiting portion 161, positioning insert 2, accommodating groove 20, nut positioning groove 21, first buckling groove 22, guide groove 23, limiting groove 24, wire 3, guide plate 4, through hole 40, conductive bolt 5, connecting nut 6. DETAILED DESCRIPTION

[0019] To make the purpose, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of the embodiments.

[0020] Based on the described embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present disclosure.

[0021] refer to Figure 1-7 .

[0022] The utility model provides a double-layer wall-penetrating waterproof connector, comprising a plastic shell and a plurality of wire assemblies. The plastic shell comprises a shell 1 and a plurality of positioning inserts 2. The shell 1 comprises a tail plate 10, a side plate 11 connected to both sides of one end face of the tail plate 10, two bottom plates 12 connected between the two side plates 11, and a plurality of partitions 13 arranged in parallel on the top of the bottom plate 12. The plurality of partitions 13 divide the space between the two side plates 11 and the bottom plate 12 into a plurality of wiring spaces. The two bottom plates 12 are staggered front and back, with the lower bottom plate 12 located in front of the upper bottom plate 12. The tail plate 10 is penetrated with wire holes 100 corresponding to the wiring spaces. The component includes a wire 3 passed through the wire hole 100, a guide plate 4 crimped on one end of the wire 3, a conductive bolt 5, and a connecting nut 6. A through hole 40 is provided on the guide plate 4. The screw portion of the conductive bolt 5 passes through the through hole 40 from the bottom end of the through hole 40 and is connected to the connecting nut 6. A receiving groove 20 matching the guide plate 4 is provided on the top of the positioning insert 2. The guide plate 4 is embedded in the receiving groove 20. A nut positioning groove 21 matching the nut of the conductive bolt 5 is provided at the bottom of the receiving groove 20. The nut portion of the conductive bolt 5 is embedded in the nut positioning groove 21. The positioning insert 2 is provided in the wiring space and is snap-fitted to the base plate 12.

[0023] Its working principle is as follows: during assembly, one end of the wire 3 is first passed through the threading hole 100 and the guide plate 4 is crimped onto the end of the wire 3. Then, the screw portion of the conductive bolt 5 is passed through the through hole 40 and connected to the connecting nut 6. In order to achieve the fixation of the conductive bolt 5 and the guide plate 4, the screw portion of the conductive bolt 5 can be riveted on the through hole 40. Then, the nut portion of the conductive bolt 5 is assembled into the nut positioning groove 21 of the positioning insert 2 and the guide plate 4 is embedded in the receiving groove 20. Then, the positioning insert 2 is snapped onto the base plate 12, so that each positioning insert 2 is located in the corresponding wiring space. Since the two base plates 12 are staggered front and back and the lower base plate 12 is located in front of the upper base plate 12, that is, the wiring space of the upper layer and the wiring space of the lower layer are staggered, there is a larger assembly and wiring space, which facilitates the assembly of the positioning insert 2 and the wiring to the conductive bolt 5, can effectively reduce the assembly difficulty and wiring difficulty of the connector, improve the assembly efficiency and wiring efficiency, and save manpower.

[0024] Based on the above embodiment, the plastic shell further includes a horizontal partition 14 and several longitudinal partitions 15. Several first clamping portions 140 are arranged in parallel at the bottom of one end of the horizontal partition 14. A first clamping groove 120 matching the first clamping portion 140 is provided at the bottom of one end of the bottom plate 12. The first clamping portion 140 is engaged with the first clamping groove 120. Positioning ears 141 are provided on both sides of the other end of the horizontal partition 14. Positioning grooves 110 matching the positioning ears 141 are provided on the side plate 11. The positioning ears 141 are engaged with the positioning grooves 110. A T-shaped connecting portion 150 is provided at one end of the longitudinal partition 15. A T-shaped slot 130 matching the T-shaped connecting portion 150 is provided at one end of the partition 13. The T-shaped connecting portion 150 is engaged with the T-shaped slot 130. After the positioning insert 2 is assembled on the base plate 12, the wiring operation can be carried out. After the wiring is completed on the conductive bolt 5, the lower longitudinal partition 15 is assembled first. During assembly, the T-shaped connecting part 150 is aligned with the top of the T-shaped slot 130 and pressed in. Then the horizontal partition 14 is assembled. During assembly, the positioning ears 141 on both sides are snapped into the positioning slots 110 on both sides. By rotating the horizontal partition 14 into a horizontal state, the first snapping part 140 is snapped into the first snapping slot 120, and then the upper longitudinal partition 15 is assembled. The horizontal partition 14 can support the front end of the upper wiring wire to prevent the upper wiring wire from falling into the wiring space of the lower layer. The longitudinal partition 15 can extend the partition 13 to prevent the two adjacent wiring wires on the same layer from contacting and causing a short circuit, thereby improving the working reliability of the connector.

[0025] Based on the above embodiment, a first snap-fitting portion 121 is provided at one end of the base plate 12, and a first snap-fitting groove 22 matching the first snap-fitting portion 121 is provided at the bottom of the positioning insert 2. The first snap-fitting portion 121 is snapped into the first snap-fitting groove 22. A first limiting portion 111 is provided on the inner side wall of the side panel 11 and the two side walls of the longitudinal partition 15. The top surface of the positioning insert 2 is adjacent to the bottom surface of the first limiting portion 111. A guide groove 23 is provided at the bottom of the positioning insert 2, and a guide strip 122 matching the guide groove 23 is provided at the top of the base plate 12. The guide strip 122 is embedded in the guide groove 23. When assembling the positioning insert 2 to the housing 1, align the guide groove 23 with the guide bar 122 and push the positioning insert 2 into the wiring space until the first snap-fit ​​portion 121 snaps into the first snap-fit ​​groove 22. This completes the assembly of the positioning insert 2, which can position the positioning insert 2. The first limiting portion 111 can limit the positioning insert 2 to prevent the positioning insert 2 from floating.

[0026] Based on the above embodiment, the plastic shell further includes a bottom cover 16. A window 123 matching the bottom cover 16 is formed between one end of the bottom plate 12 on the lower side, the inner walls of the two side plates 11, and the inner wall of the tail plate 10. The bottom cover 16 is embedded in the window 123. One end of the bottom cover 16 is provided with a second buckling portion 160. The tail plate 10 is provided with a second buckling groove 101 matching the second buckling portion 160. The second buckling portion 160 is buckled on the second buckling groove 101. A limiting groove 24 is provided at the bottom of the positioning insert 2. The other end of the bottom cover 16 is provided with a second limiting portion 161 matching the limiting groove 24. The second limiting portion 161 is engaged with the limiting groove 24. After the positioning insert 2 is assembled to the housing 1, first pass the end of the bottom cover 16 with the second limiting portion 161 through the window 123 and allow each second limiting portion 161 to engage with the corresponding limiting groove 24. Then, close the bottom cover 16 to the window 123 until the second snap-fit ​​portion 160 engages with the second snap-fit ​​groove 101. This completes the assembly of the bottom cover 16 and allows the window 123 to be closed to prevent contact with the guide plate 4 through the window 123 during wiring, thereby improving wiring safety. By opening the window 123, the disassembly operation of the positioning insert 2 is facilitated.

[0027] Based on the above embodiment, a filling slot 102 connected to the wire hole 100 is provided on one side of the tail plate 10. The filling slot 102 is filled with sealant, which can ensure the sealing between the wire hole 100 and the wire 3, prevent water from entering the shell 1, and improve the waterproof level.

[0028] Based on the above embodiment, a side surface of the tail plate 10 is provided with an annular groove 103, to which a waterproof rubber ring 104 matching the annular groove 103 is bonded. After the housing 1 is mounted on the panel, the waterproof rubber ring 104 abuts against the panel to improve the waterproof effect.

[0029] The above embodiments are merely descriptions of preferred embodiments of the present invention and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A double-layer waterproof wall-penetrating connector, comprising a plastic shell and a plurality of wire assemblies, characterized in that: The plastic shell includes a shell, a plurality of positioning inserts, the shell includes a tail plate, side plates connected to both sides of one end face of the tail plate, two bottom plates connected between the two side plates, and a plurality of partitions arranged in parallel on the top of the bottom plate. The plurality of partitions divide the space between the two side plates and the bottom plate into a plurality of wiring spaces. The two bottom plates are staggered front and back, the bottom plate on the lower side is located in front of the bottom plate on the upper side, and the tail plate is penetrated by a threading hole corresponding to each wiring space; the wire assembly includes a wire passed through the threading hole, a wire crimped on The guide plate, conductive bolt and connecting nut at one end of the wire are provided with a through hole through the guide plate, the screw portion of the conductive bolt passes through the through hole from the bottom end of the through hole and is connected to the connecting nut, the top of the positioning insert is provided with a receiving groove matching the guide plate, the guide plate is embedded in the receiving groove, the bottom of the receiving groove is provided with a nut positioning groove matching the nut of the conductive bolt, the nut portion of the conductive bolt is embedded in the nut positioning groove, and the positioning insert is provided in the wiring space and is snap-fitted to the base plate.

2. A double-layer wall-penetrating waterproof connector according to claim 1, characterized in that: The plastic shell also includes a horizontal partition and several longitudinal partitions. Several first clamping parts are arranged in parallel at the bottom of one end of the horizontal partition. A first clamping groove matching the first clamping part is provided at the bottom of one end of the bottom plate. The first clamping part is engaged with the first clamping groove. Positioning ears are provided on both sides of the other end of the horizontal partition. Positioning grooves matching the positioning ears are provided on the side plates. The positioning ears are engaged with the positioning grooves. A T-shaped connecting part is provided at one end of the longitudinal partition. A T-shaped slot matching the T-shaped connecting part is provided at one end of the partition. The T-shaped connecting part is engaged with the T-shaped slot.

3. A double-layer wall-penetrating waterproof connector according to claim 2, characterized in that: A first buckling portion is provided at one end of the base plate, a first buckling groove matching the first buckling portion is provided at the bottom of the positioning insert, the first buckling portion is buckled on the first buckling groove, a first limiting portion is provided on the inner side wall of the side plate and the two side walls of the longitudinal partition, the top surface of the positioning insert is adjacent to the bottom surface of the first limiting portion, a guide groove is provided at the bottom of the positioning insert, a guide strip matching the guide groove is provided at the top of the base plate, and the guide strip is embedded in the guide groove.

4. A double-layer wall-penetrating waterproof connector according to claim 3, characterized in that: The plastic shell further includes a bottom cover, and a window matching the bottom cover is formed between one end of the bottom plate on the lower side, the inner walls of the two side plates, and the inner wall of the tail plate. The bottom cover is embedded in the window, and one end of the bottom cover is provided with a second buckling portion, and the tail plate is provided with a second buckling groove matching the second buckling portion, and the second buckling portion is buckled on the second buckling groove. A limiting groove is provided at the bottom of the positioning insert, and a second limiting portion matching the limiting groove is provided at the other end of the bottom cover, and the second limiting portion is engaged with the limiting groove.

5. A double-layer wall-penetrating waterproof connector according to claim 4, characterized in that: A filling slot body communicating with the threading hole is provided on one side of the tail plate, and the filling slot body is filled with sealant.

6. A double-layer wall-penetrating waterproof connector according to claim 5, characterized in that: An annular groove is provided on one side of the tail plate, and a waterproof rubber ring matching the annular groove is bonded to the annular groove.

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