CN214957644U

CN214957644U - Conductive grounding module

Info

Publication number: CN214957644U
Application number: CN202120564133.7U
Authority: CN
Inventors: 喻青山
Original assignee: Amphenol PCD Shenzhen Co Ltd
Current assignee: Amphenol PCD Shenzhen Co Ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-11-30
Anticipated expiration: 2031-03-18

Abstract

The utility model discloses a conductive grounding module, including terminal box, connecting terminal, injection molding sealing member and ground connection base. The terminal box is provided with a wiring port, and the bottom of the terminal box is provided with a first mounting hole communicated with the wiring port; the upper end of the connecting terminal extends into the wiring port from the first mounting hole, and the lower end of the connecting terminal is exposed out of the bottom of the terminal box; the injection molding sealing element comprises a first sealing part, at least one part of the first sealing part is embedded into the wiring port and used for sealing the connecting terminal; the grounding base is provided with a connecting port, and the lower part of the terminal box is embedded into the connecting port. The injection molding sealing element seals the terminal box, the injection molding sealing element can be better bonded with the terminal box, the injection molding sealing element is embedded into the wiring port, the upper end of the connecting terminal is completely coated, the upper end of the connecting terminal is sealed and waterproof, the sealing performance of the terminal box is greatly improved, and the integral sealing performance of the conductive grounding module is improved.

Description

Conductive grounding module

Technical Field

The utility model relates to an electrically conductive equipment technical field of aviation especially relates to an electrically conductive ground module.

Background

In the field of aviation, equipment inside an aircraft has strict grounding requirements, so that most of the equipment on the aircraft needs to be connected with the floor of the aircraft through a grounding module, thereby preventing the voltage surge when the aircraft is struck by lightning, ensuring the safety of the equipment inside the aircraft and ensuring the stability of flight. However, the conductive grounding module in the prior art has poor sealing performance, and water and dust enter the conductive grounding module, so that the grounding effect is affected.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a conductive grounding module to solve the technical problem that the poor sealing performance of the conductive grounding module in the prior art influences the grounding effect.

The purpose of the utility model is realized by adopting the following technical scheme:

an electrically conductive grounding module comprising:

the terminal box is provided with a wiring port, and the bottom of the terminal box is provided with a first mounting hole communicated with the wiring port;

the upper end of the connecting terminal extends into the wiring port from the first mounting hole, and the lower end of the connecting terminal is exposed out of the bottom of the terminal box;

the injection molding sealing element comprises a first sealing part, at least one part of the first sealing part is embedded into the wiring port and is used for sealing the connecting terminal;

the grounding base is provided with a connecting port, and the lower part of the terminal box is embedded into the connecting port.

Optionally, the injection molded sealing member includes a second sealing portion located at a bottom of the terminal box, the second sealing portion having a sealing ring surrounding the connection terminal.

Optionally, at least one injection molding channel is arranged in the terminal box, one end of the injection molding channel is communicated with the wiring port, and the other end of the injection molding channel is communicated with the bottom of the terminal box;

the injection molding sealing piece further comprises at least one connecting part in one-to-one correspondence with the injection molding channels, each connecting part is located in the corresponding injection molding channel, the upper end of each connecting part is connected with the first sealing part, and the lower end of each connecting part is connected with the second sealing part.

Optionally, the conductive grounding module further includes a fastener for maintaining the sealing ring and the grounding base in a pressed state, wherein one end of the fastener is connected to the grounding base, and the other end of the fastener is connected to the terminal box.

Optionally, a sealing plane for abutting against the sealing ring is arranged in the connecting port.

Optionally, a second mounting hole is formed in the sealing plane, and a metal clip for connecting with the connecting terminal is arranged in the second mounting hole.

Optionally, the conductive grounding module further comprises a retaining clip disposed in the wiring port and used for fixing the connection terminal;

the upper end of the connection terminal is connected to the holding clip.

Optionally, the lower surface of the retaining clip is provided with a resilient clamping jaw;

the upper end of the connecting terminal is clamped into the elastic clamping jaw.

Optionally, a positioning port for preventing reverse installation is arranged on the grounding base;

and the terminal box is provided with a positioning bulge matched with the positioning opening.

Optionally, the seal is injection molded from silicone or rubber.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses an among the electrically conductive ground connection module, the terminal box inserts the wire of being connected with equipment, and connecting terminal is connected to the wire in the wiring socket of terminal box, and when terminal box and ground connection base were connected, connecting terminal connected ground connection base to with equipment ground connection. And, with the sealed terminal box of the sealing member that moulds plastics, the sealing member that moulds plastics can bond with the terminal box better to the sealing member embedding wiring mouth of moulding plastics forms the complete cladding to the connecting terminal upper end, forms the waterproof seal to the upper end of connecting terminal, thereby has greatly improved the sealing performance of terminal box, makes the whole sealing performance of electrically conductive ground module improve.

Drawings

Fig. 1 is a schematic structural diagram of a conductive grounding module according to the present invention;

fig. 2 is an exploded view of the conductive ground module of the present invention;

fig. 3 is a cross-sectional view of the conductive grounding module of the present invention;

fig. 4 is a schematic structural diagram of an injection molding sealing element in the conductive grounding module of the present invention;

fig. 5 is a schematic structural diagram of a terminal box in the conductive grounding module according to the present invention;

fig. 6 is a schematic structural diagram of a metal clip in the conductive grounding module according to the present invention.

In the figure:

1. a terminal box; 11. a wiring port; 12. a first mounting hole; 13. injection molding a channel; 14. positioning projections 2 and connecting terminals;

3. injection molding a sealing element; 31. a first seal portion; 32. a second seal portion; 321. a seal ring; 33. connecting part

4. A ground base; 41. a connecting port; 42. a fastening hole; 43. sealing the plane; 44. a second mounting hole; 45. positioning port

5. A fastener;

6. a metal clip; 61. a metal ring; 62. a metal spring sheet;

7. a retaining clip; 71. an elastic clamping jaw.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The utility model provides a conductive grounding module with good sealing performance, it is required to declare, the utility model discloses well upper and lower direction is installed in floor or bottom plate with ground connection base 4 as the reference, and the upper and lower direction in the following is then the adaptability adjustment when installing on roof or wall.

As shown in fig. 1 to 3, the conductive ground module includes a terminal case 1, a connection terminal 2, an injection-molded packing 3, and a ground base 4. The terminal box 1 is provided with a wiring port 11, and the bottom of the terminal box 1 is provided with a first mounting hole 12 communicated with the wiring port 11. The upper end of the connection terminal 2 extends into the wiring port 11 from the first mounting hole 12, and the lower end of the connection terminal 2 is exposed to the bottom of the terminal box 1. In the wire connection port 11, the connection terminal 2 is connected to a wire (not shown in the drawings, and the hole on the upper surface of the first sealing portion 31 in fig. 1 is a hole through which the wire passes), which is connected to an apparatus. The injection-molded sealing member 3 includes a first sealing portion 31, and at least a part of the first sealing portion 31 is fitted into the terminal port 11, specifically, the first sealing portion 31 may be completely fitted into the terminal port 11, or as shown in fig. 1, a part of the first sealing portion 31 may be fitted into the terminal port 11 and a part thereof may be exposed to the terminal box 1. The first sealing portion 31 is used for sealing the connection terminal 2, specifically, for sealing the wire connection port 11. The grounding base 4 is provided with a connecting port 41, and the lower part of the terminal box 1 is inserted into the connecting port 41.

In this embodiment, a wire connected to the device is connected to the terminal box 1, the connection terminal 2 is connected to the wire in the wire connection port 11 of the terminal box 1, and when the terminal box 1 is connected to the ground base 4, the connection terminal 2 is connected to the ground base 4, thereby grounding the device. In this embodiment, still set up injection molding sealing member 3, injection molding sealing member 3 can be better with the bonding of terminal box 1 to injection molding sealing member 3 imbeds wiring mouth 11, forms the complete cladding to connecting terminal 2 upper end, forms the waterproof seal to connecting terminal 2's upper end, thereby has greatly improved terminal box 1's sealing performance, makes conductive grounding module's whole sealing performance improve. The injection-molded sealing member 3 also serves to insulate the connection terminal 2.

In addition, because the injection molding sealing element 3 and the terminal box 1 can be firmly bonded, the effective sealing time of the terminal box 1 is greatly prolonged, and the conductive grounding module in the embodiment has a longer service cycle.

In some embodiments, as shown in fig. 2 to 4, the injection molding seal 3 includes a second sealing portion 32, the second sealing portion 32 being located at the bottom of the terminal case 1, the second sealing portion 32 having a sealing ring 321 surrounding the connection terminal 2. When the terminal box 1 is connected to the ground base 4, the second sealing portion 32 is located in the gap between the terminal box 1 and the ground base 4 to seal the connection gap between the terminal box 1 and the ground base 4, and the sealing ring 321 surrounds the connection terminal 2 to form a seal around the connection terminal 2, thereby further enhancing the seal against the lower end of the connection terminal 2.

The first sealing portion 31 seals the terminal box 1 to form a seal for the upper end of the connection terminal 2, and the second sealing portion 32 seals the gap between the terminal box 1 and the ground base 4 to enhance the seal for the lower end of the connection terminal 2, thereby greatly improving the overall sealing performance of the conductive ground module.

In some further embodiments, as shown in fig. 2 and 5, at least one injection molding channel 13 is provided in the terminal box 1, one end of the injection molding channel 13 is communicated with the wiring port 11, and the other end of the injection molding channel 13 is communicated with the bottom of the terminal box 1, so that the wiring port 11 is communicated with the bottom of the terminal box 1, and in the injection molding of the injection molding sealing member 3, the injection molding material in a fluid state flows into the injection molding channel 13, specifically, flows into the bottom of the terminal box 1 from the wiring port 11 through the injection molding channel 13, or flows into the wiring port 11 from the bottom of the terminal box 1 through the injection molding channel 13, so as to injection mold the injection molding sealing member 3 in the present embodiment. The injection-molded injection seal member 3 includes, in addition to the first sealing portion 31 and the second sealing portion 32, at least one connecting portion 33 corresponding to the injection channel 13 one by one, each connecting portion 33 is located in the corresponding injection channel 13, the upper end of each connecting portion 33 is connected to the first sealing portion 31, and the lower end of each connecting portion 33 is connected to the second sealing portion 32. In this embodiment, the injection-molded sealing member 3 includes two parts, wherein the first sealing portion 31 is located in the wiring port 11, the second sealing portion 32 is located at the bottom of the terminal box 1, the two parts are located at different positions and are separated by the bottom plate of the terminal box 1, therefore, in this embodiment, the injection-molded channel 13 is provided in the terminal box 1, two ends of the injection-molded channel 13 respectively communicate with the wiring port 11 and the bottom of the terminal box 1, and after injection molding, the connecting portion 33 connected to the first sealing portion 31 and the second sealing portion 32 is formed in the injection-molded channel 13. On the one hand, the injection channel 13 facilitates injection molding of the first and

second sealing portions

31 and 32 simultaneously, and on the other hand, forms the connecting portion 33 connecting the first and

second sealing portions

31 and 32, forms the clamping of the terminal box 1 by the first and

second sealing portions

31 and 32, and facilitates maintaining the bonding state of the first and

second sealing portions

31 and 32.

In some embodiments, as shown in fig. 1 and 2, the conductive grounding module further includes a fastener 5, and one end of the fastener 5 is connected to the grounding base 4, and the other end is connected to the terminal box 1 of the terminal 2. When the terminal box is installed, the terminal box 1 is inserted into the connector 41, the pressing state of the terminal box 1 and the grounding base 4 is maintained, the fastener 5 penetrates into the lower end of the terminal box 1 from the side wall of the grounding base 4, and the terminal box 1 is fixedly connected with the grounding base 4, so that the terminal box 1 can be prevented from falling off, and meanwhile, the sealing ring 321 and the grounding base 4 are kept in a squeezing state, and the sealing effect is improved.

Specifically, the fastener 5 may be a screw, a rivet, or the like.

In some further embodiments, as shown in fig. 2, fastening holes 42 are provided on the side walls of the ground base 4, and the fastening member 5 is fixedly connected to the terminal box 1 after extending into the fastening holes 42.

In some embodiments, as shown in fig. 2, a sealing plane 43 for abutting against the sealing ring 321 is provided in the connection port 41, and the sealing effect of the sealing ring 321 on the connection terminal 2 is increased by the abutting of the sealing ring 321 against the sealing plane 43.

In some embodiments, as shown in fig. 2, a second mounting hole 44 is formed in the sealing plane 43, and a metal clip 6 for connecting with the connection terminal 2 is provided in the second mounting hole 44. The metal clip 6 is connected with the connecting terminal 2, so that the connecting terminal 2 is grounded, meanwhile, the metal clip 6 clamps the connecting terminal 2 tightly, an anti-falling effect is achieved, after the terminal box 1 is inserted into the connecting port 41, the terminal box 1 can be fixed on the grounding base 4, and the convenience in installation is improved.

Further, as shown in fig. 6, the metal clip 6 includes two metal rings 61 arranged side by side and metal elastic pieces 62 arranged between the two metal strips, one end of each metal elastic piece 62 is connected to one of the metal rings 61, the other end is connected to the other metal ring 61, and the middle of each metal elastic piece 62 is bent toward the central connecting line of the two metal rings 61. When the connection terminal 2 is inserted into the metal clip 6, the metal spring piece 62 clamps the connection terminal 2.

In some embodiments, as shown in fig. 2 and 3, the conductive grounding module further includes a retaining clip 7 disposed in the wire connection port 11 and used for fixing the connection terminal 2. The upper end of the connection terminal 2 is connected to a retaining clip 7. A holding clip 7 is provided in the wire connection port 11, and the connection terminal 2 is fixed by the holding clip 7 before the first sealing portion 31 is injection-molded, so that the connection terminal 2 is prevented from moving during injection molding.

Specifically, as shown in fig. 2, the holding clip 7 is provided with elastic claws 71 on the lower surface thereof, and the upper ends of the connection terminals 2 are caught in the elastic claws 71. The connection terminal 2 is fixed by the elastic claw 71, and the connection terminal 2 is positioned at the time of injection molding.

In some embodiments, as shown in fig. 2, the grounding base 4 is provided with a positioning opening 45 for preventing reverse installation, and the terminal box 1 is provided with a positioning protrusion 14 adapted to the positioning opening 45. In this way, the reverse connection of the terminal box 1 to the ground base 4 can be avoided.

In some embodiments, the seal is injection molded from silicone or rubber.

Of course, in each of the above embodiments, a plurality of connection terminals 2 may be provided (in fig. 5, most of the connection terminals 2 are omitted for the convenience of viewing the bottom of the terminal box 1, and only two connection terminals 2 are retained), similarly, a plurality of first mounting holes 12 corresponding to the connection terminals 2 one to one are also provided in the terminal box 1, a plurality of seal rings 321 corresponding to the connection terminals 2 one to one are provided in the second seal portion 32, a plurality of second mounting holes 44 corresponding to the connection terminals 2 one to one are provided in the ground base 4, a plurality of metal clips 6 corresponding to the second mounting holes 44 one to one are provided in the conductive ground module, and a plurality of elastic clamping jaws 71 corresponding to the connection terminals 2 one to one are provided in the holding clips 7.

For the injection molding sealing element 3, the processing steps are as follows:

pressing the retaining clip 7 into the terminal box 1;

fixing the upper end of the connection terminal 2 to the holding clip 7 so that the connection terminal 2 is mounted on the bottom of the terminal box 1;

injection molding to form the injection seal member 3.

The assembly process of the conductive grounding module is as follows:

the metal clip 6 is driven into the corresponding second mounting hole 44 in the grounding base 4;

pressing the lower part of the injection molded terminal box 1 into the grounding base 4;

the fastening member 5 is connected to the ground base 4 and the terminal box 1, and thus the conductive ground module is assembled.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. An electrically conductive grounding module, comprising:

2. The conductive grounding module of claim 1, wherein: the injection molding sealing member includes a second sealing portion located at the bottom of the terminal box, the second sealing portion having a sealing ring surrounding the connection terminal.

3. The conductive grounding module of claim 2, wherein: at least one injection molding channel is arranged in the terminal box, one end of the injection molding channel is communicated with the wiring port, and the other end of the injection molding channel is communicated with the bottom of the terminal box;

4. The conductive grounding module of claim 2, wherein: the conductive grounding module further comprises a fastener for keeping the sealing ring and the grounding base in a pressing state, one end of the fastener is connected with the grounding base, and the other end of the fastener is connected with the terminal box.

5. The conductive grounding module of claim 2, wherein: and a sealing plane used for being abutted against the sealing ring is arranged in the connecting port.

6. The conductive grounding module of claim 5, wherein: and a second mounting hole is formed in the sealing plane, and a metal clip used for being connected with the connecting terminal is arranged in the second mounting hole.

7. The conductive grounding module of any of claims 1 to 6, wherein: the conductive grounding module further comprises a retaining clip which is arranged in the wiring port and used for fixing the connecting terminal;

the upper end of the connection terminal is connected to the holding clip.

8. A conductive grounding module as set forth in claim 7 wherein: the lower surface of the retaining clip is provided with an elastic clamping jaw;

9. The conductive grounding module of claim 1, wherein: the grounding base is provided with a positioning hole for preventing reverse installation;

10. The conductive grounding module of any of claims 1 to 6, wherein: the sealing element is formed by injection molding of silica gel or rubber.