A high performance three-proof connection line

Abstract

The invention relates to a high-performance three-proof connecting line; the connecting line comprises a cable and a connector, the connecting line comprises an outer shell, an inner rubber core and an outer rubber part, the inner rubber core is arranged in the outer shell, the inner rubber core is provided with a plurality of spring pins electrically connected to a PCBA board, the outer rubber part is arranged at the bottom of the inner rubber core, a first waterproof ring is arranged between the inner rubber core and the outer rubber part, the outer rubber part is provided with a mounting block, the mounting block is provided with a plurality of PIN pins and a second waterproof ring, the outer shell is provided with a locking screw, and a third waterproof ring is arranged between the locking screw and the outer shell; the beneficial effects of the invention are embodied as follows: the waterproof rings are respectively arranged on the inner rubber core and the outer rubber part by adopting an in-mold forming method as a whole to improve the waterproofness of a single connector and the sealing performance when the male and female ends are connected, thereby enhancing the overall waterproof performance, the locking screw is used to fix the spring pin and the PIN pin to prevent the disconnection caused by vibration, and a waterproof ring is added between the locking screw and the outer shell to further improve the three-proof performance, and the invention is convenient to use and has strong practicality.

Description

Technical Field

[0001] The invention relates to a connecting wire, in particular to a high-performance three-proof connecting wire used for signal transmission above 20 PIN and capable of realizing waterproof, dustproof and vibration-proof. Background Art

[0002] The connector is one of the commonly used components in electronic engineering. It is mainly used to realize the signal transmission bridge between blocked circuits or isolated circuits. The connector is an indispensable component in electronic equipment. It is generally composed of a male connector and a female connector that cooperate with each other. Among the connectors currently on the market for signal transmission above 20PIN, due to the poor sealing effect at the plug-in interface of the existing plug-in connector, water is easily infiltrated at the plug-in interface, resulting in poor overall waterproof performance of the connector, or even failure to achieve the waterproof function, resulting in the male and female ends of the connector failing to reach the IP67 waterproof level alone or when connected, and failing to adapt to operations in different environments, which limits the scope of application of the connector, affects the performance of the connector, is inconvenient to use, and has poor practicality. Summary of the invention

[0003] In order to solve the above problems, the present invention aims to provide a connecting cable, specifically a high-performance three-proof connecting cable used for signal transmission of more than 20 pins and capable of achieving waterproof, dustproof and vibration-proof.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a high-performance three-proof connecting line, including a cable and a connector arranged at the end of the cable, the connector including an outer shell, an inner rubber core and an outer rubber part integrally formed in a mold, the outer shell and the cable are integrally formed, the inner rubber core is arranged in the outer shell, the inner rubber core is provided with a plurality of spring pins electrically connected to the PCBA board, the outer rubber part is arranged at the bottom of the inner rubber core, a first waterproof ring is arranged between the inner rubber core and the outer rubber part, the outer rubber part is provided with a mounting block extending outward, a plurality of PIN pins that are mutually matched and connected with the spring pins are arranged in the mounting block, a second waterproof ring is arranged on the outside of the mounting block, the outer shell is provided with a locking screw that locks the inner rubber core and the outer rubber part in sequence, so that the spring pin and the PIN pin are fixed to each other through the locking screw to prevent the signal from being disconnected due to vibration, and a third waterproof ring is arranged between the locking screw and the outer shell.

[0005] Preferably, an installation cavity is provided inside the shell, the PCBA board and the inner rubber core are sequentially arranged in the installation cavity, and the PCBA board is fixedly arranged on the top of the inner rubber core.

[0006] Preferably, the inner rubber core is provided with a plurality of first mounting holes penetrating through the wall thickness thereof, and a plurality of the spring pins are respectively and correspondingly inserted into the plurality of the first mounting holes, one end of the spring pin is electrically connected to the PCBA board, and the other end is correspondingly electrically connected to the PIN pin.

[0007] Preferably, a positioning groove is provided at the bottom of the inner rubber core, and a first clamping groove is provided at the inner edge of the positioning groove for installing the first waterproof ring. A positioning protrusion matching the positioning groove is provided at the top of the outer rubber component, and the positioning protrusion is clamped in the positioning groove, so that the outer rubber component is fixedly installed on the bottom of the inner rubber core, and the first waterproof ring is pressed into the first clamping groove through the positioning protrusion.

[0008] Preferably, the mounting block is provided with a plurality of second mounting holes penetrating through the wall thickness thereof, and a plurality of PIN needles are respectively and correspondingly inserted into the second mounting holes and cooperate with a plurality of spring needles on the inner rubber core to realize electrical connection.

[0009] Preferably, a second slot is provided on the outer side of the mounting block, and the second waterproof ring is fixedly mounted in the second slot.

[0010] Preferably, the outer shell is provided with a first positioning hole, the PCBA board and the inner rubber core are respectively provided with second positioning holes which are interconnected with the first positioning hole and located on the same axis, the outer rubber part is provided with a third positioning hole which is interconnected with the first positioning hole and the second positioning hole and located on the same axis, and a locking nut is provided in the third positioning hole.

[0011] Preferably, the locking screw is inserted into the first positioning hole and the second positioning hole in sequence from top to bottom, and is screwed into the third positioning hole to be threadedly connected with the locking nut.

[0012] Preferably, locking screws for locking onto the external connecting member are respectively provided on both sides of the outer rubber member.

[0013] Preferably, the outer shell is a soft rubber part formed in a mold, and the inner rubber core and the outer rubber part are both hard rubber parts formed in a mold.

[0014] The beneficial effects of the present invention are as follows: the present invention aims to provide a high-performance three-proof connecting cable, which adopts an in-mold PIN needle molding method as a whole, and respectively arranges waterproof rings on the inner rubber core and the outer rubber part to improve the waterproof performance of a single connector and the sealing when the male and female ends are connected, thereby enhancing the overall waterproof performance. At the same time, the spring pin and the PIN pin are fixed by using a locking screw so that the connector can prevent disconnection caused by vibration, and a waterproof ring is added at the fitting position of the locking screw and the connector, which can further realize the waterproof and dustproof properties of the connector. The three-proof performance is strong, it is convenient to use in different environments, and it is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0016] Figure 2 It is a cross-sectional view of the overall structure of the present invention.

[0017] Figure 3 It is an exploded view of the overall structure of the present invention.

[0018] Figure 4 It is a schematic diagram of the bottom structure of the inner rubber core of the present invention.

[0019] Figure 5 It is a schematic structural diagram of the outer rubber part of the present invention.

[0020] Figure 6 It is a schematic diagram of the bottom structure of the outer rubber part of the present invention.

[0021] Notes on the attached drawings:

[0022] 1-cable; 2-connector; 3-housing; 4-inner rubber core; 5-outer rubber part; 6-PCBA board; 7-spring pin; 8-first waterproof ring; 9-mounting block; 10-PIN pin; 11-second waterproof ring; 12-locking screw; 13-third waterproof ring; 14-mounting cavity; 15-first mounting hole; 16-positioning groove; 17-first card slot; 18-positioning bump; 19-second mounting hole; 20-first positioning hole; 21-second positioning hole; 22-third positioning hole; 23-locking nut; 24-locking screw; 25-second card slot. DETAILED DESCRIPTION

[0023] In the following description, all concepts related to directionality or orientation such as up, down, left, right, front and back are with reference to the position states shown in the drawings being described, and therefore cannot be understood as a special limitation on the technical solution provided by the present invention.

[0024] The specific implementation of the present invention is described in detail below with reference to the accompanying drawings:

[0025] like Figure 1-5As shown, a high-performance three-proof connection line includes a cable 1 and a connector 2 arranged at the end of the cable 1, the connector 2 includes an outer shell 3, an inner rubber core 4 and an outer rubber part 5 integrally formed in a mold, the outer shell 3 is integrally formed with the cable 1, the inner rubber core 4 is arranged in the outer shell 3, the inner rubber core 4 is provided with a plurality of spring pins 7 electrically connected to a PCBA board 6, the outer rubber part 5 is arranged at the bottom of the inner rubber core 4, a first waterproof ring 8 is arranged between the inner rubber core 4 and the outer rubber part 5, the The outer rubber part 5 is provided with a mounting block 9 extending outward, and a plurality of PIN needles 10 are provided in the mounting block 9 and are connected to the spring needle 7 in cooperation with each other. A second waterproof ring 11 is provided on the outer side of the mounting block 9, and the outer shell 3 is provided with a locking screw 12 for locking the inner rubber core 4 and the outer rubber part 5 in sequence, so that the spring needle 7 and the PIN needle 10 are fixed to each other through the locking screw 12 to prevent disconnection caused by vibration, and a third waterproof ring 13 is provided between the locking screw 12 and the outer shell 3.

[0026] Preferably, an installation cavity 14 is provided inside the shell 3 , the PCBA board 6 and the inner rubber core 4 are sequentially arranged in the installation cavity 14 , and the PCBA board 6 is fixedly arranged on the top of the inner rubber core 4 .

[0027] Preferably, the inner rubber core 4 is provided with a plurality of first mounting holes 15 penetrating through the wall thickness thereof, and a plurality of the spring pins 7 are respectively inserted into the plurality of the first mounting holes 15 , one end of the spring pin 7 is electrically connected to the PCBA board 6 , and the other end is correspondingly electrically connected to the PIN pin 10 .

[0028] Preferably, a positioning groove 16 is provided at the bottom of the inner rubber core 4, and a first card slot 17 for installing the first waterproof ring 8 is provided at the inner edge of the positioning groove 16, and a positioning protrusion 18 matching the positioning groove 16 is provided at the top of the outer rubber component 5. The positioning protrusion 18 is clamped in the positioning groove 16, so that the outer rubber component 5 is fixedly installed on the bottom of the inner rubber core 4, and the first waterproof ring 8 is pressed into the first card slot 17 through the positioning protrusion 18.

[0029] Preferably, the mounting block 9 is provided with a plurality of second mounting holes 19 penetrating through the wall thickness thereof, and a plurality of the PIN needles 10 are respectively inserted into the second mounting holes 19 and cooperate with a plurality of the spring needles 7 on the inner rubber core 4 to realize electrical connection.

[0030] Preferably, a second slot 25 is provided on the outer side of the mounting block 9 , and the second waterproof ring 11 is fixedly mounted in the second slot 25 .

[0031] Preferably, the outer shell 3 is provided with a first positioning hole 20, the PCBA board 6 and the inner rubber core 4 are respectively provided with a second positioning hole 21 which is interconnected with the first positioning hole 20 and located on the same axis, and the outer rubber part 5 is provided with a third positioning hole 22 which is interconnected with the first positioning hole 20 and the second positioning hole 21 and located on the same axis, and a locking nut 23 is provided in the third positioning hole 22.

[0032] Preferably, the locking screw 12 is inserted into the first positioning hole 20 and the second positioning hole 21 in sequence from top to bottom, and is screwed into the third positioning hole 22 to be threadedly connected with the locking nut 23 .

[0033] Preferably, locking screws 24 for locking on the external connecting member are respectively provided on both sides of the outer rubber member 5 .

[0034] Preferably, the outer shell 3 is a soft rubber part formed in a mold, and the inner rubber core 4 and the outer rubber part 5 are both hard rubber parts formed in a mold.

[0035] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Technical personnel in this industry can make some deformation and modifications under the inspiration of this technical solution. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A high-performance three-proof connecting cable, characterized by: The invention comprises a cable and a connector arranged at the end of the cable, wherein the connector comprises an outer shell, an inner rubber core and an outer rubber part which are integrally formed in a mold, wherein the outer shell is integrally formed with the cable, wherein the inner rubber core is arranged in the outer shell, wherein the inner rubber core is provided with a plurality of spring pins electrically connected to the PCBA board, wherein the outer rubber part is arranged at the bottom of the inner rubber core, wherein a first waterproof ring is arranged between the inner rubber core and the outer rubber part, wherein the outer rubber part is provided with an outwardly extending mounting block, wherein a plurality of PIN pins which cooperate with the spring pins are arranged in the mounting block, wherein a second waterproof ring is arranged on the outer side of the mounting block, and wherein the outer shell is provided with locking screws which sequentially lock the inner rubber core and the outer rubber part, so as to The spring pin and the PIN pin are fixed to each other by the locking screw to prevent disconnection caused by vibration. A third waterproof ring is arranged between the locking screw and the outer shell. The interior of the outer shell is provided with an installation cavity. The PCBA board and the inner rubber core are sequentially arranged in the installation cavity. The PCBA board is fixedly arranged on the top of the inner rubber core. The outer shell is provided with a first positioning hole. The PCBA board and the inner rubber core are respectively provided with second positioning holes that are interconnected with the first positioning hole and located on the same axis. The outer rubber part is provided with a third positioning hole that is interconnected with the first positioning hole and the second positioning hole and located on the same axis. A locking nut is arranged in the third positioning hole.

2. A high-performance three-proof connecting cable according to claim 1, characterized in that: The inner rubber core is provided with a plurality of first mounting holes penetrating through the wall thickness thereof, and a plurality of the spring pins are respectively inserted into the plurality of the first mounting holes, one end of the spring pin is electrically connected to the PCBA board, and the other end is correspondingly electrically connected to the PIN pin.

3. A high performance three-proof connecting cable according to claim 1, characterized in that: A positioning groove is provided at the bottom of the inner rubber core, and a first clamping groove is provided at the inner edge of the positioning groove for installing the first waterproof ring. A positioning protrusion matching the positioning groove is provided at the top of the outer rubber component. The positioning protrusion is clamped in the positioning groove, so that the outer rubber component is fixedly installed on the bottom of the inner rubber core, and the first waterproof ring is pressed into the first clamping groove through the positioning protrusion.

4. A high performance three-proof connecting cable according to claim 1, characterized in that: The mounting block is provided with a plurality of second mounting holes penetrating through the wall thickness thereof, and a plurality of PIN needles are respectively inserted into the second mounting holes and cooperate with a plurality of spring needles on the inner rubber core to realize electrical connection.

5. A high performance three-proof connecting cable according to claim 4, characterized in that: A second slot is provided on the outer side of the mounting block, and the second waterproof ring is fixedly mounted in the second slot.

6. A high performance three-proof connecting cable according to claim 1, characterized in that: The locking screw is inserted into the first positioning hole and the second positioning hole in sequence from top to bottom, and is screwed into the third positioning hole to be threadedly connected with the locking nut.

7. A high performance three-proof connecting wire according to claim 1, characterized in that: Locking screws for locking on the external connecting piece are respectively arranged on both sides of the outer rubber piece.

8. A high performance three-proof connecting cable according to claim 1, characterized in that: The outer shell is a soft rubber part formed in a mold, and the inner rubber core and the outer rubber part are both hard rubber parts formed in a mold.

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