CN112701503B

CN112701503B - High-speed three-branch wire connector

Info

Publication number: CN112701503B
Application number: CN202011590584.4A
Authority: CN
Inventors: 庞斌; 刘俊; 钟芸; 侯茂新; 张玉海
Original assignee: Sichuan Huafeng Technology Co Ltd
Current assignee: Sichuan Huafeng Technology Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2022-07-22
Anticipated expiration: 2040-12-29
Also published as: CN112701503A

Abstract

The invention discloses a high-speed three-branch wire connector, which comprises a packaging mechanism and three connector monomers for mounting branch cables; the packaging mechanism comprises a special-shaped gasket, an upper cover body and a lower cover body, wherein arc-shaped grooves which are matched with each other to assemble the connector monomer are arranged at opposite positions of the upper cover body and the lower cover body; a circuit board used for connecting branch cables arranged on the three connector monomers is arranged in a sealing cavity formed after the upper cover body and the lower cover body are fixed together; the special-shaped gaskets are positioned on the contact surface of the upper cover body and the lower cover body and the contact positions of the upper cover body and the lower cover body with the connector monomer; the special-shaped gasket comprises an outer sealing ring for sealing and an inner conducting layer with a conductive shield, wherein the outer sealing ring and the inner conducting layer have the same structure and are connected into a whole through a composite layer.

Description

High-speed three-branch wire connector

Technical Field

The invention relates to a wiring device, in particular to a high-speed three-branch wire connector.

Background

When a bus topology adopted by high-speed data transmission is adopted, a bus can lead out a plurality of branches, and the lead-out mode of the branches is that a section of multi-core cable is usually lapped on the multi-core cable to be used as a branch line; the connection mode of the branch line is that the core wires are connected firstly, then the core wires are connected with the cable for shielding, and the multi-core cables are reliably connected by wrapping layer by layer. Under severe environment, the requirements of electromagnetic shielding and water resistance cannot be met.

Disclosure of Invention

Aiming at the defects in the prior art, the high-speed three-branch wire connector provided by the invention solves the problem of poor reliability of the connection mode of the existing branch line.

In order to achieve the purpose of the invention, the invention adopts the technical scheme that:

the high-speed three-branch wire connector comprises a packaging mechanism and three connector single bodies for mounting branch cables; the packaging mechanism comprises a special-shaped gasket, an upper cover body and a lower cover body, wherein arc-shaped grooves which are matched with each other to assemble the connector monomer are arranged at opposite positions of the upper cover body and the lower cover body;

a circuit board used for connecting branch cables arranged on the three connector monomers is arranged in a sealing cavity formed after the upper cover body and the lower cover body are fixed together; the special-shaped gaskets are positioned on the contact surface of the upper cover body and the lower cover body and the contact positions of the upper cover body and the lower cover body with the connector monomer;

the special-shaped gasket comprises an outer sealing ring for sealing and an inner conducting layer with a conductive shield, wherein the outer sealing ring and the inner conducting layer have the same structure and are connected into a whole through a composite layer.

The invention has the beneficial effects that: when the connector that this scheme of adoption provided is connected many branch cables, at first pass the connector monomer with the cable to wear out the heart yearn from the connector monomer and get into the sealed intracavity that lid and lower lid formed, and on being connected to the circuit board, realize the signal/current transmission of many branch cables through the circuit board.

Because the sealing cavity protects the branch cable joint, the joint does not need to be wrapped layer by layer, the wiring efficiency is greatly improved, and the failure rate is greatly reduced; in addition, the special-shaped gasket has the sealing and shielding effects, so that the wire connector has a good 360-degree electromagnetic shielding effect, and the sealing grade can reach IP 67.

Drawings

FIG. 1 is a perspective view of a high speed three branch connector.

Figure 2 is a top view of a high speed three branch connector.

Fig. 3 is a sectional view taken along a-a in fig. 2.

Fig. 4 is a sectional view taken in the direction B-B in fig. 2.

Figure 5 is an exploded view of a high speed three branch switch.

Fig. 6 is a perspective view of the opposite sex washer.

FIG. 7 is a perspective view of the high speed three branch connector partially broken away.

Wherein, 1, the wire sheath; 2. a shaft sleeve; 3. a seal ring; 4. a first connecting sleeve; 5. a bushing; 6. sealing the wire body; 7. an elastic jacket; 8. a special-shaped retainer ring; 9. a shaped washer; 901. an outer layer sealing ring; 902. compounding layers; 903. an inner conductive layer; 10. a shield case; 11. a wire divider; 12. a second connecting sleeve; 13. a shielding ring; 14. an upper cover body; 15. a circuit board; 16. positioning the flat pin; 17. an elastic guide pin; 18. a lower cover body.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined by the appended claims, and all changes that can be made by the invention using the inventive concept are intended to be protected.

As shown in fig. 1, 2 and 5, the high-speed three-branch connector of the present solution includes a packaging mechanism and three connector units for mounting branch cables; one of the connector units is located at one side, and the other two connector units are located at the same side. The packaging mechanism comprises a special-shaped gasket 9, an upper cover body 14 and a lower cover body 18, wherein arc-shaped grooves which are matched with each other to assemble the connector monomers are arranged at opposite positions of the upper cover body 14 and the lower cover body 18.

The upper cover body 14 and the lower cover body 18 are fixedly installed together through screws, and a circuit board 15 for connecting branch cables installed on the three connector units is installed in a sealing cavity formed by buckling the upper cover body and the lower cover body; the upper cover body and the lower cover body between the connector single bodies on the same side are fixedly connected through a positioning flat pin 16. The shaped gasket 9 is located on the contact surface between the upper cover 14 and the lower cover 18 and the contact position between the upper cover 14 and the lower cover 18 and the connector unit.

The profiled gasket 9 comprises an outer sealing ring 901 for sealing and an inner conductive layer 903 with a conductive shield, wherein the outer sealing ring 901 and the inner conductive layer 903 have the same structure and are connected into a whole through a composite layer 902.

The special-shaped gasket 9 is formed in an injection molding mode, the outer-layer sealing ring 901 is made of silicon rubber, the inner-layer conducting layer 903 is made of conducting rubber, and the composite layer 902 is a mixed layer formed by the silicon rubber and the conducting rubber.

When the high-speed three-branch wire connector is used, cables are assembled on the connector monomers firstly, core wires penetrating out of the three connector monomers are fixed on the circuit board 15, the special-shaped gaskets 9 are installed on the three connector monomers, then the upper cover body 14 and the lower cover body 18 are aligned with the special-shaped gaskets 9, and then the upper cover body 14 and the lower cover body 18 are buckled together quickly through screws, so that the protection of a wire connection point is realized.

The outer sealing ring 901 of the special-shaped gasket 9 plays a role in sealing, so that water and dust can be prevented; the inner conductive layer 903 can function as an electromagnetic shield.

As shown in fig. 6, the inner conductive layer 903 includes a circular ring body sleeved on the end of the connector unit and a rectangular body located between the upper cover 14 and the lower cover 18 and used for connecting the three circular ring bodies. After the special-shaped gasket 9 adopts the structure, the sealing performance of the sealing cavity formed by the upper cover body 14 and the lower cover body 18 can be ensured, so that the problems of sealing and electromagnetic shielding of the upper cover body 14, the lower cover body 18 and three connector monomers are solved, and the special-shaped gasket has the advantages of quick assembly and convenient disassembly.

As shown in fig. 5, two sides of the arc-shaped groove of the lower cover 18 are provided with a slot, and an elastic guide pin 17 contacting with the connector unit is installed in the slot. Specifically, the elastic guide pin 17 contacts with the second connection sleeve 12 of the connector single body, and reliable elastic contact is realized between the upper cover body 14, the lower cover body 18 and the second connection sleeve 12 through the elastic guide pin 17, so that the problem of overlarge resistance between the upper cover body and the second connection sleeve is solved, and the connector has the advantages of being fast in assembly and convenient to disassemble.

As shown in fig. 2, 3, 4, 5 and 7, the connector unit includes a first connection sleeve 4 and a wire divider 11, and both ends of the first connection sleeve 4 are respectively connected with the shaft sleeve 2 and a second connection sleeve 12 through threads; wherein, sealing rings 3 are respectively arranged between the shaft sleeve 2 and the first connecting sleeve 4 and between the first connecting sleeve 4 and the second connecting sleeve 12.

A bushing 5, an elastic jacket 7, a special-shaped retainer ring 8 and a shielding ring 13 are sequentially arranged in a connecting structure formed by the shaft sleeve 2, the first connecting sleeve 4 and the second connecting sleeve 12 from the side of the shaft sleeve 2 to the side of the second connecting sleeve 12; wherein the bushing 5 is not in contact with the elastic jacket 7.

A wire sealing body 6 is clamped in the bushing 5, the small end of the deconcentrator 11 is clamped in the special-shaped retainer ring 8 and the shielding ring 13, a shielding cover 10 is arranged at the contact position of the three parts, and the large end of the deconcentrator 11 is contacted with the inner surface of the second connecting sleeve 12; the wire divider 11 is provided with a plurality of through holes for the core wires of the cable to pass through.

The mutual cooperation of dysmorphism rand 8 and shielding circle 13 can realize the fixed of cable, can also guarantee the shielding property of heart yearn department simultaneously.

As shown in fig. 2 and 5, the special-shaped collar is conical, the outer surface of one end of the special-shaped collar is provided with a plurality of convex keys, the convex keys are embedded into the clamping grooves formed on the inner surface of the second connecting sleeve 12, and the other end of the special-shaped collar 8 is in contact with the shielding ring 13. The convex key can play the effect of preventing changeing to the cable, combines shielding circle 13 can play the shielding effect again, can guarantee ground connection again.

As shown in fig. 2, the first connecting sleeve 4 is a stepped shaft, the transition surface between the large end and the small end is a conical surface, and the two ends of the bushing 5 are respectively contacted with the sleeve 2 and the transition surface. The two ends of the wire sealing body 6 are both arranged into conical bodies, and the conical surfaces of the conical bodies on the two sides are inclined from the middle part to the two sides; the inner surface of the bushing 5 close to the side of the wire sealing body 6 is arranged into a conical surface matched with the wire sealing body 6.

The unique setting of first connecting sleeve 4, the sealing body 6 and the bush 5 structure, in case the back is fixed in the connector monomer to the cable, no matter be with the cable towards the 14 direction promotion of last lid, still towards the direction pulling of keeping away from last lid 14, the sealing body 6 and the cooperation of both sides conical surface can both realize the stable fixed of cable.

In implementation, the elastic clamping sleeve 7 is preferably arranged at the small end of the first connecting sleeve 4, a plurality of clamping jaws which are enclosed to form a conical body are arranged on the side of the elastic clamping sleeve, which is close to the transition surface, and a plurality of groove bodies for clamping cables are arranged on the inner surface of each clamping jaw.

The first connecting sleeve 4 is the conical surface with the face that the jack catch contacted, and this conical surface can make the jack catch shrink with mutually supporting of jack catch and hold tightly the cable, and the setting of reunion cell body can make cable surface insulation layer warp when the jack catch holds tightly the cable, and it is internal to sink into the cell to guarantee the stability after the cable is fixed.

The cooperation of the wire sealing body 6 and the first connecting sleeve 4 and the cooperation of the first connecting sleeve 4 and the elastic clamping sleeve 7 can carry out multiple clamping to the cable to improve the anti ability of dragging of cable, further can guarantee the stability of many branch cable junctions, in order finally to reach the life who improves the junction.

As shown in fig. 5, the connector unit further includes a wire sheath 1, and an annular protrusion at one end of the wire sheath 1 is inserted into an annular groove on the inner surface of the sleeve 2. The arrangement of the wire sheath 1 can ensure the sealing performance of the end part of the connector monomer.

In conclusion, the wire connector provided by the scheme can protect the connection position of the branch cables, the connection position does not need to be wrapped layer by layer, the wiring efficiency is greatly improved, and the fault rate is greatly reduced; in addition, the special-shaped gasket 9 has the sealing and shielding functions, so that the wire connector has a good 360-degree electromagnetic shielding effect, and the sealing grade can reach IP 67.

Claims

1. The high-speed three-branch wire connector is characterized by comprising a packaging mechanism and three connector single bodies for mounting branch cables; the packaging mechanism comprises a special-shaped gasket, an upper cover body and a lower cover body, wherein arc-shaped grooves which are matched with each other to assemble a connector monomer are arranged at opposite positions of the upper cover body and the lower cover body;

the special-shaped gasket comprises an outer sealing ring for sealing and an inner conducting layer with a conductive shield, wherein the outer sealing ring and the inner conducting layer have the same structure and are connected into a whole through a composite layer;

the connector monomer comprises a first connecting sleeve and a deconcentrator, and two ends of the first connecting sleeve are respectively connected with the shaft sleeve and the second connecting sleeve through threads; a bushing, an elastic jacket, a special-shaped retainer ring and a shielding ring are sequentially arranged in a connecting structure formed by the shaft sleeve, the first connecting sleeve and the second connecting sleeve from the side of the shaft sleeve to the side of the second connecting sleeve;

a wire sealing body is clamped in the bushing, the small end of the deconcentrator is clamped in the special-shaped retainer ring and the shielding ring, a shielding cover is arranged at the contact position of the special-shaped retainer ring and the shielding ring, and the large end of the deconcentrator is in contact with the inner surface of the second connecting sleeve; and a plurality of through holes for the core wires of the cables to penetrate out are arranged on the deconcentrator in a penetrating manner.

2. The high-speed three-branch connector according to claim 1, wherein the inner conductive layer comprises a torus sleeved on the end of the connector body and a cuboid between the upper cover and the lower cover for connecting the three tori.

3. The high-speed three-branch wire connector according to claim 1, wherein the lower cover has slots formed on both sides of the arc-shaped slot, and the slots are provided therein with elastic guide pins contacting with the connector units.

4. A high-speed three-branch wire connector according to claim 1, wherein the shaped collar is tapered, and has a plurality of protruding keys formed on an outer surface of one end thereof, the protruding keys being fitted into slots formed on an inner surface of the second connecting sleeve, and the other end of the shaped collar being in contact with the shield ring.

5. A high speed three branch connector according to claim 1 wherein the first connection sleeve is a stepped shaft and the transition surfaces of the large and small ends of the shaft are tapered surfaces, the ends of the sleeve contacting the sleeve and the transition surfaces, respectively.

6. The high-speed three-branch wire connector according to claim 5, wherein two ends of the wire sealing body are provided with conical bodies, and conical surfaces of the conical bodies on two sides are inclined from the middle part to two sides; the inner surface of the lining close to the side of the wire sealing body is provided with a conical surface matched with the wire sealing body.

7. The high-speed three-branch connector according to claim 5, wherein the elastic jacket is located at the small end of the first connecting sleeve, a plurality of jaws enclosing to form a conical body are arranged on the side of the elastic jacket adjacent to the transition surface, and a plurality of grooves for clamping cables are arranged on the inner surface of each jaw.

8. The high speed three branch connector of claim 1 wherein the connector body further includes a grommet having an annular projection at one end thereof received in an annular recess in the inner surface of the boss.