CN213936628U - 8-core signal connector - Google Patents

Abstract

The utility model discloses an 8-core signal connector, which belongs to the technical field of connectors and comprises an outer sleeve shell, an end shell and an end nut, wherein the outer sleeve shell is internally inserted with the end shell, the inner wall of the outer sleeve shell is embedded with the outer side of the end shell to form a connecting snap ring, the other end of the end shell is sleeved with the inner wall thread of the end nut, an insulator component is inserted in the end shell, the insulator component is close to one end of the outer sleeve shell to form a contact pin, the tail end of the insulator component is connected with a wire pressing ring, the outer side of the wire pressing ring is butted with the inner side of a sealing gasket, the outer side of the sealing gasket is sleeved with a cable clamp, the outer side of the sealing gasket is connected with the end of the cable clamp in a butting way, the end of the cable clamp is butted with the inner part of the end nut, and the outer side of the cable clamp is butted with the end of the end shell; the utility model has small integral structure and volume, saves space and is convenient to operate and install; the contact pin is convenient to disassemble; the connection is safe, stable and reliable, the vibration resistance and the impact resistance are good, and the device can be suitable for long-time work in a train environment.

Description

8-core signal connector

Technical Field

The utility model relates to a connector technical field, in particular to 8 core signal connector.

Background

Structurally, the 8-core connector is provided with a PIN hole in the middle due to arrangement of PIN positions, the normal use is realized by adopting a screw connection mode or a common compression connector, a positioning claw is arranged on the PIN hole, when a product connected with the screw is installed, the problem of screw tightness exists, the loose condition can cause contact, poor contact is caused, the tight condition can easily occur, a core wire copper wire is broken through compression, and in addition, under the environment of train vibration, the screw connected with the screw can also easily become loose; in terms of appearance volume, the diameter of a screw product is 20mm, the screw product occupies relatively large space, and under the condition that a plurality of connectors are used together, the space is relatively small and difficult to operate during insertion; in the use process of the common crimping connector, due to the arrangement problem of the connector, the cable sheath is long to be stripped, otherwise, a needle hole is difficult to be arranged in the connector and is difficult to be taken out after the connector is arranged, a special needle withdrawing tool is used for operation, the operation is not in place, a rubber core can be injured, after the needle hole is arranged, if an operator mistakenly arranges the hole, the situation is more troublesome, the taken-out needle hole is formed, because the positioning claw loses elasticity, the needle hole on the core wire needs to be cut off to re-crimp a replacement part, but the height of the needle hole is inconsistent with that of other needle holes after the needle hole is cut off, other needle holes are cut off together, the operation time is wasted, materials are wasted, and inconvenience is caused to personnel operating on site. Therefore, in this case, it is necessary to develop a connector which occupies a small space and is easy and convenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an 8 core signal connector can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an 8-core signal connector comprises an outer sleeve shell, a tail shell and a tail nut, wherein the tail shell is inserted in the outer sleeve shell, the end part of the outer sleeve shell is flush with the end part of one end of the tail shell, the inner wall of the outer casing and the outer side of the tail casing are embedded with a connecting snap ring, the other end of the tail casing is in threaded sleeve joint with the inner wall of the tail nut, an insulator component is inserted in the tail shell, a contact pin is arranged at one end of the insulator component close to the outer shell, the contact pin is connected with a signal cable, the tail end of the insulator component is connected with a wire pressing ring, the outer side of the wire pressing ring is in butt joint with the inner side of the sealing gasket, the outer side of the end part of the sealing gasket is sleeved with a cable clamp, the outer side of the sealing gasket and the end part of the cable clamp are connected with a sealing ring, the end of the cable clamp is in abutting connection with the inside of the tail nut, and the outer side of the cable clamp is in abutting connection with the end of the tail shell.

Preferably, the outer side surfaces of the outer sleeve shell and the tail nut are provided with hexagons, and the outer side surface of the tail shell is provided with a flat position of a clamping wrench.

Preferably, the joint of the inner part of the jacket shell and the tail shell is provided with a corrugated spring, and the corrugated spring enables the connection of the jacket shell and the tail shell to form a good contact effect.

Preferably, the insulator group comprises an outer insulator and an inner insulator, wherein the inner insulator is provided with a contact pin, the inner insulator is inserted into the outer insulator, and the inner insulator and the outer insulator are provided with matching key positions.

Preferably, the contact pin and the inner insulator are assembled in a side extrusion external arrangement mode, and the contact pin is connected in a connection mode of military pressure welding.

Preferably, the outer side of the outer insulator is provided with a protruding key position and the corresponding tail shell is internally provided with a groove key position, and the protruding key position and the outer side of the tail shell are respectively provided with an arrow mark.

Preferably, the butt joint of the tail shell and the cable clamp adopts a sawtooth structure.

Compared with the prior art, the utility model discloses the beneficial effect who produces is: the utility model has small integral structure and volume, saves space and is convenient to operate and install; the contact pin and the inner insulator are assembled in a side extrusion external placing mode, and the contact pin is convenient to disassemble; the connection is safe, stable and reliable, the arrangement of the corrugated spring and the sealing gasket has good vibration resistance and impact resistance, and the corrugated spring can adapt to long-time work in a train environment.

Drawings

FIG. 1 is a schematic sectional view of the overall structure of the present invention;

FIG. 2 is a perspective view of the overall structure of the present invention;

FIG. 3 is a schematic perspective view of the connection between the outer casing and the tail casing of the present invention;

FIG. 4 is a schematic cross-sectional view of the connection between the outer casing and the tail casing of the present invention;

fig. 5 is a perspective view of the insulator assembly of the present invention;

fig. 6 is a schematic cross-sectional view of an insulator assembly of the present invention;

fig. 7 is a perspective view of the inner insulator of the present invention;

FIG. 8 is a perspective view of the connection between the inner insulator and the contact pin according to the present invention;

fig. 9 is a perspective view of the connection between the tail housing and the insulator assembly of the present invention;

fig. 10 is a perspective view of the connection between the tail housing and the cable clamp of the present invention.

In the figure: 1. a jacket shell; 2. inserting a pin; 3. a wave spring; 4. a snap ring; 5. a tail housing; 6. an insulator assembly; 61. an outer insulator; 62. an inner insulator; 63. matching key positions; 7. pressing a wire ring; 8. a seal ring; 9. a cable clamp; 10. a gasket; 11. a tail nut; 12. hexagonal; 13. clamping a wrench flat position; 14. a convex key position; 15. identifying arrows; 16. and (3) a sawtooth structure.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1, an 8-core signal connector comprises an outer shell 1, a tail shell 5 and a tail nut 11, wherein the outer shell 1 is internally inserted with the tail shell 5, the end part of the outer shell 1 is flush with the end part of one end of the tail shell 5, a connecting snap ring 4 is embedded between the inner wall of the outer shell 1 and the outer side of the tail shell 5, the other end of the tail shell 5 is in threaded socket joint with the inner wall of the tail nut 11, an insulator component 6 is inserted in the tail shell 5, the insulator component 6 is close to one end of the outer shell 1 and provided with a pin 2, the pin 2 is connected with a signal cable, the tail end of the insulator component 6 is connected with a wire pressing ring 7, the outer side of the wire pressing ring 7 is in butt joint with the inner side of a sealing pad 10, the outer side of the end part of the sealing pad 10 is sleeved with a cable clamp 9, the outer side of the sealing pad 10 is connected with a sealing ring 8 with the end part of the cable clamp 9, the tip of cable clamp 9 is contradicted with the inside of afterbody nut 11 and is connected, the outside and the 5 tip of afterbody casing of cable clamp 9 are contradicted and are connected, the butt joint of the tip of sealed pad 10 and insulator subassembly 6's afterbody, and the material of sealed pad 10 is fire prevention import silica gel, can keep good elasticity for a long time in work, especially with the tight place of cable clamp, can form fine sealed effect, separate cable and connector inside, reach waterproof IP67 grade, can also play the damping effect simultaneously at the in-process of train vibration.

As shown in fig. 2, in this embodiment, the lateral surface of overcoat casing 1 and afterbody nut 11 is equipped with hexagonal 12, the lateral surface of afterbody casing 5 is equipped with flat position 13 of card spanner, facilitates the use spanner to consolidate the screw thread, guarantees that connector safe and reliable connects in the use to there is the arrow point sign on afterbody casing 5, conveniently observe the assembly and to inserting the direction, improve production assembly efficiency, overcoat casing 1 and 5 surface design of afterbody casing draw flower stripe, not only beautifully look well, can also make and put stable difficult roll, also make things convenient for manual rotation to tighten when inserting the screw thread cooperation.

As shown in fig. 3-4, in this embodiment, a corrugated spring 3 is assembled at a joint between the inside of the jacket shell 1 and the tail shell 5, the corrugated spring 3 enables the connection between the jacket shell 1 and the tail shell 5 to form a good contact effect, the corrugated spring 3 is compressed to a certain extent to generate a certain elastic force, the jacket shell 1 and the tail shell 5 form a good contact effect through the connection between the corrugated springs 3, and further it is ensured that the connection shielding of the whole outer shell is conducted, and in an environment of high vibration of a train, the corrugated spring 3 also has a buffering and vibration damping effect, so that the threaded connection is prevented from being loosened, and the safety and reliability of the connector are ensured.

As shown in fig. 5-6, in this embodiment, the insulator set 6 includes an outer insulator 61 and an inner insulator 62, the pin 2 is assembled on the inner insulator 62, the inner insulator 62 is inserted into the outer insulator 61, and the inner insulator 62 and the outer insulator 61 are provided with the matching key 63, the insulator component is made of modified PA66, and has good temperature resistance and salt spray performance, can be at a normal working temperature of-40 to +85 ℃, has good toughness, can be assembled into a rubber core after being pressed by a pin hole, can not fall off any longer, and can also play a good connecting role in train vibration, the matching key 63 effectively prevents operation errors, after the inner insulator and the outer insulator are assembled, each pin is separated by an insulator, the creepage distance is increased, the withstand voltage is higher, the mutual interference between the pins is small, and the signal transmission is more stable and faster.

As shown in fig. 7, in this embodiment, the inner insulator 62 is a combined structure, and can be separated into 2 parts, so as to facilitate installation of the middle hole position pin, and then the two parts of insulators are assembled together, and the rest 7-core pins are installed.

As shown in fig. 8, in this embodiment, pin 2 and interior insulator 62 adopt the side extrusion mode of putting outward and assemble, and manual operation gently extrudees from the side and can assemble in place, convenient operation, and production efficiency is high, and dismouting still can be relapse, and the wrong dismouting is assembled to correct hole site, has avoided hole site assembly mistake to cause the condemned loss of spare part, practices thrift the cost, pin 2 wiring adopts the mode of connection of military project crimping, connects reliably stably, and the transmission of network and signal that can fast-speed under high vibration very much, the operation process environmental protection is nuisanceless, and convenient operation is quick, and is simple easy to learn.

As shown in fig. 9, in this embodiment, the protruding key 14 is disposed on the outer side of the outer insulator 61 and the corresponding recessed key is disposed in the tail housing 5, so as to effectively prevent the misassembly direction, and the arrow identifiers 15 are disposed on the protruding key 14 and the outer side of the tail housing 5, so as to quickly observe the assembly of the alignment key.

As shown in fig. 10, in this embodiment, the butt joint of the tail housing 5 and the cable clamp 9 adopts the sawtooth structure 16, which is just matched during assembly, so that it can be effectively ensured that the wire harness cannot rotate when the tail nut is locked, and the bad phenomenon that the wire core inside the outgoing line is twisted, dead and broken is avoided.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (7)

1. An 8-core signal connector, characterized in that: including overcoat casing, afterbody casing and afterbody nut, the tip of grafting afterbody casing and overcoat casing in the overcoat casing and the one end tip parallel and level of afterbody casing, the snap ring is connected with the outside embedding of afterbody casing to overcoat shells inner wall, the other end of afterbody casing cup joints with the inner wall screw thread of afterbody nut, grafting insulator subassembly in the afterbody casing, insulator subassembly is close to the one end installation contact pin of overcoat casing, the trailing end connection wire clamping ring of insulator subassembly, the sealed inboard that fills up of outside butt joint of wire clamping ring, the cable clamp is cup jointed in the sealed tip outside of filling up, the outside that fills up has the sealing washer with the end connection of cable clamp, the tip of cable clamp is contradicted with the inside of afterbody nut and is connected, the outside and the afterbody casing tip of cable clamp are contradicted and are connected.

2. An 8-core signal connector according to claim 1, wherein: the outer lateral surface of overcoat casing and afterbody nut is equipped with the hexagonal, the lateral surface of afterbody casing is equipped with the flat position of card spanner.

3. An 8-core signal connector according to claim 1, wherein: and a corrugated spring is assembled at the joint of the inner part of the outer casing and the tail casing.

4. An 8-core signal connector according to claim 1, wherein: the insulator group comprises an outer insulator and an inner insulator, wherein a contact pin is assembled on the inner insulator, the inner insulator is spliced with the outer insulator, and matching key positions are arranged on the inner insulator and the outer insulator.

5. An 8-core signal connector according to claim 4, wherein: the contact pin and the inner insulator are assembled in a side extrusion external placing mode, and the contact pin is connected in a crimping connection mode.

6. An 8-core signal connector according to claim 4, wherein: the outer side of the outer insulator is provided with a protruding key position and corresponds to the protruding key position, a groove key position is arranged in the tail shell, and arrow marks are arranged on the protruding key position and the outer side of the tail shell.

7. An 8-core signal connector according to claim 1, wherein: the butt joint of the tail shell and the cable clamp adopts a sawtooth structure.

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