Search

CN-121983807-A - Single-core connector

CN121983807ACN 121983807 ACN121983807 ACN 121983807ACN-121983807-A

Abstract

The invention discloses a single-core connector, which relates to the technical field of connecting devices and comprises a male connector and a female connector, wherein the male connector is provided with a male pin, a sealing assembly, a piston, a resetting piece, a conducting piece, a first capsule, a second capsule and the like are arranged in the female connector, a first oil cavity is arranged in a mounting cylinder assembly, the piston is in sealing fit with the sealing assembly, the first capsule and the second capsule are sleeved outside the mounting cylinder assembly, a second oil cavity is formed between the first capsule and the mounting cylinder assembly, a third oil cavity is formed between the second capsule and the mounting cylinder assembly, a fourth oil cavity is formed between the second capsule and the inner wall of the female connector, the first oil cavity is communicated with the third oil cavity, the second oil cavity is communicated with the fourth oil cavity, when the male pin pushes the piston and keeps sealing, the discharged oil drives the second capsule to deform through the third oil cavity, and then the fourth oil cavity is extruded to drive the first capsule to deform, the volume is jointly compensated by the double capsules, and the radial size of a single body is effectively reduced through cascade cooperation of the double capsules, and the problem of connection hysteresis is solved.

Inventors

  • ZHANG QIANG
  • QIU QIANJIN
  • MU CHUNFENG

Assignees

  • 海南叁能锐达深海科技有限公司

Dates

Publication Date
20260505
Application Date
20260408

Claims (10)

  1. 1. A single core connector, comprising: the male connector comprises a first main body and a male connector pin, wherein the first main body is provided with a first mounting cavity; The female connector comprises a second main body, a mounting cylinder assembly, a first capsule, a second capsule, a piston, a reset piece and a conductive piece, wherein a second mounting cavity is formed in the second main body, the mounting cylinder assembly is arranged in the second mounting cavity, the mounting cylinder assembly is provided with a first oil cavity and a sealing assembly positioned at an opening of the first oil cavity, the conductive piece is positioned in the first oil cavity, the piston is axially arranged in the first oil cavity in a moving mode and is in sealing fit with the sealing assembly, the first capsule and the second capsule are sleeved on the outer side of the mounting cylinder assembly, a second oil cavity is formed between the first capsule and the mounting cylinder assembly, a third oil cavity is formed between the second capsule and the mounting cylinder assembly, a fourth oil cavity is formed between the second capsule and the inner wall of the second mounting cavity, the first oil cavity is communicated with the third oil cavity, the second oil cavity is communicated with the fourth oil cavity, the male pin is matched with the piston in an axial mode, the male pin is enabled to be in diameter fit with the piston, when the male pin is in the first oil cavity and is out of the piston, the second capsule is driven to be in a sliding mode, and the second capsule is in a sliding mode, and the piston is in a sliding mode.
  2. 2. The single-core connector of claim 1, wherein the male connector further comprises a first spring and a sliding member, the sliding member is slidably disposed on an inner wall of the first mounting cavity, the sliding member is sleeved on an outer side of the male pin, and two ends of the first spring are respectively connected with the first main body and the sliding member.
  3. 3. The single-core connector according to claim 1, wherein the mounting cylinder assembly comprises a first insulating cylinder and a second insulating cylinder which are axially arranged, the first oil cavity and the sealing assembly are arranged inside the first insulating cylinder, the first capsule is sleeved outside the first insulating cylinder, the second capsule is sleeved outside the second insulating cylinder, the second insulating cylinder is provided with a flow through hole communicated with the third oil cavity, the first insulating cylinder is provided with a flow through hole communicated with the second oil cavity and the fourth oil cavity, and the conductive piece penetrates through the first insulating cylinder and the second insulating cylinder and is provided with an oil conveying channel communicated with the first oil cavity and the flow through hole.
  4. 4. The single core connector of claim 3, wherein the conductive member comprises a first conductive barrel and a second conductive barrel axially connected, the first conductive barrel is positioned in the first insulating barrel, one end of the second conductive barrel is positioned in the first insulating barrel, the other end of the second conductive barrel penetrates through the second insulating barrel and is used for being electrically connected with an external cable, and the second conductive barrel is provided with the oil transmission channel.
  5. 5. The single core connector of claim 4, wherein the piston is movable into the first conductive barrel, the piston is provided with a guide block, the first conductive barrel is provided with a guide groove matched with the guide block, and the guide groove extends along the axial direction of the first conductive barrel.
  6. 6. The single core connector of claim 4, wherein the return member comprises a second spring, the second spring being positioned within the first conductive barrel, the second spring having two ends connected to the piston and the second conductive barrel, respectively.
  7. 7. The single core connector of claim 6, wherein the second conductive barrel is provided with a spring guide, and the second spring is sleeved outside the spring guide.
  8. 8. The single-core connector according to claim 3, wherein the female connector further comprises a connecting cylinder fixed to the second main body, the connecting cylinder is sleeved outside the second capsule, and an inner wall of the connecting cylinder forms a part of an inner wall of the second mounting cavity, so that the fourth oil cavity is formed between the connecting cylinder and the second capsule.
  9. 9. The single-core connector according to claim 8, wherein the female connector further comprises a pressure-bearing member provided on the second main body, the connecting cylinder is provided with a mounting hole for the conductive member to pass through, the outer wall of the pressure-bearing member is provided with a pressure-bearing block, one end of the pressure-bearing member extends into the mounting hole and is abutted to the shaft end of the connecting cylinder, a conductive structure is provided inside the pressure-bearing member, one end of the conductive structure is used for being connected with the conductive member, and the other end of the conductive structure is used for being connected with an external cable.
  10. 10. The single-core connector according to claim 1, wherein the seal assembly comprises a first seal ring and a second seal ring, the first seal ring is located at an opening of the first oil chamber, the second seal ring is located inside the first oil chamber, and the first seal ring and the second seal ring are provided with two seal lips.

Description

Single-core connector Technical Field The invention relates to the technical field of connecting devices, in particular to a single-core connector. Background In some underwater scenarios where the space is relatively narrow, single-core connectors are widely used. The invention patent publication US7112080B2 discloses an electrical connector for use in underwater applications, comprising a male connector with at least one contact pin and a female connector with a contact module, the male and female connectors being engaged in use to form a watertight electrical connection between the at least one contact pin and the contact module, the contact pin of the male connector, when inserted into the female connector, pushing the contact module of the female connector backwards, the contact module occupying a volume of the chamber, causing the movement of oil in the chamber towards the capsule of the female connector, the capsule expanding to maintain hydraulic balance, whereas for single-core connectors of the prior art, the female connector typically has only one capsule, the capsule expanding due to the fixed size of the housing of the female connector, being limited by the housing, causing a hysteresis in the movement of the oil, possibly causing a limited movement of the contact pin, thereby affecting the connection of the male connector and the female connector, and, in addition, to ensure that the single capsule expanding is not limited by the housing of the female connector, the housing needs to be designed with a larger radial dimension, thereby causing the overall single-core connector size to be larger. Disclosure of Invention The invention mainly aims to provide a single-core connector, which aims to solve the technical problem that in the prior art, when a male connector and a female connector of the single-core connector are connected, connection delay or obstruction occurs under the influence of oil liquid and a capsule. To achieve the above object, the present invention provides a single-core connector comprising: the male connector comprises a first main body and a male connector pin, wherein the first main body is provided with a first mounting cavity; The female connector comprises a second main body, a mounting cylinder assembly, a first capsule, a second capsule, a piston, a reset piece and a conductive piece, wherein a second mounting cavity is formed in the second main body, the mounting cylinder assembly is arranged in the second mounting cavity, the mounting cylinder assembly is provided with a first oil cavity and a sealing assembly positioned at an opening of the first oil cavity, the conductive piece is positioned in the first oil cavity, the piston is axially moved to be arranged in the first oil cavity and is in sealing fit with the sealing assembly, the first capsule and the second capsule are sleeved outside the mounting cylinder assembly, a second oil cavity is formed between the first capsule and the mounting cylinder assembly, a third oil cavity is formed between the second capsule and the mounting cylinder assembly, a fourth oil cavity is formed between the second capsule and the inner wall of the second mounting cavity, the first oil cavity is communicated with the third oil cavity, the second oil cavity is communicated with the fourth oil cavity, the male pin is matched with the piston in an axial direction, the male pin is enabled to be in a diameter matching manner, when the male pin is moved to be in the first piston and is in a diameter matching manner, the male pin is driven to be in a piston, the second capsule is driven to be in a common compression mode, and the second capsule is in a piston is driven to be in a volume-phase-change, and is deformed when the first capsule and the second capsule is in the mounting cylinder assembly, and the second capsule is in a sealing assembly. Preferably, the male connector further comprises a first spring and a sliding piece, the sliding piece is arranged on the inner wall of the first mounting cavity in a sliding mode, the sliding piece is sleeved on the outer side of the male pin, and two ends of the first spring are connected with the first main body and the sliding piece respectively. The mounting cylinder assembly comprises a first insulating cylinder and a second insulating cylinder which are axially arranged, wherein the first oil cavity and the sealing assembly are arranged inside the first insulating cylinder, the first capsule is sleeved outside the first insulating cylinder, the second capsule is sleeved outside the second insulating cylinder, the second insulating cylinder is provided with a flow through hole communicated with the third oil cavity, the first insulating cylinder is provided with a flow through hole communicated with the second oil cavity and the fourth oil cavity, the conductive piece penetrates through the first insulating cylinder and the second insulating cylinder, and the conductive piece is provided