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CN-224214913-U - Quick-connect female connector of hydraulic quick-connect connector system

CN224214913UCN 224214913 UCN224214913 UCN 224214913UCN-224214913-U

Abstract

The utility model discloses a quick-plug female connector of a hydraulic quick-plug connector system, relates to the technical field of hydraulic plugs, and can solve the problem that the existing quick-plug female connector only has a single oil way and cannot be hot plugged. The embodiment of the utility model discloses a quick-plug female connector of a hydraulic quick-plug connector system, which is in an independent and plug-in state, wherein the quick-plug female connector comprises a female connector valve core, a retaining cylinder body and a cone valve body, the cone valve body is sleeved on the female connector valve core, the retaining cylinder body is sleeved on the cone valve body, the inner side and the outer side of the cone valve body are respectively connected with the female connector valve core and the retaining cylinder body in a sliding and sealing manner, an inner oil return channel is arranged in the quick-plug female connector, the cone valve body is positioned at the end part of the female connector valve core in an independent state, the inner oil return channel is in a communication state, the cone valve body is positioned in the middle part of the female connector valve core in the plug-in state, and the inner oil return channel is cut off into two channels.

Inventors

  • WANG LIANGJING
  • WU ZHENYUAN
  • ZHANG WENJUN
  • GAO HAILONG
  • WANG YOU
  • ZHANG WENKAI
  • CHEN TAO
  • SHI SIYU
  • GUO CHAO
  • WANG YINGKAI
  • GAO BINGWEN
  • CHEN DADONG

Assignees

  • 四川腾菲克科技有限公司
  • 定西市消防救援支队

Dates

Publication Date
20260508
Application Date
20250610

Claims (10)

  1. 1. The quick-connect female connector of the hydraulic quick-connect connector system is characterized in that the quick-connect female connector (1) has two states of an independent state and a connection state; The quick-connect female connector (1) comprises a female connector valve core (12), a retaining cylinder main body (13) and a cone valve main body (14), wherein the cone valve main body (14) is sleeved on the female connector valve core (12), the retaining cylinder main body (13) is sleeved on the cone valve main body (14), and the inner side and the outer side of the cone valve main body (14) are respectively connected with the female connector valve core (12) and the retaining cylinder main body (13) in a sliding sealing manner; A female joint valve core (12) and an inner oil return channel (33) consisting of a holding cylinder main body (13) and a cone valve main body (14) are arranged in the quick-insertion female joint (1); In an independent state, the cone valve main body (14) is positioned at the end part of the female connector valve core (12), the inner oil return channel (33) is in a communicating state, and the oil inlet end and the oil outlet end of the inner oil return channel (33) are positioned at the same side of the quick-connection female connector (1); In the plugging state, the cone valve main body (14) is positioned in the middle of the female joint valve core (12), the inner oil return channel (33) is cut into two channels, and the oil inlet ends and the oil outlet ends of the two channels are positioned at two sides of the quick-plugging female joint (1).
  2. 2. The quick-connect female connector of a hydraulic quick-connect connector system according to claim 1, wherein the inner peripheral wall of the retaining cylinder body (13) is provided with a retaining cylinder inner conical surface (131) for limiting the cone valve body (14) to slide out of the female connector valve core (12), and a cone valve groove (143) is further provided in the cone valve body (14); A valve core inner hole (121) and a valve core oil outlet (122) are arranged in the female joint valve core (12), the valve core oil outlet (122) is positioned at one end of the valve core inner hole (121) far away from the orifice, a cone valve groove (143) is communicated with the valve core inner hole (121) through the valve core oil outlet (122), a baffle ring structure (123) is further arranged at one side of the female joint valve core (12) far away from the valve core oil outlet (122), and a plurality of female joint oil return ports (124) are arranged on the baffle ring structure (123); One end of the retaining cylinder main body (13) far away from the cone valve main body (14) is sleeved and fixed on the baffle ring structure (123), and a retaining cylinder inner cavity (132) communicated with the cone valve groove (143) is arranged in the retaining cylinder main body (13); The inner oil return channel (33) comprises a valve core inner hole (121), a valve core oil outlet (122), a cone valve groove (143), a retaining cylinder inner cavity (132) and a female joint oil return port (124) which are communicated in sequence.
  3. 3. The quick-connect female connector of claim 2, further comprising a first spring mounted on the female connector core (12), one end of the first spring being biased against the stop ring structure (123) and the other end being biased against an end face within the cone valve recess (143).
  4. 4. The quick-connect female connector of a hydraulic quick-connect connector system of claim 2, wherein the quick-connect female connector (1) further comprises a female connector housing (11), a steel ball mount (16), a floating steel ball (19), and a limit stop ring (18) and a first torsion spring; The steel ball mounting seat (16) is provided with a plurality of steel ball mounting holes (161) distributed along the circumferential direction of the steel ball mounting seat, and the floating steel balls (19) are arranged in the steel ball mounting holes (161); The steel ball mounting seat (16) is sleeved on the retaining cylinder main body (13), the female joint housing (11) is sleeved on the steel ball mounting seat (16), the limiting retainer ring (18) is mounted between the steel ball mounting seat (16) and the female joint housing (11), the first torsion spring is sleeved on the steel ball mounting seat (16), and the limiting retainer ring (18) is propped against the floating steel ball (19) through the first torsion spring.
  5. 5. The quick-connect female connector of a hydraulic quick-connect connector system according to claim 4, characterized in that said quick-connect female connector (1) further comprises a second spring, and a stop-ring body (15) slidingly disposed between the retaining cylinder body (13) and the steel ball mounting seat (16); The outer periphery of the holding cylinder main body (13) is provided with a holding cylinder outer step (133), one end of the second spring is propped against the holding cylinder outer step (133), and the other end is propped against the inside of the baffle ring main body (15).
  6. 6. The quick-connect female connector of the hydraulic quick-connect connector system according to claim 4, wherein a limit step (111) is further arranged in the female connector housing (11), and an annular cavity corresponding to the limit step (111) is arranged between the female connector housing (11) and the steel ball mounting seat (16); a plurality of floating steel balls (19) are all positioned in the annular cavity.
  7. 7. The quick-connect female connector of a hydraulic quick-connect connector system according to claim 4, wherein said quick-connect female connector (1) further comprises a torsion spring seat (17) screwed onto a steel ball mounting seat (16); one end of the first torsion spring is connected to the female connector shell (11), and the other end of the first torsion spring is connected to the torsion spring seat (17).
  8. 8. The quick-connect female connector of a hydraulic quick-connect connector system of claim 7, wherein said ball mount (16) is provided with a stop collar boss (162); The steel ball mounting seat (16) is provided with external threads, the torsion spring seat (17) is provided with internal threads which are matched with the external threads, and the length of the external threads is larger than that of the internal threads.
  9. 9. The quick-connect female connector of a hydraulic quick-connect connector system of claim 8, wherein a side of the torsion spring seat (17) facing away from the stop collar projection (162) is provided with a mounting step (171).
  10. 10. The quick-connect female connector of a hydraulic quick-connect connector system according to claim 1, wherein said cone valve body (14) is provided with an inner ring groove (141) and an outer ring groove (142) for mounting a seal ring; The cone valve main body (14) is respectively connected with the female joint valve core (12) and the holding cylinder main body (13) in a sliding and sealing manner through sealing rings in the inner ring groove (141) and the outer ring groove (142).

Description

Quick-connect female connector of hydraulic quick-connect connector system Technical Field The utility model relates to the technical field of tunnel construction equipment, in particular to a quick-plug female connector of a hydraulic quick-plug connector system. Background The double-acting hydraulic equipment on the market at present adopts a double-pipe double-joint loop forming design, which is inconvenient for the actual use and connection on site. Because the inside of the quick connector cannot form a loop, two hydraulic pipelines and two quick connectors must be equipped for use when the quick connector is used. When stopping working, if need plug quick connector, need make hydraulic power unit stop working earlier or have no pressure in the hydraulic pipe, just can pull out two quick connectors that two hydraulic lines correspond, and if pull out the quick connector when the hydraulic power unit is operated by force, can lead to the inside area pressure of quick connector, cause the circumstances of follow-up unable installation quick connector, and after taking off the quick connector, oil leak, oil seepage phenomenon can appear in the quick connector, therefore, the double-joint that current double-acting hydraulic equipment used, not only need plug twice, do not support hot plug moreover, it is comparatively troublesome to use, its quick connector still is difficult for cleaning simultaneously, need improve or redesign. Based on the above background, the inventors devised a quick-connect female connector of a hydraulic quick-connect connector system, solving at least one of the above problems, and thus, the present application was made. Disclosure of Invention The application aims to provide a quick-connect female connector of a hydraulic quick-connect connector system, which solves the problems that the quick-connect female connector in the prior art only has a single oil way, does not have an oil return channel and cannot support hot plug. In order to solve the technical problems, the utility model adopts the following scheme: The application provides a quick-plug female connector of a hydraulic quick-plug connector system, which has two states, namely an independent state and a plug-in state; The quick-connect female connector comprises a female connector valve core, a retaining cylinder main body and a cone valve main body, wherein the cone valve main body is sleeved on the female connector valve core, the retaining cylinder main body is sleeved on the cone valve main body, and the inner side and the outer side of the cone valve main body are respectively connected with the female connector valve core and the retaining cylinder main body in a sliding sealing manner; A female connector valve core and an inner oil return channel formed by a retaining cylinder body and a cone valve body are arranged in the quick-insertion female connector; In an independent state, the cone valve main body is positioned at the end part of the female joint valve core, the inner oil return channel is in a communicated state, and the oil inlet end and the oil outlet end of the inner oil return channel are positioned at the same side of the quick-plug female joint; In the plug-in state, the cone valve body is positioned in the middle of the valve core of the female connector, the inner oil return channel is cut into two channels, and the oil inlet ends and the oil outlet ends of the two channels are positioned at two sides of the quick-plug female connector. Optionally, an inner peripheral wall of the holding cylinder main body is provided with an inner conical surface of the holding cylinder for limiting the cone valve main body to slide out of the female joint valve core, and a cone valve groove is further formed in the cone valve main body; The female joint valve core is internally provided with a valve core inner hole and a valve core oil outlet, the valve core oil outlet is positioned at one end of the valve core inner hole far away from the orifice, the cone valve groove is communicated with the valve core inner hole through the valve core oil outlet, one side of the female joint valve core far away from the valve core oil outlet is also provided with a baffle ring structure, and a plurality of female joint oil return ports are arranged on the baffle ring structure; One end of the retaining cylinder main body, which is far away from the cone valve main body, is sleeved and fixed on the baffle ring structure, and a retaining cylinder inner cavity communicated with the cone valve groove is arranged in the retaining cylinder main body; The inner oil return channel comprises a valve core inner hole, a valve core oil outlet, a cone valve groove, a holding cylinder inner cavity and a female joint oil return port which are communicated in sequence. Optionally, the valve further comprises a first spring sleeved on the female joint valve core, one end of the first spring is propped against the baffle ring structure, a