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CN-224233026-U - Buckle type connector for nuclear power station monitoring equipment

CN224233026UCN 224233026 UCN224233026 UCN 224233026UCN-224233026-U

Abstract

The application relates to a buckle type connector for nuclear power station monitoring equipment, which comprises a socket and a plug, wherein an inserting cavity is formed in the socket, an opening is formed in one end of the inserting cavity, a pin is fixed at the other end of the socket, a locking groove is formed in the inner wall of the inserting cavity, the plug comprises a plug shell, a buckle and a plug inner core, the plug shell is slidably sleeved on the periphery of the plug inner core, a gap is formed between the plug inner core and the plug shell, the buckle is fixed in the gap, a buckle boss protruding towards the plug shell is arranged at one end of the buckle, a locking hole is formed in the plug shell at a position corresponding to the buckle boss, so that the buckle boss penetrates through the locking hole and is blocked on the inner wall of the locking groove when a plug head is inserted into the socket, or the buckle boss is close to the plug inner core and separated from the inner wall of the locking groove under the extrusion of the edge of the locking hole when the plug shell moves towards the tail direction relative to the plug inner core. The application has the effect that the connector plug and the socket can be quickly plugged and unplugged.

Inventors

  • ZHANG TAIBIN
  • TANG JIE
  • ZHANG YUANYUAN

Assignees

  • 深圳市鸿万科电子有限公司

Dates

Publication Date
20260512
Application Date
20250427

Claims (9)

  1. 1. A snap-in connector for a nuclear power plant monitoring device, comprising: The socket comprises a socket body (1), wherein an inserting cavity is formed in the socket body (1), an opening is formed in one end of the socket body (1) in the inserting cavity, a contact pin (11) is fixed at the other end of the socket body (1), and a locking groove (12) is formed in the inner wall of the inserting cavity; Plug (2), plug (2) have a head and a afterbody, plug (2) include plug shell (21), buckle (22), plug inner core (23), plug shell (21) slidable cup joint in the periphery of plug inner core (23), plug inner core (23) with have the clearance between plug shell (21), buckle (22) are fixed in the clearance, and the one end of buckle (22) is equipped with towards buckle boss (221) of plug shell (21) protrusion, plug shell (21) are equipped with hasp hole (211) in the position of corresponding buckle boss (221) so that plug (2) when the head inserts socket (1) buckle boss (221) pass hasp hole (211) and butt in the inner wall of hasp groove (12), perhaps plug shell (21) are relative plug inner core (23) are towards when the afterbody direction removes, buckle boss (221) is in hasp hole (211) is close to under the inner core (23) extrusion border and breaks away from plug inner core (12).
  2. 2. A buckle type connector for nuclear power station monitoring equipment according to claim 1, wherein the buckle (22) is a hollow cylinder sleeved on the periphery of the plug inner core (23), a plurality of buckle strips (222) are circumferentially arranged on the hollow cylinder at intervals, notches extending along the axial direction of the hollow cylinder are formed in two sides of each buckle strip (222), and the buckle boss (221) is located at one end, close to the head, of each buckle strip (222).
  3. 3. A snap-in connector for a nuclear power plant monitoring device according to claim 2, wherein a head limit boss (231) is arranged at one end of the plug inner core (23) close to the head, a tail limit boss (232) is arranged at one end of the plug inner core (23) close to the tail, and the snap-in (22) is located between the head limit boss (231) and the tail limit boss (232).
  4. 4. A snap-in connector for a nuclear power plant monitoring device according to claim 3, wherein the outer wall of the plug inner core (23) near one end of the tail is provided with threads, and the tail limiting boss (232) is fixed on the plug inner core (23) through threads.
  5. 5. A snap-in connector for a nuclear power plant monitoring device according to claim 1, wherein the outer wall of the plug inner core (23) is provided with a snap-in groove, the snap-in (22) is embedded in the snap-in groove, a gap is arranged between one end of the snap-in (22) close to the head and the snap-in groove, and one end of the snap-in (22) close to the tail is abutted with the snap-in groove.
  6. 6. A snap-on connector for a nuclear power plant monitoring device according to any one of claims 1-5, wherein the surface of the snap-on boss (221) pressed by the edge of the snap-on hole (211) is a bevel or a cambered surface.
  7. 7. A snap-on connector for a nuclear power plant monitoring device according to claim 1, wherein the plug core (23) is provided with a head protrusion at an end close to the head, the plug core (23) is provided with a tail protrusion at an end close to the tail, the plug housing (21) is located between the head protrusion and the tail protrusion, when the plug (2) is inserted into the socket (1), an end face of the plug housing (21) close to the head abuts against the head protrusion, and when the plug (2) is pulled out from the socket (1), an end face of the plug housing (21) close to the tail abuts against the tail protrusion.
  8. 8. The snap-on connector for a nuclear power plant monitoring device according to claim 1, wherein the plug (2) is further provided with a locating pin (3), the plug housing (21) is provided with a locating pin groove (212), and one end of the locating pin (3) is in threaded connection with the locating pin groove (212); the socket (1) is provided with a guide opening (13) facing the tail part at a position corresponding to the positioning pin (3), and when the plug (2) is inserted into the socket (1), the other end of the positioning pin (3) enters the guide opening (13).
  9. 9. A snap-on connector for a nuclear power plant monitoring device according to claim 8, characterized in that the width of the guide opening (13) decreases gradually in the direction from the tail to the head.

Description

Buckle type connector for nuclear power station monitoring equipment Technical Field The application relates to the technical field of connectors, in particular to a buckle type connector for monitoring equipment of a nuclear power station. Background The nuclear power connector is used as a key interconnection component of the electrical system of the nuclear power station, and in view of the specificity of the nuclear power environment, not only is the strict radiation protection requirement met, but also the leakage of radioactive substances is required to be prevented, so that the safety and reliability requirements of the nuclear power connector are very strict. During the period of regular shutdown maintenance, in order to improve the maintenance efficiency, especially for non-critical devices such as peripheral monitoring sensors, the connector needs to have a fast plugging function. However, the connection scheme commonly adopted in the current nuclear power station still has obvious limitation, most connectors for the nuclear power station still adopt a fixing mode of directly welding a contact pin and a wire, the welding point is required to be cut off during maintenance in the traditional design, the operation is complex and irreversible, the connector of the nuclear power station after partial improvement is fixed in a threaded or limit post fixing mode, and the fixing mode simplifies the dismounting process to a certain extent but still cannot meet the requirement of quick plugging. Disclosure of utility model In order to solve the problems in the technical background, the application provides a buckle type connector for nuclear power station monitoring equipment, which meets the requirement of quick plugging and unplugging of a nuclear power connector. The technical scheme of the application is as follows: A snap-in connector for a nuclear power plant monitoring device, comprising: The socket is internally provided with a plug cavity, one end of the plug cavity is provided with an opening, the other end of the socket is fixedly provided with a contact pin, and the inner wall of the plug cavity is provided with a locking groove; The plug comprises a plug shell, a buckle and a plug inner core, wherein the plug shell is sleeved on the periphery of the plug inner core in a sliding mode, a gap is reserved between the plug inner core and the plug shell, the buckle is fixed in the gap, one end of the buckle is provided with a buckle boss protruding towards the plug shell, the plug shell is provided with a locking hole at a position corresponding to the buckle boss, so that the buckle boss penetrates through the locking hole and is blocked on the inner wall of the locking groove when the head of the plug is inserted into the socket, or the buckle boss is close to the plug inner core and is separated from the inner wall of the locking groove under the extrusion of the edge of the locking hole when the plug shell moves towards the tail direction relative to the plug inner core. Preferably, the buckle is cup jointed in the hollow cylinder of the periphery of plug inner core, the circumference of hollow cylinder is equipped with a plurality of interval distribution's buckle strip, every buckle strip's both sides all are equipped with along hollow cylinder axial extension's breach, the buckle boss is located the buckle strip is close to the one end of head. Preferably, the plug inner core is close to the one end of head is equipped with the spacing boss of head, the plug inner core is close to the one end of afterbody is equipped with the spacing boss of afterbody, the buckle is located between the spacing boss of head and the spacing boss of afterbody. Preferably, the outer wall of the plug inner core, which is close to one end of the tail part, is provided with threads, and the tail part limiting boss is fixed on the plug inner core through threads. Preferably, the outer wall of the plug inner core is provided with a buckle groove, the buckle is embedded in the buckle groove, a gap is reserved between one end of the buckle, which is close to the head, and the buckle groove is abutted to one end of the buckle, which is close to the tail. Preferably, the surface of the buckle boss extruded by the edge of the locking hole is an inclined plane or an arc surface. Preferably, the plug inner core is provided with a head protruding block at one end close to the head, the plug inner core is provided with a tail protruding block at one end close to the tail, the plug outer shell is located between the head protruding block and the tail protruding block, when the plug is inserted into the socket, the end face, close to the head, of the plug outer shell abuts against the head protruding block, and when the plug is pulled out from the socket, the end face, close to the tail, of the plug outer shell abuts against the tail protruding block. Preferably, the plug is further provided with a positioning pin, the plug shell