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CN-224232530-U - Plug-in wiring terminal of drawer-type circuit breaker

CN224232530UCN 224232530 UCN224232530 UCN 224232530UCN-224232530-U

Abstract

The utility model discloses an inserted wiring terminal of a drawer-type circuit breaker, which comprises a static wiring terminal and a movable wiring terminal, wherein the static wiring terminal comprises a static bracket and a plurality of sockets, the sockets comprise socket shells, the movable wiring terminal comprises a movable bracket and a plurality of plugs, the plugs comprise plug shells, a first mounting cavity for mounting the sockets is arranged on the static bracket, a plurality of first lock bars are arranged at the rear end of the socket shells, a plurality of first lock holes matched with the first lock bars are arranged on the static bracket, the moving direction of the first lock bars inserted into the first lock holes is the same as the direction of the first lock bars, a second mounting cavity for mounting the plugs is arranged on the movable bracket, a plurality of second lock bars are arranged at the rear end of the plug shells, a second lock hole matched with the second lock bars is arranged on the movable bracket, and the moving direction of the second lock bars inserted into the second lock holes is the same as the direction of the second mounting cavities. The utility model has the advantages of stable and reliable structure, very convenient disassembly and assembly, flexible assembly and longer service life.

Inventors

  • XIA KETE
  • XIA QIYUAN
  • XIA LEHAO

Assignees

  • 浙江永奇电气科技有限公司

Dates

Publication Date
20260512
Application Date
20250425

Claims (8)

  1. 1. The plug-in wiring terminal of the drawer-type circuit breaker comprises a static wiring terminal (1) and a movable wiring terminal (2), wherein the static wiring terminal (1) and the movable wiring terminal (2) are in plug-in fit, the static wiring terminal (1) comprises a static bracket (3) and a plurality of sockets (4) which are arranged on the static bracket (3) side by side, the sockets (4) comprise socket housings (5) and first conductive elements (6) which are arranged on the socket housings (5), the movable wiring terminal (2) comprises a movable bracket (7) and a plurality of plugs (8) which are arranged on the movable bracket (7) side by side, the plugs (8) comprise plug housings (9) and second conductive elements (10) which are arranged on the plug housings (9), and when the static wiring terminal (1) and the movable wiring terminal (2) are matched, the plug pin portions (37) are inserted into the corresponding socket portions (38), so that the first conductive elements (6) and the second conductive elements (10) are arranged on the plug housings (9) are in a abutting mode that the first conductive elements (4) are connected with a conducting cavity (11), the socket comprises a socket body and is characterized in that a plurality of first lock bars (12) are arranged at the rear end of the socket body (5), a plurality of first lock holes (13) which are matched with the first lock bars (12) in a clamping mode are formed in the static support (3), the moving direction of the first lock bars (12) inserted into the first lock holes (13) is the same as the direction of the socket body (4) installed into a first installation cavity (11), a second installation cavity (14) for installing a plug (8) is formed in the movable support (7), a plurality of second lock bars (15) are arranged at the rear end of the plug body (9), a second lock hole (16) which is matched with the second lock bars (15) in a clamping mode is formed in the movable support (7), and the moving direction of the second lock bars (15) inserted into the second lock holes (16) is the same as the direction of the plug (8) installed into the second installation cavity (14).
  2. 2. The plug-in wiring terminal of a drawer-type circuit breaker according to claim 1, wherein the first lock rod (12) comprises a first rod body part (17) and at least one first barb part (18) arranged at the end part of the first rod body part (17), a first limiting step (19) which is in limiting fit with the first barb part (18) is arranged in the first lock hole (13), the second lock rod (15) comprises a second rod body part (20) and at least one second barb part (21) arranged at the end part of the second rod body part (20), and a second limiting step (22) which is in limiting fit with the second barb part (21) is arranged in the second lock hole (16).
  3. 3. The plug-in wiring terminal of a drawer-type circuit breaker according to claim 2, wherein the number of the first barb portions (18) is two, a first abdication groove (23) is arranged between the two first barb portions (18), the number of the second barb portions (21) is two, and a second abdication groove (24) is arranged between the two second barb portions (21).
  4. 4. The plug-in connection of a drawer-type circuit breaker according to claim 2, wherein the outer diameter of the first rod body (17) is equal to the inner diameter of the first locking hole (13), and the outer diameter of the second rod body (20) is equal to the inner diameter of the second locking hole (16).
  5. 5. The plug-in wiring terminal of a drawer-type circuit breaker according to any one of claims 1-4, wherein a top plate (25) is integrally arranged at the top of the static support (3), a first limit groove (26) and a second limit groove (27) are respectively arranged at the upper end and the lower end of the socket shell (5), and a first limit protrusion (28) and a second limit protrusion (29) which are matched with the first limit groove (26) and the second limit groove (27) are respectively arranged at the bottom of the first installation cavity (11) of the static support (3) and the bottom of the top plate (25).
  6. 6. The plug-in wiring terminal of a drawer-type circuit breaker according to any one of claims 1-4, wherein the movable support (7) is provided with a support plate (30) corresponding to the inner end of the second installation cavity (14), the support plate (30) is tightly attached to the bottom of the plug shell (9), the support plate (30) is provided with a plurality of positioning protrusions (31), the extending direction of the positioning protrusions (31) is the same as the extending direction of the second lock rod (15), and the bottom of the movable support (7) is provided with positioning holes (32) matched with the corresponding positioning protrusions (31).
  7. 7. The plug-in wiring terminal of the drawer-type circuit breaker according to claim 1, wherein a supporting protrusion (33) is arranged on the side portion of the static support (3), a limiting protruding rib (34) matched with the supporting protrusion (33) is arranged on the side portion of the movable support (7), and when the movable wiring terminal (2) and the static wiring terminal (1) are plugged in place, the bottom end of the limiting protruding rib (34) is abutted against the upper end of the supporting protrusion (33).
  8. 8. The plug-in wiring terminal of the drawer-type circuit breaker according to claim 7, wherein a supporting inclined plane (35) is further arranged at the upper end of the rear side of the static support (3), a movable inclined plane (36) corresponding to the supporting inclined plane (35) is arranged on the plug shell (9), and when the movable wiring terminal (2) and the static wiring terminal (1) are inserted into place, the movable inclined plane (36) is abutted against the supporting inclined plane (35).

Description

Plug-in wiring terminal of drawer-type circuit breaker Technical Field The utility model relates to the technical field of piezoelectric devices, in particular to a plug-in wiring terminal of a fixed drawer-type circuit breaker. Background The circuit breaker is used for connecting an internal circuit and an external power supply circuit in a certain range, and functions as a main switch, so that a drawer-type circuit breaker is commonly used at present for the convenience of maintenance and overhaul. Drawer-type circuit breakers generally comprise two parts, a fixed chassis, the lines on the chassis being connected to a main circuit, a drawer-type circuit breaker body, the lines on the circuit breaker body being connected to an external circuit. In order to connect a main circuit and an external circuit, a general drawer type circuit breaker comprises a movable wiring terminal and a static wiring terminal, wherein the movable wiring terminal is arranged on a body of the circuit breaker and is connected with an internal circuit, the static wiring terminal is arranged on a chassis of the circuit breaker and is connected with the external circuit, and the connection of the whole circuit is completed through the connection of the movable wiring terminal and the static wiring terminal. The China patent of application number 201420837988.2 discloses a binding post of circuit breaker, this binding post includes quiet binding post and moves binding post, wherein, in quiet binding post, the top of socket casing is equipped with the socket bayonet socket, and the lower extreme is equipped with the socket trip, is equipped with spacing rib on the socket casing and is used for fixing between two adjacent vacancy muscle of installing support, and the top is fixed through socket bayonet socket and support fixture block cooperation, and the lower wall passes through socket trip and support bayonet socket cooperation to be fixed, moves binding post mounting means and is the same, and both adopt the mode of buckle connection to assemble. If in the quiet binding post, this buckle structure's socket trip sets up in socket casing lower extreme, at the in-process that the socket casing installed on the installing support, the socket trip can receive the ascending extrusion force of installing support earlier to both can produce extrusion friction, until socket trip and support bayonet socket cooperation, the same socket trip can receive the ascending extrusion force of installing support when dismantling. Because the socket trip is rectangular shape, have front end and installing support striking to lead to the permanent deformation damage's the condition to take place when installing, perhaps used the condition that leads to the socket trip to take place permanent deformation under the vertical force effect to lead to quiet binding post life to shorten, move binding post structure and have this problem equally. Therefore, the structure is very necessary to be improved, so that the structure of the wiring terminal is more reliable and the service life is longer. Disclosure of utility model The utility model aims to provide the plug-in wiring terminal of the drawer-type circuit breaker, which has the advantages of stable and reliable structure, very convenient disassembly and assembly, flexible assembly and longer service life. The plug-in wiring terminal comprises a static wiring terminal and a movable wiring terminal, wherein the static wiring terminal and the movable wiring terminal are in plug-in fit, the static wiring terminal comprises a static bracket and a plurality of sockets which are arranged on the static bracket side by side, the sockets comprise a socket shell and a first conductive element which is arranged on the socket shell, the movable wiring terminal comprises a movable bracket and a plurality of plugs which are arranged on the movable bracket side by side, the plugs comprise a plug shell and a second conductive element which is arranged on the plug shell, in addition, the socket shell and the plug shell are respectively provided with a pin part and a slot part, when the static wiring terminal is matched with the movable wiring terminal, the pin parts are inserted into the corresponding slot parts, so that the first conductive element and the second conductive element are in butt joint to form electric conduction, a first installation cavity for installing the socket is arranged on the static bracket, a plurality of first locking bars are arranged on the rear end of the socket shell, a plurality of first locking bars are arranged on the socket shell and a second locking bars are arranged on the static bracket side by side, in the same direction as the first locking bars are arranged on the first locking bars, a second locking bar is arranged on the socket shell and is matched with the first locking bar, in the second locking bar is arranged on the first locking bar, and the first locking bar is arranged on t