CN214337045U

CN214337045U - Wiring terminal assembly of plug

Info

Publication number: CN214337045U
Application number: CN202120695474.8U
Authority: CN
Inventors: 黄青强; 王丁丁
Original assignee: Ningbo Quanwang Electrical Appliance Co ltd
Current assignee: Ningbo Quanwang Electrical Appliance Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-10-01
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a binding post subassembly of plug, including the fixed subassembly of connecting wire, the fixed subassembly outside of connecting wire is equipped with fixed connection's casing subassembly, and the fixed subassembly of connecting wire includes the screw rod and the crimping structure of being connected with the screw rod, sets up the wiring hole that sets up with the screw rod corresponding operation hole and with the connecting wire cooperation on the casing subassembly, and the operation hole aperture is less than the screw rod maximum external diameter, and the connecting wire can offset with the fixed subassembly of connecting wire after passing the wiring hole. This terminal subassembly of working is through setting up the screw rod in casing subassembly and accomplishing the connection work of connecting wire with the crimping structure that the screw rod is connected, operating personnel can operate the screw rod through the handle hole on the casing subassembly and press from both sides the connecting wire gradually tightly, and the screw rod can't break away from out through the handle hole, has guaranteed the stability of terminal subassembly of working, and simultaneously, casing subassembly has still guaranteed that the crimping structure relevant with the screw rod is in inside casing subassembly all the time, prevents that the crimping structure from breaking away from and influencing the stability of working.

Description

Wiring terminal assembly of plug

Technical Field

The utility model relates to a plug technical field, concretely relates to binding post subassembly of plug.

Background

The plug is a plug, a household AC power plug and a socket, and has a male connector in the shape of a rod or a copper plate, a female connector type power socket which is physically inserted into a slot or a concave hole, and a full name of the plug connector.

The connecting wire with the conductive function is clamped between the screw rod and the crimping structure after rotating through the screw rod and the threads of the crimping structure. The structure has certain defects, when the working time of the connecting terminal of the plug is long or the screw rod is separated from the crimping structure and falls off due to other external force reasons, a lot of troubles are brought to the work, and therefore the problems are urgently needed to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art, provide simple structure, prevent the terminal subassembly of a plug that screw rod and crimping structure that are used for connecting the electric wire drop.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the utility model provides a binding post subassembly of plug, includes the fixed subassembly of connecting wire, the fixed subassembly outside of connecting wire is equipped with fixed connection's casing subassembly, the fixed subassembly of connecting wire include the screw rod and with the crimping structure that the screw rod is connected, casing subassembly is last seted up with the corresponding handle hole of screw rod and the wiring hole that sets up with the connecting wire cooperation, the aperture of handle hole is less than the maximum external diameter of screw rod, the connecting wire passes behind the wiring hole can with the fixed subassembly of connecting wire offsets. The connecting terminal assembly of this plug is through the crimping structure that sets up the screw rod in casing assembly and be connected with the screw rod in order to accomplish the connection work of connecting wire, operating personnel can rotate the operation to the screw rod through the handle hole on the casing assembly and press from both sides the connecting wire tightly gradually, and the screw rod can't break away from through the handle hole, the stability of wiring terminal assembly work has been guaranteed, and simultaneously, casing assembly has still guaranteed that the crimping structure relevant with the screw rod is in inside casing assembly all the time, prevent that the crimping structure from breaking away from and influence the stability of work.

Preferably, the crimping structure comprises a crimping frame and an insertion piece, the insertion piece is in limit connection or fixed connection with the shell assembly, the crimping frame is provided with a through hole penetrating through two opposite sides, the insertion piece penetrates through the through hole, the screw is in threaded connection with the crimping frame, and the through hole corresponds to the wiring hole. This structure makes the connecting wire through accomplish between crimping frame and the inserted sheet that has planar structure and press from both sides tight work, and this has avoided the tradition directly to press the structure at the tight mode of clamp on connecting wire surface through the screw rod and damage the connecting wire to the integrity of connecting wire when connecting has been guaranteed to this structure, electrical fault appears when preventing that the connecting wire from damaging.

Preferably, the crimping frame and the shell assembly are movably connected with each other, and the part of the insertion piece penetrating through the crimping frame is close to the tail end of the screw rod.

Preferably, the end of the plug piece close to the wiring hole is formed by bending towards the screw rod. This structure can play the effect of a direction when the connecting wire penetrates the wiring hole, makes the wiring work of binding post subassembly simpler.

Preferably, the housing assembly comprises a first housing piece and a second housing piece, the first housing piece comprises a mounting matching portion and a limiting housing portion which are integrally connected and communicated, the second housing piece and the limiting housing portion are fixedly connected with each other, and a cavity for accommodating the connecting wire fixing assembly is formed between the second housing piece and the limiting housing portion.

Preferably, the outer side surface of the mounting matching part is provided with a plurality of limiting lugs.

Preferably, the screw includes a nut portion at a head end and a screw portion at a tail end, and a maximum outer diameter of the nut portion is larger than a bore diameter of the operation hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the connecting terminal assembly of this plug is through the crimping structure that sets up the screw rod in casing assembly and be connected with the screw rod in order to accomplish the connection work of connecting wire, operating personnel can rotate the operation to the screw rod through the handle hole on the casing assembly and press from both sides the connecting wire tightly gradually, and the screw rod can't break away from through the handle hole, the stability of wiring terminal assembly work has been guaranteed, and simultaneously, casing assembly has still guaranteed that the crimping structure relevant with the screw rod is in inside casing assembly all the time, prevent that the crimping structure from breaking away from and influence the stability of work.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the present invention.

Fig. 3 is an explosion diagram of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3 in detail, a terminal assembly of a plug includes a fixedly connected housing assembly 1, the housing assembly 1 includes a first housing member 13 and a second housing member 14, the first housing member 13 includes a mounting matching portion 131 and a limiting housing portion 132 integrally connected and communicated with each other, the second housing member 14 and the limiting housing portion 132 are fixedly connected to each other in a manner of either a snap connection or a welding, a cavity for accommodating a connecting wire fixing assembly 2 is formed between the second housing member 14 and the limiting housing portion 132, a plurality of limiting protrusions 1311 are disposed on an outer side surface of the mounting matching portion 131, the limiting protrusions 1311 can be clamped and limited with a housing of the plug, so that the terminal assembly is stably fixed in the housing of the plug, meanwhile, the limiting protrusions 1311 can also be in a gear-like structure, and a gear-like structure is disposed on an outer side surface of the mounting matching portion 131, so that two oppositely disposed terminal assemblies of two plugs can be stably fixed in the housing of the plug The fitting portion 131 is mutually positioned through a structure in which gears are meshed on the outer side face, and the fitting portion 131 can rotate to a certain angle through rotation of the gears, so that the plug can be switched between a two-plug structure and a three-plug structure, wherein the two-plug structure is a parallel structure with two insertion pieces, and a certain angle is formed between the two insertion pieces of the three-plug structure.

The connecting wire fixing component 2 is arranged in the housing component 1, the connecting wire fixing component 2 comprises a screw 21 and a crimping structure 22 connected with the screw 21, the crimping structure 22 comprises a crimping frame 221 and an inserting sheet 222, the crimping frame 221 and the inserting sheet 222 are all electric conductors, the inserting sheet 222 comprises a first inserting sheet 222 and a second inserting sheet 222 which are arranged vertically, the first inserting sheet 222 is correspondingly arranged in the mounting matching part 131 and is mutually limited and connected with a groove-shaped structure on the mounting matching part 131, the second inserting sheet 222 is correspondingly arranged in the limiting housing part 132 and the second housing part 14, therefore, the inserting sheet 222 is limited and connected with the housing component 1, of course, the first inserting sheet 222 in the inserting sheet 222 can also be fixedly connected with the mounting matching part 131, the crimping frame 221 is provided with through holes which penetrate through opposite two sides, and the second inserting sheet 222 in the inserting sheet 222 penetrates through the through holes, the screw 21 is in threaded connection with the crimping frame 221, the crimping frame 221 and the housing assembly 1 are movably connected with each other, that is, the crimping frame 221 is not fixedly connected with the housing assembly 1, and the two can move with each other, and a portion of the insertion piece 222 penetrating through the crimping frame 221 is close to the tail end of the screw 21, that is, the second insertion piece 222 is close to the tail end of the screw 21. The shell assembly 1 is provided with an operation hole 11 corresponding to the screw rod 21 and a wiring hole 12 matched with the connecting wire, wherein the through hole of the crimping frame 221 corresponds to the wiring hole 12, and the end part of the insertion sheet 222 close to the wiring hole 12 is bent towards the screw rod 21 to be formed, so that the connecting wire can play a guiding role when penetrating into the wiring hole 12, and the wiring work of the wiring terminal assembly is simpler. The screw 21 comprises a nut portion 211 at the head end and a thread portion 212 at the tail end, the nut portion 211 is provided with a cross-shaped groove structure for operation by an operator, the maximum outer diameter of the nut portion 211 is larger than the aperture of the operation hole 11, that is, the aperture of the operation hole 11 is smaller than the maximum outer diameter of the screw 21, so that the screw 21 cannot be separated from the operation hole 11 on the housing assembly 1. The connecting wire can be propped against the connecting wire fixing component 2 after passing through the connecting wire hole 12.

When the connector is used, an operator inserts a connecting wire with a conductive function into the through hole of the crimping frame 221 from the connecting hole 12 of the shell assembly 1, the operator uses a tool to screw the cross-shaped groove structure of the screw 21 through the operation hole 11, so that the crimping frame 221 gradually moves towards the screw 21 through the rotation of the screw thread of the screw 21, the gap between the second inserting piece 222 and the inner side surface of the crimping frame 221 far away from the screw 21 gradually decreases until the connecting wire is completely clamped between the second inserting piece 222 and the inner side surface of the crimping frame 221, and the first inserting piece 222 can be connected with a power supply to work. In the process, the screw 21 is always positioned inside the shell assembly 1 and cannot be separated from the operation hole 11 of the shell assembly 1, so that the working stability of the wiring terminal assembly is ensured. Meanwhile, the connecting line is clamped between the crimping frame 221 and the insertion sheet 222 with the plane structure, so that the traditional clamping mode that the connecting line is directly pressed on the surface of the connecting line through the screw 21 is avoided, the structure of the connecting line is prevented from being damaged, the integrity of the connecting line is guaranteed when the connecting line is connected, and the electrical fault is prevented from occurring when the connecting line is damaged.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a binding post subassembly of plug, includes connecting wire fixed component (2), its characterized in that, the connecting wire fixed component (2) outside is equipped with fixed connection's casing subassembly (1), connecting wire fixed component (2) include screw rod (21) and with crimping structure (22) that screw rod (21) are connected, casing subassembly (1) go up seted up with corresponding handle hole (11) of screw rod (21) and wiring hole (12) that set up with the connecting wire cooperation, the aperture of handle hole (11) is less than the maximum external diameter of screw rod (21), the connecting wire passes behind wiring hole (12) can with connecting wire fixed component (2) offset.

2. The terminal assembly of claim 1, wherein the crimping structure (22) includes a crimping frame (221) and a plug tab (222), the plug tab (222) is connected to the housing assembly (1) in a limited or fixed manner, the crimping frame (221) has a through hole penetrating from two opposite sides, the plug tab (222) passes through the through hole, the screw (21) is in threaded connection with the crimping frame (221), and the through hole corresponds to the terminal hole (12).

3. A terminal assembly according to claim 2, wherein said crimping bracket (221) and said housing assembly (1) are movably connected to each other, and said portion of said tab (222) passing through said crimping bracket (221) is located near the rear end of said screw (21).

4. The terminal assembly of a plug according to claim 2, wherein the end of the plug piece (222) adjacent to the terminal hole (12) is bent toward the screw (21).

5. The terminal assembly of claim 1, wherein said housing assembly (1) comprises a first housing member (13) and a second housing member (14), said first housing member (13) comprises a mounting fitting portion (131) and a limiting housing portion (132) integrally connected and communicated, said second housing member (14) and said limiting housing portion (132) are fixedly connected with each other to form a cavity for accommodating said connecting wire fixing assembly (2).

6. The terminal assembly of a plug according to claim 5, wherein a plurality of position-limiting protrusions (1311) are provided on an outer side surface of the mounting engagement portion (131).

7. The terminal assembly of a plug according to claim 1, wherein said screw (21) includes a nut portion (211) at a head end and a screw portion (212) at a tail end, said nut portion (211) having a maximum outer diameter larger than a bore diameter of said operation hole (11).