CN219553981U - AC three-core branch connector - Google Patents

Abstract

The utility model discloses an alternating current three-core branch line connector which comprises a branch line plastic shell, branch line contact pins and a cable, wherein three branch line contact pins are arranged, one ends of the three branch line contact pins are fixedly connected with the cable, the other ends of the three branch line contact pins are inserted into the branch line plastic shell, six-petal type buckles matched with the branch line contact pins are arranged in the branch line plastic shell, and the end parts of the branch line contact pins are fixed in the branch line plastic shell through the six-petal type buckles; according to the utility model, the pin buckle in the branch plastic shell is changed into six from two original petals, the thickness and the inward bending angle of the buckle are reduced, the constraint force during the pushing of the pin can be effectively reduced, the elasticity of the buckle can be improved by reducing the thickness of the buckle, the inward bending angle of the buckle is reduced, the pin can be inserted by only needing smaller deformation of the buckle, the constraint force and the required deformation of the buckle are reduced, the elasticity is improved, and finally the pin is easier to clamp in place.

Description

AC three-core branch connector

Technical Field

The utility model relates to the technical field of connectors, in particular to an alternating current three-core branch connector.

Background

The alternating current three-core branch line connector is used in the photovoltaic industry and is connected to the solar micro-inverter to convey the current output by micro-inversion to the bus, so that the functions of conveying electric energy and connecting photovoltaic equipment are achieved;

in the past, the contact pin buckle on the branch line connector plastic shell is two-petal, and the wall thickness is great, and it is comparatively laborious and time-consuming when doing so to assemble the contact pin, and production efficiency is low. In order to improve production efficiency, the pin buckle is improved.

Disclosure of Invention

The utility model aims to provide an alternating current three-core branch line connector, which solves the problems that in the past, a contact pin on a molded shell of the branch line connector is buckled into two parts, the wall thickness is large, the labor and time are wasted when the contact pin is assembled, and the production efficiency is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the alternating current three-core branch connector comprises a branch plastic shell, branch pin and cables, wherein the branch pin is provided with three branch pin ends, one end of each branch pin is fixedly connected with each cable, the other end of each branch pin is inserted into the branch plastic shell, six-petal type buckles matched with the branch pin are arranged in the branch plastic shell, and the end parts of the branch pin are fixed in the branch plastic shell through the six-petal type buckles.

The junction of cable with the branch line contact pin has cup jointed the branch line shell, the both sides of the branch line mould the shell be equipped with branch line shell complex buckle, the branch line shell inboard be equipped with buckle complex draw-in groove, the branch line shell passes through buckle and draw-in groove cooperation joint branch line mould on the shell.

The tail part of the branch plastic shell is provided with an annular groove, and a branch plastic shell sealing ring is sleeved in the annular groove.

And a branch line sealing plug is sleeved at the joint of the tail part of the branch line shell and the cable.

And a branch line pull-resisting device is sleeved at a position, close to the tail part of the branch line shell, on the cable.

And the tail thread of the branch shell is sleeved with a branch nut.

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

according to the utility model, the pin buckle in the branch plastic shell is changed into six from two original petals, the thickness and the inward bending angle of the buckle are reduced, the constraint force during the pushing of the pin can be effectively reduced, the elasticity of the buckle can be improved by reducing the thickness of the buckle, the inward bending angle of the buckle is reduced, the pin can be inserted by only needing smaller deformation of the buckle, the constraint force and the required deformation of the buckle are reduced, the elasticity is improved, and finally the pin is easier to clamp in place.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

FIG. 3 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 4 is a schematic diagram of a top view of a branch plastic shell according to the present utility model;

FIG. 5 is a schematic cross-sectional view of section A-A of FIG. 4;

FIG. 6 is a schematic diagram of a front view of a branch plastic shell according to the present utility model;

FIG. 7 is a schematic side view of a branch plastic shell according to the present utility model;

fig. 8 is a schematic view showing the bottom view of the branch plastic shell according to the present utility model.

In the figure: 1. branch line plastic shell; 2. a spur housing; 3. a branch line sealing plug; 4. a branch line pull-up preventer; 5. a spur nut; 6. a branch pin; 7. a cable; 8. branch plastic shell sealing rings; 9. six-piece buckle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-8, the present utility model provides a technical solution: the alternating current three-core branch connector comprises a branch plastic shell 1, branch pin 6 and a cable 7, wherein the branch pin 6 is provided with three branch pin 6, one end of the three branch pin 6 is fixedly connected with the cable 7, the branch pin 6 and the cable 7 are connected together in a crimping mode, the other end of the three branch pin 6 is inserted into the branch plastic shell 1, six-flap type buckles 9 matched with the branch pin 6 are arranged in the branch plastic shell 1, the end of the branch pin 6 is fixed in the branch plastic shell 1 through the six-flap type buckles 9, in order to facilitate the insertion of the branch pin 6 into the branch plastic shell 1, the pin buckles in the branch plastic shell 1 are changed into six-flap type buckles by the original two-flap type buckles, the thickness and the internal bending angle of the buckles are reduced, the thickness of the buckles can be reduced, the elasticity of the buckles can be improved by reducing the internal bending angle of the buckles, the buckles can be inserted by the buckles only by smaller deformation amount, and the pins are easy to insert, and finally the pins are easier to clamp.

Wherein, cable 7 has cup jointed branch line shell 2 with the junction of branch line contact pin 6, the both sides of branch line mould shell 1 be equipped with branch line shell 2 complex buckle, branch line shell 2 inboard be equipped with buckle complex draw-in groove, branch line shell 2 pass through buckle and draw-in groove cooperation joint mould shell 1 on the branch line, after mould shell 1 inside with the tip of branch line contact pin 6 through six lamella buckle 9 fixation, mould shell 1 with branch line shell 2 joint on the branch line through buckle and draw-in groove cooperation, play the guard action.

The tail of the branch plastic shell 1 is provided with an annular groove, a branch plastic shell sealing ring 8 is sleeved in the annular groove, and the branch plastic shell sealing ring 8 is added between the branch shell 2 and the branch plastic shell 1, so that the tightness between the branch shell 2 and the branch plastic shell 1 is improved.

The joint of the tail part of the branch wire shell 2 and the cable 7 is sleeved with the branch wire sealing plug 3, the position, close to the tail part of the branch wire shell 2, of the cable 7 is sleeved with the branch wire anti-pulling device 4, the tail part of the branch wire shell 2 is sleeved with the branch wire nut 5 in a threaded manner, and before the cable 7 and the branch wire contact pin 6 are crimped together, the branch wire nut 5, the branch wire anti-pulling device 4 and the branch wire sealing plug 3 are sleeved on the cable 7; after the branch line shell 2 and the branch line plastic shell 1 are clamped together through the clamping groove, the branch line sealing plug 3, the branch line anti-pulling device 4 and the branch line nut 5 are sequentially machined to be moved to a position close to the tail part of the branch line shell 2, and then the branch line nut 5 is screwed on the tail part of the branch line shell 2.

Working principle: when the wire inserting device is used, the wire inserting nut 5, the wire anti-pulling device 4 and the wire sealing plug 3 are sleeved on the wire 7, then the wire inserting needle 6 and the wire 7 are connected together in a crimping mode, the end part of the wire inserting needle 6 is fixed inside the wire inserting plastic shell 1 through the six-flap type buckle 9, the wire inserting shell 2 and the wire inserting plastic shell 1 are clamped together through the clamping groove to play a protective role, then the wire sealing plug 3, the wire anti-pulling device 4 and the wire sealing plug 5 are sequentially processed and moved to a position close to the tail part of the wire inserting shell 2, then the wire sealing cap 5 is screwed on the tail part of the wire inserting shell 2, in order to facilitate the wire inserting needle 6 to be inserted into the wire inserting plastic shell 1, the inserting needle buckle in the wire inserting plastic shell 1 is changed into six-flap type buckle from original two-flap type buckle thickness and inner bending angle, the restraining force when the inserting needle is pushed up can be effectively reduced, the buckle thickness is reduced, the elasticity of the buckle is increased, the buckle inner bending angle is reduced, the buckle is enabled to be smaller, the deformation amount is enabled to be inserted into the inserting needle only, and the required final deformation amount is reduced.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims (6)

1. Alternating current three-core branch line connector comprises a branch line plastic shell (1), a branch line contact pin (6) and a cable (7), and is characterized in that: the branch line contact pin (6) is provided with three, three branch line contact pin (6) one end and cable (7) fixed connection, and three branch line contact pin (6) other end inserts to branch line is moulded shell (1) inside, branch line mould shell (1) inside be equipped with branch line contact pin (6) complex six lamella buckle (9), branch line contact pin (6) tip is passed through six lamella buckle (9) are fixed branch line is moulded shell (1) inside.

2. The ac three-wire branch connector of claim 1 wherein: the junction of cable (7) with branch line contact pin (6) has cup jointed branch line shell (2), the both sides of branch line plastic case (1) be equipped with branch line shell (2) complex buckle, branch line shell (2) inboard be equipped with buckle complex draw-in groove, branch line shell (2) are in through buckle and draw-in groove cooperation joint branch line plastic case (1).

3. The ac three-wire branch connector of claim 2 wherein: the tail part of the branch plastic shell (1) is provided with an annular groove, and a branch plastic shell sealing ring (8) is sleeved in the annular groove.

4. The ac three-wire branch connector of claim 2 wherein: and a branch line sealing plug (3) is sleeved at the joint of the tail part of the branch line shell (2) and the cable (7).

5. The ac three-wire branch connector of claim 2 wherein: and a branch line pull-resisting device (4) is sleeved at a position, close to the tail part of the branch line shell (2), on the cable (7).

6. The ac three-wire branch connector of claim 2 wherein: and a branch screw cap (5) is sleeved at the tail part of the branch shell (2) through threads.