Fully-sealed European-style front joint

Abstract

The utility model relates to a fully-sealed European-style front connector. The technical problem to be solved by the utility model is to provide a fully-sealed European-style front joint. According to the technical scheme, the front connector comprises a front connector shell, a switch cabinet sleeve, a cable, a crimping terminal, a screw and a fastening ring assembly, the fastening ring assembly comprises a fastening ring, the switch cabinet sleeve comprises a sleeve base, a sleeve butt-joint boss and a sleeve cone, a fastening ring positioning groove is formed in the sleeve butt-joint boss, and the sleeve cone is connected with the sleeve base. The front connector butt joint opening comprises a front connector first sealing groove and a front connector second sealing groove, and the sleeve cone is in interference fit with the front connector second sealing groove. Compared with the prior art, the front connector has the advantages that the design of the fastening ring assembly enables the connection between the front connector and the switch cabinet sleeve to be more stable and firmer, the looseness or dislocation of the butt joint caused by external force or vibration in long-term use is effectively prevented, and the reliability of equipment operation is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of full-sealed european front joints. BACKGROUND

[0002] Full-sealed european front joint is a kind of connecting device in high-voltage cable system, is widely used in substation, switch cabinet and so on occasion, for the sealed connection between cable and equipment. Its main function is to ensure the insulation performance, waterproofness and weather resistance of cable joint, while bearing mechanical stress, ensure the safe operation of power system. The existing full-sealed european front joint has the following defects when using: front joint and switch cabinet sleeve installation butt joint firmness is general, long-term use is prone to misplacement or loosening under the action of external force and other factors, thereby affecting insulation performance and equipment operation stability, and improvement optimization is carried out for this. SUMMARY

[0003] To solve the above problems, the technical problem to be solved by the utility model is to provide a kind of full-sealed european front joint.

[0004] The utility model full-sealed european front joint adopts the technical scheme: including front joint shell, the front joint shell is equipped with the front joint butt joint portion of transverse arrangement and the cable placement portion of vertical arrangement and with the front joint butt joint portion is connected, the front joint butt joint portion is equipped with front joint butt joint, the cable placement portion is equipped with the cable inlet of with the front joint butt joint is connected, it is characterized in that still including the switch cabinet sleeve placed in the front joint butt joint, the cable placed in the cable inlet, the crimping terminal being connected with the cable end, the screw rod being placed on the switch cabinet sleeve and being perpendicular to the crimping terminal butt joint, fastening ring assembly, the fastening ring assembly includes fastening ring, the switch cabinet sleeve includes sleeve base, sleeve butt joint boss and sleeve cone, the sleeve butt joint boss is equipped with the fastening ring positioning slot for the fastening ring installation positioning, the front joint butt joint includes the front joint first sealing groove corresponding with the sleeve butt joint boss and the front joint second sealing groove corresponding with the sleeve cone, the sleeve cone and the front joint second sealing groove are interference fit;

[0005] The fastening ring is equipped with fastening ring adjusting port, the front joint first sealing groove is equipped with fastening ring limiting slot corresponding with the fastening ring positioning slot and for the fastening ring limiting, the front joint butt joint is equipped with front joint tightness port corresponding with the fastening ring limiting slot at the fastening ring limiting slot.

[0006] The fastening ring both ends are equipped with fastening ring tightness hole corresponding with the front joint tightness port at the fastening ring adjusting port.

[0007] The fastening ring positioning column is opposite to the sleeve inner positioning hole after passing through the fastening ring butt joint hole.

[0008] The number of the front joint loose mouths is two, the fastening ring butt joint hole is arranged opposite to the fastening ring adjusting mouth, and the fastening ring butt joint hole corresponds to the front joint loose mouth.

[0009] The full-sealed European front joint has the advantages that the design of the fastening ring assembly makes the connection of the front joint and the switch cabinet sleeve more stable and firm, effectively prevents the loosening or misplacement of the butt joint due to external force or vibration in long-term use, and significantly improves the reliability of equipment operation; the structure of the fastening ring adjusting mouth and the fastening ring loose hole makes the loose adjustment more rapid and simple to operate, and facilitates the later installation and disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0011] Figure 1 It is a sectional view of the full-sealed European front joint of the utility model;

[0012] Figure 2 It is a structural schematic view of the switch cabinet sleeve of the utility model;

[0013] Figure 3 It is a structural schematic view of the front joint shell of the utility model;

[0014] Figure 4 It is a sectional view of the front joint shell of the utility model;

[0015] Figure 5 It is an exploded view of the fastening ring assembly of the utility model. DETAILED DESCRIPTION

[0016] As Figures 1-5The utility model relates to a full sealing european type front joint, including front joint casing 1, be equipped with the front joint butt joint department 7 of horizontal arrangement and the cable placement department 8 of vertical setting and with the front joint butt joint department 7 intercommunication in front joint casing 1, be equipped with front joint butt joint 14 in front joint butt joint department 7, be equipped with cable placement entry 15 with front joint butt joint 14 intercommunication in cable placement department 8, still include the switchgear sleeve 2 of being placed in front joint butt joint 14, the cable 3 of being placed in cable placement entry 15, the crimp terminal 4 with the end of cable 3 is connected, the screw rod 5 of being placed on switchgear sleeve 2 and with crimp terminal 4 vertical butt joint, fastening ring assembly 6, fastening ring assembly 6 includes fastening ring 20, switchgear sleeve 2 includes sleeve base 10, sleeve butt joint boss 11 and sleeve nucleus 12, be equipped with fastening ring positioning slot 16 for fastening ring 20 installation positioning in sleeve butt joint boss 11, front joint butt joint 14 includes with sleeve butt joint boss 11 corresponding front joint first sealing groove 17 and with sleeve nucleus 12 corresponding front joint second sealing groove 18, sleeve nucleus 12 with front joint second sealing groove 18 is interference fit;Fastening ring 20 is equipped with fastening ring adjusting mouth 22, front joint first sealing groove 17 is equipped with with fastening ring positioning slot 16 corresponding and for fastening ring 20 limit fastening ring limit slot 19, front joint butt joint 14 is equipped with with fastening ring limit slot 19 intercommunication front joint tight mouth 23 at fastening ring limit slot 19, the design of fastening ring assembly 6, through front joint tight mouth 23 to fastening ring adjusting mouth 22 adjustment realizes the further locking between front joint casing 1 and switchgear sleeve 2, make the connection of front joint casing 1 and switchgear sleeve 2 more stable firm, effectively prevent the loose or misplacement of butt joint in long-term use due to external force or vibration, significantly improve the reliability of equipment operation.

[0017] The both ends of fastening ring 20 are equipped with fastening ring tight hole 24 corresponding with front joint tight mouth 23 near fastening ring adjusting mouth 22, which is convenient for personnel to operate with tools, so that the later installation and disassembly is more convenient and fast.

[0018] The fastening ring assembly 6 further includes a fastening ring positioning column 21, the fastening ring positioning slot 16 is equipped with a sleeve inner positioning hole 26, the fastening ring 20 is equipped with a fastening ring butt joint hole 27, the fastening ring positioning column 21 passes through the fastening ring butt joint hole 27 and is opposite to the sleeve inner positioning hole 26, so that the fastening ring is more stable after installation, effectively preventing sliding or displacement, making the fastening ring 20 more reliable.

[0019] The number of the front joint loose mouths 23 is 2, the fastening ring butt joint holes 27 are arranged opposite to the fastening ring adjusting mouths 22, and the fastening ring butt joint holes 27 correspond to the front joint loose mouths 23, so that the layout is more reasonable.

[0020] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fully sealed European-style front connector, comprising a front connector housing (1), wherein the front connector housing (1) is provided with a horizontally arranged front connector mating part (7) and a vertically arranged cable insertion part (8) communicating with the front connector mating part (7), wherein the front connector mating part (7) is provided with a front connector interface (14), and the cable insertion part (8) is provided with a cable insertion port (15) communicating with the front connector interface (14), characterized in that: It also includes a switch cabinet sleeve (2) placed in the front connector interface (14), a cable (3) placed in the cable inlet (15), a crimp terminal (4) connected to the end of the cable (3), a screw (5) placed on the switch cabinet sleeve (2) and perpendicularly connected to the crimp terminal (4), and a fastening ring assembly (6). The fastening ring assembly (6) includes a fastening ring (20). The switch cabinet sleeve (2) includes a sleeve base (10), a sleeve mating boss (11), and a sleeve cone (12). The sleeve mating boss (11) is provided with a fastening ring positioning groove (16) for the installation and positioning of the fastening ring (20). The front connector interface (14) includes a front connector first sealing groove (17) corresponding to the sleeve mating boss (11) and a front connector second sealing groove (18) corresponding to the sleeve cone (12). The sleeve cone (12) and the front connector second sealing groove (18) are interference fit. The fastening ring (20) is provided with a fastening ring adjustment port (22), and the first sealing groove (17) of the front connector is provided with a fastening ring positioning groove (19) corresponding to the fastening ring positioning groove (16) and used for limiting the fastening ring (20). The front connector mating interface (14) is provided with a front connector tightening port (23) at the fastening ring positioning groove (19) that communicates with the fastening ring positioning groove (19).

2. The fully sealed European-style front connector according to claim 1, characterized in that: The fastening ring (20) has fastening holes (24) at both ends near the fastening ring adjustment port (22) that correspond to the front connector tightening port (23).

3. The fully sealed European-style front connector according to claim 1, characterized in that: The fastening ring assembly (6) also includes a fastening ring positioning post (21), the fastening ring positioning groove (16) is provided with a sleeve inner positioning hole (26), the fastening ring (20) is provided with a fastening ring docking hole (27), and the fastening ring positioning post (21) passes through the fastening ring docking hole (27) and is connected to the sleeve inner positioning hole (26).

4. The fully sealed European-style front connector according to claim 3, characterized in that: The number of the front connector tightening port (23) is 2, and the fastening ring mating hole (27) is located directly opposite the fastening ring adjusting port (22). The fastening ring mating hole (27) corresponds to the front connector tightening port (23).

Images