CN209766706U

CN209766706U - Combined insulation structure for high-voltage electric connector

Info

Publication number: CN209766706U
Application number: CN201920788760.1U
Authority: CN
Inventors: 孙越; 王国强; 杨光明
Original assignee: AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Current assignee: AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2019-12-10
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a combination insulation system for high voltage electric connector has solved the current not good problem of insulating nature of curved heavy current electric connector. The utility model discloses a combined insulation structure, which comprises a jack, an insulator, a bent pipe, a first insulation sleeve, a second insulation sleeve, a crimping terminal, a cylindrical head screw, a compression pad and an end cover; the utility model discloses a combination insulation system can wrap up electrified work position completely after the aggregate erection, and withstands the cap screw with compressing tightly the pad and play and prevent the pine and take off the effect for electric connector's functionality and security are all more reliable.

Description

Combined insulation structure for high-voltage electric connector

Technical Field

The utility model relates to a high voltage connector technical field provides a combination insulation system for high voltage electric connector very much.

Background

at present, in the field of high-voltage electric connectors of electric automobiles, the requirement on the insulativity of a bent high-current electric connector is high, particularly the structure of a tail part switching part is complex, and insulation measures need to be strictly controlled. The tail insulation protection of the existing bent electric connector cannot realize all-dimensional insulation covering, and the tail crimping terminal is fixed by usually adopting a locking mode of a flat washer and a spring washer, so that certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a but combination insulation system for high voltage electric connector of aggregate erection, simple structure and safe and reliable.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a combined insulation structure for a high-voltage electric connector comprises a jack, an insulator, a bent pipe, a first insulation sleeve, a second insulation sleeve, a crimping terminal, a cylindrical head screw, a compression pad and an end cover;

The utility model discloses a crimping terminal, including return bend, jack axial installation, the front end cavity of return bend upper end, the crimping terminal is arranged in the lower extreme cavity of return bend and is the vertical direction contact with the jack tail end, and the tail end at the jack is fixed the jack mutually with the top of crimping terminal through the cylinder head screw, the second insulation cover is in the outside of crimping terminal lower extreme suit from return bend lower extreme, the first insulation cover is installed in the top of second insulation cover and the axial is arranged in the cavity of return bend upper end, install the pressure pad at the tail end of cylinder head screw, the pressure pad is arranged in the space that first insulation cover and second insulation cover formed, the end cover passes through the threaded connection mode and installs at the return bend tail end, will compress tightly the pad top tightly.

Furthermore, the tail end of the jack is provided with a threaded hole for mounting a cylindrical head screw.

Furthermore, the periphery of one end of the insulator is provided with a conical cylindrical table which can be inserted to the front end of the first insulating sleeve.

furthermore, the first insulating sleeve is of a hollow cylinder structure, an annular groove is formed in the inner periphery of one end of the hollow cylinder and used for accommodating a conical cylindrical table of the insulator, and an opening penetrating through the hollow cylinder is axially formed in the lower end of the hollow cylinder.

furthermore, the second insulating sleeve is vertically installed with the first insulating sleeve, the second insulating sleeve is a hollow cylinder, U-shaped openings are respectively arranged at corresponding positions on the top cylindrical surface of the hollow cylinder, and protruding parts among the 2U-shaped openings are arranged in the openings at the lower end of the first insulating sleeve.

Furthermore, a round blind hole is formed in the front end of the pressing pad, and the head of the cylindrical head screw is axially arranged in the round blind hole.

Further, the compressing pad is made of silicon rubber materials, can effectively support the cylindrical head screw, and can prevent loosening of the cylindrical head screw while guaranteeing the insulating performance, so that the compression joint terminal is more reliable in contact with the jack.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a combination insulation system can wrap up electrified work position completely after the aggregate erection, and withstands the cap screw with compressing tightly the pad and play and prevent the pine and take off the effect for electric connector's functionality and security are all more reliable.

Drawings

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

FIG. 2 is a schematic view of the structure of the jack;

FIG. 3 is a schematic view of the structure of the insulator;

FIG. 4 is a schematic structural view of a first insulating sleeve;

FIG. 5 is a right side view of the first insulating sleeve;

FIG. 6 is a schematic view of a second insulating sleeve;

FIG. 7 is a schematic view of the installation of the first insulating sleeve and the second insulating sleeve;

FIG. 8 is a schematic view of the construction of the tamp pad;

in the figure: 1-a jack; 1-1-threaded hole; 2-an insulator; 2-1, a conical cylindrical table; 3-bending the pipe; 4-a first insulating sleeve; 4-1-annular groove; 4-2-opening; 5-a second insulating sleeve; 5-1-U-shaped opening; 6-crimp terminal; 7-cylindrical head screw; 8-a compression pad; 8-1-round blind hole; 9-end cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

referring to fig. 1, a combined insulation structure for a high voltage electrical connector includes a jack 1, an insulator 2, a bent tube 3, a first insulation sleeve 4, a second insulation sleeve 5, a crimping terminal 6, a cap screw 7, a pressing pad 8, and an end cap 9; the upper end cavity and the lower end cavity of the elbow 3 are communicated and form a vertical angle;

The utility model discloses a crimping terminal, including return bend 3, jack 1, press-connection terminal 6, crimping terminal, second insulating sleeve 5, first insulating sleeve 4, the jack of return bend 3 is arranged in, insulator 2, the front end cavity of insulator 2, press-connection terminal 6 is arranged in the lower extreme cavity of return bend 3 and is the vertical direction contact with jack 1 tail end, and it is fixed mutually with the top of crimping terminal to pass through cylindrical head screw 7 at the tail end of jack 1, second insulating sleeve 5 is from 3 lower extreme suits of return bend outside at crimping terminal 6 lower extreme, first insulating sleeve 4 is installed in the top of second insulating sleeve 5 and the axial is arranged in the cavity of return bend 3 upper end, tail end at cylindrical head screw 7 installs pressure pad 8, pressure pad 8 is arranged in the space that first insulating sleeve.

referring to fig. 2, the tail end of the jack 1 is provided with a threaded hole 1-1 for mounting a cap screw 7.

Referring to fig. 3, a tapered cylindrical table 2-1 is disposed on the periphery of one end of the insulator 2 and can be inserted into the front end of the first insulating sleeve 4.

Referring to fig. 4-5, the first insulating sleeve 4 is a hollow cylinder, an annular groove 4-1 is formed in the inner circumference of one end of the hollow cylinder to accommodate a tapered cylindrical table 2-1 of the insulator 2, and an opening 4-2 penetrating through the hollow cylinder is axially formed in the lower end of the hollow cylinder.

Referring to fig. 6 to 7, the second insulating sleeve 5 is vertically installed on the first insulating sleeve 4, the second insulating sleeve 5 is a hollow cylinder, U-shaped openings 5-1 are respectively formed at corresponding positions on a cylindrical surface at the top end of the hollow cylinder, and protruding portions between 2U-shaped openings 5-1 are disposed in openings at the lower end of the first insulating sleeve 4.

Referring to fig. 8, a round blind hole 8-1 is formed in the front end of the pressing pad 8, and the head of the cylindrical cap screw 7 is axially arranged in the round blind hole 8-1.

The pressing pad 8 is made of silicon rubber, can effectively support the cylindrical head screw 7, and can prevent the cylindrical head screw 7 from loosening while ensuring the insulating property, so that the pressing terminal 6 is more reliable to contact with the jack 1.

the utility model discloses an insulation system can wrap up electrified work position completely after the aggregate erection, and compresses tightly the pad with end cover 9 fore-set to withstand cylindric head screw 7 and play and prevent the pine effect that takes off, make crimping terminal 6 more reliable with 1 contacts of jack, make electric connector's functionality and security all more reliable.

The process and the implementation of the present invention are explained by using specific examples, and the above description of the examples is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A combined insulation structure for a high-voltage electric connector is characterized by comprising a jack, an insulator, a bent pipe, a first insulation sleeve, a second insulation sleeve, a crimping terminal, a cylindrical head screw, a pressing pad and an end cover;

2. a composite insulation structure for a high voltage electrical connector as claimed in claim 1 wherein said receptacle tail end is provided with a threaded bore for installation of a cap screw.

3. A combined insulating structure for a high-voltage electric connector according to claim 1, wherein said insulator has a tapered cylindrical boss formed on an outer periphery of one end thereof and adapted to be inserted into a front end of the first insulating sleeve.

4. A combined insulating structure for a high-voltage electrical connector according to claim 1, wherein said first insulating sleeve is a hollow cylindrical structure having an annular recess formed in an inner circumference at one end for receiving a tapered cylindrical table of the insulating body, and an opening formed axially through the hollow cylindrical structure at a lower end of the hollow cylindrical structure.

5. A combined insulating structure for a high-voltage electrical connector according to claim 1, wherein the second insulating sleeve is vertically installed with the first insulating sleeve, and the second insulating sleeve is a hollow cylinder, the top end of the hollow cylinder is provided with U-shaped openings at corresponding positions on the cylindrical surface, and the protruding portions between the 2U-shaped openings are disposed in the openings at the lower end of the first insulating sleeve.

6. A composite insulation structure for a high voltage electrical connector as claimed in claim 1 wherein said compression pad is provided with a blind circular hole at the forward end thereof, and the head of the cylinder head screw is axially disposed within the blind circular hole.

7. the combination insulation structure of claim 1, wherein the pressure pad is made of silicon rubber, and can effectively support the cap screw, so as to prevent the cap screw from loosening while ensuring the insulation performance, and to make the contact between the pressure terminal and the insertion hole more reliable.