CN213660725U

CN213660725U - Arc-shaped through hole connector

Info

Publication number: CN213660725U
Application number: CN202022587871.1U
Authority: CN
Inventors: 曾志坚; 肖忠华; 李学广
Original assignee: Sanco New Energy Technology Co Ltd
Current assignee: Shunke Zhilian Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-09
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses an arc-shaped through-hole connector, which comprises a connector body, wherein the connector body comprises a shell, a rear cover, a shielding clamp, a wire pressing ring and a rubber core, a wire barrel for a cable to penetrate and an installation cavity for the rubber core to be installed are arranged in the shell, the wire barrel is communicated with the installation cavity, and the rear cover is used for pressing and locking the wire barrel; the mounting part of the shell is provided with an arc mounting surface, and the mounting part of the shell is provided with a positioning opening; the cable is connected with the busbar in a welding mode, a heat-shrinkable tube wraps the welding part of the cable and the busbar, the wire pressing ring is arranged in the wire barrel, the shielding clamp is arranged between the wire barrel and the wire pressing ring, the shielding clamp comprises a sleeve and a plurality of elastic sheets, the sleeve is arranged between the wire barrel and the wire pressing ring, one end of each elastic sheet is connected with the sleeve, and the other end of each elastic sheet extends towards the inner side of the wire barrel and elastically abuts against the wire pressing ring; the inside upper end of line section of thick bamboo is equipped with first waterproof rubber ring, and the installation department of shell is equipped with the waterproof rubber ring of second. The arc-shaped through hole connector can achieve the effects of oil resistance, water resistance and strong installation adaptability.

Description

Arc-shaped through hole connector

Technical Field

The utility model relates to a new energy automobile electricity field of connecting especially relates to an arc through hole connector.

Background

At present, in the field of electric connection of new energy automobiles, most connectors used can only realize external water and oil resistance, but cannot realize internal oil and water resistance; in addition, the conventional connector has a housing of a generally large size, and is often rectangular parallelepiped in shape, and is not easy to be mounted.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an arc-shaped through hole connector can realize the adaptability of inside grease proofing waterproof and improvement installation.

The purpose of the utility model is realized by adopting the following technical scheme:

an arc-shaped through-hole connector comprises a connector body, wherein the connector body comprises a shell, a rear cover, a shielding clamp, a wire pressing ring and a rubber core, a wire barrel for a cable to penetrate through and an installation cavity for the rubber core to be installed are arranged in the shell, the wire barrel is communicated with the installation cavity, and the rear cover is used for pressing and locking the wire barrel; the mounting part of the shell is provided with an arc mounting surface, and the mounting part of the shell is provided with a positioning opening communicated with the mounting cavity; the wire connecting end of the cable is connected with the wire pressing end of the busbar in a welding mode, the welding part of the wire connecting end of the cable and the wire pressing end of the busbar is wrapped by a heat shrink tube, the wire pressing ring is arranged in the wire barrel and is in contact with a shielding layer outside the cable, the shielding clip is arranged between the wire barrel and the wire pressing ring and comprises a sleeve and a plurality of elastic sheets, the sleeve is arranged between the wire barrel and the wire pressing ring, one end of each elastic sheet is connected with the sleeve, and the other end of each elastic sheet extends towards the inner side of the wire barrel and elastically abuts against the wire pressing ring; the upper end of the bobbin is provided with a first waterproof rubber ring, the first waterproof rubber ring is abutted to the shielding clamp, and the mounting part of the shell is provided with a second waterproof rubber ring.

Furthermore, the wiring end of the cable is connected with the line pressing end of the bus bar in an ultrasonic welding mode.

Furthermore, the lateral surface of back lid is equipped with the buckle, the shell corresponds the position and is equipped with the card hole.

Further, the installation department of shell is towards the direction of installation cavity is sunken to have and is used for holding the holding tank of the waterproof rubber ring of second.

Further, the inside wall of holding tank is equipped with spacing arch.

Furthermore, the shielding clamp further comprises a shielding sleeve, the shielding sleeve is arranged between the sleeve and the wire pressing ring, a plurality of first openings are formed in the shielding sleeve along the circumferential direction, a plurality of second openings are formed in the sleeve along the circumferential direction, the first openings and the second openings are arranged in a one-to-one correspondence mode, and the other end of the elastic piece sequentially penetrates through the second openings and the first openings and then is elastically abutted to the wire pressing ring.

Furthermore, the shielding sleeve is provided with a first limiting flange, the lower end of the bobbin is provided with a second limiting flange, one end of the sleeve abuts against the first limiting flange, and the other end of the sleeve abuts against the second limiting flange.

Furthermore, a third limiting flange is arranged at the upper end of the wire barrel, and the bottom of the first waterproof rubber ring is abutted against the third limiting flange.

Further, the shell is detachably fixed on the installation position of the motor disc through bolts, and the installation position of the motor disc is matched with the arc-shaped installation surface.

Further, the shell is made of a metal material.

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

the utility model designs the mounting part of the shell into the arc mounting surface, thus the connector body can be mounted on the arc mounting position, and the practicability is increased; the heat shrinkable tube is wrapped at the welding part of the cable and the bus bar, so that the internal oil is prevented from contacting the cable; by arranging the first waterproof rubber ring, liquid is prevented from entering the connector body from the cable part; by arranging the second waterproof rubber ring, liquid is prevented from entering the connector body from the contact part of the shell and the mounting position; the pressing wire ring is in contact with the shielding layer of the cable, the effect that the shielding layer of the cable switches on is played, through setting up the shielding clamp between pressing wire ring and a line section of thick bamboo, in order to fix the pressing wire ring on the cable, the telescopic outer peripheral face that still presss from both sides through the shielding is inconsistent with a line section of thick bamboo, it supports to keep with pressing wire ring looks elasticity to be provided with the shell fragment part in the inboard of a line section of thick bamboo, under the gliding prerequisite of assurance pressing wire ring disappearance, prevent that the pressing wire ring from rocking the gap that appears deviating and produce in the connector use, reach 360 electromagnetic shield requirements. The utility model realizes the internal oil-proof, antifouling and waterproof by arranging the heat-shrinkable tube, the first waterproof rubber ring and the second waterproof rubber ring; the installation adaptability is improved by arranging the arc-shaped installation surface; through setting up wire pressing ring and shielding clamp, guarantee electromagnetic shield effect.

Drawings

Fig. 1 is a schematic view of an arc-shaped via connector provided by the present invention;

fig. 2 is an exploded view of an arc-shaped via connector according to the present invention;

fig. 3 is an installation state diagram of an arc-shaped through-hole connector provided by the present invention;

FIG. 4 is an exploded view of FIG. 3;

fig. 5 is an assembled cross-sectional view of an arc-shaped via connector and a busbar provided by the present invention;

fig. 6 is a schematic diagram of a housing of an arc-shaped via connector provided by the present invention;

fig. 7 is an exploded view of the assembly of the shield clip and the shield sleeve of the arc-shaped via connector according to the present invention;

in the figure: 10. a connector body; 101. a housing; 1010. a bobbin; 1011. a mounting cavity; 1012. an arc-shaped mounting surface; 1013. positioning the opening; 1014. accommodating grooves; 1015. a limiting bulge; 1016. a clamping hole; 1017. a second position-defining flange; 1018. a third position-defining flange; 102. a rear cover; 1020. buckling; 103. pressing a wire ring; 104. a shielding sleeve; 1041. a first opening; 1042. a first stop flange; 105. a shield clip; 1051. a sleeve; 1052. a spring plate; 1053. a second opening; 106. heat shrink tubing; 107. a rubber core; 108. a first waterproof rubber ring; 109. a second waterproof rubber ring; 110. a bolt; 111. a cable; 1110. a terminal; 20. a bus bar; 201. a wire pressing end; 30. a motor disc; 301. mounting position; 302. and (7) installing holes.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1 XX" and "2 XX" are structurally identical and functionally similar).

As shown in fig. 1-7, for the utility model provides an arc-shaped through-hole connector, including connector body 10, connector body 10 includes shell 101, back lid 102, shielding clamp 105, line ball ring 103 and rubber core 107, be equipped with in the shell 101 and supply the line section of thick bamboo 1010 that cable 111 penetrated and supply the installation cavity 1011 that rubber core 107 installed, line section of thick bamboo 1010 with the installation cavity 1011 intercommunication, back lid 102 is used for pressfitting locking line section of thick bamboo 1010; the mounting part of the shell 101 is provided with an arc mounting surface 1012, and the mounting part of the shell 101 is provided with a positioning opening 1013 communicated with the mounting cavity 1011; the terminal 1110 of the cable 111 is connected with the crimp end 201 of the bus bar 20 by welding, the heat shrinkable tube 106 wraps the welding part of the terminal 1110 of the cable 111 and the crimp end 201 of the bus bar 20, the crimp ring 103 is arranged in the wire barrel 1010, the crimp ring 103 is in contact with a shielding layer outside the cable 111, the shielding clip 105 is arranged between the wire barrel 1010 and the crimp ring 103, the shielding clip 105 comprises a sleeve 1051 and a plurality of elastic sheets 1052, the sleeve 1051 is arranged between the wire barrel 1010 and the crimp ring 103, one end of each elastic sheet 1052 is connected with the sleeve 1051, and the other end of each elastic sheet 1052 extends towards the inner side of the wire barrel 1010 and elastically abuts against the crimp ring 103; the upper end of the bobbin 1010 is provided with a first waterproof rubber ring 108, the first waterproof rubber ring 108 abuts against the shielding clamp 105, and the mounting part of the shell 101 is provided with a second waterproof rubber ring 109.

The utility model designs the mounting part of the shell 101 into the arc mounting surface 1012, so that the connector body 10 can be mounted on the arc mounting position 301, and the practicability is increased; by wrapping heat shrinkable tube 106 at the welded portion of cable 111 and busbar 20, the internal oil is prevented from contacting cable 111; by arranging the first waterproof rubber ring 108, liquid is prevented from entering the connector body 10 from the cable 111; by arranging the second waterproof rubber ring 109, liquid is prevented from entering the connector body 10 from the contact part of the shell 101 and the mounting position 301; the pressing ring 103 is in contact with the shielding layer of the cable 111, the effect that the shielding layer of the cable 111 is conducted is achieved, the shielding clamp 105 is arranged between the pressing ring 103 and the wire barrel 1010, the pressing ring 103 is fixed on the cable 111, the outer peripheral face of the sleeve 1051 of the shielding clamp 105 is abutted to the wire barrel 1010, the elastic sheet 1052 is arranged on the inner side of the wire barrel 1010, and elastically abutted to the pressing ring 103, on the premise that the pressing ring 103 does not slide, the pressing ring 103 is prevented from shaking in the using process of the connector to cause a gap which is deviated, and the 360-degree electromagnetic shielding requirement is achieved. The utility model realizes the internal oil-proof, antifouling and waterproof by arranging the heat-shrinkable tube 106, the first waterproof rubber ring 108 and the second waterproof rubber ring 109; by arranging the arc-shaped mounting surface 1012, the mounting adaptability is improved; by providing the wire pressing ring 103 and the shield clip 105, the electromagnetic shielding effect is ensured.

Preferably, the terminal 1110 of the cable 111 and the terminal 201 of the bus bar 20 are connected by ultrasonic welding. Through ultrasonic bonding, on the one hand make the welding point more firm, reliable, guaranteed the holding power between cable 111 and busbar 20, the circuit contact resistance is little simultaneously, the loss is low. On the other hand, compared with the traditional riveting terminal process and the ultrasonic welding process, the method has the advantages that parts are reduced, assembling procedures are reduced, cost is reduced, and assembling efficiency is improved.

Preferably, the outer side of the rear cover 102 is provided with a buckle 1020, and the corresponding position of the housing 101 is provided with a buckle hole 1016. The rear cover 102 is pressed and locked on the shell 101 in a mode of arranging the buckle 1020, and assembly and disassembly are facilitated.

Preferably, the mounting portion of the housing 101 is recessed with a receiving groove 1014 for receiving the second waterproof rubber ring 109 toward the mounting cavity 1011. By providing the receiving groove 1014, the mounting portion of the housing 101 can be attached to the mounting position 301, and the waterproof performance is further improved.

Specifically, the inside wall of accommodation groove 1014 is equipped with spacing arch 1015. Through setting up spacing arch 1015, can make the stable fixing of second waterproof rubber ring 109 in holding tank 1014.

Preferably, the shielding clip 105 further includes a shielding sleeve 104, the shielding sleeve 104 is disposed between the sleeve 1051 and the wire pressing ring 103, the shielding sleeve 104 is circumferentially provided with a plurality of first openings 1041, the sleeve 1051 is circumferentially provided with a plurality of second openings 1053, the first openings 1041 and the second openings 1053 are disposed in a one-to-one correspondence, and the other end of the elastic piece 1052 sequentially passes through the second openings 1053 and the first openings 1041 and then elastically abuts against the wire pressing ring 103.

Specifically, the shielding sleeve 104 is provided with a first limiting flange 1042, the lower end of the bobbin 1010 is provided with a second limiting flange 1017, one end of the sleeve 1051 abuts against the first limiting flange 1042, and the other end of the sleeve 1051 abuts against the second limiting flange 1017. Through setting up first limit flange 1042, restriction sleeve 1051 moves towards the opening direction of line section of thick bamboo 1010, through setting up second limit flange 1017, restriction sleeve 1051 can not take place the displacement in line section of thick bamboo 1010 to guarantee that the wire pressing ring 103 does not appear deviating.

Preferably, the upper end of the bobbin 1010 is provided with a third limit flange 1018, and the bottom of the first waterproof rubber ring 108 abuts against the third limit flange 1018. In this embodiment, first waterproof rubber ring 108 is used for sealing the kneck of cable 111 and bobbin 1010, can establish first waterproof rubber ring 108 cover on cable 111 through satisfying suitable tolerance fit, first waterproof rubber ring 108 packs into bobbin 1010 during the assembly, through the in-process that compresses tightly back lid 102, back lid 102 and third spacing flange 1018 extrude first waterproof rubber ring 108, make its elastic deformation, thereby make first waterproof rubber ring 108 and bobbin 1010 rear end and the inner wall of back lid 102 form closely to cooperate, can guarantee that first waterproof rubber ring 108 has good sealed guard effect.

Preferably, the housing 101 is detachably fixed to the mounting position 301 of the motor disk 30 by bolts 110, and the mounting position 301 of the motor disk 30 is matched with the arc-shaped mounting surface 1012. In this embodiment, the mounting position 301 on the motor disk 30 is opened with a mounting hole 302, and the mounting process is as follows: firstly, after the cable 111 is pulled out, the wire pressing ring 103 is pressed; secondly, ultrasonic welding is carried out on the cable 111 and the bus bar 20, thirdly, a heat shrink tube 106 is wrapped at the welding part, fourthly, the welded assembly is assembled through the mounting hole 302 of the motor disc 30, fifthly, the second waterproof rubber ring 109 is installed in the accommodating groove 1014 of the shell 101, sixthly, the rubber core 107 is installed in the mounting cavity 1011 of the shell 101 from the positioning opening 1013 and is fixed through screws, seventhly, the shell 101 is fixed on the motor disc 30 through the bolts 110, eighthly, the assembled shielding sleeve 104 and the shielding clamp 105 are installed on the cable 111, ninth, the first waterproof rubber ring 108 is installed in the wire barrel 1010, and tenth, the rear cover 102 is installed on the shell 101.

Preferably, the housing 101 is made of a metal material. Thus, the shell 101 is ensured to resist falling and has longer service life.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. An arc-shaped through-hole connector is characterized by comprising a connector body, wherein the connector body comprises a shell, a rear cover, a shielding clamp, a wire pressing ring and a rubber core, a wire barrel for a cable to penetrate through and an installation cavity for the rubber core to be installed are arranged in the shell, the wire barrel is communicated with the installation cavity, and the rear cover is used for pressing and locking the wire barrel; the mounting part of the shell is provided with an arc mounting surface, and the mounting part of the shell is provided with a positioning opening communicated with the mounting cavity; the wire connecting end of the cable is connected with the wire pressing end of the busbar in a welding mode, the welding part of the wire connecting end of the cable and the wire pressing end of the busbar is wrapped by a heat shrink tube, the wire pressing ring is arranged in the wire barrel and is in contact with a shielding layer outside the cable, the shielding clip is arranged between the wire barrel and the wire pressing ring and comprises a sleeve and a plurality of elastic sheets, the sleeve is arranged between the wire barrel and the wire pressing ring, one end of each elastic sheet is connected with the sleeve, and the other end of each elastic sheet extends towards the inner side of the wire barrel and elastically abuts against the wire pressing ring; the upper end in the wire barrel is provided with a first waterproof rubber ring, the first waterproof rubber ring is abutted to the shielding clamp, and the installation part of the shell is provided with a second waterproof rubber ring.

2. The curved-type via connector as claimed in claim 1, wherein the terminal end of the cable is connected to the crimping end of the busbar by ultrasonic welding.

3. The curved via connector as claimed in claim 1, wherein the back cover has a snap on outer surface, and the housing has a snap hole at a corresponding position.

4. The arcuate-shaped via connector of claim 1, wherein the mounting portion of the housing is recessed with a receiving groove for receiving the second waterproof rubber ring in a direction toward the mounting cavity.

5. The arcuate via connector of claim 4, wherein the inner side walls of said receiving slots are provided with a stop projection.

6. The arc-shaped through-hole connector as claimed in claim 1, wherein the shielding clip further comprises a shielding sleeve, the shielding sleeve is disposed between the sleeve and the wire pressing ring, the shielding sleeve is circumferentially provided with a plurality of first openings, the sleeve is circumferentially provided with a plurality of second openings, the first openings and the second openings are arranged in a one-to-one correspondence manner, and the other end of the spring plate sequentially penetrates through the second openings and the first openings and then elastically abuts against the wire pressing ring.

7. The arc-shaped through hole connector as claimed in claim 6, wherein the shielding sleeve is provided with a first limiting flange, the lower end of the bobbin is provided with a second limiting flange, one end of the sleeve abuts against the first limiting flange, and the other end of the sleeve abuts against the second limiting flange.

8. The arc-shaped through hole connector as claimed in claim 1, wherein a third limit flange is provided at the upper end of the wire barrel, and the bottom of the first waterproof rubber ring abuts against the third limit flange.

9. The arcuate via connector of claim 1, wherein said housing is removably secured by bolts to a mounting location on a motor plate, said mounting location of said motor plate being adapted to fit said arcuate mounting surface.

10. The arcuate-shaped via connector of claim 1, wherein said housing is made of a metallic material.