CN111541096B

CN111541096B - Socket connector capable of protecting personnel in equipment

Info

Publication number: CN111541096B
Application number: CN202010474686.3A
Authority: CN
Inventors: 张培; 武昆迎; 程俊智; 常旭阳; 郭辉
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2022-03-29
Anticipated expiration: 2040-05-29
Also published as: CN111541096A

Abstract

The utility model provides a can realize socket connector of inside personnel's protection of equipment, includes the shell body and the insulator cable part of two-body formula, earlier is connected insulator cable part and the inside electrified module of equipment during the assembly, packs insulator cable part detachably into the shell body of installing on equipment shell again, realizes with the help of the insulator in the assembling process that insert end and afterbody prevent touching and indicate the requirement, avoids the phenomenon that personnel operated under the electrified condition, plays the purpose to personnel's protection. The assembly mode is a novel mode, and can meet the diversified requirements of customers.

Description

Socket connector capable of protecting personnel in equipment

Technical Field

The invention belongs to the technical field of electric connectors, and particularly relates to a socket connector capable of protecting personnel in equipment.

Background

The voltage of a high-voltage system in the new energy electric automobile is generally over 300V and far exceeds the withstand voltage of a human body, and in order to meet the protection requirement on personnel during vehicle assembly, socket connectors used by the high-voltage system have the requirement of finger touch prevention. The current way of assembling the socket connector on the equipment is as follows: the socket connector is integrally installed on a shell of the equipment, an anti-touch finger structure is arranged on an exposed part (namely a plug end) of the socket connector, and the other end of the cable is connected with a high-voltage system in the equipment. With the diversification of products, the single assembly method is gradually unable to meet the diversified demands of customers.

Disclosure of Invention

In order to solve the above technical problems, an object of the present invention is to provide a socket connector capable of protecting personnel inside a device, in which an outer housing member and an insulator member are integrated into a single body, and a cable is connected to a live module inside the device during assembly, and then the insulator member connected to the cable is installed in the outer housing, so as to meet diversified needs of customers.

The purpose of the invention is realized by adopting the following technical scheme. The socket connector capable of protecting personnel in equipment comprises an outer shell mounted on an equipment shell, and an insulator cable component which is connected with a charged module in the equipment and then detachably assembled in the outer shell, wherein the insulator cable component comprises an insulator which is detachably connected with the outer shell and protects personnel when the insulator cable component is assembled in the outer shell, and a pin cable component which is assembled in the insulator and is used for connecting with the charged module in the equipment.

Further, a first boss extending inwards is arranged at the end part of the outer shell; the insulator is provided with a locking hook which is used for being in stop fit with the first boss to form a locking position so as to assemble the insulator cable component into the outer shell, and a pressing part which is used for enabling the locking hook to move from the locking position to an unlocking position so as to detach the insulator cable component from the outer shell.

Further, the socket connector also comprises a buckle which is detachably connected with the outer shell and locks the cable component of the insulator for the second time.

Further, the buckle is provided with a connecting arm used for being detachably connected with the outer shell, and a second boss used for forming a top stop fit with the pressing part to prevent the locking hook from moving from the locking position to the unlocking position.

Further, the connecting arm has a barb for cooperating with a groove on the outer housing to detachably mount the buckle on the outer housing.

Furthermore, the buckle is provided with two limiting arms which are oppositely arranged and used for forming a top stop fit with the corresponding pressure applying parts so as to prevent the locking hook from moving from the locking position to the unlocking position, and a bridging part for connecting the two limiting arms, wherein the end parts of the limiting arms are provided with barbs which are used for forming a stop fit with the corresponding pressure applying parts so as to hang the bridging part on the suspension arm at the end part of the outer shell, and the suspension arm is provided with limiting parts which are used for forming a stop fit with the bridging part so as to prevent the bridging part from falling off from the suspension arm along the axial direction of the insulator.

Furthermore, when the pin cable component is installed in the insulator, the elastic claw on the outer side of the pin contact part abuts against the step in the insulator to perform primary positioning.

Further, the insulator cable member also includes a TPA feature mounted on the insulator and secondarily positioning the pin cable member.

Further, the TPA feature has an anti-back arm for forming a stop-fit with the pin contact to prevent the pin cable member from coming out of the insulator in the event of a latch failure.

The socket connector capable of protecting personnel in equipment has the following advantages:

1. the shell body and the insulator cable component are of a two-body type, the insulator cable component is connected with the electrified module inside the equipment during assembly, then the insulator cable component is detachably installed in the shell body installed on the equipment shell, the insertion end and the tail part touch finger prevention requirement is achieved by means of the insulator during assembly, the phenomenon that personnel operate under the electrified condition is avoided, and the purpose of protecting the personnel is achieved. The assembly mode is a novel mode, and can meet the diversified requirements of customers;

2. the insulator cable component is detachably assembled in the outer shell, and finally the contact is detachable, so that the phenomenon of product scrapping caused by assembly error is prevented.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of an embodiment of a receptacle connector for protecting personnel inside equipment according to the present invention.

Fig. 2 is a schematic view of the insulator cable assembly of the embodiment of fig. 1.

Fig. 3A and 3B are schematic views of the pin cable member of the insulator cable member being positioned twice.

Fig. 4 is a schematic view of a TPA configuration for secondary positioning of the pin cable member.

Fig. 5 is a schematic cross-sectional view of the embodiment shown in fig. 1.

Fig. 6 is a snap-on schematic view of the secondary locking of the insulator cable assembly.

Fig. 7 is a schematic view of another embodiment of a receptacle connector for protecting personnel inside equipment according to the present invention.

Fig. 8 is a snap-on schematic view of the secondary locking of the insulator cable assembly of the embodiment of fig. 7.

[ reference numerals ]

10-housing 101-first boss 20-insulator cable component 201-insulator

202-pin cable component 2021-pin contact 2022-cable 203-TPA configuration

2031-anti-back arm 2032-limit groove 30-buckle 301-connecting arm

302-second boss 303-bridge 304-barb 305-stop arm

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1, in an embodiment of a receptacle connector capable of protecting personnel inside a device according to the present invention, the position of a pin contact is defined as "front", and the position of a cable is defined as "rear". The present embodiment includes an outer case 10, an insulator cable member 20 detachably connected to the outer case, and a buckle 30 detachably connected to the outer case and used for secondary locking of the insulator cable member.

Referring to fig. 2 and fig. 3A, the insulator cable component 20 includes an insulator 201 and a pin cable component 202 mounted in the insulator, a latch hook 2011 having a guiding inclined surface is disposed on the insulator 201, and a pressure applying portion 2012 is formed on the insulator behind the latch hook 2011, so that for assembly, the latch hook 2011 is disposed at a tail portion of the insulator 201; the pin contact 2021 and the cable 2022 are pressed to obtain a pin cable component, and the pin cable component is installed in the insulator, and the elastic claw outside the pin contact 2021 abuts against the step in the insulator 201 to perform primary positioning. Furthermore, in order to prevent the contact from coming off when the contact is not assembled or the stress requirement on the contact is high, the TPA structure 203 is adopted to secondarily position the pin cable member 202 in the embodiment. Referring to fig. 3B and fig. 4, one side of the insulator is provided with a mounting groove extending perpendicular to the insertion direction of the contact, the TPA structure (i.e., a secondary anti-moving structure) is pushed into the mounting groove to secondarily position the pin cable member, in this embodiment, the insulator cable member 20 includes two insulators 201 fixedly connected as a whole and two pin cable members 202 installed in the corresponding insulators, the TPA structure has two anti-moving arms 2031 distributed oppositely, each anti-moving arm 2031 forms a stopping fit with the corresponding pin contact to prevent the contact from moving out of the insulator when the latch fails, meanwhile, a limiting groove 2032 for the protrusion on the insulator to be clamped into to assemble the TPA structure in the mounting groove is provided on the inner side of the anti-moving arm 2031, and the limiting groove has a guiding surface (e.g., an arc surface) for the protrusion to move in and out. Of course, in other embodiments, the plurality of insulators included in the insulator cable assembly may be provided as a separate structure.

Referring to fig. 1 and 5, the tail end of the outer housing 10 is provided with a first boss 101 extending inward, when the insulated cable component 20 is installed in the outer housing 10, the locking hook 2011 forms a stop fit with the first boss 101 by means of a guide inclined surface, so as to realize one-time locking, the locking hook is located at a locking position, the locking hook is separated from the first boss by pressing the pressing part 2012, the locking hook moves from a locking position to an unlocking position, and at this time, the insulated cable component 20 can be easily detached from the outer housing 10, so that product rejection caused by assembly errors is prevented. Further, in order to prevent the failure of the primary locking of the insulator cable part on the outer housing by the external force, the present embodiment uses the snap 30 to perform the secondary locking of the insulator cable part 20. Referring to fig. 1 and 6, the buckle 30 includes a connecting arm 301 for detachably connecting with the outer housing, and a second boss 302 for forming a top stop fit with the pressing portion 2012 to prevent the latch hook from moving from the locking position to the unlocking position, in this embodiment, four latch hooks 2011 are disposed at the tail of the cable component of the insulator, two second bosses 302 are disposed on the buckle 30, and each second boss 302 is used for pressing two pressing portions 2012 on the same side; further to facilitate assembly, the clasp 30 is provided with two connecting arms 301, two second bosses 302 being provided on the bridge portion 303 between the two connecting arms, the end of each connecting arm 301 being provided with a barb 304 for cooperating with a groove on the outer housing to detachably mount the clasp on the outer housing.

The socket connector provided by the embodiment includes an outer shell component and an insulator component which are two-body, when the whole vehicle device is assembled, the other end of a cable 2022 in the insulator cable component 20 is firstly connected with an electrified module (such as a high-voltage system) in the device, the outer shell 10 is installed on the outer shell of the device, then the insulator cable component is assembled into the outer shell from the inside of the device, primary locking is performed by means of stop matching of four lock hooks 2011 and a first boss 101, finally, a buckle 30 is detachably installed on the outer shell 10 through matching of a barb and a groove, and meanwhile, a second boss 302 on the buckle pushes a pressing part 2012 at the tail part of the insulator to perform secondary locking on the insulator cable component 20. In the assembling process, although the contact and the cable are electrified, the connection parts of the contact, the contact and the cable are all positioned in the insulator, and when the insulator cable component is arranged in the outer shell, the requirement of inserting the end and the tail part to prevent contact fingers is met by means of the insulator, so that the phenomenon that personnel operate under the electrified condition is avoided, and the aim of protecting the personnel is fulfilled.

Referring to fig. 7 to 8, another embodiment of a socket connector capable of protecting personnel inside equipment according to the present invention is shown, and the difference between the embodiment and the embodiment shown in fig. 1 is: and the buckle structure is used for carrying out secondary locking on the cable component of the insulator. The tail end of the shell 10 is provided with a suspension arm 102, the buckle 30 has two limiting arms 305 and a bridge portion 303, the two limiting arms 305 are oppositely arranged and are used for forming a top stop fit with the pressure applying portion 2012 on the same side to prevent the locking hook from moving from the locking position to the unlocking position, the bridge portion 303 is connected with the two limiting arms, the end portion of each limiting arm 305 is provided with a barb 304 for forming a stop fit with the pressure applying portion 2012 on the same side to hang the bridge portion on the suspension arm, the suspension arm 102 is provided with a limiting portion for forming a stop fit with the bridge portion to prevent the bridge portion from falling off from the suspension arm along the axis direction of the insulator, the limiting portion is a third boss 1021 arranged at the tail end of the suspension arm in the present embodiment, and of course, the limiting portion may be a groove structure in other embodiments. In this embodiment, the tail of the cable component of the insulator is provided with four locking hooks 2011 distributed in two opposite directions, so the tail end of the housing is provided with two suspension arms 102 distributed in opposite directions, two buckles 30 are adopted during assembly, each buckle is hung on the corresponding suspension arm and is limited by a third boss, and each limiting arm of each buckle abuts against one pressing part on the same side.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art can make any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the present invention without departing from the scope of the present invention, and still fall within the scope of the present invention.

Claims

1. A socket connector capable of protecting personnel in equipment is characterized by comprising an outer shell arranged on an equipment shell, an insulator cable component which is connected with a charged module in the equipment and then detachably assembled in the outer shell, and a buckle which is detachably connected with the outer shell and secondarily locks the insulator cable component, wherein the insulator cable component comprises an insulator which is detachably connected with the outer shell and can protect personnel when the insulator cable component is assembled in the outer shell, a pin cable component which is assembled in the insulator and is used for connecting with the charged module in the equipment, the end part of the outer shell is provided with a first boss extending inwards, the insulator is provided with a locking hook which is used for being in stop fit with the first boss to form a locking position so as to assemble the insulator cable component into the outer shell, and a pressing part which is used for enabling the locking hook to move from the locking position to an unlocking position so as to detach the insulator cable component from the outer shell; the buckle is provided with a connecting arm used for being detachably connected with the outer shell and a second boss used for forming a top stop fit with the pressure applying part to prevent the locking hook from moving from the locking position to the unlocking position.

2. A socket connector for providing personnel protection inside an apparatus according to claim 1, wherein the connecting arms have barbs for engaging with grooves on the outer housing to removably attach the latch to the outer housing.

3. The socket connector according to claim 1, wherein the latch is further configured to: the end part of the limiting arm is provided with an agnail used for forming stop matching with the corresponding pressure applying part so as to prevent the bridge part from being hung on the suspension arm at the end part of the outer shell, and the suspension arm is provided with a limiting part used for forming stop matching with the bridge part so as to prevent the bridge part from falling off from the suspension arm along the axial direction of the insulator.

4. The socket connector of claim 1, wherein the pin cable member is positioned once by the resilient fingers outside the pin contacts abutting against the step in the insulator when the pin cable member is installed in the insulator.

5. The receptacle connector according to claim 4, wherein the insulator cable member further comprises a TPA feature mounted on the insulator for secondarily positioning the pin cable member.

6. The receptacle connector of claim 5, wherein the TPA structure has an anti-back arm for forming a stop fit with the pin contact to prevent the pin cable member from falling out of the insulator in the event of a latch failure.