CN218415116U

CN218415116U - Trade electric connector convenient to it is clean

Info

Publication number: CN218415116U
Application number: CN202222271789.7U
Authority: CN
Inventors: 李永棒; 许伟超; 王晓辉; 王高阳; 郭辉
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-01-31
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to a trade electric connector convenient to it is clean, including the floating housing part, the socket shell of assembly in the floating housing part floats along the fore-and-aft direction, be equipped with the metal covering board in the socket shell, the end of closing of inserting of socket shell has the chamber of closing of inserting that is located the metal covering board front end, install power component in the socket shell, power component includes power contact casing and installs the power contact spare in the power contact casing, the end overhang that closes of inserting of power contact spare sets up and closes the chamber in inserting, the end that closes of inserting of power contact spare is jack structure, the dust exhaust hole has been seted up on jack structure's the outer peripheral face, the dust exhaust hole is close to jack structure's rear end face setting, be equipped with the adaptation dust exhaust hole that corresponds the intercommunication with the dust exhaust hole on the power contact casing. The utility model discloses having considered the end application environment of standing, having designed row's ash structure, the end of being convenient for stand row's ash when maintaining the connector, realized that the end of standing trades the clear function of being convenient for of electric connector, reduced the maintenance cost and the degree of difficulty.

Description

Trade electric connector convenient to it is clean

Technical Field

The utility model belongs to the technical field of the connector, concretely relates to trade electric connector convenient to it is clean.

Background

The battery replacing connector for the new-energy pure electric vehicle is divided into a battery end, a whole vehicle end and a station end, wherein the station end is an interface for charging a battery pack in a battery replacing station. As shown in fig. 1, a structural schematic diagram of an existing power conversion connector is shown, the power conversion connector comprises a floating housing component 100 and a socket shell 200 which is assembled in the floating housing component in a floating manner along a plugging direction, a power component 300 and a signal component 400 are arranged in a front end inner cavity 201 of the socket shell, and a station end connector product on a pure electric commercial vehicle is often in a dust falling condition due to a bad application environment, and the dust falling condition is accumulated in the front end inner cavity and a jack of the connector and is not easy to clean dust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trade electric connector convenient to it is clean, the grey structure is arranged in the design above that, and the end of being convenient for stands and carries out the high-efficient ash of arranging when trading electric connector and maintaining.

The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. The basis the utility model provides a trade electric connector convenient to it is clean, including the floating housing spare, the socket shell who assembles in the floating housing spare floats along the fore-and-aft direction, be equipped with the metal covering board in the socket shell, the end of closing of inserting of socket shell has the chamber of closing of inserting that is located the metal covering board front end, install power component in the socket shell, power component includes power contact casing and installs the power contact spare in the power contact casing, the end overhang setting of closing of inserting of power contact spare is inserting in closing the chamber, the ash hole has been seted up on the end outer peripheral face is closed in inserting of power contact spare, the ash hole is close to the end rear end face department setting of closing of inserting of power contact spare, the end of closing of power contact spare is jack structure, the ash hole is located the place ahead of jack structure's rear end face, be equipped with the adaptation ash hole that corresponds the intercommunication with the ash hole on the power contact casing.

Furthermore, an ash discharge groove in the inserting cavity is formed in the socket shell, the ash discharge groove is communicated with the inner cavity of the floating shell component, and an ash discharge port communicated with the inner cavity is formed in the rear end of the floating shell component.

Further, the ash discharge hole is arranged towards the ash discharge groove.

Furthermore, the dust discharging groove extends along a first direction, the first direction is perpendicular to the front and back directions, and the first direction is the arrangement direction or the distribution direction of the power contact elements, so that the dust discharging groove can cover or be compatible with dust discharging holes of the power contact elements in the first direction, and dust discharged from the dust discharging holes can be favorably received.

Furthermore, ash discharge grooves are formed in two opposite sides of the socket shell, and corresponding ash discharge holes facing different ash discharge grooves are formed in the power contact element at the moment, so that ash discharge efficiency is improved remarkably.

Further, power contact casing includes that mutual lock connects in order to realize the fixed last casing of power contact installation and lower casing, and lower casing is fixed in socket shell, goes up casing and metal cover plate spacing cooperation in the forward direction.

Further, still install the signal part in the socket shell, the signal part is including inserting signal jack subassembly and the signal contact pin subassembly that closes each other, the signal jack subassembly includes the signal jack insulator, install the signal jack in the signal jack insulator, the signal contact pin subassembly includes the signal contact pin insulator, install the signal contact pin in the signal contact pin insulator, the front end of signal contact pin is used for inserting with the rear end that corresponds the signal jack and closes, the water drainage tank has been seted up on the preceding terminal surface of signal contact pin insulator, the water drainage tank is the middle arc wall structure that is higher than both sides.

Furthermore, criss-cross drainage channels are formed in the front end face of the signal contact pin insulator.

Furthermore, the upper shell is provided with a mounting column body extending forwards, the adaptive ash discharging hole is formed in the mounting column body, and the inserting end of the power contact element is sleeved in the mounting column body.

Furthermore, a first sealing ring is embedded on the peripheral surface of the power contact piece and is used for being matched with the upper shell in a sealing way; a second sealing ring is embedded in the lower surface of the metal cover plate and is used for being in sealing fit with the upper shell; and a third sealing ring is arranged on the peripheral surface of the metal cover plate and is used for being in sealing fit with the inner wall of the socket shell.

The utility model discloses a new station end is with trading electric connector, should trade electric connector and considered station end application environment, trade electric connector to station end and carry out structural adjustment, the grey structure is arranged in the design, the ash is arranged in the end of being convenient for when maintaining the connector, utilizes the mode of air-blowing, has realized that station end trades electric connector clean function of being convenient for, has reduced the maintenance cost and the degree of difficulty, also is convenient for get rid of to the liquid of drippage on the connector surface simultaneously.

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 according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a power conversion connector in the prior art.

Fig. 2 is a schematic structural diagram of the battery replacing connector convenient for cleaning of the present invention.

Fig. 3 is a schematic sectional view of a dust discharging principle of the easy-to-clean battery replacing connector of the present invention.

Fig. 4 is a schematic cross-sectional view of a signal component in the electrical connector convenient to clean.

Fig. 5 is an exploded view of a signal component in the electrical connector convenient to clean.

Fig. 6 is an exploded schematic view of the upper housing, the power contact and the lower housing of the present invention.

Fig. 7 to 8 are schematic views of the power contact of the present invention.

Fig. 9 is a schematic view of the lower housing of the present invention.

Fig. 10 is a schematic view of an upper housing in the present invention.

Fig. 11 is a schematic diagram of a signal pin assembly according to the present invention.

Fig. 12 is a schematic view of a drain groove structure in the signal pin assembly.

Detailed Description

The following detailed description is to be read in connection with the drawings and the preferred embodiments.

An embodiment of a power replacing connector convenient for cleaning is shown in fig. 2 to 12, and includes a floating housing component 1 and a socket housing 2 assembled in the floating housing component 1 in a floating manner along a front-back direction, a metal cover plate 3 is fixedly arranged in the socket housing 2, a front end of the socket housing 2 is defined as an insertion end inserted into an adaptive connector, the insertion end of the socket housing 2 has an insertion cavity 21, and the insertion cavity 21 is located at a front end of the metal cover plate 3. Install power unit and signal part in the socket shell 2, power unit can realize the electric energy transmission, signal part can realize the signal interaction, wherein, power unit includes casing 4, casing 5 and the power contact 6 of assembly between last casing and the lower casing down, go up casing and the casing constitution power contact casing down, casing 5 fixes in socket shell 2 down, go up casing and the mutual lock realization relative positioning of casing down and to the front and back location of power contact, it is insulating housing to go up, the lower casing, the insertion end of power contact is located the insertion chamber, in this embodiment, the power contact is the jack contact, the front end of jack contact is jack structure, trade electrical connector is socket connector.

In this embodiment, the upper and lower casing realizes the buckle connection through buckle structure to improve the installation effectiveness, buckle structure includes buckle 51 that sets up on the casing down and the buckle hole 41 that sets up on the upper casing. In this embodiment, the fastener 51 includes a plurality of elastic claws distributed in the circumferential direction, and the fastening hole 41 is a corresponding circular through hole. Further, the lower housing 5 is provided with a containing hole 52 for containing the corresponding power contact element, a side opening 521 which enables the power contact element to be radially inserted into the containing hole is formed in the side surface of the containing hole 52, a limiting plate 522 and rotation stop keys 523 arranged on the front side and the rear side of the limiting plate are arranged in the containing hole, and the limiting plate 522 is of an arc-shaped plate structure extending radially; correspondingly, the outer peripheral surface of the power contact element 6 is provided with a ring groove 61, and a limit plate 522 is clamped in the ring groove 61 to limit the power contact element in the front-rear direction; the ring groove is surrounded by two flanges 62 distributed in the front and back, and the flanges are provided with rotation stopping grooves 63 which are correspondingly matched with the rotation stopping keys 523 to realize the radial rotation stopping function of the power contact element. The upper shell 4 is provided with a mounting column body 42 extending forwards, the front end of the power contact element 6 is sleeved in the mounting column body, the mounting column body 42 is used for realizing the functions of radial limiting and inserting end protection and the like of the power contact element, and in addition, the mounting column body can also realize the limiting of the power contact element in the forward direction. After the power contact elements are positioned back and forth by the upper shell and the lower shell, the metal cover plate 3 is pressed on the front end surface of the upper shell 4, the upper shell can be prevented from moving forward, and the mounting column 42 and the front end of the power contact element inside the mounting column penetrate through the metal cover plate 3 and are positioned in the inserting cavity, so that the power contact element inside the mounting column is conveniently inserted into the adapting contact element; the metal cover plate and the installation column body are mutually penetrated, so that the structural strength of the installation column body can be increased, the radial movement of the installation column body is avoided, and the insertion stability of the power contact element is improved. In addition, the inner wall of the upper shell 4 is provided with a rotation stopping platform 43, and the power contact piece 6 is provided with a rotation stopping surface 64 which is matched with the rotation stopping platform 43 in a radial rotation stopping way, so that the combination tightness of the power contact piece and the upper shell is improved.

The power contact element 6 is provided with dust discharging holes 60, the mounting column body 42 is provided with adaptive dust discharging holes 420 which are communicated with the dust discharging holes in a one-to-one correspondence manner, the dust discharging holes and the corresponding adaptive dust discharging holes are coaxially arranged, and the dust discharging holes are arranged close to the rear end face of the insertion end of the power contact element, so that dust can be discharged quickly in the cleaning process, and the reverse (forward) blowing-out amount of the dust is reduced; the socket shell 2 is provided with an ash discharge groove 20 positioned in the inserting cavity, the ash discharge groove 20 extends along a first direction perpendicular to the front and back direction and is integrally long-strip-shaped, so that dust in the ash discharge holes of the power contact pieces can enter the ash discharge groove, and the ash discharge holes 420 are arranged corresponding to the ash discharge groove 20, namely the ash discharge holes are formed towards the ash discharge groove, so that the dust blown out from the ash discharge holes can directly enter the ash discharge groove; the ash discharge groove 20 is communicated with the inner cavity 10 of the floating shell component 1, and the rear end of the floating shell component is provided with an ash discharge port 11; when the air blowing method is adopted to blow air in the inserting and combining cavity, the air flow direction is as shown in figure 2, dust in the power contact element enters the inner cavity of the floating shell component from the dust discharging hole, the adaptive dust discharging hole and the dust discharging groove in sequence and is finally discharged from the dust discharging port at the rear end, and the dust is prevented from backflushing to cleaning personnel. When the opposite two sides of the socket shell are provided with the ash discharge grooves, the power contact element can be provided with corresponding ash discharge holes facing different ash discharge grooves respectively, the adaptive ash discharge holes are correspondingly formed, and the ash discharge holes are formed in the two sides of the power contact element at the moment, so that the ash discharge efficiency is higher; the invention does not limit the number and shape of the ash discharge grooves and the ash discharge holes. The floating shell component 1 comprises an installation shell body 12, a spring 13 and an upper cover 14, the spring 13 and the upper cover 14 are arranged in the installation shell body, the socket shell 2 is arranged in the installation shell body 12 in a floating mode through the spring 13 and is in sealing abutting joint with the upper cover 14, the upper cover 14 can limit the socket shell to be pulled out forwards, the installation shell body 12 is used for fixing the whole power replacing connector on a corresponding carrier, and the ash discharging port 11 is formed by a gap between the socket shell and the installation shell body.

The signal part comprises a signal jack component 7 and a signal pin component 8 which are mutually inserted, the signal jack component 7 comprises a signal jack insulator 71 and a signal jack 72 installed in the signal jack insulator, the signal pin component 8 comprises a signal pin insulator 81 and a signal pin 82 installed in the signal pin insulator, the front end of the signal pin is inserted and combined with the rear end of the corresponding signal jack, the rear end of the signal pin is used for connecting a signal wire, and the front end of the signal jack is arranged in an insertion and combination cavity after penetrating through a metal cover plate. The signal part realizes front and back limit through the metal cover plate and the socket shell, so that the signal part is cleaned by adopting a detachable structure, and the signal part can be directly taken out by detaching the metal cover plate from the socket shell; when the cleaning maintenance is carried out, the signal jack assembly and the signal pin assembly can be independently cleaned after being detached, and dust in the signal jack can be conveniently cleaned in a station. In addition, the signal jack insulator and the signal pin insulator are used for limiting the corresponding signal jack and the corresponding signal pin in a mode that the two sub-insulators are buckled with each other, and then the signal jack assembly and the signal pin assembly can be further disassembled and cleaned.

The front end face of the signal pin insulator 81 is provided with criss-cross drainage grooves 811, the drainage grooves are arc-shaped structures 8111 with high middle parts and low two sides, liquid flowing to the front end face of the signal pin assembly from the signal pin assembly can be drained along the drainage grooves, and drained water in the drainage grooves is drained out of the electric replacing connector along gaps or holes between the signal pin insulator and the socket shell, so that the electrical performance of a product cannot be influenced. Furthermore, a wire sealing body 22 positioned at the rear end of the signal part is arranged in the socket shell 2, so that the sealing performance and the tensile performance of the signal wire are improved; the rear end of the socket shell is provided with a cable protective cover 23, so that the cable connected with the rear end of the power contact element is sealed and is tensile.

Further, in order to improve the sealing performance, a first sealing ring 65 is embedded on the outer peripheral surface of the power contact element 6, and the first sealing ring is used for being in sealing fit with the upper shell; a second sealing ring 31 is embedded in the lower surface of the metal cover plate 3 and is used for being matched with the upper shell in a sealing way; and a third sealing ring 32 is arranged on the peripheral surface of the metal cover plate and is used for being matched with the inner wall of the socket shell in a sealing way.

In this embodiment, the signal component is located in the middle of the insertion cavity, and the power contacts are distributed on two sides of the signal component, but the distribution form is not limited.

In this embodiment, the power conversion connector is a rectangular connector as a whole, but in other embodiments, the power conversion connector may be a circular connector.

The foregoing is only a preferred embodiment of the present invention, and the details are not described in the prior art; any person skilled in the art can make any simple modification, equivalent change and modification to the above embodiments according to the technical spirit of the present invention without departing from the scope of the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a trade electric connector convenient to it is clean, includes the floating housing part, along the floating socket shell of assembly in the floating housing part of fore-and-aft direction, is equipped with metal covering plate in the socket shell, and the end that closes of inserting of socket shell has the chamber that closes of inserting that is located the metal covering plate front end, its characterized in that: install power parts in the socket shell, power parts includes power contact casing and installs the power contact in power contact casing, and the end overhang that closes of inserting of power contact sets up in inserting and closes the chamber, and the end that closes of inserting of power contact is jack structure, has seted up the ash hole on the outer peripheral face of jack structure, and the ash hole is close to the rear end face setting of jack structure, is equipped with the adaptation ash hole that corresponds the intercommunication with the ash hole on the power contact casing.

2. The easy-to-clean swapping connector of claim 1, characterized in that: the socket shell is provided with an ash discharge groove positioned in the inserting cavity, the ash discharge groove is communicated with the inner cavity of the floating shell component, and the rear end of the floating shell component is provided with an ash discharge port communicated with the inner cavity.

3. The easy-to-clean swapping connector of claim 2, characterized in that: the ash discharge hole is arranged towards the ash discharge groove.

4. The easy-to-clean swapping electrical connector of claim 2, characterized in that: the opposite both sides of socket shell have all been seted up the ash discharge groove, are equipped with the corresponding ash discharge hole towards different ash discharge grooves respectively on the power contact.

5. The easy-to-clean swapping connector of claim 3, characterized in that: the ash discharge groove extends along a first direction, the first direction is perpendicular to the front and rear directions, and the first direction is the arrangement direction of the power contact elements, so that the ash discharge groove is favorable for receiving dust discharged from each ash discharge hole.

6. The easy-to-clean swapping electrical connector of claim 1, characterized in that: the power contact element shell comprises an upper shell and a lower shell which are mutually buckled and connected to realize the installation and fixation of the power contact element, the lower shell is fixed in the socket shell, and the upper shell is in spacing fit with the metal cover plate in the forward direction.

7. The easy-to-clean swapping connector of claim 1, characterized in that: still install the signal part in the socket shell, the signal part is including inserting signal jack subassembly and the signal contact pin subassembly that closes each other, the signal jack subassembly includes the signal jack insulator, install the signal jack in the signal jack insulator, the signal contact pin subassembly includes the signal contact pin insulator, install the signal contact pin in the signal contact pin insulator, the front end of signal contact pin is used for inserting with the rear end that corresponds the signal jack and closes, the water drainage tank has been seted up on the preceding terminal surface of signal contact pin insulator, the water drainage tank is the middle arc wall structure that is higher than both sides.

8. The easy-to-clean swapping connector of claim 7, characterized in that: and criss-cross drainage grooves are formed in the front end face of the signal pin insulator.

9. The easy-to-clean swapping connector of claim 6, characterized in that: the upper shell is provided with a mounting column body extending forwards, the adaptive ash discharging hole is formed in the mounting column body, and the inserting end of the power contact element is sleeved in the mounting column body.

10. The easy-to-clean swapping connector of claim 6, characterized in that: a first sealing ring is embedded on the peripheral surface of the power contact piece and is used for being matched with the upper shell in a sealing way; a second sealing ring is embedded in the lower surface of the metal cover plate and is used for being in sealing fit with the upper shell; and a third sealing ring is arranged on the peripheral surface of the metal cover plate and is used for being in sealing fit with the inner wall of the socket shell.