A kind of electric automobile high-voltage wire harness plug
Technical field
The utility model is related to a kind of plug-in unit of electrical equipment, and in particular to a kind of electric automobile high-voltage wire harness plug.
Background technology
With the exploitation and popularization of new-energy automobile especially electric automobile, battery high-voltage connector is widely used, by
All it is to use sealing ring radial seal in the connector sealing of current battery, causes contact engaging and separating force to be brought to maintenance and debugging greatly very much
Many inconveniences, at the same the interference fit for connecting through cylindrical mandrel and cylindrical casing of high-voltage wiring harness ensure high-voltage wiring harness it
Between normal connection, although this connected mode can reduce heating, reduce contact resistance, need contact engaging and separating force it is very big,
Handling are difficult, and service life is short, and the life-span of existing high-voltage connector in the market can only plug 100 times.
Utility model content
The utility model provides a kind of electric automobile high-voltage wire harness plug, to solve plug-in unit installation difficulty in conventional art
And service life it is short the problem of.
To achieve the above object, the utility model provides following technical scheme:
A kind of electric automobile high-voltage wire harness plug, described plug one end is installed with high voltage cable and fixed, and the plug is another
End is installed with socket and fixed, and the plug includes:Sleeve pipe, thrust pipe, spring, binding post, nut and tail pipe;The thrust pipe
Inside the described sleeve pipe and with described sleeve pipe inwall clamping;Described binding post one end and described sleeve pipe inwall clamping, it is described to connect
The terminal other end and the spring are located in the thrust pipe;The tail pipe is enclosed on the high voltage cable, the tail pipe with
The high voltage cable inserts described sleeve pipe one end and interacted with described sleeve pipe one end jointly, the tail pipe is circumferentially compressed institute
High voltage cable is stated, the high voltage cable longitudinally compresses the spring, the spring is promoted the binding post;The nut sleeve exists
With the binding post end thereof contacts after the described sleeve pipe other end, the socket insertion described sleeve pipe other end, pass through the socket
Install and fix with the nut, the binding post is in close contact with the socket.
Preferably, the tail pipe is provided with the first sealing ring, in sealing contact with described sleeve pipe one end.
Preferably, mounting hole, the diameter of the mounting hole and binding post one end diameter phase are provided with inside described sleeve pipe
Together, so that described binding post one end and described sleeve pipe tight clamping fit.
Preferably, open up fluted inside described sleeve pipe, the groove is adapted with the socket.
Preferably, the second sealing ring is provided with the groove, the end of the described sleeve pipe other end is provided with the 3rd sealing
Circle, described binding post one end is in contact through second sealing ring, the 3rd sealing ring with the socket.
Preferably, described sleeve pipe other end end and the 3rd sealing ring are located at the nut interior.
The beneficial effects of the utility model are:
The electric automobile high-voltage wire harness plug that the utility model is provided, plug one end is installed with high voltage cable and fixed, plug
The other end is installed with socket and fixed, and the plug includes:Sleeve pipe, thrust pipe, spring, binding post, nut and tail pipe, the tail
Pipe sleeve on the high voltage cable, the tail pipe and the high voltage cable insert jointly described sleeve pipe one end and with described sleeve pipe one
End interaction, makes the tail pipe circumferentially compress the high voltage cable, and the high voltage cable longitudinally compresses the spring, makes described
Spring promotes the binding post;With the binding post end thereof contacts after the socket insertion described sleeve pipe other end, by described
Socket is installed with the nut and fixed, and the binding post is in close contact with the socket.By the utility model, make plug with
Socket, which is installed, to be more prone to and extends high pressure plug connector service life.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the utility model embodiment electric automobile high-voltage wire harness plug.
Fig. 2 is a kind of internal structure schematic diagram of the utility model embodiment electric automobile high-voltage wire harness plug.
Label in accompanying drawing:
1st, plug 11, sleeve pipe 12, thrust pipe 13, spring 14, binding post 15, nut 16, tail pipe 17, first are close
Seal 18, the second sealing ring 19, the 3rd sealing ring 111, mounting hole 112, groove
Embodiment
In order that those skilled in the art can be further understood that feature of the present utility model and technology contents, with reference to
Drawings and embodiments elaborate to the utility model embodiment.
It is a kind of structural representation of electric automobile high-voltage wire harness plug of the embodiment of the present invention, the plug as shown in Figure 1
One end is installed with high voltage cable (not shown) and fixed, and the plug other end is installed with socket (not shown) and fixed, specifically
Ground, as shown in Fig. 2 the plug 1 includes:Sleeve pipe 11, thrust pipe 12, spring 13, binding post 14, nut 15 and tail pipe 16;
The thrust pipe 12 be located at the inside of described sleeve pipe 11 and with the inwall clamping of described sleeve pipe 11;Described one end of binding post 14 and the set
The inwall clamping of pipe 11, the other end of binding post 14 and the spring 13 are located in the thrust pipe 12;16 sets of the tail pipe
On the high voltage cable, the tail pipe 16 and the high voltage cable insert jointly the one end of described sleeve pipe 11 and with described sleeve pipe 11
One end interacts, and makes the tail pipe 16 is circumferential to compress the high voltage cable, the high voltage cable longitudinally compresses the spring 13,
The spring 13 is set to promote the binding post 14;The nut 15 is enclosed on the described sleeve pipe other end, and the socket inserts the set
With the end thereof contacts of binding post 14 after the other end of pipe 11, installed and fixed by the socket and the nut, make the wiring
Post 11 is in close contact with the socket.
It should be noted that in the utility model embodiment, high voltage cable is electric power cable conventional on electric automobile, high
Pressure cable inner is fixed with one or more high-voltage wiring harness, the utility model, by the fixation of plug 1 and socket, makes high pressure
The connector lug conducting of wire harness and socket in cable, completes high voltage cable and is powered for socket.
Further, in order to reach more preferable waterproof effect, the tail pipe 16 is provided with the first sealing ring 17, and described first is close
Seal and described sleeve pipe 11 are in sealing contact.
Further, for more preferable spacing binding post, mounting hole 111, the mounting hole are additionally provided with inside described sleeve pipe 11
111 diameter is identical with one end diameter of binding post 14, so that the one end of the binding post 14 and described sleeve pipe tight clamping fit.Need
It is noted that binding post 14 is unfixed in sleeve pipe 11, it can be made in binding post 14 and sleeve pipe 11 by the promotion of spring 13
Wall clamping, further, by the spacing of mounting hole 111, makes binding post 14 by the spacing fixation completely of spring 13.
Further, fluted 112 are opened up for more preferable spacing socket, inside described sleeve pipe 11, the groove 112 and institute
Socket is stated to be adapted.It should be noted that in the utility model embodiment, socket is conventional high-tension terminal, and socket is with inserting
During first 1 grafting, it is in contact first with groove 112, is then that the other end end of sleeve pipe 11 is in contact.
Further, it is described in order that the sealing of electric automobile high-voltage wire harness plug reaches the IP67 grades of Standard
The second sealing ring 18 is provided with groove 112, the end of the other end of described sleeve pipe 11 is provided with the 3rd sealing ring 19, the wiring
The one end of post 14 is in contact through second sealing ring 18, the 3rd sealing ring 19 with the socket.
Further, in order that the nut that binding post 14 is inscribed with socket on the close contact of the end of a thread, socket and plug 1 can
Coordinate to install and fix.In order to reach sealing effectiveness, the other end end of described sleeve pipe 11 and the 3rd sealing ring 19 are located at institute
State inside nut 15.
The electric automobile high-voltage wire harness plug that the utility model is provided, its sealing, which is realized, mainly following two modes:
1) tail pipe 16 can be connected through a screw thread with sleeve pipe 11, and the sealing between tail pipe 16 and sleeve pipe 11 is ensure that using the first sealing ring 17
Property;Further, tail pipe 16 can be interior tapered, with tail pipe 16 and the close installation of sleeve pipe 11, high-voltage line cable is compressed with tail pipe;
2) sealing function is realized by the second sealing ring 18 and the 3rd sealing ring 19 between plug 1 and socket.
In the utility model embodiment, conductive implementation process is as follows:Tail pipe 16 is installed with sleeve pipe 11 and fixed, with tail pipe
16 install with sleeve pipe 11, high voltage cable holddown spring 13, make spring 13 promote binding post 14 to be contacted with jack connector head, further
The thrust that binding post 14 is contacted with jack connector head is added with tightening for socket by nut 15, reduce binding post 14 with
Contact resistance between jack connector head, it is ensured that the energy loss of connection plug, while also making connector lug because contact resistance reduces
Caloric value reduce so that the security performance of guaranteed discharge connector.
The utility model embodiment is described in detail above, embodiment used herein is to this practicality
New to be set forth, the explanation of above example is only intended to help and understands the utility model;Simultaneously for the one of this area
As technical staff, according to thought of the present utility model, will change in specific embodiments and applications, to sum up
Described, the utility model content should not be construed as to limitation of the present utility model.