CN219086192U - Butt joint plug device - Google Patents

Abstract

The utility model belongs to the technical field of batteries and discloses a butt-joint plugging device which comprises a main body, a first pair of plugs and a butt-joint plugging tube group, wherein the main body comprises a butt-joint part and a plugging part, the butt-joint part is arranged on a battery pack, the first pair of plugs comprise a first female head and a first male head which are respectively arranged on the butt-joint part and the plugging part, the first female head is connected with a power line in the battery pack, the first male head is used for connecting an external load, the butt-joint plugging tube group comprises a first pair of plugging tubes and a second pair of plugging tubes, the first pair of plugging tubes comprise a first male plugging tube and a first female plugging tube which are respectively arranged on the butt-joint part and the plugging part, the second pair of plugging tubes comprise a second male plugging tube and a second female plugging tube which are respectively arranged on the butt-joint part and the plugging part, and the first male plugging tube and the second male plugging tube are respectively communicated with a cooling water inlet tube and a cooling water outlet tube in the battery pack. The butt joint plugging device provided by the utility model effectively improves the operation efficiency of plugging and unplugging the battery pack interface, saves labor time and labor force, and also avoids the risks of interface missing and misconnection.

Description

Butt joint plug device

Technical Field

The utility model relates to the technical field of batteries, in particular to a butt-joint plugging device.

Background

The external interface of the battery pack comprises a power interface, a cooling water pipe interface and the like, wherein the power interface is used for outputting power, the power interface can supply power to an external load through a power transmission line, and the cooling water pipe interface is used for communicating with the cooling water pipeline to complete the circulation work of cooling liquid in the battery.

At present, the power interface is relatively independent with the cooling water pipe interface, so that the power interface and the cooling water pipe interface need to be plugged and disassembled one by one in the process of assembling or disassembling the battery pack external interface, manpower and material resources are consumed, the operation efficiency is affected, and the interface is in missed connection and misconnection risk also exists.

Disclosure of Invention

The utility model aims to provide a butt joint plugging device which can effectively solve the problems of low disassembly and assembly efficiency and labor and material consumption of an external interface of a battery pack in the prior art.

To achieve the purpose, the utility model adopts the following technical scheme:

a docking and plugging device, comprising:

the main body comprises a butt joint part and an inserting part, wherein the butt joint part is arranged on the battery pack, and the butt joint part and the inserting part can be detachably inserted;

the first pair of plugs comprises a first female head and a first male head which are respectively arranged on the butt joint part and the plug-in part, the first female head is electrically connected with a power line in the battery pack, and the first male head is used for connecting an external load;

the butt-joint pipe group comprises a first butt-joint pipe and a second butt-joint pipe, the first butt-joint pipe comprises a first male pipe and a first female pipe which are respectively arranged on the butt-joint part and the plug-in part, the second butt-joint pipe comprises a second male pipe and a second female pipe which are respectively arranged on the butt-joint part and the plug-in part, and the first male pipe and the second male pipe are respectively communicated with a cooling water inlet pipe and a cooling water outlet pipe in the battery pack;

when the plug-in part is plugged with the butt joint part, the first female head, the first male cannula and the second male cannula can be correspondingly plugged with the first male head, the first female cannula and the second female cannula at the same time.

Optionally, the battery pack further comprises a second pair of plugs, wherein the second pair of plugs comprise a second female head and a second male head which are respectively arranged on the butt joint part and the plug-in part, the second female head is electrically connected with a data communication line in the battery pack, and the second male head is used for connecting external communication equipment;

when the plug-in connection part is plugged in the butt joint part, the second female head can be correspondingly plugged with the second male head.

Optionally, the grafting portion has seted up the grafting groove, first public head the public head of second first female intubate with the female intubate of second is all located in the grafting groove, the butt joint portion corresponds and is equipped with grafting convex part, the holding groove has been seted up to grafting convex part, first female head the female head of second first male intubate with the public intubate of second is all located in the holding groove, grafting convex part is suitable for grafting to in the grafting groove when grafting portion with the butt joint portion is pegged graft.

Optionally, the outer peripheral wall of the grafting convex part is also provided with a first sealing ring, and the first sealing ring can seal the gap between the grafting convex part and the grafting groove.

Optionally, a clamping piece is arranged on the grafting convex part, a clamping hole is correspondingly formed in the grafting groove, and the clamping piece is suitable for being clamped in the clamping hole when the grafting convex part and the grafting groove are in place.

Optionally, the clamping piece includes fixing base, activity joint and elastic component, the fixing base is fixed in on the grafting convex part and offered the activity groove, activity joint telescopic locates in the activity inslot, the elastic component is located in the activity groove, the elastic component is suitable for providing forces activity joint relative the activity groove outwards stretches out in order with the power of joint looks joint.

Optionally, the outer side wall of grafting convex part has seted up the direction locating head, the inside wall of grafting groove has seted up the direction locating groove correspondingly, the direction locating head is suitable for when grafting convex part with the grafting groove is pegged graft in the direction locating groove.

Optionally, the first male head penetrates through the bottom of the plugging groove and is fixed on the plugging groove through a first fixing piece; the first female head penetrates through the bottom of the accommodating groove and is fixed on the accommodating groove through a second fixing piece;

the second male head penetrates through the bottom of the inserting groove and is fixed on the inserting groove through a third fixing piece; the second female head penetrates through the bottom of the accommodating groove and is fixed on the accommodating groove through a fourth fixing piece.

Optionally, the first female cannula penetrates through the bottom of the plugging groove and is fixed on the plugging groove through a fifth fixing piece; the first male cannula penetrates through the bottom of the accommodating groove and is fixed on the accommodating groove through a sixth fixing piece;

the second female insertion pipe penetrates through the bottom of the insertion groove and is fixed on the insertion groove through a seventh fixing piece; the second male cannula penetrates through the bottom of the accommodating groove and is fixed on the accommodating groove through an eighth fixing piece.

Optionally, a second sealing ring is arranged on the outer side wall of the first male cannula, and the second sealing ring can seal a gap between the first male cannula and the first female cannula;

the outer side wall of the second male cannula is provided with a third sealing ring, and the third sealing ring can seal a gap between the second male cannula and the second female cannula.

The beneficial effects are that:

the utility model provides a butt joint plugging device, wherein a butt joint part is arranged on a battery pack, a first female head, a first male insertion pipe and a second male insertion pipe are arranged on the butt joint part, and the first male head, the first female insertion pipe and the second female insertion pipe are arranged on a plugging part. Specifically, after the first female head is spliced with the first male head, the battery pack can supply power to the external load when the external load is connected with the first male head; after the first male cannula and the second male cannula are respectively inserted into the first female cannula and the second female cannula, the first female cannula and the second female cannula can be communicated with the cooling water inlet pipe and the cooling water outlet pipe inside the battery pack when the external cooling circulation pipeline is connected, so that the circulation work of cooling water in the battery pack is ensured. When the plugging part and the butt joint part are installed and plugged, the first female head, the first male insertion pipe and the second male insertion pipe can be correspondingly plugged with the first male head, the first female insertion pipe and the second female insertion pipe at the same time; when the plug-in part is pulled out from the butt joint part for separation, the first female head, the first male insertion pipe and the second male insertion pipe can be simultaneously separated from the first male head, the first female insertion pipe and the second female insertion pipe, so that the complex process of one-to-one plug-in of the first pair of plugs, the first pair of insertion pipes and the second pair of insertion pipes is simplified, the operation efficiency is effectively improved, the working time and labor are saved, and the risks of interface missing and wrong connection are avoided.

Drawings

FIG. 1 is a schematic view of a docking and plugging device according to the present utility model;

fig. 2 is a schematic structural diagram of another view angle of the plugging device according to the present utility model;

FIG. 3 is an exploded view of a docking and plugging device according to the present utility model;

FIG. 4 is an exploded view of a docking and plugging device according to another aspect of the present utility model;

FIG. 5 is an exploded schematic view of a body portion provided by the present utility model;

FIG. 6 is an exploded view of the clip according to the present utility model;

fig. 7 is a schematic cross-sectional view of a clip according to the present utility model.

In the figure:

100. a main body; 110. a butt joint part; 111. a plug-in convex part; 1111. a guide positioning head; 112. a receiving groove; 1121. a second mounting hole; 1122. a sixth mounting hole; 1123. an eighth mounting hole; 1124. a fourth mounting hole; 120. a plug-in part; 121. a plug-in groove; 1211. a clamping hole; 1212. a guide positioning groove; 1213. a first mounting hole; 1214. a fifth mounting hole; 1215. a seventh mounting hole; 1216. a third mounting hole; 130. a first seal ring; 140. a clamping piece; 141. a fixing seat; 1411. a movable groove; 142. a movable clamping joint; 143. an elastic member;

200. a first pair of plugs; 210. a first female head; 220. a first male;

300. a butt-plug tube group; 310. a first pair of cannulas; 311. a first male cannula; 312. a first female cannula; 313. a second seal ring; 320. a second pair of cannulas; 321. a second male cannula; 322. a second female cannula; 323. a third seal ring;

400. a second pair of plugs; 410. a second female head; 420. a second male;

510. a first fixing member; 520. a second fixing member; 530. a third fixing member; 540. a fourth fixing member; 550. a fifth fixing member; 560. a sixth fixing member; 570. a seventh fixing member; 580. eighth fixing member.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides a butt-joint plugging device. Referring to fig. 1 to 4, the docking and plugging device includes a main body 100, a first pair of plugs 200 and a docking and plugging tube set 300, wherein the main body 100 includes a docking portion 110 and a plugging portion 120, the docking portion 110 is disposed on a battery pack, the docking portion 110 is detachably plugged with the plugging portion 120, the first pair of plugs 200 includes a first female plug 210 and a first male plug 220 disposed on the docking portion 110 and the plugging portion 120, respectively, the first female plug 210 is electrically connected with a power line in the battery pack, the first male plug 220 is used for connecting an external load, the docking and plugging tube set 300 includes a first pair of plugging tubes 310 and a second pair of plugging tubes 320, the first pair of plugging tubes 310 includes a first male plug 311 and a first female plug 312 disposed on the docking portion 110 and the plugging portion 120, respectively, the second pair of plugging tubes 320 includes a second male plug 321 and a second female plug 322 disposed on the docking portion 110 and the plugging portion 120, respectively, and the first male plug 311 and the second male plug 321 are respectively communicated with a cooling water inlet pipe and a cooling water outlet pipe in the battery pack. When the plugging portion 120 is plugged with the docking portion 110, the first female connector 210, the first male cannula 311 and the second male cannula 321 can be plugged with the first male connector 220, the first female cannula 312 and the second female cannula 322 at the same time.

In this embodiment, after the first female connector 210 is plugged with the first male connector 220, the battery pack can supply power to the external load when the external load is connected with the first male connector 220; after the first male cannula 311 and the second male cannula 321 are respectively inserted into the first female cannula 312 and the second female cannula 322, the first female cannula 312 and the second female cannula 322 can be communicated with a cooling water inlet pipe and a cooling water outlet pipe inside the battery pack when an external cooling circulation pipeline is connected, so that the circulation work of cooling water in the battery pack is ensured. When the plugging portion 120 is installed and plugged with the docking portion 110, the first female connector 210, the first male cannula 311 and the second male cannula 321 can be plugged with the first male connector 220, the first female cannula 312 and the second female cannula 322 at the same time; when the plug-in portion 120 is pulled out from the butt-joint portion 110 for separation, the first female connector 210, the first male connector 311 and the second male connector 321 can be simultaneously separated from the first male connector 220, the first female connector 312 and the second female connector 322, so that the complex process of one-to-one plugging and pulling out of the first pair of plugs 200, the first pair of connectors 310 and the second pair of connectors 320 is simplified, the operation efficiency is effectively improved, the working time and labor are saved, and the risks of interface missing and wrong connection are avoided.

In this embodiment, as shown in fig. 1 to 4, the docking and plugging device further includes a second pair of plugs 400, the second pair of plugs 400 includes a second female connector 410 and a second male connector 420 respectively disposed on the docking portion 110 and the plugging portion 120, the second female connector 410 is electrically connected to a data communication line in the battery pack, and the second male connector 420 is used for connecting to an external communication device. Specifically, after the second female connector 410 is plugged with the second male connector 420, the battery pack can interact with data information of the external communication device when the external communication device is connected with the second male connector 420, so that real-time monitoring of various data information of the battery pack is ensured. When the plugging portion 120 is installed and plugged with the docking portion 110, the first female connector 210, the second female connector 410, the first male cannula 311 and the second male cannula 321 can be plugged with the first male connector 220, the second male connector 420, the first female cannula 312 and the second female cannula 322 at the same time; when the plug-in portion 120 is pulled out from the docking portion 110, the first female connector 210, the second female connector 410, the first male connector 311 and the second male connector 321 can be simultaneously separated from the first male connector 220, the second male connector 420, the first female connector 312 and the second female connector 322, so that the second pair of plugs 400 is prevented from being independently plugged and pulled out, the operation efficiency is further improved, and the working hours and the labor force are saved.

In this embodiment, the first pair of plugs 200, the second pair of plugs 400, the first pair of cannulas 310 and the second pair of cannulas 320 are all of the prior art, and will not be described herein in detail.

In the present embodiment, referring to fig. 3 to 5, the plugging portion 120 is provided with a plugging slot 121, the first male connector 220, the second male connector 420, the first female connector 312 and the second female connector 322 are all disposed in the plugging slot 121, the docking portion 110 is correspondingly provided with a plugging protrusion 111, the plugging protrusion 111 is provided with a receiving slot 112, the first female connector 210, the second female connector 410, the first male connector 311 and the second male connector 321 are all disposed in the receiving slot 112, and the plugging protrusion 111 is adapted to be plugged into the plugging slot 121 when the plugging portion 120 and the docking portion 110 are plugged. In this embodiment, the first male head 220, the second male head 420, the first female cannula 312 and the second female cannula 322 are all disposed in the insertion groove 121, the first female head 210, the second female head 410, the first male cannula 311 and the second male cannula 321 are all disposed in the accommodating groove 112, when the insertion portion 120 and the docking portion 110 are inserted, the insertion protrusion 111 can be inserted into the insertion groove 121, the insertion portion of the first male head 220 and the first female head 210, the insertion portion of the second male head 420 and the second female head 410, the insertion portion of the first male cannula 311 and the first female cannula 312, and the insertion portion of the second male cannula 321 and the second female cannula 322 are all disposed in the fastening space formed after the insertion portion 120 and the docking portion 110 are inserted, so as to reliably and effectively protect the first pair of plugs 200, the second pair of plugs 400, the first pair of cannulas 310 and the second pair cannulas 320, and ensure the effectiveness and reliability of insertion.

Further, the outer peripheral wall of the insertion protrusion 111 is further provided with a first seal ring 130. The first sealing ring 130 can seal the gap between the plugging convex portion 111 and the plugging groove 121, further prevent external dust and vapor impurities from entering into a buckling space formed after the plugging portion 120 and the butt joint portion 110 are plugged through the gap, and further protect the first pair of plugs 200, the second pair of plugs 400, the first pair of insertion tubes 310 and the second pair of insertion tubes 320 in the buckling space.

Preferably, the inner groove wall of the plugging groove 121 is further provided with an engagement groove adapted to the first sealing ring 130, and when the plugging portion 120 and the abutting portion 110 are plugged in place, the first sealing ring 130 on the plugging convex portion 111 is embedded into the engagement groove, so as to further ensure the sealing effect.

In this embodiment, the material of the first sealing ring 130 may be rubber, or may be other materials, which is not limited herein.

Further, the outer side wall of the plugging protrusion 111 is provided with a guiding and positioning head 1111, the inner side wall of the plugging groove 121 is correspondingly provided with a guiding and positioning groove 1212, and the guiding and positioning head 1111 is suitable for sliding in the guiding and positioning groove 1212 when the plugging protrusion 111 is plugged with the plugging groove 121. The guiding positioning head 111 and the guiding positioning groove 1212 can further ensure the reliability and accuracy of positioning when the plugging portion 120 and the docking portion 110 are plugged, and also avoid the first pair of plugs 200, the second pair of plugs 400, the first pair of cannulas 310 and/or the second pair of cannulas 320 from being damaged due to the misplacement plugging of the plugging portion 120 and the docking portion 110.

Preferably, the guide positioning heads 1111 are provided in a plurality corresponding to the number of the guide positioning grooves 1212, so that the reliability of the guide positioning when the plugging portion 120 is plugged into the docking portion 110 can be further ensured.

Further, as shown in fig. 3 to 5, the first male head 220 penetrates through the bottom of the plugging slot 121 and is fixed on the plugging slot 121 by the first fixing member 510; the first female 210 penetrates through the bottom of the accommodating groove 112 and is fixed on the accommodating groove 112 through the second fixing piece 520. Specifically, the bottom of the plugging slot 121 is provided with a first mounting hole 1213 through which the first male head 220 passes, and a side of the first male head 220 opposite to the first female head 210 passes through the first mounting hole 1213 and is used for connecting an external load. The first fixing piece 510 is fixedly sleeved on the first male head 220, the first fixing piece 510 and the bottom of the plugging slot 121 are respectively provided with a first connecting hole and a second connecting hole, and the first connecting hole and the second connecting hole are preferably connected through a bolt assembly, so that the first male head 220 is fixed on the bottom of the plugging slot 121 through the bolt assembly. The bottom of the accommodating groove 112 is provided with a second mounting hole 1121 for the first female head 210 to penetrate, and one side of the first female head 210, which is opposite to the first male head 220, penetrates through the second mounting hole 1121 and is used for connecting a power line in the battery pack. The second fixing piece 520 is fixedly sleeved on the first female head 210, the second fixing piece 520 and the bottom of the accommodating groove 112 are respectively provided with a third connecting hole and a fourth connecting hole, and the third connecting hole and the fourth connecting hole are preferably connected through a bolt assembly, so that the first female head 210 is fixed on the bottom of the accommodating groove 112 through the bolt assembly.

The second male head 420 penetrates through the bottom of the inserting groove 121 and is fixed on the inserting groove 121 through the third fixing piece 530; the second female 410 penetrates through the bottom of the accommodating groove 112 and is fixed on the accommodating groove 112 through the fourth fixing member 540. Specifically, a third mounting hole 1216 for the second male head 420 to penetrate is formed at the bottom of the plugging slot 121, and one side of the second male head 420 opposite to the second female head 410 penetrates the third mounting hole 1216 and is used for connecting with external communication equipment. The third fixing piece 530 is fixedly sleeved on the second male head 420, the third fixing piece 530 and the bottom of the plugging slot 121 are respectively provided with a fifth connecting hole and a sixth connecting hole, and the fifth connecting hole and the sixth connecting hole are preferably connected through a bolt assembly, so that the second male head 420 is fixed on the bottom of the plugging slot 121 through the bolt assembly. The bottom of the accommodating groove 112 is provided with a fourth mounting hole 1124 for the second female head 410 to penetrate, and one side of the second female head 410, which is opposite to the second male head 420, penetrates through the fourth mounting hole 1124 and is used for connecting a data communication line in the battery pack. The fourth fixing member 540 is fixedly sleeved on the second female head 410, and the fourth fixing member 540 and the bottom of the accommodating groove 112 are respectively provided with a seventh connecting hole and an eighth connecting hole, which are preferably connected through a bolt assembly, so that the second female head 410 is fixed on the bottom of the accommodating groove 112 through the bolt assembly.

Further, as shown in fig. 3 to 5, the first female cannula 312 penetrates the bottom of the insertion groove 121 and is fixed to the insertion groove 121 by the fifth fixing member 550; the first male cannula 311 penetrates through the bottom of the accommodating groove 112 and is fixed to the accommodating groove 112 by the sixth fixing member 560. Specifically, a fifth mounting hole 1214 through which the first female cannula 312 passes is formed at the bottom of the plugging groove 121, and one side of the first female cannula 312 opposite to the first male cannula 311 passes through the fifth mounting hole 1214 and is used for connecting with a water inlet end of an external cooling circulation pipeline. The fifth fixing member 550 is fixedly sleeved on the first female insertion tube 312, and a ninth connecting hole and a tenth connecting hole are respectively and correspondingly formed in the bottom of the fifth fixing member 550 and the bottom of the inserting groove 121, and the ninth connecting hole and the tenth connecting hole are preferably connected through a bolt assembly, so that the first female insertion tube 312 is fixed on the bottom of the inserting groove 121 through the bolt assembly. A sixth mounting hole 1122 through which the first male insertion tube 311 passes is formed in the bottom of the accommodating groove 112, and one side of the first male insertion tube 311, which is opposite to the first female insertion tube 312, passes through the sixth mounting hole 1122 and is used for connecting with a cooling water inlet tube in the battery pack. The sixth fixing piece 560 is fixedly sleeved on the first male cannula 311, the sixth fixing piece 560 and the bottom of the accommodating groove 121 are respectively provided with an eleventh connecting hole and a twelfth connecting hole, and the eleventh connecting hole and the twelfth connecting hole are preferably connected through a bolt assembly, so that the first male cannula 311 is fixed on the bottom of the accommodating groove 112 through the bolt assembly.

The second female insertion tube 322 penetrates through the bottom of the insertion groove 121 and is fixed on the insertion groove 121 through a seventh fixing member 570; the second male cannula 321 penetrates the bottom of the accommodating groove 112 and is fixed to the accommodating groove 112 by the eighth fixing piece 580. Specifically, a seventh mounting hole 1215 through which the second female insertion tube 322 passes is formed at the bottom of the insertion groove 121, and a side of the second female insertion tube 322 opposite to the second male insertion tube 321 passes through the seventh mounting hole 1215 and is used for connecting with a water outlet end of an external cooling circulation pipeline. The seventh fixing element 570 is fixedly sleeved on the second female insertion tube 322, and a thirteenth connecting hole and a fourteenth connecting hole are respectively correspondingly formed in the bottom of the seventh fixing element 570 and the bottom of the inserting groove 121, and the thirteenth connecting hole and the fourteenth connecting hole are preferably connected through a bolt assembly, so that the second female insertion tube 322 is fixed on the bottom of the inserting groove 121 through the bolt assembly. An eighth mounting hole 1123 for the second male insertion tube 321 to penetrate is formed in the bottom of the accommodating groove 112, and one side of the second male insertion tube 321, which is opposite to the second female insertion tube 322, penetrates through the eighth mounting hole 1123 and is used for being connected with a cooling water outlet pipe in the battery pack. The eighth fixing piece 580 is fixedly sleeved on the second male insertion tube 321, a thirteenth connecting hole and a fourteenth connecting hole are respectively correspondingly formed in the bottom of the accommodating groove 112 and are preferably connected through a bolt assembly, so that the second male insertion tube 321 is fixed at the bottom of the accommodating groove 112 through the bolt assembly.

Further, referring to fig. 3 to 4, a second sealing ring 313 is provided on the outer sidewall of the first male cannula 311. The second sealing ring 313 can seal the gap between the first male cannula 311 and the first female cannula 312, so that the condition that cooling water leaks in the gap between the first male cannula 311 and the first female cannula 312 is avoided.

A third sealing ring 323 is arranged on the outer side wall of the second male cannula 321. The third sealing ring 323 can block the gap between the second male cannula 321 and the second female cannula 322, so that the condition that cooling water leaks in the gap between the second male cannula 321 and the second female cannula 322 is avoided.

In the present embodiment, the materials of the second seal ring 313 and the third seal ring 323 may be rubber or other materials, and are not limited thereto.

Further, referring to fig. 3 and fig. 5 to fig. 7, the plugging protrusion 111 is provided with a locking member 140, the plugging groove 121 is correspondingly provided with a locking hole 1211, and the locking member 140 is adapted to be locked in the locking hole 1211 when the plugging protrusion 111 and the plugging groove 121 are plugged in place. The provision of the engaging member 140 and the engaging hole 1211 can ensure reliable and effective fixation when both the docking portion 110 and the insertion portion 120 are inserted in place.

Preferably, a plurality of clamping members 140 and clamping holes 1211 are provided correspondingly, so that the reliable fixing between the docking portion 110 and the plugging portion 120 can be further ensured.

Specifically, the clamping member 140 includes a fixing base 141, a movable clamping connector 142 and an elastic member 143, the fixing base 141 is fixed on the plugging protrusion 111 and provided with a movable slot 1411, the movable clamping connector 142 is telescopically disposed in the movable slot 1411, the elastic member 143 is disposed in the movable slot 1411, and the elastic member 143 is adapted to provide a force for forcing the movable clamping connector 142 to extend outwards relative to the movable slot 1411 so as to be clamped with the clamping hole 1211. Specifically, when the inner wall of the insertion groove 121 on the insertion portion 120 contacts the movable clip 142 in the process of inserting the docking portion 110 and the insertion portion 120, the movable clip 142 is pushed towards the inner side of the movable groove 1411 to retract the movable clip 142 into the movable groove 1411 of the fixed seat 141, and the elastic member 143 is compressed; then, the plugging portion 120 continues to plug with respect to the docking portion 110 until the plugging portion 120 moves to a position corresponding to the clamping hole 1211 of the movable clamping connector 142, which represents that the plugging is in place, and at this time, the elastic member 143 stretches under the action of the elastic force and drives the movable clamping connector 142 to extend out of the movable slot 1411 and penetrate through the clamping hole 1211, so as to achieve effective clamping with the clamping hole 1211.

Preferably, the end of the movable catch 142 is provided as a slope that is provided obliquely downward along the side toward the tip of the insertion projection 111. So set up, can more effectively push away movable joint 142 when the inner wall of grafting groove 121 and movable joint 142 contact on grafting portion 120 to make movable joint 142 retract to movable groove 1411 effectively reliably, avoid the inner wall of grafting groove 121 to block with movable joint 142 and support in order to influence subsequent grafting process.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A docking and plugging device, comprising:

the main body (100) comprises a butt joint part (110) and an inserting part (120), wherein the butt joint part (110) is arranged on the battery pack, and the butt joint part (110) and the inserting part (120) are detachably inserted;

the first pair of plugs (200) comprises a first female head (210) and a first male head (220) which are respectively arranged on the butt joint part (110) and the plug-in part (120), the first female head (210) is electrically connected with a power line in the battery pack, and the first male head (220) is used for connecting an external load;

the butt joint pipe group (300) comprises a first butt joint pipe (310) and a second butt joint pipe (320), the first butt joint pipe (310) comprises a first male pipe (311) and a first female pipe (312) which are respectively arranged on the butt joint part (110) and the plug joint part (120), the second butt joint pipe (320) comprises a second male pipe (321) and a second female pipe (322) which are respectively arranged on the butt joint part (110) and the plug joint part (120), and the first male pipe (311) and the second male pipe (321) are respectively communicated with a cooling water inlet pipe and a cooling water outlet pipe in the battery pack;

when the plugging part (120) is plugged with the butt joint part (110), the first female head (210), the first male cannula (311) and the second male cannula (321) can be plugged with the first male head (220), the first female cannula (312) and the second female cannula (322) correspondingly at the same time.

2. The docking and plugging device according to claim 1, further comprising a second pair of plugs (400), the second pair of plugs (400) comprising a second female head (410) and a second male head (420) provided on the docking portion (110) and the plugging portion (120), respectively, the second female head (410) being electrically connected to a data communication line in the battery pack, the second male head (420) being for connecting to an external communication device;

when the plug-in connection part (120) is plugged in the butt joint part (110), the second female head (410) can be correspondingly plugged with the second male head (420).

3. The plugging and unplugging device according to claim 2, wherein the plugging portion (120) is provided with a plugging slot (121), the first male head (220), the second male head (420), the first female cannula (312) and the second female cannula (322) are all arranged in the plugging slot (121), the plugging portion (110) is correspondingly provided with a plugging convex portion (111), the plugging convex portion (111) is provided with a containing slot (112), the first female head (210), the second female head (410), the first male cannula (311) and the second male cannula (321) are all arranged in the containing slot (112), and the plugging convex portion (111) is suitable for being plugged into the plugging slot (121) when the plugging portion (120) and the plugging portion (110) are plugged.

4. A docking and plugging device according to claim 3, characterized in that the outer peripheral wall of the plugging protrusion (111) is further provided with a first sealing ring (130), said first sealing ring (130) being capable of plugging a gap between the plugging protrusion (111) and the plugging groove (121).

5. A docking and plugging device according to claim 3, wherein the plugging protrusion (111) is provided with a clamping member (140), the plugging groove (121) is correspondingly provided with a clamping hole (1211), and the clamping member (140) is adapted to be clamped in the clamping hole (1211) when the plugging protrusion (111) and the plugging groove (121) are plugged in place.

6. The plugging and unplugging device according to claim 5, wherein the clamping member (140) comprises a fixing seat (141), a movable clamping connector (142) and an elastic member (143), the fixing seat (141) is fixed on the plugging convex portion (111) and provided with a movable groove (1411), the movable clamping connector (142) is telescopically arranged in the movable groove (1411), the elastic member (143) is arranged in the movable groove (1411), and the elastic member (143) is suitable for providing a force for forcing the movable clamping connector (142) to extend outwards relative to the movable groove (1411) so as to be clamped with the clamping hole (1211).

7. A docking and plugging device according to claim 3, wherein the outer side wall of the plugging protrusion (111) is provided with a guiding positioning head (1111), the inner side wall of the plugging groove (121) is correspondingly provided with a guiding positioning groove (1212), and the guiding positioning head (1111) is adapted to slide in the guiding positioning groove (1212) when the plugging protrusion (111) is plugged into the plugging groove (121).

8. A docking and plugging device according to claim 3, wherein said first male head (220) penetrates the bottom of said plugging slot (121) and is fixed to said plugging slot (121) by a first fixing member (510); the first female head (210) penetrates through the bottom of the accommodating groove (112) and is fixed on the accommodating groove (112) through a second fixing piece (520);

the second male head (420) penetrates through the bottom of the inserting groove (121) and is fixed on the inserting groove (121) through a third fixing piece (530); the second female head (410) penetrates through the bottom of the accommodating groove (112) and is fixed on the accommodating groove (112) through a fourth fixing piece (540).

9. A docking and plugging device according to claim 3, wherein the first female cannula (312) penetrates the bottom of the plugging slot (121) and is fixed to the plugging slot (121) by a fifth fixing member (550); the first male insertion pipe (311) penetrates through the bottom of the accommodating groove (112) and is fixed on the accommodating groove (112) through a sixth fixing piece (560);

the second female insertion tube (322) penetrates through the bottom of the insertion groove (121) and is fixed on the insertion groove (121) through a seventh fixing piece (570); the second male cannula (321) penetrates through the bottom of the accommodating groove (112) and is fixed on the accommodating groove (112) through an eighth fixing piece (580).

10. The plugging and unplugging device according to claim 1, wherein a second sealing ring (313) is arranged on the outer side wall of the first male cannula (311), and the second sealing ring (313) can seal a gap between the first male cannula (311) and the first female cannula (312);

a third sealing ring (323) is arranged on the outer side wall of the second male insertion tube (321), and the third sealing ring (323) can seal a gap between the second male insertion tube (321) and the second female insertion tube (322).

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