CN217544936U

CN217544936U - Cable coupling assembling and rifle that charges

Info

Publication number: CN217544936U
Application number: CN202221054607.4U
Authority: CN
Inventors: 杜青林; 肖飞; 徐文军; 杨腾; 张强
Original assignee: Shenzhen Woer Heat Shrinkable Material Co Ltd; Shenzhen Woer New Energy Electric Technology Co Ltd
Current assignee: Shenzhen Woer New Energy Electric Technology Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-10-04
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a cable coupling assembling and rifle that charges, cable coupling assembling includes: a sleeve axially formed with a cavity, the sleeve having opposing first and second ends; a first liquid-cooled tube connected to the first end; the second liquid cooling pipe is connected to the side wall of the sleeve, and the first liquid cooling pipe, the second liquid cooling pipe and the cavity are communicated to form a liquid flow channel for flowing of cooling liquid; and the copper bar is arranged at the second end, the copper bar faces one side of the sleeve, a mounting hole is formed in the copper bar, and the mounting hole is communicated with the cavity, so that one end of a charging cable is inserted into the mounting hole through the cavity, and the charging cable is electrically connected with the copper bar. The utility model provides a cable coupling assembling and rifle that charges has solved the complicated technical problem of present cable connector structure.

Description

Cable coupling assembling and rifle that charges

Technical Field

The utility model relates to a charging cable field especially relates to a cable coupling assembling and rifle that charges.

Background

With the development of society and the improvement of environmental awareness of people, new energy automobiles are favored by more and more consumers, the importance of charging accessories related to the new energy automobiles is gradually highlighted, and the connector is one of extremely important components in the new energy automobile industry. The cable and the charging terminal are connected through the connector, so that the charging of the new energy automobile is realized by using the charging gun. However, the existing connector is complex in structure and low in assembly efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cable coupling assembling and rifle that charges aims at solving the complicated technical problem of present cable connector structure.

In order to achieve the above object, an embodiment of the present invention provides a cable connection assembly, the cable connection assembly includes:

a sleeve axially formed with a cavity, the sleeve having opposing first and second ends;

a first liquid-cooled tube connected to the first end;

the second liquid cooling pipe is connected to the side wall of the sleeve, and the first liquid cooling pipe, the second liquid cooling pipe and the cavity are communicated to form a liquid flow channel for flowing of cooling liquid; and

the copper bar, the copper bar is located the second end, the copper bar orientation the mounting hole has been seted up to telescopic one side, the mounting hole with the cavity intercommunication to make the one end warp of charging cable the cavity inserts in the mounting hole, realize the charging cable with the electricity of copper bar is connected.

Optionally, in an embodiment of the present invention, the first liquid cooling pipe is sleeved outside the first end of the sleeve, the cable connecting assembly further includes a fastener, and the fastener is sleeved outside the first liquid cooling pipe to lock and fix the first liquid cooling pipe and the first end of the sleeve.

Optionally, in an embodiment of the invention, the fastener is a steel hoop.

Optionally, in an embodiment of the present invention, the first end of the sleeve is provided with a protrusion, the protrusion extends in a direction away from the outer wall of the sleeve, and the first liquid cooling pipe is in interference fit with the sleeve through the protrusion.

Optionally, in an embodiment of the present invention, the cable connection assembly further includes:

the base is connected to the side wall of the sleeve and is provided with a sub-cavity communicated with the cavity; and

the adapter, with the base spiro union, the second liquid cooling pipe box is located the one end of adapter, in order to pass through the adapter realize with the intercommunication of cavity.

Optionally, in an embodiment of the present invention, the adapter includes a first adapter tube and a second adapter tube that are communicated with each other, wherein the first adapter tube is connected with the base screw, and the second liquid cooling pipe is disposed on an outer peripheral surface of the second adapter tube.

Optionally, in an embodiment of the present invention, the adapter further includes a nut, the nut sleeve is disposed on the outer peripheral surface of the second liquid cooling pipe, and is connected to the first adapter through a screw thread, so as to lock the second liquid cooling pipe on the outer peripheral surface of the second adapter.

Optionally, in an embodiment of the present invention, the cable connection assembly further includes a cold liquid communication hole provided on the base and communicated with the sub-cavity, and a plugging member for opening or closing the cold liquid communication hole.

Optionally, in an embodiment of the present invention, a sealing ring is disposed between the plugging member and the base.

In order to achieve the above object, an embodiment of the present invention provides a charging gun, including any one of the above embodiments of the cable connection assembly.

Compared with the prior art, the utility model provides an among the technical scheme, through set up the mounting hole on the copper bar for the one end of cable can directly stretch into the mounting hole and fix, has realized the electricity of cable and copper bar and has connected, and the copper bar can be connected in order to realize charging of new forms of energy electric motor car with power supply unit's plug terminal or socket. In addition, the arrangement of the inner core of the contact pin is cancelled, the cable is directly electrically connected with the copper bar, the number of parts used in matching is reduced, and the production cost and the process complexity are reduced. In addition, the copper bar sets up at telescopic second end, and the cable also is located the sleeve, when the coolant liquid flows in the flow channel, can take away the heat on cable surface, and/or the heat of cable and copper bar junction to the realization is to the cooling of cable and copper bar, improves the security of cable coupling assembling when charging.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a cable connection assembly according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

fig. 3 is an angle schematic view of the cable connection assembly according to the embodiment of the present invention;

fig. 4 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Sleeve barrel	110	Cavity body
200	First liquid cooling pipe	300	Second liquid cooling pipe
				400	Copper bar	410	Mounting hole
500	Fastening piece	600	Projecting part
				700	Base seat	710	Cold liquid intercommunicating pore
800	Adapter	810	First adapter tube
				820	Second adapter tube	830	Nut
900	Plugging piece

The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope protected by the embodiments of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions related to "first", "second", and the like in the embodiments of the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the embodiments of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "fixed" and the like are to be understood in a broad sense, for example, "fixed" may be a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention can be combined with each other, but it is necessary to use a person having ordinary skill in the art as a basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope claimed by the embodiments of the present invention.

With the development of the automobile industry, new energy automobiles are more and more popular in the market. In order to meet the endurance requirement of the new energy automobile, the new energy automobile is generally required to be charged in time. At present, a charging terminal is generally used for charging a new energy automobile, but the structure of the existing charging terminal is complex, the process is complex during production and assembly, and the improvement of the assembly efficiency is restricted.

In view of this, the embodiment of the utility model provides a through providing a cable coupling assembling and the rifle that charges, set up the mounting hole on the copper bar, fix the one end of the cable that charges in the mounting hole, cancelled the setting of other unnecessary parts such as contact pin inner core, reduced the use quantity of part, simplified the equipment flow. In addition, utilize first liquid cooling pipe, second liquid cooling pipe and telescopic cavity to form liquid flow channel jointly, the coolant liquid flows in liquid flow channel, can take away the heat on charging cable surface, and the security when the guarantee electric automobile charges in time dispels the heat.

In order to better understand the technical scheme, the technical scheme is described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, an embodiment of the present invention provides a cable connection assembly, which includes:

a sleeve 100 axially formed with a cavity 110, the sleeve 100 having opposite first and second ends;

a first liquid-cooled tube 200 connected to the first end;

the second liquid cooling pipe 300 is connected to the side wall of the sleeve 100, and the first liquid cooling pipe 200, the second liquid cooling pipe 300 and the cavity 110 are communicated to form a liquid flow channel for flowing cooling liquid; and

copper bar 400, copper bar 400 locate the second and hold, and mounting hole 410 has been seted up towards one side of sleeve 100 to copper bar 400, mounting hole 410 and cavity 110 intercommunication to make the one end of the cable that charges insert in mounting hole 410 through cavity 110, realize the electric connection of the cable that charges and copper bar 400.

In the technical scheme that this embodiment adopted, through set up mounting hole 410 on copper bar 400 for the one end of cable can directly stretch into mounting hole 410 and fix, has realized the electricity connection of cable and copper bar 400, and copper bar 400 can be connected in order to realize charging of new forms of energy electric motor car with power supply unit's plug terminal or socket. In addition, the arrangement of the inner core of the contact pin is cancelled, and the cable is directly electrically connected with the copper bar 400, so that the number of parts used in matching is reduced, and the production cost and the process complexity are reduced. In addition, copper bar 400 sets up the second end at sleeve 100, and the cable also is located sleeve 100, and when the coolant liquid flowed in the fluid flow channel, can take away the heat on cable surface, and/or the heat of cable and copper bar 400 junction to the realization is to the cooling of cable and copper bar 400, improves the security of cable coupling assembling when charging.

Specifically, the cable connection assembly that proposes in this embodiment can be applied to the socket that charges of new forms of energy electric motor car, is connected in order to realize charging with power supply unit's plug terminal or socket. The cable connection assembly in this embodiment may include a sleeve 100, a first liquid-cooled tube 200, a second liquid-cooled tube 300, and a copper bar 400.

The sleeve 100 is mainly used for forming a liquid flow channel and accommodating a charging cable, the external shape of the sleeve 100 can be designed according to actual requirements, and the sleeve only needs to be matched with a corresponding socket, and most of the sleeve is cylindrical in practical application. The interior of the sleeve 100 is hollow to form a cavity 110, and the cavity 110 extends in the axial direction of the sleeve 100. It is understood that openings communicating with the cavity 110 are formed at both ends of the sleeve 100, respectively. It will be appreciated that the sleeve 100 has first and second opposite ends in the length direction, with the cavity 110 extending from the first end toward the second end.

Copper bar 400 sets up the second end at sleeve 100, and the opening of shutoff second end, can with sleeve 100 integrated into one piece, so can improve the stability that copper bar 400 and sleeve 100 are connected. The copper bar 400 may be made of copper alloy or pure copper, and generally needs to be surface-treated with nickel plating, silver plating, etc., so as to improve the conductivity. The side of the copper bar 400 facing the sleeve 100 is provided with a mounting hole 410 for mounting a charging cable, so as to realize the electrical connection between the charging cable and the copper bar 400. The mounting hole 410 may be a circular hole or a square hole, which is not limited herein. In practical application, the charging cable is matched with the charging cable only in shape. The opening direction of mounting hole 410 is towards the cavity 110 of sleeve 100, and it can be understood that, when connecting charging cable and copper bar 400, stretch into sleeve 100 with charging cable's one end earlier, along with charging cable is constantly deep in sleeve 100, charging cable's one end stretches into in mounting hole 410, can fix in mounting hole 410 through the mode of crimping to electric connection between charging cable and the copper bar 400 has been realized. Through the direct mode of being connected with copper bar 400 of charging cable, cancelled the setting of unnecessary spare part such as contact pin inner core, when having reduced the charging cable and being connected with copper bar 400, the equipment flow has been simplified to the spare part quantity that uses for overall structure is simpler, facilitates the use.

The first liquid-cooling pipe 200 and the second liquid-cooling pipe 300 are mainly used for inputting and outputting cooling liquid, and may be made of a flexible material with good insulation, for example, a flexible rubber pipe or a flexible plastic pipe. The first liquid-cooling pipe 200 is disposed at a first end of the sleeve 100, the second liquid-cooling pipe 300 is disposed at a side wall of the sleeve 100, and both the first liquid-cooling pipe 200 and the second liquid-cooling pipe 300 are communicated with the cavity 110 of the sleeve 100. So configured, the first liquid-cooling tube 200, the second liquid-cooling tube 300 and the cavity 110 of the sleeve 100 together form a liquid flow passage. When the coolant liquid flows in the liquid flow channel, the heat on the surface of the charging cable can be taken away, and the connecting position of the charging cable and the copper bar 400 can be cooled, so that the effective heat dissipation of a heating area is realized, the safety of the cable connecting assembly during use is guaranteed, and the service life is prolonged. In the present embodiment, the cooling liquid may flow in from the first liquid-cooling pipe 200 while flowing out from the second liquid-cooling pipe 300; or from the second liquid-cooled tube 300 and simultaneously from the first liquid-cooled tube 200. It is understood that the flowing direction of the cooling liquid is not limited in this embodiment, and the flowing direction of the cooling liquid can be set according to the actual product requirement. In general, the cooling liquid in this embodiment may be an insulating liquid with good thermal conductivity, for example, any one of transformer oil, capacitor oil, cable oil, silicone oil, and mineral oil may be used.

Further, referring to fig. 1 and 2, in an embodiment of the present invention, the first liquid-cooling pipe 200 is sleeved outside the first end of the sleeve 100, the cable connection assembly further includes a fastening member 500, and the fastening member 500 is sleeved outside the first liquid-cooling pipe 200 to lock and fix the first liquid-cooling pipe 200 and the first end of the sleeve 100.

In the technical scheme adopted in this embodiment, the inner diameter of the first liquid-cooling pipe 200 is greater than or equal to the outer diameter of the first end of the sleeve 100, so that the first liquid-cooling pipe 200 can be sleeved on the outer peripheral surface of the first end of the sleeve 100, and the first liquid-cooling pipe 200 and the sleeve 100 can be connected and fixed simply and conveniently in a sleeved mode. In order to improve the reliability of the fixation of the first liquid-cooled tube 200 and the sleeve 100, a fastener 500 is provided. The fastener 500 is sleeved outside the first liquid cooling pipe 200, and may be a binding wire or a nut 830, so as to securely fix the first liquid cooling pipe 200 and the sleeve 100.

Further, in an embodiment of the present invention, the fastening member 500 is a steel hoop.

In the technical solution adopted in this embodiment, the steel hoop is sleeved on the outer peripheral surface of the first liquid-cooling pipe 200, and the first liquid-cooling pipe 200 can be tightly fixed on the outer peripheral surface of the sleeve 100, so as to lock and fix the first liquid-cooling pipe 200 and the sleeve 100. Through setting up the steel hoop, can realize the close fit between first liquid-cooled pipe 200 and sleeve 100 to guarantee that the coolant liquid can not reveal. Moreover, the steel hoop has a simple structure, and the assembly process can be further simplified. In actual assembly, the steel hoop may be firstly sleeved on the outer peripheral surface of the first liquid-cooled tube 200, then the first liquid-cooled tube 200 is sleeved on the outer peripheral surface of the first end of the sleeve 100, and finally the steel hoop is compressed, so as to realize reliable connection between the first liquid-cooled tube 200 and the sleeve 100.

Further, referring to fig. 2, in an embodiment of the present invention, the first end of the sleeve 100 is provided with a protrusion 600, the protrusion 600 extends towards a direction away from the outer wall of the sleeve 100, and an interference fit is realized between the first liquid cooling pipe 200 and the sleeve 100 through the protrusion 600.

In the technical solution adopted in this embodiment, the protrusion 600 is provided to increase the outer diameter of the sleeve 100 at a partial position, so that the first liquid-cooling pipe 200 can be tightly connected with the sleeve 100, thereby preventing the first liquid-cooling pipe 200 from falling off from the outer circumferential surface of the sleeve 100. In the present embodiment, the protrusion 600 may be integrally formed with the sleeve 100, so that it is possible to improve a stable connection between the protrusion 600 and the sleeve 100. In addition, a plurality of the protrusions 600 may be provided, and a plurality of the protrusions 600 may be staggered on the outer circumferential surface of the sleeve 100, so that the sleeve 100 and the first liquid-cooling pipe 200 may be tightly connected at different positions of the sleeve 100. Of course, in other embodiments, the protrusion 600 may also surround the sleeve 100 once, and is not limited herein.

Further, referring to fig. 1, in an embodiment of the present invention, the cable connection assembly further includes:

a base 700 connected to a sidewall of the sleeve 100 and having a sub-chamber communicating with the chamber 110; and

the adapter 800 is screwed with the base 700, and the second liquid cooling pipe 300 is sleeved at one end of the adapter 800 so as to be communicated with the cavity 110 through the adapter 800.

In the technical solution adopted in this embodiment, in order to facilitate the connection between the second liquid cooling pipe 300 and the sleeve 100, a base 700 and an adapter 800 are provided. The base 700 is disposed on a sidewall of the sleeve 100, a sub-chamber is formed inside the base 700, and a through hole is disposed through the sidewall of the base 700 connected to the sleeve 100, thereby achieving communication between the sub-chamber and the chamber 110. Set up the cold liquid mouth in the side of base 700, adapter 800 detachable sets up at the cold liquid mouth, can realize through the mode of spiro union, for example the inner wall of cold liquid mouth is equipped with the internal thread, and adapter 800's outer wall is equipped with the external screw thread, so can be simple realization adapter 800 and base 700 be connected. Adapter 800 is hollow structure, realizes the intercommunication with the sub-chamber through the cold liquid mouth to make things convenient for the flow of coolant liquid. In the present embodiment, the base 700 may be a rectangular parallelepiped or a cylinder, which is not limited herein.

Further, referring to fig. 2, in an embodiment of the present invention, the adapter 800 includes a first adapter tube 810 and a second adapter tube 820 that are connected, wherein the first adapter tube 810 is screwed with the base 700, and the second liquid cooling tube 300 is sleeved on an outer peripheral surface of the second adapter tube 820.

In the technical solution adopted in this embodiment, to further facilitate the connection between the second liquid cooling pipe 300 and the base 700, the adapter 800 may include a first adapter tube 810 and a second adapter tube 820, and the first adapter tube 810 and the second adapter tube 820 are hollow tubes and are communicated with each other. Wherein, the first adapter tube 810 is connected with the liquid cooling port of the base 700 by screw thread, and the second liquid cooling tube 300 is sleeved on the peripheral surface of the second adapter tube 820

Further, referring to fig. 2, in an embodiment of the present invention, the adapter 800 further includes a nut 830, the nut 830 is sleeved on the outer peripheral surface of the second liquid cooling pipe 300, and is connected to the first adapter 810 through a screw thread, so as to lock the second liquid cooling pipe 300 on the outer peripheral surface of the second adapter 820.

In the technical solution adopted in this embodiment, the nut 830 is provided, so that the second liquid cooling pipe 300 and the second adapting pipe 820 can be tightly fitted to each other, and it is ensured that the cooling liquid does not leak. During assembly, the second liquid cooling pipe 300 is firstly sleeved on the outer peripheral surface of the second adapter pipe 820, the nut 830 is sleeved on the outer peripheral surface of the second liquid cooling pipe 300, one end of the nut 830 is locked with the thread on the first adapter pipe 810 by rotating the nut 830, and the inner wall of the other end of the nut 830 extrudes the second liquid cooling pipe 300, so that the second liquid cooling pipe 300 is tightly attached to the outer peripheral surface of the second adapter pipe 820, and a reliable sealing effect is achieved. In addition, a partition may be provided on the outer circumferential surface of the first adapter tube 810, and the partition may be provided around the axial direction of the first adapter tube 810. After the first adapter tube 810 is assembled with the base 700, the partition abuts against the base; a nut 830 is screwed to the end of the partition of the first adapter tube 810 facing away from the base 700. In this way, the connection of the first adapter tube 810 and the nut 830, and the connection of the first adapter tube 810 and the base 700, respectively, can be conveniently achieved.

Further, referring to fig. 2, in an embodiment of the present invention, the cable connection assembly further includes a cold liquid communication hole 710 disposed on the base 700 and communicated with the sub-cavity, and a plugging member 900 for opening or closing the cold liquid communication hole 710.

In the technical solution adopted in this embodiment, the cooling liquid communication hole 710 is provided to communicate with another cooling system. Moreover, the cold liquid communication hole 710 is provided with the blocking piece 900, when other cooling systems need to be communicated, the blocking piece 900 can be detached, so that the cold liquid communication hole 710 is opened, and the communication is convenient; when the communication with other cooling systems is not required, the blocking member 900 may be installed to close the cold liquid communication hole 710, thereby preventing the outflow of the coolant. Specifically, the blocking member 900 may be a threaded rod, and the cold liquid communication hole 710 may be a corresponding threaded hole.

Further, in an embodiment of the present invention, a sealing ring is disposed between the blocking member 900 and the base 700.

In the technical solution adopted in this embodiment, the sealing ring can seal the sealing connection between the blocking member 900 and the base 700, thereby avoiding leakage of the cooling liquid. In general, the sealing ring may be made of a rubber material having elasticity.

The embodiment of the utility model provides a still provide a rifle that charges, should charge the rifle and include as above cable coupling assembling, and is specific, and above-mentioned embodiment is referred to cable coupling assembling's concrete structure, because this rifle that charges has adopted the whole technical scheme of above-mentioned embodiment, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.

The above is only the preferred embodiment of the present invention, and the patent scope of the embodiments of the present invention is not limited thereby, and all the equivalent structure changes made by the embodiment of the present invention and the attached drawings or the direct/indirect application in other related technical fields are included in the patent protection scope of the embodiments of the present invention.

Claims

1. A cable connection assembly, comprising:

a first liquid-cooled tube connected to the first end;

2. The cable connection assembly of claim 1, wherein the first liquid cooled tube is sleeved outside the first end of the sleeve, the cable connection assembly further comprising a fastener sleeved outside the first liquid cooled tube to lock the first liquid cooled tube to the first end of the sleeve.

3. The cable connection assembly of claim 2, wherein the fastener is a steel ferrule.

4. The cable connection assembly of claim 2, wherein the sleeve has a protrusion at the first end thereof, the protrusion extending away from the outer wall of the sleeve, the first liquid-cooled tube and the sleeve being in interference fit via the protrusion.

5. The cable connection assembly of claim 1, further comprising:

6. The cable connection assembly of claim 5, wherein the adapter comprises a first adapter tube and a second adapter tube in communication, wherein the first adapter tube is threadably coupled to the base, and wherein the second liquid cooling tube is disposed about an outer peripheral surface of the second adapter tube.

7. The cable connection assembly of claim 6, wherein the adapter further comprises a nut that fits over an outer peripheral surface of the second fluid-cooled tube and is threadably engaged with the first adapter tube to lock the second fluid-cooled tube to the outer peripheral surface of the second adapter tube.

8. The cable connection assembly of claim 7, further comprising a cold fluid communication aperture in the base in communication with the subcavity and a closure for opening or closing the cold fluid communication aperture.

9. The cable connection assembly of claim 8, wherein a sealing ring is disposed between the block piece and the base.

10. A charging gun comprising a cable connection assembly according to any one of claims 1 to 9.