阅读说明：本技术 一种冷却液导管防漏接头及新能源汽车 (Coolant liquid pipe leak protection connects and new energy automobile ) 是由 段付德 闵永亚 宋飞 程娟娟 杨伟智 杨硕 薛佳斌 孟之凯 解亚丽 王彬彬 仇鑫 于 2021-09-24 设计创作，主要内容包括：本发明公开了一种冷却液导管防漏接头及新能源汽车,包括第一接头机构和第二接头机构；第一接头机构包括接头底座和第一封堵组件,第一封堵组件设于接头底座内部,接头底座安装于车辆水箱接口内侧；第二接头机构包括盖子、外接头和第二封堵组件,第二封堵组件设于外接头内部,外接头设于盖子内侧且端部与冷却液管道相连,盖子能够装配于水箱接口外侧；当盖子装配于水箱接口外侧时,第一封堵组件和第二封堵组件相抵使接头底座和外接头之间的内部通道导通；当盖子与水箱接口相分离时,第一封堵组件封闭接头底座的内部通道,第二封堵组件封闭外接头的内部通道。本发明提供的接头在拆装过程中能够阻挡冷却液的泄漏,避免冷却液的浪费和对环境的污染。(The invention discloses a leakage-proof joint of a cooling liquid guide pipe and a new energy automobile, which comprise a first joint mechanism and a second joint mechanism; the first joint mechanism comprises a joint base and a first plugging component, the first plugging component is arranged in the joint base, and the joint base is arranged on the inner side of the vehicle water tank interface; the second joint mechanism comprises a cover, an outer joint and a second plugging assembly, the second plugging assembly is arranged in the outer joint, the outer joint is arranged on the inner side of the cover, the end part of the outer joint is connected with the cooling liquid pipeline, and the cover can be assembled on the outer side of the water tank interface; when the cover is assembled on the outer side of the water tank interface, the first blocking component and the second blocking component are abutted to enable an internal channel between the joint base and the external joint to be communicated; when the cover is separated from the water tank interface, the first plugging component seals the internal channel of the joint base, and the second plugging component seals the internal channel of the external joint. The joint provided by the invention can prevent the leakage of cooling liquid in the process of disassembly and assembly, and avoid the waste of the cooling liquid and the pollution to the environment.)

1. A leakage-proof joint for a cooling liquid guide pipe is characterized by comprising a first joint mechanism and a second joint mechanism;

the first joint mechanism comprises a joint base and a first plugging component, the first plugging component is arranged in the joint base, and the joint base is arranged on the inner side of a vehicle water tank interface;

the second joint mechanism comprises a cover, an outer joint and a second plugging component, the second plugging component is arranged in the outer joint, the outer joint is arranged on the inner side of the cover, the end part of the outer joint is connected with the cooling liquid pipeline, and the cover can be assembled on the outer side of the water tank interface;

when the cover is assembled on the outer side of the water tank interface, the first blocking component and the second blocking component are abutted to enable an internal channel between the joint base and the external joint to be conducted; when the cover is separated from the water tank interface, the first plugging component seals the internal channel of the joint base, and the second plugging component seals the internal channel of the outer joint.

2. The coolant conduit leak-proof joint of claim 1, wherein the first plugging assembly comprises a spring support, a locking cap, a spring, and a valve body; the spring support is arranged on the inner side of the joint base, the lock cover is arranged above the spring support and is fixedly connected with the joint base, the valve body is arranged on the upper part of the spring support, the spring is arranged in the spring support, one end of the spring is connected with the valve body, and the other end of the spring is connected with the spring support; when the spring is compressed, a gap is formed between the valve body and the lock cover, and when the spring extends, the valve body seals the lock cover.

3. The leak-proof joint for a coolant conduit according to claim 2, wherein the joint base comprises a bottom cylinder part and a threaded part which are connected, a first thread which is matched with an internal thread of the water tank port is arranged on the outer surface of the threaded part, a first annular surface is formed at the joint of the threaded part and the bottom cylinder part, a second annular surface is formed on the bottom surface of the bottom cylinder part, a first through hole is formed in the middle of the second annular surface, and a first annular limiting part is arranged on the inner side of the bottom cylinder part.

4. The leakproof joint for the cooling liquid guide pipe according to claim 3, wherein the spring support comprises a support plate and a support cylinder which are connected, a first protrusion is arranged at the bottom of the support plate and is mounted on the second annular surface, a first limiting groove capable of being clamped with the first annular limiting groove is arranged on the side surface of the support plate, a second through hole is formed in the surface of the support plate, and the spring is arranged in the support cylinder.

5. The coolant conduit leak-proof joint of claim 3, wherein said locking cap comprises a cover plate and a locking barrel connected together; the bottom of the cover plate is connected with a support rod, and the support rod is arranged on the spring support and is flush with the first annular surface; a second limiting groove capable of being clamped with the first annular limiting groove is formed in the side face of the cover plate, a threaded hole is formed in the first annular limiting groove, and a screw for fixing the lock cover and the joint base is installed in the threaded hole; the bottom of the lock cylinder is provided with a conical surface, and the shape of the top of the valve body is matched with the conical surface.

6. The coolant conduit leak-proof joint of claim 2, wherein the second plugging assembly comprises a release joint and a silicone valve; the unlocking connector is arranged on the inner side of the outer connector and is assembled and connected with the locking cover, a pipe body corresponding to the valve body is arranged in the unlocking connector, and the silica gel valve is movably arranged in the pipe body; when the cover is assembled outside the water tank interface, the pipe body presses down the valve body to generate a gap between the valve body and the locking cover, and simultaneously the valve body jacks up the silica gel valve to conduct the unlocking joint, the locking cover and the outer joint; and when the cover is separated from the water tank interface, the unlocking connector is closed by the silica gel valve.

7. The leak-proof joint for a coolant conduit as claimed in claim 1, wherein the inner surface of the cap is provided with a second thread adapted to the outer thread of the tank port, the cap is provided with a third through hole, and the top surface of the cap is provided with a second annular stopper located at the edge of the third through hole.

8. The leak-proof joint for a coolant conduit according to claim 7, wherein a fourth through hole is provided in the outer joint, the outer joint comprises a joint body and a cylinder connected with each other, a third limiting groove capable of being engaged with the second annular limiting groove is provided on the joint body, a limiting claw is provided on the bottom of the joint body, and an annular protrusion is provided on the surface of the cylinder.

9. The coolant conduit leak-proof joint as set forth in claim 6, wherein the unlocking joint comprises an unlocking upper barrel and an unlocking lower barrel which are connected with each other, the unlocking upper barrel is installed in the outer joint, the unlocking lower barrel is assembled and connected with the lock cover, the bottom surface of the unlocking upper barrel is provided with a limiting hole and a plurality of fifth through holes around the limiting hole, and the pipe body is connected with the bottom surface of the unlocking upper barrel and is communicated with the limiting hole; the silica gel valve is umbrella-shaped, including spacing post and the valve gap that links to each other, spacing post is installed in the body, the valve gap is located in the section of thick bamboo on the unblock and can cover all fifth through-holes.

10. A new energy automobile, characterized by comprising the coolant conduit leak-proof joint of any one of claims 1 to 9.

Technical Field

The invention belongs to the technical field of joints, and particularly relates to a leakage-proof joint for a cooling liquid guide pipe and a new energy automobile.

Background

The new energy automobile adopts unconventional automobile fuel as a power source, or uses conventional automobile fuel, adopts a novel vehicle-mounted power device, integrates advanced technologies in the aspects of power control and driving of the automobile, forms an automobile with advanced technical principle, new technology and new structure, and comprises a pure electric automobile, an extended range electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile and the like.

In order to cool the internal controller and the actuator of the new energy automobile, a cold area system needs to be installed, and a joint needs to be used in the cooling system. When the cooling guide pipe is disassembled, the cooling liquid can flow out uncontrollably, so that the waste of the cooling liquid and the pollution to the environment are caused.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a leakage-proof joint of a cooling liquid guide pipe and a new energy automobile, wherein the leakage of the cooling liquid can be prevented in the dismounting process, and the waste of the cooling liquid and the pollution to the environment are avoided.

The invention provides the following technical scheme:

a coolant conduit leak-proof joint comprises a first joint mechanism and a second joint mechanism;

the first joint mechanism comprises a joint base and a first plugging component, the first plugging component is arranged in the joint base, and the joint base is arranged on the inner side of a vehicle water tank interface;

the second joint mechanism comprises a cover, an outer joint and a second plugging component, the second plugging component is arranged in the outer joint, the outer joint is arranged on the inner side of the cover, the end part of the outer joint is connected with the cooling liquid pipeline, and the cover can be assembled on the outer side of the water tank interface;

when the cover is assembled on the outer side of the water tank interface, the first blocking component and the second blocking component are abutted to enable an internal channel between the joint base and the external joint to be conducted; when the cover is separated from the water tank interface, the first plugging component seals the internal channel of the joint base, and the second plugging component seals the internal channel of the outer joint.

Further, the first plugging assembly comprises a spring support, a locking cover, a spring and a valve body; the spring support is arranged on the inner side of the joint base, the lock cover is arranged above the spring support and is fixedly connected with the joint base, the valve body is arranged on the upper part of the spring support, the spring is arranged in the spring support, one end of the spring is connected with the valve body, and the other end of the spring is connected with the spring support; when the spring is compressed, a gap is formed between the valve body and the lock cover, and when the spring extends, the valve body seals the lock cover.

Further, the joint base includes bottom barrel portion and screw thread portion that links to each other, the surface of screw thread portion is equipped with the first screw thread of internal thread assorted with the water tank interface, the department of meeting of screw thread portion and bottom barrel portion forms first annular surface, the bottom surface of bottom barrel portion forms second annular surface and the middle part of second annular surface is equipped with first through-hole, the inboard of bottom barrel portion is equipped with first annular spacingly.

Furthermore, the spring support comprises a support plate and a support cylinder which are connected, a first bulge is arranged at the bottom of the support plate, the first bulge is arranged on the second annular surface, a first limit groove capable of being clamped with the first annular limit groove is arranged on the side surface of the support plate, a second through hole is formed in the surface of the support plate, and the spring is arranged in the support cylinder.

Further, the lock cover comprises a cover plate and a lock cylinder which are connected; the bottom of the cover plate is connected with a support rod, and the support rod is arranged on the spring support and is flush with the first annular surface; a second limiting groove capable of being clamped with the first annular limiting groove is formed in the side face of the cover plate, a threaded hole is formed in the first annular limiting groove, and a screw for fixing the lock cover and the joint base is installed in the threaded hole; the bottom of the lock cylinder is provided with a conical surface, and the shape of the top of the valve body is matched with the conical surface.

Further, the second plugging assembly comprises an unlocking connector and a silica gel valve; the unlocking connector is arranged on the inner side of the outer connector and is assembled and connected with the locking cover, a pipe body corresponding to the valve body is arranged in the unlocking connector, and the silica gel valve is movably arranged in the pipe body; when the cover is assembled outside the water tank interface, the pipe body presses down the valve body to generate a gap between the valve body and the locking cover, and simultaneously the valve body jacks up the silica gel valve to conduct the unlocking joint, the locking cover and the outer joint; and when the cover is separated from the water tank interface, the unlocking connector is closed by the silica gel valve.

Furthermore, the inner surface of the cover is provided with a second thread matched with the outer thread of the water tank interface, the cover is provided with a third through hole, and the top surface of the cover is provided with a second annular limit positioned at the edge of the third through hole.

Furthermore, be equipped with the fourth through-hole in the outer joint, the outer joint is including the joint body and the cylinder that link to each other, be equipped with on the joint body can with the third spacing groove of the spacing block installation of second annular, the bottom that connects the body is equipped with spacing claw, the cylinder surface is equipped with annular arch.

Furthermore, the unlocking joint comprises an unlocking upper barrel and an unlocking lower barrel which are connected, the unlocking upper barrel is arranged in the outer joint, the unlocking lower barrel is assembled and connected with the lock cover, the bottom surface of the unlocking upper barrel is provided with a limiting hole and a plurality of fifth through holes positioned around the limiting hole, and the pipe body is connected with the bottom surface of the unlocking upper barrel and is communicated with the limiting hole; the silica gel valve is umbrella-shaped, including spacing post and the valve gap that links to each other, spacing post is installed in the body, the valve gap is located in the section of thick bamboo on the unblock and can cover all fifth through-holes.

The new energy automobile comprises the cooling liquid guide pipe leakage-proof joint.

Compared with the prior art, the invention has the beneficial effects that:

the first joint mechanism comprises a joint base and a first plugging component, the second joint mechanism comprises a cover, an outer joint and a second plugging component, and when the cover is assembled on the outer side of the water tank interface, the first plugging component and the second plugging component are abutted to enable an internal channel between the joint base and the outer joint to be conducted; when lid and water tank interface phase separation, the internal channel of first shutoff subassembly closed joint base prevents the coolant liquid in the water tank to flow, and the internal channel of second shutoff subassembly closed outer joint prevents the outflow of coolant liquid, has avoided the leakage waste and the environmental pollution of joint dismouting in-process coolant liquid.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a schematic illustration of an explosive structure of the present invention;

FIG. 3 is a schematic view of the assembled structure of the present invention;

FIG. 4 is a schematic disassembled view of the present invention;

FIG. 5 is a schematic view of the construction of the joint base;

FIG. 6 is a schematic view of the connector base from another perspective;

FIG. 7 is a schematic view of a spring support;

FIG. 8 is a schematic view of the spring support from another perspective;

FIG. 9 is a schematic view of the construction of the locking cap;

FIG. 10 is a schematic view of the lock cover from another perspective;

FIG. 11 is a schematic view of the structure of the lid;

FIG. 12 is a schematic view of the cover from another perspective;

FIG. 13 is a schematic structural view of the external joint;

FIG. 14 is a schematic view of the external joint from another perspective;

FIG. 15 is a schematic view of the release tab;

FIG. 16 is a schematic view of another perspective of the release tab;

fig. 17 is an internal structural view of the release joint;

FIG. 18 is a schematic view of the construction of a silicone valve;

labeled as: 1-a water tank interface, 2-a joint base, 201-a first annular surface, 202-a second annular surface, 203-a threaded hole, 204-a first annular limit, 205-a first thread, 206-a first through hole and 207-a bottom barrel part; 3-spring support, 301-second through hole, 302-first limiting groove, 303-first protrusion, 304-support plate, 305-support cylinder, 4-spring, 5-valve body, 6-lock cover, 601-second limiting groove, 602-conical surface, 603-support rod, 604-cover plate, 605-lock cylinder, 7-screw, 8-unlocking joint, 801-fifth through hole, 802-tube body, 803-limiting hole, 804-unlocking upper cylinder, 805-unlocking lower cylinder, 9-silica gel valve, 901-limiting column, 902-valve cover, 10-external joint, 1001-fourth through hole, 1002-annular protrusion, 1003-limiting claw, 1004-third limiting groove, 1005-joint body, 1006-cylinder, 11-cover, 1101-second annular stop, 1102-second thread, 1103-third through hole.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-4, the present embodiment provides a leak-proof joint for a coolant conduit, comprising a first joint mechanism and a second joint mechanism; the first joint mechanism comprises a joint base 2 and a first plugging component, the first plugging component is arranged in the joint base 2, and the joint base 2 is arranged on the inner side of the vehicle water tank interface 1; the second joint mechanism comprises a cover 11, an outer joint 10 and a second plugging component, the second plugging component is arranged inside the outer joint 10, the outer joint 10 is arranged on the inner side of the cover 11, the end part of the outer joint is connected with a cooling liquid pipeline, and the cover 11 can be assembled on the outer side of the water tank interface 1; when the cover 11 is assembled on the outer side of the water tank interface 1, the first blocking component and the second blocking component are abutted to enable an internal channel between the joint base 2 and the external joint 10 to be conducted; when the cover 11 is separated from the tank connection 1, the first plug element closes the inner channel of the connection base 2 and the second plug element closes the inner channel of the outer connection 10.

As shown in fig. 3 and 4, the first plugging assembly comprises a spring support 3, a locking cap 6, a spring 4 and a valve body 5; the spring support 3 is arranged on the inner side of the joint base 2, the locking cover 6 is arranged above the spring support 3 and is fixedly connected with the joint base 2, the valve body 5 is arranged on the upper part of the spring support 3, the spring 4 is arranged in the spring support 3, one end of the spring 4 is connected with the valve body 5, and the other end of the spring 4 is connected with the spring support 3; when the spring 4 is compressed, a gap is formed between the valve body 5 and the lock cover 6, and when the spring 4 is extended, the valve body 5 seals the lock cover 6.

As shown in fig. 5 and 6, the joint base 2 includes a bottom cylinder 207 and a threaded portion connected to each other, a first thread 205 matching with the internal thread of the tank port 1 is formed on the outer surface of the threaded portion, a first annular surface 201 is formed at the joint of the threaded portion and the bottom cylinder 207, a second annular surface 202 is formed on the bottom surface of the bottom cylinder 207, a first through hole 206 is formed in the middle of the second annular surface 202, and a first annular stopper 204 is formed on the inner side of the bottom cylinder 207.

As shown in fig. 5, 7 and 8, the spring support 3 includes a support plate 304 and a support cylinder 305 connected to each other, a first protrusion 303 is disposed at the bottom of the support plate 304, the first protrusion 303 is mounted on the second annular surface 202, a first limit groove 302 capable of being engaged with the first annular limit 204 is disposed at the side surface of the support plate 304, a second through hole 301 is disposed on the surface of the support plate 304 for circulating a cooling liquid, and a spring 4 is disposed in the support cylinder 305.

As shown in fig. 5, 9 and 10, the lock cover 6 includes a cover plate 604 and a lock cylinder 605 connected; the bottom of the cover plate 604 is connected with a support rod 603, and the support rod 603 is installed on the spring support 3 and is flush with the first annular surface 201; a second limiting groove 601 which can be clamped with the first annular limiting 204 is formed in the side face of the cover plate 604, a threaded hole 203 is formed in the first annular limiting 204, and a screw 7 used for fixing the locking cover 6 and the joint base 2 is installed in the threaded hole 203; the bottom of the lock cylinder 605 is provided with a tapered surface 602, and the shape of the top of the valve body 5 is matched with the tapered surface 602, so that the lock cylinder 605 can be conveniently closed.

As shown in fig. 3 and 4, the second plugging assembly comprises a release joint 8 and a silicone valve 9; the unlocking connector 8 is arranged on the inner side of the outer connector 10 and is assembled and connected with the locking cover 6, a pipe body 802 corresponding to the valve body 5 is arranged in the unlocking connector 8, and the silica gel valve 9 is movably arranged in the pipe body 802; when the cover 11 is assembled on the outer side of the water tank interface 1, the silica gel valve 9 is jacked up to enable the unlocking connector 8 to be communicated with the locking cover 6 and the outer connector 10; when the cover 11 is separated from the tank connection 1, the silicone valve 9 closes the release connection 8.

As shown in fig. 11 and 12, the inner surface of the cover 11 is provided with a second thread 1102 corresponding to the outer thread of the tank connection 1, the cover 11 is provided with a third through hole 1103, and the top surface of the cover 11 is provided with a second annular stopper 1101 located at the edge of the third through hole 1103.

As shown in fig. 13 and 14, a fourth through hole 1001 is provided in the outer joint 10, the outer joint 10 includes a joint body 1005 and a column 1006 that are connected, a third limiting groove 1004 that can be engaged with the second annular limiting 1101 is provided on the joint body 1005, a limiting claw 1003 is provided at the bottom of the joint body 1005, and an annular protrusion 1002 is provided on the surface of the column 1006, so as to facilitate connection of the coolant pipeline.

As shown in fig. 15 to 18, the unlocking joint 8 includes an unlocking upper cylinder 804 and an unlocking lower cylinder 805 which are connected with each other, the unlocking upper cylinder 804 is installed in a limiting claw 1003 of the outer joint 10, the unlocking lower cylinder 805 is assembled and connected with a lock cylinder 605 of the lock cover 6 to form a seal, a limiting hole 803 and a plurality of fifth through holes 801 located around the limiting hole 803 are formed in the bottom surface of the unlocking upper cylinder 804, the fifth through holes 801 are used for conducting cooling liquid, and a pipe body 802 is connected with the bottom surface of the unlocking upper cylinder 804 and communicated with the limiting hole 803; the silica gel valve 9 is umbrella-shaped and comprises a limiting column 901 and a valve cover 902 which are connected, the limiting column 901 is installed in the tube body 802, and the valve cover 902 is arranged in the unlocking upper tube 804 and can cover all the fifth through holes 801.

Example 2

The embodiment provides a new energy automobile, which comprises the cooling liquid guide pipe leakage-proof joint in the embodiment 1.

The working principle of the invention is as follows:

as shown in fig. 3, when the joint is in normal use, the joint base 2 is screwed inside the water tank interface 1, the cooling liquid pipeline is mounted on the column 1006 of the external joint 10, and the cover 11 is screwed outside the water tank interface 1; at this time, the pipe 802 of the release joint 8 presses the valve body 5 downward to form a gap between the valve body 5 and the lock cover 6, and simultaneously, the valve body 5 jacks up the silicone valve 9 to make the valve cover 902 of the silicone valve 9 away from the fifth through hole 801, so that the coolant in the water tank and the coolant pipeline is conducted through the first through hole 206 of the joint base 2, the second through hole 301 of the spring support 3, the lock cylinder 605 of the lock cover 6, the fifth through hole 801 of the release joint 8, and the fourth through hole 1001 of the outer joint 10.

As shown in fig. 4, when the joint needs to be disassembled, the cover 11 is separated from the water tank interface 1, and the silicone valve 9 is tightly pressed on the fifth through hole 801 of the unlocking joint 8 under the action of the self gravity of the cooling liquid, so as to achieve the purpose of sealing the cooling liquid conduit; the upper part of the valve body 5 has no pressure action of the pipe body 802, so the valve body moves up under the action of the rebound force of the spring 4 and is tightly propped against the conical surface 602 of the lock cylinder 605, the purpose of sealing the water tank interface 1 is achieved, and the leakage waste and the environmental pollution of cooling liquid in the process of assembling and disassembling the joint are avoided.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.