WO2018137561A1

WO2018137561A1 - Fluid connector assembly and cooling water system comprising same

Info

Publication number: WO2018137561A1
Application number: PCT/CN2018/073375
Authority: WO
Inventors: 漆辉; 方杰; 邓小嘉
Original assignee: 上海蔚来汽车有限公司
Priority date: 2017-01-24
Filing date: 2018-01-19
Publication date: 2018-08-02
Also published as: TWM568317U; CN206617688U

Abstract

Disclosed are a fluid connector assembly and a cooling water system comprising same. A fluid connector assembly (100) comprises a first insert (110) and a second insert (120), wherein the first insert (110) is provided with a first ring-shaped member (113) loaded by a spring (112), and a first fixed valve core (111); the second insert (120) is configured to be suitable for being fitted with and inserted into the first insert (110); and the second insert (120) is provided with a second valve core (121) loaded by a spring (122), and a second fixed ring-shaped member (123). A sealing engagement face between the first valve core (111) and the first ring-shaped member (113) and/or the sealing engagement face between the second valve core (121) and the second ring-shaped member (123) are/is configured to be arc-shaped.

Description

Fluid joint assembly and cooling water system therewith

Technical field

This invention relates to the field of mechanical design and manufacture; in particular, the present invention relates to a fluid joint assembly and a cooling water system therewith.

Background technique

The fluid joint assembly is used for the insertion and removal of fluids (such as gas, oil, cooling water, etc.) and is widely used in various production lines, mold equipment, cooling and cleaning, fire safety and horticultural irrigation.

Conventional fluid joint assemblies typically rely on external clamps to assemble and clamp the tubing and joints to achieve lengthening or changing the length of the tubing, which is labor intensive, long in operation, and unreliable in sealing. The common joint connection needs to be manually installed or disassembled, generally with a locking mechanism, and does not support quick insertion and removal; once the joint is separated, the fluid at both ends generally cannot be automatically cut off.

The quick-change joints currently used are basically in the field of cleaning and fire protection, and most of them have a locking mechanism, which is operated by hand; some fluid joints have a quick installation function, support connection conduction, but no joint disconnection fluid cut-off Features; some fluid couplings have both of these features, but do not support automated operation.

A fluid joint assembly including a first insert and a second insert is disclosed in Chinese Patent Application Publication No. CN1050010A, wherein the first insert has a fixed first spool 7 and a spring loaded first ring member 6, second The insert has a spring loaded second spool 11 and a fixed second annulus 12. When the two are plugged in, the first spool 7 pushes the second spool 11 to retract and the second ring 12 pushes the first ring member 6 back to form the passage 18; when the two are separated, the spring pushes the first ring The member 6 and the second spool 11 are reset, and the first insert and the second insert are automatically closed.

Summary of the invention

It is an object of the present invention to provide a fluid joint assembly that is capable of meeting the various needs of the prior art described above.

Further, it is an object of the present invention to provide a cooling water system including the aforementioned fluid joint assembly.

In order to achieve the aforementioned object, a first aspect of the invention provides a fluid joint assembly, wherein the fluid joint assembly comprises:

a first insert having a spring-loaded first annular member and a fixed first spool;

a second insert, the second insert being configured to be mated with the first insert, the second insert having a spring loaded second spool and a fixed second loop

Wherein the sealing joint surface between the first valve core and the first annular member and/or the sealing joint surface between the second valve core and the second annular member are configured in an arc shape.

Optionally, in the fluid connector assembly as previously described, the first insert and/or the second insert have a quick-release structure adapted to engage a fluid line.

Optionally, in the fluid joint assembly as previously described, a seal ring is provided at the sealing joint.

Optionally, in the fluid joint assembly as described above, the fluid joint assembly has a first mounting plate and a second mounting plate, and an end of the first insert is disposed on the first mounting plate, An end of the second insert is disposed on the second mounting plate, and the fluid joint assembly is designed to implement the first insert and the first by a combination and separation of the first mounting plate and the second mounting plate Plug and unplug the second plugin.

Optionally, in the fluid joint assembly as described above, the first mounting plate and the second mounting plate are provided with a guiding structure, the guiding structure being included in the first mounting plate and the first a guide post on one of the two mounting plates and a guide hole on the other of the first mounting plate and the second mounting plate, the end of the guiding post having a tapered shape.

Optionally, in the fluid joint assembly as described above, the first mounting plate or the second mounting plate is provided with a sensor for detecting the engaged state of the fluid joint assembly.

Optionally, in the fluid joint assembly as described above, the first mounting plate or the second mounting plate is provided with a through hole, and the floating hole is mounted on the through hole, and the floating mechanism comprises:

a horizontal floating elastomer located in the through hole;

a horizontal slider comprising two flaps and a joint connected between the two flaps, the joint passing through the horizontal floating elastic body, and the two flaps respectively covering the pass Both ends of the hole;

a bolt passing through the horizontal slider to pass through the horizontal floating elastomer;

a nut or spring retaining washer that is coupled to the threaded end of the bolt;

a spring sleeved on the bolt and having its two ends abut against the horizontal slider and the nut or the spring fixing washer, respectively.

Optionally, in the fluid joint assembly as described above, the horizontal floating elastomer is a coil spring or a columnar elastic rubber body.

In order to achieve the aforementioned object, a second aspect of the invention provides a cooling water system for a power battery of an electric vehicle, wherein the fluid according to any one of the preceding first aspects is employed in the cooling water system Connector assembly.

Optionally, in the cooling water system as described above, one of the first insert and the second insert is fixed to a chassis of the electric vehicle, and the first insert and the second insert Another correspondingly fixed to the battery case of the power battery.

DRAWINGS

The disclosure of the present invention will become more apparent from the drawings. It is to be understood that the drawings are for the purpose of illustration only, and are not intended to limit the scope of the invention. In the picture:

1 is a schematic perspective view of a fluid joint assembly in accordance with an embodiment of the present invention;

Figure 2 is an internal cross-sectional view of the first insert of the fluid joint assembly of Figure 1;

Figure 3 is an internal cross-sectional view of the second insert of the fluid joint assembly of Figure 1;

Figure 4 is an internal cross-sectional view showing the first plug and the second insert of the fluid joint assembly of Figure 1 in a conductive state;

Figure 5 is an exploded perspective view of the floating mechanism of the fluid joint assembly of Figure 1.

detailed description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the respective drawings, the same reference numerals indicate the same or corresponding technical features.

1 is a schematic perspective view of a fluid joint assembly in accordance with an embodiment of the present invention. As shown in the figures, the fluid joint assembly 100 of this embodiment includes a first insert 110 and a second insert 120. The second insert 120 is configured to be mated with the first insert 110, such as, but not limited to, the first insert can be a plug and the second insert can be a socket. The specific internal structure of the first card 110 and the second card 120 will be described in detail below in conjunction with FIGS. 2 to 4.

As can be seen in FIG. 1, the fluid joint assembly 100 can also have a first mounting plate 130 and a second mounting plate 140. In order to facilitate the insertion and removal of the first and second inserts of the fluid connector assembly 100, the end of the first insert 110 may be disposed on the first mounting plate 130, and the end of the second insert 120 may be disposed in the second mounting. Board 140. In this way, the insertion and removal of the first insert 110 and the second insert 120 can be controlled by the combination and separation of the first mounting plate 130 and the second mounting plate 140, and the first insert 110 and the second are eliminated from the prior art. The snap-in on the plug-in 120 itself simplifies the structure.

In order to facilitate the insertion and removal of the fluid joint assembly 100, a guiding structure may be provided on the first mounting plate 130 and the second mounting plate 140 to support fully automated operation and blind insertion. In the illustrated embodiment, the guiding structure may include a guiding hole 150 on the first mounting plate 130 and a guiding post 160 on the second mounting plate 130, and the end of the guiding post 160 may have a tapered shape. When the first mounting plate 130 and the second mounting plate 140 are assembled, the positioning of the first mounting plate 130 and the second mounting plate 140 is achieved by the guide post 160 being inserted into the guide hole 150 and sliding along the guide hole 150.

It can be understood that the guiding structure can also be designed such that the guiding hole 150 is located on the second mounting plate 140 and the guiding post 160 is located on the second mounting plate 140. In addition, it can be understood from the teachings of the present invention that the guide hole 150 and the guide post 160 may be provided with a pair or a plurality of pairs. In addition, those skilled in the art can also consider not using a separate guiding hole and a guiding column, but only relying on the guiding of the first insert with the function of the shut-off valve and the second insert itself.

In an alternative embodiment, the first mounting plate 130 or the second mounting plate 140 may be provided with a sensor 170 for detecting the engaged state of the fluid joint assembly. In an alternative embodiment, the sensor 170 can be a position sensor. For example, after the fluid connector assembly is inserted, the first mounting plate 130 and the second mounting plate 140 where the first insert and the second insert are located touch the sensor position switch, and a joint fitting signal can be issued to realize the insertion of the fluid joint assembly. Pull status indication function.

As shown in the figure, a floating mechanism 180 may also be disposed on the first mounting plate 130 or the second mounting plate 140. Through the setting of the floating mechanism 180, the joint is allowed to be automatically centered during the insertion and removal process, and the fully automatic operation of the fluid joint assembly can be realized, which saves time and labor and is reliable in sealing. Additionally, the first insert 110 and/or the second insert 120 can have a quick-

release structure

191, 192 adapted to engage a fluid line so that the fluid conduit can be mated. It can be understood that the quick-release structure further facilitates the assembly and disassembly operation of the fluid joint assembly and the pipe compared to the threaded connection structure.

The fluid connector assembly 100 in accordance with the present invention includes a first insert 110 and a second insert 120. 2 is an internal cross-sectional view of the first insert 110 of the fluid joint assembly of FIG. 1. 3 is an internal cross-sectional view of the second insert 120 of the fluid joint assembly of FIG. 1. As can be seen from the figure, the first insert 110 has a first ring member 113 loaded by a spring 112 and a fixed first valve body 111. The second insert 120 has a second spool 121 loaded by a spring 122 and a fixed second ring 123. The first ring member 113 is movable along the axis within the first card stop valve and the second valve body 121 is movable along the axis within the second card stop valve. 2 and 3, the sealing joint surface 118 between the first valve body 111 and the first ring member 113 and/or the sealing joint surface 126 between the second valve body 121 and the second ring member 123 are Constructed in an arc shape, it can effectively improve the sealing performance at the joint surface. The sealing rings 114, 124 provided by these sealing joints further enhance the sealing effect. As shown in the figure, seals 115, 116, 117, 125, and the like are also disposed in the first insert 110 and the second insert 120.

It can be seen by those skilled in the art based on FIG. 2 and FIG. 3 that the arc-shaped joint surface of the end of the first ring member 113 is closely attached under the pressing action of the spring 112 in the unmated state of the first insert and the second insert. Closing the arc-shaped joint surface of the end of the first valve core 111 of the shut-off valve, and under the sealing action of the seal ring 114, the internal space fluid of the first plug-off valve is automatically sealed; the first insert and the second insert are not matched In the state, under the spring force of the spring 122, the arcuate joint surface of the end of the second valve core 121 closely matches the arcuate joint surface of the end of the second ring member 123, and under the sealing action of the seal ring 124, The internal space fluid of the second plug-in shut-off valve is automatically sealed.

4 is an internal cross-sectional view of the first insert and the second insert of the fluid joint assembly of FIG. 1 in a mated conductive state. As shown in the figure, when the first insert and the second insert are inserted together, the second annular member 123 cooperates with the end surface of the first annular member 113 and pushes the first annular member 113 to move the spring upward, the first spool The sealing engagement surface 118 of the first ring member 113 is opened; and the end surface of the first valve body 111 is engaged with the end surface of the second valve body 121, and the second valve core 121 is pushed to move the compression spring downward, and the second valve core 121 is The sealing joint surface 126 between the second ring members 123 is opened; the joint sealing faces of the first insert and the second insert are all opened to form a fluid passage.

Figure 5 is an exploded perspective view of the floating mechanism of the fluid joint assembly of Figure 1. A floating mechanism 180 can be considered for both the first mounting plate 130 and the second mounting plate 140. The arrangement of the floating mechanism 180 on the first mounting plate 130 in FIG. 5 is taken as an example. It can be understood that the floating mechanism 180 can be mounted on the first mounting plate 130 or the second mounting plate 140 by providing through holes.

As can be seen from the figure, the floating mechanism 180 includes a Z-direction floating bolt 186, a spring-loaded washer (or nut) 181, a Z-direction floating spring 182, a horizontal slider formed by the

flaps

183, 185, and a horizontal floating coil spring (or Other horizontal floating elastomers) 184 and mounting plates.

As shown, a through hole is disposed in the first mounting plate 130, and a horizontal floating coil spring 184 is located in the through hole and is fitted over the Z-direction floating bolt 186.

The horizontal slider includes two integrally formed

flaps

183, 185 and a joint connected between the two flaps. In the figure the horizontal slider is shown exploded as two

flaps

183, 185, and the joint is formed on the flap 185; but in the final horizontal slider, the two

flaps

183, 185 are riveted by the joint Together they become an integral part and are mated with the bolts 186. The connecting portion passes through the horizontal floating coil spring 184, and the two blocking

pieces

183, 185 cover the two ends of the through hole, respectively. The Z-direction floating bolt 186 passes through the horizontal floating block to pass through the horizontal floating coil spring 184, and can achieve horizontal floating at any angle in the through hole of the floating plate 130 (the first mounting plate 130 can squeeze the horizontal floating coil spring 184 at the level The direction is arbitrarily floated, and the movement space is obtained by squeezing the coil spring 184; changing the diameter of the through hole and the coil spring 184 can adjust the horizontal floating amount). It can be understood that the coil spring can be replaced by other elastomers, for example, an elastomer made of a columnar rubber body, and a tooth groove can be distributed on the outer peripheral surface to enhance flexibility.

A spring retaining washer (or nut) 181 is fixedly mounted with the bolt 186; in particular, the spring retaining washer 181 can be coupled to the threaded end of the Z-directed floating bolt 186. The Z-direction floating spring 182 is sleeved on the Z-direction floating bolt 186, and the two end faces respectively act on the horizontal floating block and the spring fixing washer 181, one end of which abuts against the horizontal floating block to realize Z-direction fixing; the other end abuts against the spring fixing washer The 181 is fixed, the spring retaining washer 181 is assembled with the component to be mounted of the fluid joint assembly, and the fluid joint assembly 100 removes all of the components other than the spring retaining washer (or nut) 181 and the bolt 186 in the Z direction. The axis compression spring 182 floats. This floating function facilitates the use of quick-change couplings for fully automated assembly and quick-change couplings in dynamic environments. In this example, there are a total of four similar floating mechanisms in the four corners of the floating plate. Other numbers and other arrangements are contemplated by those skilled in the art.

As can be understood from the above description, the fluid joint assembly of the present invention can easily realize fully automatic quick insertion and removal of the pipeline connection, automatic resetting and automatic correction of assembly deviation, self-conduction of the connecting fluid, and self-sealing of the double-sided fluid after the connection. Functions such as floating and joint status indication, without manual intervention, support for fully automated operation, etc., by changing the mounting and fixing method of the mounting plate, at the same time, the fluid medium can be air, gas and liquid sharing, oil, cooling water, etc. The ability to flow under pressure makes this fluid joint assembly widely available in many fields. Those skilled in the art will appreciate the application of the fluid connector assembly described above to the cooling water system of a power battery of an electric vehicle. For example, in such a cooling water system, one of the aforementioned first insert and the second insert may be fixed to the underbody of the electric vehicle, and the other of the first insert and the second insert may be correspondingly fixed to the battery case of the power battery. body. The fixing of the first and second inserts to the chassis or battery housing can be achieved by mounting plates as shown in FIG.

The technical scope of the present invention is not limited to the above description, and various modifications and changes can be made to the above-described embodiments without departing from the technical idea of the present invention. Within the scope of the invention.

Claims

A fluid joint assembly, characterized in that the fluid joint assembly comprises:

a first insert having a spring-loaded first annular member and a fixed first spool;

a second insert, the second insert being configured to be mated with the first insert, the second insert having a spring loaded second spool and a fixed second loop

Wherein the sealing joint surface between the first valve core and the first annular member and/or the sealing joint surface between the second valve core and the second annular member are configured in an arc shape.
The fluid connector assembly of claim 1 wherein said first insert and/or said second insert have a push-in structure adapted to engage a fluid line.
The fluid connector assembly of claim 1 wherein a sealing ring is disposed at the sealing joint.
The fluid joint assembly according to any one of claims 1 to 3, wherein the fluid joint assembly has a first mounting plate and a second mounting plate, and an end of the first insert is disposed in the first mounting a plate, an end of the second insert is disposed on the second mounting plate, and the fluid joint assembly is designed to achieve the first by combining and disengaging the first mounting plate and the second mounting plate Plugging and unplugging of the plugin and the second plugin.
The fluid connector assembly according to claim 4, wherein said first mounting plate and said second mounting plate are provided with a guiding structure, said guiding structure being included in said first mounting plate and said second mounting a guide post on one of the plates and a guide hole on the other of the first mounting plate and the second mounting plate, the end of the guide post having a tapered shape.
The fluid joint assembly of claim 4, wherein the first mounting plate or the second mounting plate is provided with a sensor for detecting an engaged state of the fluid joint assembly.
The fluid connector assembly according to claim 4, wherein the first mounting plate or the second mounting plate is provided with a through hole, and the floating hole is mounted on the through hole, and the floating mechanism comprises:

a horizontal floating elastomer located in the through hole;

a horizontal slider comprising two flaps and a joint connected between the two flaps, the joint passing through the horizontal floating elastic body, and the two flaps respectively covering the pass Both ends of the hole;

a bolt passing through the horizontal slider to pass through the horizontal floating elastomer;

a nut or spring retaining washer that is coupled to the threaded end of the bolt;

a spring sleeved on the bolt and having its two ends abut against the horizontal slider and the nut or the spring fixing washer, respectively.
The fluid joint assembly according to claim 7, wherein said horizontal floating elastic body is a coil spring or a columnar elastic rubber body.
A cooling water system for a power battery of an electric vehicle, characterized in that the fluid joint assembly according to any one of claims 1 to 8 is employed in the cooling water system.
A cooling water system according to claim 9, wherein one of said first insert and said second insert is fixed to a chassis of said electric vehicle, and said first insert and said second insert are another Correspondingly fixed to the battery case of the power battery.