Pluggable anti-dripping water-leakage cold joint for new energy automobile power battery cooling system

Abstract

The utility model discloses a plugging anti-dripping water-leakage water-cooling connector for a new energy automobile power battery cooling system, which comprises a water-cooling connector body and a rotary sleeve, and the rotary sleeve is arranged on the peripheral surface of the water-cooling connector body; openings are symmetrically formed in the middle of the water-cooling connector body. A connecting rod is arranged on the inner side of the rotating sleeve; the connecting rod penetrates through the opening; a rotating shaft is arranged in the connecting rod; a first drip-proof fan blade is arranged at one end, far away from the connecting rod, of the rotating shaft; a second drip-proof fan blade is arranged on one side, close to the connecting rod, of the first drip-proof fan blade; the second drip-proof fan blade penetrates through the rotating shaft; and the first anti-leakage fan blade and the second anti-leakage fan blade are matched to realize plugging anti-leakage operation. According to the plugging anti-dripping water-leakage cold connector for the new energy automobile power battery cooling system, the rotating sleeve is matched with the set of anti-dripping fan blades, plugging anti-dripping operation is achieved during plugging, and cooling liquid is prevented from polluting the maintenance environment; and meanwhile, as the leakage risk of the cooling liquid is reduced, the maintenance cost is also reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water cooling joint field, especially relates to a new energy automobile power battery cooling system's pull -out anti -dripping water cooling joint. BACKGROUND

[0002] New energy automobile power battery can produce a large amount of heat when high load operation, if not in time heat dissipation, can lead to battery performance decline, shortened life, even cause safety problem.Water cooling joint as the key component of cooling system, can ensure that the coolant is in the battery pack High -efficient circulation, maintain the battery in the best working temperature interval (usually 15 DEG C-30 DEG C), thereby prolonging the battery life and improving its energy density.

[0003] However, the water cooling joint of the conventional new energy automobile power battery cooling system is easy to leak coolant from the joint during the pull-out process, which not only leads to waste of coolant, but also pollutes the maintenance environment, and even seeps into the battery pack, causing battery short circuit, damage or fire, etc. Safety hazards.

[0004] Therefore, the above problems need to be solved. INVENTION CONTENTS

[0005] The utility model aims at overcoming the above insufficient, the utility model discloses a new energy automobile power battery cooling system's pull -out anti -dripping water cooling joint, through the cooperation of a group of anti -dripping fan -shaped sheet of rotating sleeve, realizes the pull -out anti -dripping operation when pulling out, prevents the coolant pollution maintenance environment, and simultaneously, because of reducing the leakage risk of coolant, maintenance cost has been reduced.

[0006] Technical scheme: in order to realize the above object, the utility model provides a new energy automobile power battery cooling system's pull -out anti -dripping water cooling joint, including water cooling joint body and rotating sleeve, the rotating sleeve is located in the circumferential surface of water cooling joint body;The middle part of water cooling joint body is symmetrically provided with an opening;The inner side of rotating sleeve is provided with a connecting rod;The connecting rod passes through the opening and is arranged;The middle part of connecting rod is provided with a rotating shaft;The end, away from the connecting rod, of rotating shaft is provided with a first anti -dripping fan -shaped sheet;The side, close to the connecting rod, of first anti -dripping fan -shaped sheet is provided with a second anti -dripping fan -shaped sheet;The second anti -dripping fan -shaped sheet passes through the rotating shaft and is arranged;The first anti -dripping fan -shaped sheet and the second anti -dripping fan -shaped sheet cooperate to realize the pull -out anti -dripping operation.Through the cooperation of first anti -dripping fan -shaped sheet and second anti -dripping fan -shaped sheet, the mechanical blocking effect of fan -shaped sheet is utilized to effectively prevent the dripping of coolant during the pull-out operation, ensure that the coolant does not flow out at the moment of joint disconnection, improve the sealing performance and reliability of the system;During the pull-out operation, there is no need to worry about coolant pollution or waste, which reduces the maintenance cost and time;At the same time, through the cooperation of rotating sleeve and connecting rod, the space utilization is improved.

[0007] Further, the first and second drip-proof vanes are provided with a plurality of blades. When the connector is plugged or unplugged, the blades of the first and second drip-proof vanes are matched to form a sealing surface, so that the plugging and unplugging drip-proof effect is realized.

[0008] Further, two middle sealing rings are arranged between the water-cooled connector body and the rotating sleeve near the connecting rod. The double-sealing ring structure can provide more reliable sealing effect, effectively preventing the leakage of the cooling liquid from the opening of the water-cooled connector body.

[0009] Further, the connecting rod has a width smaller than that of the opening, so that the connecting rod can be horizontally rotated in the opening. The connecting rod can be horizontally rotated in the opening, so that the plugging and unplugging drip-proof effect is realized by rotating the rotating sleeve. Meanwhile, the flow of the cooling liquid can be controlled.

[0010] Further, the water-cooled connector body is provided with a pressing inner convex near the port at one end of the second drip-proof vane. The pressing inner convex ensures that the second drip-proof vane remains stable during use, reduces loosening caused by vibration or pressure change, and improves the reliability of the entire water-cooled connector.

[0011] Further, a pressing sealing ring is arranged between the pressing inner convex and the second drip-proof vane. The pressing inner convex and the pressing sealing ring are matched, and the sealing effect is further enhanced by mechanical pressing, so that the leakage of the cooling liquid at the connecting position is effectively prevented.

[0012] Further, a rubber ring is arranged on the circumferential surface of the water-cooled connector body near one end of the first drip-proof vane. The arrangement of the rubber ring ensures the sealing and compactness after the port is plugged and installed.

[0013] Further, a rubber pattern is arranged on the outer side of the rotating sleeve. The rubber material has good wear resistance and self-lubricating performance, which can reduce the wear between the rotating sleeve and the external components, thereby prolonging the service life of the water-cooled connector.

[0014] The above technical scheme can achieve the following beneficial effects:

[0015] 1. The plugging and unplugging drip-proof water-cooled connector for a new energy automobile power battery cooling system can effectively prevent the dripping of the cooling liquid during plugging and unplugging by the cooperation of the first and second drip-proof vanes and the mechanical blocking effect of the vanes, so that the cooling liquid does not flow out at the moment of disconnection of the connector, the cooling liquid pollution of the maintenance environment is prevented, and the sealing property and reliability of the system are improved.

[0016] 2, The utility model discloses a new energy automobile power battery cooling system's plug -in anti -dripping water cooling connector, when plugging operation does not need to worry about the pollution or waste of coolant, because the leakage risk of coolant is reduced, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 For the structure diagram of the plug -in anti -dripping water cooling connector of the new energy automobile power battery cooling system of the utility model;

[0018] Figure 2 For the structure diagram of the plug -in anti -dripping water cooling connector of the new energy automobile power battery cooling system of the utility model;

[0019] Figure 3 For Figure 1 A-A cross-sectional view of;

[0020] Figure 4 For Figure 1 Lower view of;

[0021] In the figure:

[0022] 1-water cooling connector body;11-opening;12-pressing inner convex;

[0023] 2-rotary sleeve;21-connecting rod;22-rotary shaft;23-first anti -dripping fan blade;24-second anti -dripping fan blade;25-rubber lines;

[0024] 231-blade;

[0025] 3-sealing ring;

[0026] 4-pressing sealing ring;

[0027] 5-rubber ring. DETAILED DESCRIPTION

[0028] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model. EMBODIMENTS

[0029] In this embodiment, as Figures 1 to 4This utility model discloses a plug-in anti-drip water-cooled connector for a power battery cooling system of a new energy vehicle, including a water-cooled connector body 1 and a rotating sleeve 2. The rotating sleeve 2 is disposed on the circumference of the water-cooled connector body 1. The water-cooled connector body 1 has symmetrical openings 11 in the middle. The rotating sleeve 2 has a connecting rod 21 on its inner side. The connecting rod 21 passes through the opening 11. The connecting rod 21 has a rotating shaft 22 in the middle. The end of the rotating shaft 22 away from the connecting rod 21 has a first anti-drip fan 23. The side of the first anti-drip fan 23 near the connecting rod 21 has a second anti-drip fan 24. The second anti-drip fan 24 passes through the rotating shaft 22. The first anti-drip fan 23 and the second anti-drip fan 24 cooperate to realize the plug-in anti-drip operation.

[0030] Specifically, by rotating the first anti-drip fan blade 23 in conjunction with the second anti-drip fan blade 24, the anti-drip effect is achieved during insertion and removal.

[0031] Specifically, a connecting slot can be added to the inner wall of the end of the water-cooled connector body 1 away from the first anti-drip fan blade 23 to increase the connection strength of this port.

[0032] Specifically, a thread can be added to the outer wall of the end of the water-cooled connector body 1 near the first anti-drip fan blade 23 to increase the connection strength of this port.

[0033] In this embodiment, as Figure 4 The first anti-drip fan blade 23 and the second anti-drip fan blade 24 are each provided with a plurality of blades 231.

[0034] Specifically, during insertion and removal, the first anti-drip fan blade 23 rotates, and its blades 231 can cooperate with the blades 231 of the second anti-drip fan blade 24 to form a sealing surface, thus completing the anti-drip operation.

[0035] In particular, the flow path of the coolant can be optimized by adjusting the spacing of the blades 231.

[0036] In this embodiment, as Figure 3 Two sets of central sealing rings 3 are provided near the connecting rod 21 between the water-cooled connector body 1 and the rotating sleeve 2.

[0037] Specifically, a sealing ring pressing protrusion can be added to the side circumference of the central sealing ring 3 away from the connecting rod 21 to improve the sealing effect of the central sealing ring 3.

[0038] In this embodiment, as Figure 2 and Figure 3 The width of the connecting rod 21 is smaller than the width of the opening 11, ensuring that the connecting rod 21 can rotate horizontally within the opening 11.

[0039] Specifically, the peripheral side of the opening 11 can be additionally provided with a rubber part for reducing collision with the connecting rod 21 and prolonging the service life of the mechanism.

[0040] In this embodiment, as shown in Figure 3 , the water-cooled connector body 1 is provided with a pressing inner protrusion 12 at the end port near the second drip-proof fan blade 24, and a pressing sealing ring 4 is arranged between the pressing inner protrusion 12 and the second drip-proof fan blade 24.

[0041] Specifically, the pressing sealing ring 4 is preferably selected to be stepped to increase the contact area with the second drip-proof fan blade 24 and the pressing inner protrusion 12, thereby improving the sealing effect and reducing wear caused by local stress concentration.

[0042] In this embodiment, as shown in Figure 2 and Figure 3 , the water-cooled connector body 1 is provided with a rubber ring 5 on the peripheral surface near one end of the first drip-proof fan blade 23.

[0043] Specifically, the rubber ring 5 is selected to be made of water-swelling rubber material, which will automatically swell when contacting the cooling liquid, thereby further enhancing the sealing effect.

[0044] In this embodiment, as shown in Figure 1 , the rotating sleeve 2 is provided with a rubber pattern 25 on the outer side.

[0045] Specifically, the rubber pattern 25 can be preferably selected to be corrugated or serrated, so as to increase the friction force of the contact surface and reduce the risk of cooling liquid leakage.

[0046] The working principle of the above embodiment is as follows:

[0047] The utility model discloses a new energy automobile power battery cooling system's pull plug drip-proof water-cooled connector, uses the connection, and one end near the first drip-proof fan blade 23 is inserted into the port that needs to be connected, and is connected by the clamping of rubber ring 5.

[0048] When pulling and plugging, first rotate the rotating sleeve 2, as shown in Figure 4 , so that the blades 231 of the first drip-proof fan blade 23 and the second drip-proof fan blade 24 cooperate to form a sealing surface to complete the drip-proof operation, prevent the cooling liquid from flowing out, and then carry out the dismounting work.

[0049] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements can be made without departing from the principle of the utility model, and these improvements should also be regarded as the protection range of the utility model.

Claims

1. A plug-in anti-drip water-cooling connector for a power battery cooling system of a new energy vehicle, characterized in that: include: Water-cooled connector body (1) and rotating sleeve (2), wherein the rotating sleeve (2) is provided on the circumferential surface of the water-cooled connector body (1); The water-cooled connector body (1) has symmetrical openings (11) in the middle. The inner side of the rotating sleeve (2) is provided with a connecting rod (21); the connecting rod (21) is provided through the opening (11); the middle of the connecting rod (21) is provided with a rotating shaft (22); the end of the rotating shaft (22) away from the connecting rod (21) is provided with a first anti-drip fan blade (23); the side of the first anti-drip fan blade (23) near the connecting rod (21) is provided with a second anti-drip fan blade (24); the second anti-drip fan blade (24) is provided through the rotating shaft (22); the first anti-drip fan blade (23) and the second anti-drip fan blade (24) cooperate to realize the plugging and unplugging anti-drip operation.

2. The plug-in anti-drip water-cooling connector for the cooling system of a new energy vehicle power battery according to claim 1, characterized in that: Both the first anti-drip fan blade (23) and the second anti-drip fan blade (24) are provided with a number of blades (231).

3. The plug-in anti-drip water-cooling connector for the cooling system of a new energy vehicle power battery according to claim 1, characterized in that: Two sets of central sealing rings (3) are provided between the water-cooled connector body (1) and the rotating sleeve (2) near the connecting rod (21).

4. The plug-in anti-drip water-cooling connector for the cooling system of a new energy vehicle power battery according to claim 1, characterized in that: The width of the connecting rod (21) is smaller than the width of the opening (11), ensuring that the connecting rod (21) can rotate horizontally within the opening (11).

5. The plug-in anti-drip water-cooling connector for the cooling system of a new energy vehicle power battery according to claim 1, characterized in that: The water-cooled connector body (1) has a pressing inner protrusion (12) at one end near the second anti-drip fan blade (24).

6. The plug-in anti-drip water-cooling connector for a new energy vehicle power battery cooling system according to claim 5, characterized in that: A pressing sealing ring (4) is provided between the pressing inner protrusion (12) and the second anti-drip fan blade (24).

7. The plug-in anti-drip water-cooling connector for a new energy vehicle power battery cooling system according to claim 1, characterized in that: A rubber ring (5) is provided on the circumference of the water-cooled connector body (1) near the first anti-drip fan blade (23).

8. The plug-in anti-drip water-cooling connector for the cooling system of a new energy vehicle power battery according to claim 1, characterized in that: The outer side of the rotating sleeve (2) is provided with rubber texture (25).

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