A quick connector

Abstract

The utility model discloses a quick plug connector, including the plug -in pipe and the male joint, the plug -in pipe is equipped with N interface ends, the male joint is equipped with N, and every male joint all is equipped with with the first plug -in end of interface end adaptation and the second plug -in end of external pipeline connection, wherein, the interface end with the first plug -in end between being equipped with sealing assembly and locking piece, the first locking groove is set up on the interface end, the first plug -in end sets up the second locking groove, when the first plug -in end inserts the interface end, the locking piece is in order and is connected between the first locking groove with the second locking groove, and the plug -in pipe is equipped with N interface ends, is used for the communication of N male joint to the first plug -in end of interface end and male joint is sealed through sealing assembly, through the locking piece and is connected in the first locking groove and the second locking groove that every male joint will set, can realize the stable connection to the male joint of a plurality of different model series.

Description

Technical Field

[0001] This utility model relates to the field of energy storage and new energy technology, and in particular to a quick-connect connector. Background Technology

[0002] In the thermal management systems of energy storage and new energy vehicles, quick-connect fittings are crucial components for pipe connections, with common products including VDA, SAE, and CQC series. Different vehicle models have different connection methods and dimensions for each pipe, necessitating various combinations of fittings for connection. Typically, each pipe end is fitted with a corresponding type of female fitting, and multiple pipes are connected via quick-connect fittings, which feature different types of male fittings. Because each company's connection methods and models differ, existing quick-connect fittings (especially tees and crosses) lack versatility and require custom development. For products with high demand, direct mold production is generally chosen. However, for products with low demand and diverse types, due to mold costs, metal machining is often prioritized for quick-connect fitting production during the initial trial assembly and verification phase. This method suffers from low processing efficiency, high unit cost, and heavy quick-connect fitting weight. Utility Model Content

[0003] In order to overcome at least one of the defects of the prior art, the present invention provides a quick-connect connector, which can solve the problem that different connector models require customized connectors to connect different models of connectors.

[0004] The technical solution adopted by this utility model to solve its problem is:

[0005] A quick-connect connector, comprising:

[0006] A connector, wherein the connector has N interface ends;

[0007] The male connector is provided in N parts, and each male connector is provided with a first plug end adapted to the interface end and a second plug end connected to an external pipeline;

[0008] The interface end and the first plug-in end are provided with a sealing component and a locking component. The interface end is provided with a first locking groove and the first plug-in end is provided with a second locking groove. When the first plug-in end is inserted into the interface end, the locking component is sequentially engaged between the first locking groove and the second locking groove.

[0009] Furthermore, the sealing assembly includes a sealing ring and a retaining sleeve, both of which are attached to the inner wall of the interface end, with the sealing ring located on the side of the retaining sleeve away from the insertion point of the first insertion end.

[0010] Furthermore, the inner wall of the interface end is provided with a first stepped surface, and the sealing ring is disposed between the first stepped surface and the ferrule.

[0011] Furthermore, the inner wall of the interface end is provided with a locking part, and the outer wall of the sleeve is provided with a limiting groove, and the locking part is engaged in the limiting groove.

[0012] Furthermore, the locking element is a retaining ring, which has a lifting portion located outside the first locking groove and the second locking groove, and there is a gap between the lifting portion and the insertion tube.

[0013] Furthermore, the snap ring has bent portions at both ends, which abut against the outer wall of the insertion tube. The outer wall of the insertion tube has two anti-return grooves that correspond one-to-one with the bent portions. The anti-return grooves are located on one side of the first locking groove and on the retraction path of the bent portions.

[0014] Furthermore, the connector has three interface ends, and the male connector has three, with the first plug-in end of each of the three male connectors being plugged into the three interface ends respectively.

[0015] Furthermore, the interface end is provided with a guide groove, and the first insertion end of the male connector is provided with a guide block that cooperates with the guide groove, and the guide groove and the guide block are slidably connected.

[0016] Furthermore, the second connector is a bellows connector, a CQC connector, or an NW connector.

[0017] Furthermore, the connector is made of plastic.

[0018] In summary, the quick-connect connector provided by this utility model has the following technical effects:

[0019] The plug-in connector has N interface ends for connecting N male connectors. A sealing component seals the interface ends and the first insertion end of the male connector. Locking elements engage with the first locking groove and the second locking groove provided for each male connector, enabling stable connection for multiple different models and series of male connectors. By using various different models of male connectors to connect to the female connectors of external pipelines, the plug-in connector and male connector structure can connect different series and models of female connectors, thereby achieving a high applicability standard for quick-connect connectors and providing a structural basis for low-cost production of quick-connect connectors. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2This is a schematic diagram of the exploded structure of this utility model;

[0022] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0023] Figure 4 This utility model Figure 3 Enlarged view of part B;

[0024] Figure 5 This utility model Figure 1 Enlarged view of part A;

[0025] Figure 6 This is an exploded structural diagram of the insertion pipe and male connector of this utility model.

[0026] The meanings of the reference numerals in the attached drawings are as follows: 1. Insert pipe; 11. Interface end; 12. First locking groove; 13. First stepped surface; 14. Locking part; 15. Check groove; 16. Guide groove; 2. Male connector; 21. First insertion end; 22. Second insertion end; 221. Bellows insertion end; 222. CQC insertion end; 223. NW insertion end; 23. Second locking groove; 24. Guide block; 31. Sealing ring; 32. Sleeve; 321. Limiting groove; 41. Snap ring; 411. Lifting part; 412. Bending part. Detailed Implementation

[0027] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described and discussed below with reference to the accompanying drawings. Obviously, what is described here is only a part of the examples of this invention, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the protection scope of this invention.

[0028] To facilitate understanding of the embodiments of this utility model, further explanations and descriptions will be provided below with reference to the accompanying drawings and specific embodiments. These embodiments do not constitute a limitation on the embodiments of this utility model.

[0029] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0031] See Figures 1-6 This utility model discloses a quick-connect connector, including a connector tube 1 and a male connector 2. The connector tube 1 has N interface ends 11, and the male connector 2 has N, and each male connector 2 has a first plug end 21 adapted to the interface end 11 and a second plug end 22 connected to an external pipeline. A sealing component and a locking component are provided between the interface end 11 and the first plug end 21. The interface end 11 has a first locking groove 12, and the first plug end 21 has a second locking groove 23. When the first plug end 21 is inserted into the interface end 11, the locking component is sequentially engaged between the first locking groove 12 and the second locking groove 23.

[0032] Specifically, the connector 1 has N interface ends 11 (N≥2) for connection with male connectors 2. There are N male connectors 2, each including a first plug end 21 and a second plug end 22. The first plug end 21 mates with the interface ends 11 of the connector 1, ensuring a secure connection. The second plug end 22 connects to external pipelines (such as bellows, CQC, or NW plug end 223) for fluid transfer. A sealing assembly and locking element are provided between the interface ends 11 and the first plug end 21 to ensure connection stability and sealing. The sealing assembly is located inside the interface end 11, ensuring an effective seal when the first plug end 21 is inserted, preventing media leakage. The interface end 11 is provided with a first locking groove 12, and the male connector 2 is provided with a second locking groove 23. When the first plug end 21 is inserted into the interface end 11, the first locking groove 12 and the second locking groove 23 overlap, and the locking element is locked into the first locking groove 12 and the second locking groove 23, thereby preventing the male connector 2 from retracting.

[0033] See Figures 2-4 As shown, in some embodiments, the sealing assembly includes a sealing ring 31 and a retainer 32, both of which are attached to the inner wall of the interface end 11. The sealing ring 31 is located on the side of the retainer 32 away from the insertion point of the first insertion end 21.

[0034] Specifically, the sealing assembly includes a sealing ring 31 and a retainer 32. The sealing ring 31 is used to ensure a tight connection between the interface end 11 and the first insertion end 21 to prevent media leakage. In this embodiment, the sealing ring 31 is attached to the inner wall of the interface end 11 and is located on the side of the retainer 32 away from the insertion point of the first insertion end 21. This ensures that during insertion, the first insertion end 21 contacts the retainer 32 first and then the sealing ring 31. When the first insertion end 21 contacts the retainer 32, it will drive the retainer 32 to move towards the sealing ring 31, thereby ensuring that the retainer 32 compresses the sealing ring 31 to cause radial deformation, thus ensuring the sealing between the first insertion end 21 and the interface end 11.

[0035] In some embodiments, the inner wall of the interface end 11 is provided with a first stepped surface 13, and the sealing ring 31 is disposed between the first stepped surface 13 and the sleeve 32.

[0036] See Figure 4 As shown, specifically, a first stepped surface 13 is provided on the inner wall of the interface end 11. The first stepped surface 13 is used to provide a contact surface for the sealing ring 31, ensuring that the sealing ring 31 can be stably placed in the predetermined position, and can cooperate with the ferrule 32 to achieve stable installation of the sealing ring 31.

[0037] Furthermore, the sealing ring 31 is positioned between the first stepped surface 13 and the ferrule 32. Because the sealing ring 31 is located on the stepped surface, it can effectively deform to fill any possible minute gaps when subjected to pressure from the first insertion end 21, achieving optimal sealing performance.

[0038] See Figure 2-4 As shown, in some embodiments, the inner wall of the interface end 11 is provided with a locking part 14, and the outer wall of the sleeve 32 is provided with a limiting groove 321, and the locking part 14 is engaged in the limiting groove 321.

[0039] Specifically, a locking part 14 is provided on the inner wall of the interface end 11. The locking part 14 can be a protrusion, a groove, or other structure that can achieve the engagement and limiting of the sleeve 32. It is used to engage with the limiting groove 321 on the sleeve 32, thereby ensuring that the sleeve 32 can be firmly fixed inside the interface end 11 and preventing the sleeve 32 from shifting due to external pressure or vibration. The outer wall of the sleeve 32 is provided with a limiting groove 321, the position and shape of which match the locking part 14 inside the interface end 11. By engaging the limiting groove 321 of the sleeve 32 with the locking part 14 inside the interface end 11, the sleeve 32 can be effectively prevented from sliding or loosening during use, ensuring that the sealing ring 31 is always in the correct position and providing continuous and reliable sealing performance.

[0040] See Figure 1-4As shown, in some embodiments, the locking element is a retaining ring 41, which has a lifting portion 411 located outside the first locking groove 12 and the second locking groove 23, and there is a gap between the lifting portion 411 and the insertion tube 1.

[0041] Specifically, the retaining ring 41 is used to ensure a stable connection between the first insertion end 21 of the connector 1 and the interface end 11. The retaining ring 41 has the advantages of easy installation and removal, and can provide sufficient retaining force to prevent accidental disengagement. The retaining ring 41 has a lifting part 411 in the middle, which is located outside the first locking groove 12 and the second locking groove 23, and leaves a certain gap with the connector 1. This structure allows the user to easily release the locking state by manual operation, facilitating disassembly.

[0042] The working principle of the above structure:

[0043] When the first plug-in end 21 is inserted into the interface end 11, the snap ring 41 is inserted into the first locking groove 12. When the snap ring 41 moves to the corresponding groove segment of the first locking groove 12 and the second locking groove 23, the snap ring 41 is engaged in the second locking groove 23, thus completing the snap-locking of the first plug-in end 21 and the interface end 11.

[0044] The position design of the lifting part 411 allows the user to find and pull the lifting part 411 even when it is locked. When it is necessary to separate the first plug end 21 from the interface end 11, simply lift the lifting part 411 with your hand or pliers to disengage the retaining spring 41 from the first locking groove 12 and the second locking groove 23, and the first plug end 21 can be easily pulled out.

[0045] See Figure 5 As shown, in some embodiments, the snap ring 41 has bent portions 412 at both ends, the bent portions 412 abutting against the outer wall of the insertion tube 1, and the outer wall of the insertion tube 1 has two anti-return grooves 15 corresponding to the bent portions 412. The anti-return grooves 15 are located on one side of the first locking groove 12 and are located on the retraction path of the bent portions 412.

[0046] Specifically, the retaining ring 41 has bent portions 412 at both ends, and two check grooves 15 are provided on the outer wall of the insertion tube 1. Each check groove 15 corresponds one-to-one with a bent portion 412; that is, a check groove 15 is provided on the return path of one bent portion 412, and another check groove 15 is provided on the return path of the other bent portion 412. The check grooves 15 are used to prevent the bent portions 412 from engaging with the retaining ring 41 when it retracts, thus preventing the retaining ring 41 from disengaging from the first locking groove 12 and the second locking groove 23, increasing the safety and reliability of the connection.

[0047] See Figure 1 and Figure 2As shown, in some embodiments, the connector 1 has three interface ends 11 and the male connector 2 has three, with the first insertion ends 21 of the three male connectors 2 respectively inserted into the three interface ends 11.

[0048] Specifically, since the most demanding scenario for the connector 1 is the need to connect three male connectors 2, the connector 1 is equipped with three interface ends 11 to address the installation of the three male connectors 2.

[0049] Similarly, the connector 1 has four interface ends 11, and correspondingly, the male connector 2 has four, with the first insertion end 21 of each of the four male connectors 2 being inserted into the four interface ends 11. In the field of new energy technology, there are also scenarios where it is necessary to connect four female connectors, and the assembly of the four external female connectors is achieved through the four male connectors 2 inserted into the four interface ends 11.

[0050] See Figure 6 As shown, in some embodiments, the interface end 11 is provided with a guide groove 16, and the first insertion end 21 of the male connector 2 is provided with a guide block 24 that cooperates with the guide groove 16. The guide groove 16 and the guide block 24 are slidably connected.

[0051] Specifically, one or more guide grooves 16 are provided on the inner wall of the interface end 11, and a guide block 24 matching the guide groove 16 inside the interface end 11 is provided on the outer side of the first insertion end 21 of the male connector 2. The cooperation of the guide groove 16 and the guide block 24 can provide a stable insertion path and installation environment for the first insertion end 21, prevent misalignment caused by misoperation, and prevent the male connector 2 from rotating after installation.

[0052] See Figure 2 and Figure 3 As shown, in some embodiments, the second plug-in terminal 22 is a bellows plug-in terminal 221, a CQC plug-in terminal 222, or an NW plug-in terminal 223.

[0053] Specifically, the corrugated pipe connector 221, CQC connector 222, or NW connector 223 are common series male connectors 2. The second connector 22 of the male connector 2 adopts the end style of common series models to improve the compatibility of the quick connector.

[0054] In some embodiments, the connector 1 is made of plastic.

[0055] Specifically, due to the aforementioned structure, after connecting the male connector 2, the connector 1 can be adapted to common series of female connectors in the new energy field, improving the versatility of the connector. Consequently, the connector 1 can be mass-produced without the need for high-cost metal machining. Correspondingly, the connector 1 can be produced using lower-cost injection molding, thereby reducing the production cost and weight of the connector 1.

[0056] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A quick-connect connector, characterized in that, include: A connector (1) is provided with N interface ends (11); Male connector (2), there are N male connectors (2), and each male connector (2) is provided with a first plug end (21) adapted to the interface end (11) and a second plug end (22) connected to the external pipeline; A sealing component and a locking component are provided between the interface end (11) and the first plug-in end (21). The interface end (11) is provided with a first locking groove (12), and the first plug-in end (21) is provided with a second locking groove (23). When the first plug-in end (21) is inserted into the interface end (11), the locking component is sequentially engaged between the first locking groove (12) and the second locking groove (23).

2. A quick-connect connector according to claim 1, characterized in that, The sealing assembly includes a sealing ring (31) and a retainer (32). Both the sealing ring (31) and the retainer (32) are attached to the inner wall of the interface end (11). The sealing ring (31) is located on the side of the retainer (32) away from the insertion point of the first plug-in end (21).

3. A quick-connect connector according to claim 2, characterized in that, The inner wall of the interface end (11) is provided with a first stepped surface (13), and the sealing ring (31) is disposed between the first stepped surface (13) and the sleeve (32).

4. A quick-connect connector according to claim 2, characterized in that, The inner wall of the interface end (11) is provided with a locking part (14), and the outer wall of the sleeve (32) is provided with a limiting groove (321). The locking part (14) is engaged in the limiting groove (321).

5. A quick-connect connector according to claim 1, characterized in that, The locking element is a snap ring (41), which has a lifting part (411) located outside the first locking groove (12) and the second locking groove (23), and there is a gap between the lifting part (411) and the insertion tube (1).

6. A quick-connect connector according to claim 5, characterized in that, The snap ring (41) has bent portions (412) at both ends. The bent portions (412) abut against the outer wall of the insertion tube (1). The outer wall of the insertion tube (1) has two anti-return grooves (15) that correspond one-to-one with the bent portions (412). The anti-return grooves (15) are located on one side of the first locking groove (12) and on the retraction path of the bent portions (412).

7. A quick-connect coupling according to any one of claims 1-6, characterized in that, The connector (1) has three interface ends (11), and the male connector (2) has three, with the first plug end (21) of the three male connectors (2) being plugged into the three interface ends (11) respectively.

8. A quick-connect coupling according to any one of claims 1-6, characterized in that, The interface end (11) is provided with a guide groove (16), and the first plug end (21) of the male connector (2) is provided with a guide block (24) that cooperates with the guide groove (16). The guide groove (16) and the guide block (24) are slidably connected.

9. A quick-connect coupling according to any one of claims 1-6, characterized in that, The second plug-in terminal (22) is a bellows plug-in terminal (221), a CQC plug-in terminal (222), or an NW plug-in terminal (223).

10. A quick-connect coupling according to any one of claims 1-6, characterized in that, The insertion tube (1) is made of plastic.

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