Quick disassembly and assembly type connector for metal pipe fittings

Abstract

The utility model discloses a metal pipe fitting quick dismounting type connector, which belongs to the technical field of quick dismounting connectors, and comprises a quick dismounting female head and a quick dismounting male head, one side of the quick dismounting female head is provided with a connecting plug, a plurality of balls are arranged in the circumferential direction of the connecting plug, the outer side of the quick dismounting female head is sleeved with a ring sleeve which is reset through a reset spring, and the ring sleeve can limit the positions of the balls; one side of the quick release male head is provided with an annular groove matched with the ball, and the other side of the quick release male head is provided with an outer hexagon nut. A symmetrical valve body structure is matched with a limiting column to ensure that a fluid channel is always coaxial and unblocked, and channel narrowing caused by different elastic forces of springs on the two sides is avoided; and the multiple sealing ring layout enhances the sealing reliability under the complex working condition.

Description

Technical Field

[0001] This utility model relates to the field of quick-release connector technology, specifically a quick-release connector for metal pipe fittings. Background Technology

[0002] In the field of metal pipe fittings connection technology, quick-release couplings are widely used due to their ease of maintenance. Traditional quick-release couplings mainly rely on snap-fit ​​or threaded locking structures to achieve male and female connection. Threaded connections require multiple rotations, and snap-fit ​​structures require special tools, making operation cumbersome.

[0003] The above-mentioned technical conditions also have shortcomings: the existing quick-release connectors require both hands to connect, which is inefficient and reduces the effectiveness of use.

[0004] Based on this, this utility model designs a quick-release connector for metal pipe fittings to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a quick-release connector for metal pipe fittings to solve the above-mentioned technical problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a quick-release connector for metal pipe fittings, comprising a quick-release female connector and a quick-release male connector. The quick-release female connector has a plug on one side, and the plug has multiple balls circumferentially arranged. A ring sleeve that is reset by a return spring is fitted on the outer side of the quick-release female connector, and the ring sleeve can restrict the position of the balls. The quick-release male connector has an annular groove on one side that matches the balls, and an external hexagonal nut on the other side.

[0007] By adopting the above technical solution, the male and female connectors can be quickly disassembled using a single-handed operation.

[0008] Preferably, the quick-release male connector has a first mounting seat inside, the first mounting seat is connected to a first collar via a first spring, the first collar is fixedly connected to a first valve body, the first valve body has a first valve core, and the bottom of the first collar has a first limiting post to restrict the displacement of the first collar. The quick-release female connector has a second mounting seat inside, the second mounting seat is connected to a second collar via a second spring, the second collar is fixedly connected to a second valve body, the second valve body has a second valve core, and the bottom of the second collar has a second limiting post to restrict the displacement of the second collar.

[0009] By adopting the above technical solution, the narrowing of the channel caused by the different elastic forces of the springs on both sides is avoided, thus improving the performance.

[0010] Preferably, the ends of the first valve core and the second valve core are respectively provided with a first contact surface and a second contact surface that can abut against each other.

[0011] By adopting the above technical solution, both the female and male connectors are in a closed state before connection.

[0012] Preferably, the quick-release male connector has a No. 1 sealing ring and a No. 2 sealing ring inside, and the quick-release female connector has a No. 3 sealing ring and a No. 4 sealing ring inside.

[0013] By adopting the above technical solutions, its sealing performance is improved.

[0014] In summary, this application has the following beneficial technical effects:

[0015] The ball bearings are locked / released by a ring sleeve, enabling quick one-handed assembly and disassembly; the symmetrical valve body structure, combined with the limiting column, ensures that the fluid channel is always coaxial and unobstructed, avoiding narrowing of the channel due to different spring forces on both sides; the multiple sealing ring layout enhances sealing reliability under complex working conditions. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0018] Figure 2 This is a schematic diagram of the split structure of the quick-release male connector in this embodiment;

[0019] Figure 3 This is a schematic diagram of the quick-release female connector in this embodiment;

[0020] Figure 4 This is a schematic cross-sectional view of the overall structure of this embodiment.

[0021] The attached diagram lists the components represented by each number as follows:

[0022] 1. Quick-release female connector; 2. Quick-release male connector; 3. Ring sleeve; 4. Plug connector; 5. Ball bearing; 6. Annular groove; 7. Hex nut; 8. First mounting base; 9. First spring; 10. First collar; 11. First valve body; 12. First valve core; 13. No. 1 sealing ring; 14. First limiting post; 15. No. 2 sealing ring; 16. Second mounting base; 17. Second spring; 18. Second collar; 19. Second valve body; 20. Return spring; 21. Second valve core; 22. Second contact surface; 23. Second limiting post; 24. No. 3 sealing ring; 25. No. 4 sealing ring. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0025] A quick-release connector for metal pipe fittings includes a quick-release female connector 1 and a quick-release male connector 2. A return spring 20 is provided on the quick-release female connector 1, and a ring 3 is connected to the return spring 20. The return spring 20 can reset the ring 3, thereby adjusting the subsequent connection. A plug 4 is provided on one side of the quick-release female connector 1, and multiple balls 5 are provided on the plug 4. The ring 3 can restrict the position of the multiple balls 5 and can hold the multiple balls 5 after the ring 3 resets. An annular groove 6 adapted to the multiple balls 5 is provided on one side of the quick-release male connector 2. After snapping, the multiple balls 5 are locked inside the annular groove 6, thereby realizing the connection between the male and female connectors. An external hexagonal nut 7 is provided on the other side of the quick-release male connector 2. A first mounting base 8 is provided inside the quick-release male connector 2. A first spring 9 is connected to one side of the first mounting base 8, and a collar 10 is connected to one side of the first spring 9. A first valve is fixedly connected to one side of the first collar 10. The valve body 11 has a first valve core 12 on it. A first contact surface is provided on one side of the first valve core 12. Multiple first limiting posts 14 are provided on one side of the first collar 10 to limit the retraction of the first valve body 11. A second mounting seat 16 is provided inside the quick-release female head 1. A second spring 17 is connected to one side of the second mounting seat 16. A second collar 18 is connected to one end of the second spring 17. A second valve body 19 is connected to one side of the second collar 18. A second valve core 21 is connected to the second valve body 19. A second contact surface 22 is provided on one end of the second valve core 21. Multiple second limiting posts 23 are provided on the other side of the second collar 18 to limit the retraction of the second valve body 19. This design ensures that the effect of the valve body is not affected by the change of spring force on both sides, avoids the narrowing of the infusion channel due to the different spring forces on both sides, and improves its service life. The valve body and the valve core can move as a whole, so that they can move synchronously. The valve body is the mounting seat for the valve core.

[0026] Furthermore, a sealing ring 13 is fitted on the first valve core 12, which can improve the sealing performance of the connection between the first valve core 12 and the quick-release female head 1.

[0027] Furthermore, a second sealing ring 15 is provided on one side of 8, which can improve the sealing performance of its installation.

[0028] Furthermore, a No. 3 sealing ring 24 and a No. 4 sealing ring 25 are provided inside the quick-connect female connector 1, which can further improve the sealing performance of the quick-connect connector.

[0029] Furthermore, the first sealing ring 13 ensures the seal between the first valve core 12 and the inner wall of the quick-release female head 1; the second sealing ring 15 seals the gap between the first mounting seat 8; the third sealing ring 24 and the fourth sealing ring 25 respectively strengthen the static and dynamic seals between the second valve body 19 and the inner wall of the female head.

[0030] The implementation principle of this embodiment is as follows: when the quick-release male connector 2 is inserted into the quick-release female connector 1, the connector 4 pushes the second valve core 21 to compress the second spring 17 until the first contact surface and the second contact surface 22 abut; the ball 5 slides into the annular groove 6, and the reset spring 20 pushes the ring sleeve 3 forward to lock the ball 5; when separated, the ring sleeve 3 is pulled back to release the ball 5, and the valve cores on both sides automatically reset and cut off the flow under the action of the springs (9, 17).

[0031] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the 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.

[0032] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick disassembly type connector for metal pipes, comprising a quick disassembly female head (1) and a quick disassembly male head (2), characterized in that: The quick-release female head (1) has a connector (4) on one side, and multiple balls (5) are arranged around the connector (4). The quick-release female head (1) is fitted with a ring sleeve (3) that is reset by a return spring (20) on the outside. The ring sleeve (3) can restrict the position of the balls (5). The quick-release male head (2) has an annular groove (6) on one side that is adapted to the balls (5), and an external hexagonal nut (7) on the other side.

2. A quick disconnect fitting for metal pipes according to claim 1, characterized in that: The quick-release male connector (2) has a first mounting seat (8) inside. The first mounting seat (8) is connected to the first collar (10) through the first spring (9). The first collar (10) is fixedly connected to the first valve body (11). The first valve body (11) has a first valve core (12). The bottom of the first collar (10) has a first limiting post (14) that limits the displacement of the first collar (10).

3. A quick disconnect fitting for metal pipes according to claim 2, characterized in that: The quick-release female head (1) is provided with a second mounting seat (16), the second mounting seat (16) is connected to the second collar (18) through the second spring (17), the second collar (18) is fixedly connected to the second valve body (19), the second valve body (19) is provided with a second valve core (21), and the bottom of the second collar (18) is provided with a second limiting post (23) to limit the displacement of the second collar (18).

4. A quick-release connector for metal pipe fittings according to claim 3, characterized in that: The ends of the first valve core (12) and the second valve core (21) are respectively provided with a first contact surface and a second contact surface (22) that can abut against each other.

5. The quick disconnect fitting of claim 1, wherein: The quick-release male connector (2) is provided with a No. 1 sealing ring (13) and a No. 2 sealing ring (15) inside, and the quick-release female connector (1) is provided with a No. 3 sealing ring (24) and a No. 4 sealing ring (25) inside.

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