Quick plug connector capable of being quickly plugged and unplugged

Abstract

The utility model discloses a quick-plug connector capable of being quickly plugged and unplugged, which comprises an angular regulating valve, an air outlet pipe is arranged on the side surface of the angular regulating valve, a quick-plug connector assembly is arranged at one end of the air outlet pipe, and the quick-plug connector assembly comprises a male connector. According to the hydrogen charging device, the quick-plug connector assembly is installed and comprises the male connector, the quick-plug female connector, the protruding block, the L-shaped lock rod and the connecting ring, when hydrogen charging is needed, the male connector is inserted into the quick-plug female connector, and then a user pulls the connecting ring with a hand to conduct angle operation on the L-shaped lock rod; the hook-shaped clamp at one end of the L-shaped lock rod is controlled to be clamped in the fixing groove to fix the male connector and the quick-plug female connector, after hydrogen filling is completed, a user pulls the connecting ring with a hand, the position angle of the L-shaped lock rod is adjusted, the hook-shaped clamp at one end of the L-shaped lock rod is moved away from the fixing groove, then the male connector and the quick-plug female connector can be separated, the screwing frequency of the cylinder valve is reduced, and the labor intensity of the user is reduced. And the service life of the connector is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen filling of solid hydrogen storage tanks, in particular to a quick-plug connector that can be quickly plugged in and out. Background Art

[0002] Solid-state hydrogen storage tanks use the physical adsorption and chemical adsorption of hydrogen by the material of the hydrogen storage tank itself to store hydrogen, among which physical adsorption is the adsorption of hydrogen molecules on the surface of porous materials through van der Waals forces.

[0003] Patent document US20080295817A1 discloses "a valve that may be used for a paintball marker, having a longer threaded portion to ensure that a tank engaged with the valve must undergo a number of twists before it can be unscrewed from the valve. Alternatively, the valve has an elongated threaded portion, and its exhaust passage discharges gas along the extension of the thread. Alternatively, the valve may have visual markings along the length of the threaded portion to indicate to the user that the tank is being unscrewed." The above-mentioned gas tank valve lacks a quick-connect connector assembly. When inflating, the connecting plug needs to be unscrewed. Long-term use will cause severe wear of the connecting plug and reduce the service life of the valve. Utility Model Content

[0004] The purpose of the utility model is to provide a quick-insertion and pull-out quick-connect connector to solve the technical problem in the prior art that a quick-connect connector assembly is lacking and a connecting plug needs to be unscrewed during inflation, and long-term use causes serious wear of the connecting plug and reduces the service life of the valve.

[0005] To achieve the above object, the utility model provides the following technical solution: a quick-plug connector that can be quickly plugged in and out, comprising an angle regulating valve, an air outlet pipe is installed on the side of the angle regulating valve, and a quick-plug connector assembly is installed at one end of the air outlet pipe;

[0006] The quick-connect connector assembly includes a male connector, a quick-connect female connector is installed on the outer surface of the male connector, two groups of protrusions are installed on the front and back of the quick-connect female connector, and L-shaped locking rods are installed inside the two groups of protrusions through connecting shafts. One end of the L-shaped locking rod is located inside the quick-connect female connector, and one end of the L-shaped locking rod is located outside the male connector. One end of the L-shaped locking rod is hook-shaped, and a connecting ring is movably installed on one end of the L-shaped locking rod, which is convenient for users to hold and operate.

[0007] Preferably, fixing grooves are provided on the front and back sides of the male connector, and one end of the L-shaped locking rod is inserted into the fixing groove to fix the male connector and the quick-insert female connector.

[0008] Preferably, an internal thread is installed at one end of the quick-insert female connector, the internal thread is located on the right side of the male connector, and the internal thread is used to install the hydrogen output pipe.

[0009] Preferably, a valve is installed at the top of the angle regulating valve, and anti-skid patterns are installed on the outer surface of the valve, which increase friction.

[0010] Preferably, a connecting rod is installed at the bottom end of the valve, a piston is installed at the bottom end of the connecting rod, the piston is located inside the angle regulating valve, the bottom end of the piston is gyro-shaped, and the piston is made of rubber material.

[0011] Preferably, a sealing rubber gasket is installed inside the angle regulating valve, and the sealing rubber gasket is located below the piston.

[0012] Preferably, an air intake pipe is installed at the bottom end of the angle regulating valve, an external thread is installed on the outer surface of the air intake pipe, a flange is installed on the outer surface of the external thread, and multiple groups of mounting holes are opened through the interior of the flange, and the mounting holes are used to insert bolts to facilitate the installation of other components.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model is equipped with a quick-insert connector assembly, which includes a male connector, a quick-insert female connector, a protrusion, an L-shaped locking rod and a connecting ring. When hydrogen filling is required, the male connector is inserted into the quick-insert female connector, and then the user pulls the connecting ring by hand to operate the angle of the L-shaped locking rod, and controls the hook at one end of the L-shaped locking rod to be clamped in the fixing groove to fix the male connector and the quick-insert female connector. After hydrogen filling is completed, the user pulls the connecting ring by hand to adjust the position angle of the L-shaped locking rod, so that the hook at one end of the L-shaped locking rod is moved away from the fixing groove, and the male connector and the quick-insert female connector can be separated, thereby reducing the number of times the bottle valve is twisted and increasing the service life of the connector.

[0015] 2. The utility model installs a flange, screws the external thread into the mouth of the hydrogen storage tank, and then inserts bolts into the mounting holes to fix the flange to the top of the hydrogen storage tank, fix the hydrogen storage tank and the connector, further strengthen the stable sealing between the connector and the hydrogen storage tank, and prevent the connecting plug from falling off the hydrogen storage tank during hydrogen storage operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the angle regulating valve of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the quick-insert female connector of the utility model;

[0020] Figure 5The utility model is a schematic diagram of the cross-sectional structure of the quick-insert female connector.

[0021] In the figure: 1. Angle regulating valve; 2. Valve; 3. Anti-slip groove; 4. External thread; 5. Flange; 6. Mounting hole; 7. Exhaust pipe; 8. Quick-connect female connector; 9. Internal thread; 10. Bump; 11. L-shaped locking rod; 12. Connecting ring; 13. Connecting rod; 14. Piston; 15. Sealing rubber gasket; 16. Inlet pipe; 17. Fixing groove; 18. Male connector. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The utility model provides an embodiment: a quick-plug connector that can be quickly plugged in and out, comprising an angle regulating valve 1, an air outlet pipe 7 is installed on the side of the angle regulating valve 1, and a quick-plug connector assembly is installed at one end of the air outlet pipe 7;

[0025] The quick-plug connector assembly includes a male connector 18, a quick-plug female connector 8 is installed on the outer surface of the male connector 18, two groups of protrusions 10 are installed on the front and back of the quick-plug female connector 8, and L-shaped locking rods 11 are installed inside the two groups of protrusions 10 through connecting shafts. One end of the L-shaped locking rod 11 is located inside the quick-plug female connector 8, and one end of the L-shaped locking rod 11 is located outside the male connector 18. One end of the L-shaped locking rod 11 is hook-shaped, and a connecting ring 12 is movably installed on one end of the L-shaped locking rod 11. The connecting ring 12 is convenient for users to hold and operate. The angle regulating valve 1 fixes the air outlet pipe 7, and the air outlet pipe 7 fixes the male connector 18. The male connector 18 and the quick-plug female connector 8 are clamped by the L-shaped locking rod 11. The L-shaped locking rod 11 is fixed at the fixing groove 17, and the protrusion 10 limits the position of the L-shaped locking rod 11 through the connecting shaft. A connecting ring 12 is installed on the L-shaped locking rod 11, and the connecting ring 12 is convenient for the user to hold. Then the L-shaped locking rod 11 is operated at an angle, and then the hook at one end of the L-shaped locking rod 11 is controlled to be clamped in the fixing groove 17 to fix the male connector 18 and the quick-plug female connector 8, or the hook is separated from the fixing groove 17, so that the male connector 18 and the quick-plug female connector 8 are separated, which is convenient for the installation and disassembly of the male connector 18 and the quick-plug female connector 8. The front and back sides of the male connector 18 are provided with fixing grooves 17, and one end of the L-shaped locking rod 11 is clamped in the fixing groove 17 to fix the male connector 18 and the quick-plug female connector 8.

[0026] An internal thread 9 is installed inside one end of the quick-insert female connector 8, and the internal thread 9 is located on the right side of the male connector 18. The internal thread 9 is used to install the hydrogen output pipe. The quick-insert female connector 8 fixes the internal thread 9, and the internal thread 9 is used to connect the hydrogen output pipe.

[0027] A valve 2 is installed at the top of the angle regulating valve 1, and an anti-skid pattern 3 is installed on the outer surface of the valve 2. The anti-skid pattern 3 increases the friction force. The angle regulating valve 1 fixes the valve 2, and the anti-skid pattern 3 is installed on the outer surface of the valve 2. The anti-skid pattern 3 increases the friction force of the valve 2, which is convenient for the user to twist the valve 2. A connecting rod 13 is installed at the bottom end of the valve 2, and a piston 14 is installed at the bottom end of the connecting rod 13. The piston 14 is located inside the angle regulating valve 1, and the bottom end of the piston 14 is gyroscope-shaped. The piston 14 is made of rubber material. The valve 2 fixes the connecting rod 13, and the connecting rod 13 fixes the piston 1 4 is fixed, the valve 2 is turned to raise or lower the control connecting rod 13, thereby driving the piston 14 to move up and down. A sealing rubber gasket 15 is installed inside the angle regulating valve 1, and the sealing rubber gasket 15 is located below the piston 14. The angle regulating valve 1 fixes the sealing rubber gasket 15, and the piston 14 descends to the sealing rubber gasket 15 to block the pipeline connecting the inlet pipe 16 and the outlet pipe 7 to prohibit the circulation of hydrogen. The piston 14 moves up and leaves the sealing rubber gasket 15. The hydrogen is conducted in the inlet pipe 16 and the outlet pipe 7, which is convenient for filling the solid hydrogen storage tank with hydrogen.

[0028] An intake pipe 16 is installed at the bottom end of the angle regulating valve 1, and an external thread 4 is installed on the outer surface of the intake pipe 16. A flange 5 is installed on the outer surface of the external thread 4. A plurality of mounting holes 6 are provided inside the flange 5. The mounting holes 6 are used to insert bolts to facilitate the installation of other components. The angle regulating valve 1 fixes the intake pipe 16, and the intake pipe 16 fixes the external thread 4. The external thread 4 facilitates the installation of the joint on the hydrogen storage tank. The external thread 4 fixes the flange 5, and the bolts are inserted into the mounting holes 6. The flange 5 is installed on the hydrogen storage tank, which increases the sealing between the joint and the hydrogen storage tank and avoids the presence of a gap between the joint and the hydrogen storage tank, which causes hydrogen leakage and waste of resources.

[0029] Working principle: Screw the external thread 4 into the mouth of the hydrogen storage tank, and then insert the bolt into the mounting hole 6 to further strengthen the stable sealing between the joint and the hydrogen storage tank, screw the hydrogen tank into the quick-plug female joint 8, and when hydrogen filling is required, insert the male joint 18 into the quick-plug female joint 8, and then the user pulls the connecting ring 12 by hand to operate the L-shaped locking rod 11 at an angle, control the hook at one end of the L-shaped locking rod 11 to be stuck in the fixing groove 17 to fix the male joint 18 and the quick-plug female joint 8, and then turn the valve 2 to control the connecting rod 13 to move up, drive the piston 14 to move up, and the piston 14 leaves the sealing rubber gasket. 15, the air inlet pipe 16 is connected to the air outlet pipe 7, and hydrogen can be charged into the hydrogen storage tank. After the hydrogen charging is completed, the user turns the valve 2 to move the connecting rod 13 downward, driving the piston 14 to move down to the sealing rubber gasket 15, and the pipeline connecting the air inlet pipe 16 and the air outlet pipe 7 is blocked to prohibit the circulation of hydrogen. Then the user pulls the connecting ring 12 by hand to adjust the position angle of the L-shaped locking rod 11 so that the hook at one end of the L-shaped locking rod 11 is removed from the fixing groove 17, and the male connector 18 and the quick-insert female connector 8 can be separated, thereby reducing the number of times the bottle valve is turned and increasing the service life of the connector.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A quick-plug connector that can be quickly plugged in and out, comprising an angle regulating valve (1), characterized in that: An air outlet pipe (7) is installed on the side of the angle regulating valve (1), and a quick-connect connector assembly is installed on one end of the air outlet pipe (7); The quick-connect connector assembly comprises a male connector (18), a quick-connect female connector (8) is installed on the outer surface of the male connector (18), two groups of protrusions (10) are installed on the front and back of the quick-connect female connector (8), an L-shaped locking rod (11) is installed inside the two groups of protrusions (10) through a connecting shaft, one end of the L-shaped locking rod (11) is located inside the quick-connect female connector (8), and one end of the L-shaped locking rod (11) is located outside the male connector (18), one end of the L-shaped locking rod (11) is hook-shaped, and one end of the L-shaped locking rod (11) is movably installed with a connecting ring (12), and the connecting ring (12) is convenient for a user to hold and operate.

2. A quick-plug connector according to claim 1, characterized in that: The front and back sides of the male connector (18) are provided with fixing grooves (17), and one end of the L-shaped locking rod (11) is inserted into the fixing groove (17) to fix the male connector (18) and the quick-insert female connector (8).

3. A quick-plug connector according to claim 1, characterized in that: An internal thread (9) is installed inside one end of the quick-insert female connector (8), the internal thread (9) is located on the right side of the male connector (18), and the internal thread (9) is used to install the hydrogen output pipe.

4. A quick-plug connector according to claim 1, characterized in that: A valve (2) is installed at the top of the angle regulating valve (1), and anti-skid patterns (3) are installed on the outer surface of the valve (2), and the anti-skid patterns (3) increase friction.

5. A quick-plug connector according to claim 4, characterized in that: A connecting rod (13) is installed at the bottom end of the valve (2), and a piston (14) is installed at the bottom end of the connecting rod (13). The piston (14) is located inside the angle regulating valve (1), and the bottom end of the piston (14) is gyro-shaped. The piston (14) is made of rubber material.

6. A quick-plug connector according to claim 5, characterized in that: A sealing rubber gasket (15) is installed inside the angle regulating valve (1), and the sealing rubber gasket (15) is located below the piston (14).

7. A quick-plug connector according to claim 1, characterized in that: An air intake pipe (16) is installed at the bottom end of the angle regulating valve (1), an external thread (4) is installed on the outer surface of the air intake pipe (16), a flange (5) is installed on the outer surface of the external thread (4), and a plurality of mounting holes (6) are provided through the interior of the flange (5), and the mounting holes (6) are used to insert bolts to facilitate the installation of other components.

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