Air blowing valve

Abstract

The utility model relates to an outdoor appliance, belongs to the field of air valves, and provides an air blowing valve which comprises a valve seat, a valve core, a key and an air blowing nozzle, the valve seat is provided with a key cavity, and a valve ring is arranged in the valve seat; the valve element comprises a sealing ring, a reset spring and a valve rod, an abutting ring is arranged at the rear end of the valve rod, a sealing ring groove is formed in the front end of the valve rod, an air inlet hole is formed in the middle of the valve rod, the reset spring is nested outside the valve rod, one end of the reset spring abuts against the inner side of the abutting ring, and the other end of the reset spring abuts against the inner side of the valve ring. The sealing ring groove extends to the outer side of the valve ring and is sleeved with a sealing ring; the key is provided with an inclined sliding block, the blowing nozzle is provided with an inclined sliding groove and an O-shaped ring caulking groove, one end of the blowing nozzle is inserted into the valve seat, an O-shaped ring is embedded into the O-shaped ring caulking groove, the inclined sliding block in the key is clamped into the inclined sliding groove, and the end face, inserted into the valve seat, of the blowing nozzle abuts against the outer side of the abutting ring of the valve rod. The utility model has the advantages of simple use and convenient blowing, and can effectively prevent gas backflow and leakage.

Description

Technical Field

[0001] This utility model relates to the field of outdoor products, and in particular to an air valve for directly blowing air into inflatable products. Background Technology

[0002] Currently, common inflatable bag-shaped items such as life rings, air cushions, air beds, and inflatable toys are often equipped with valves to inflate the bag-shaped items. Existing inflatable valve structures are relatively complex and have high manufacturing costs. In particular, products that are directly blown in are inconvenient to inflate, and backflow can occur, resulting in poor sealing. Summary of the Invention

[0003] To overcome the shortcomings of existing technologies, this utility model provides an air-blowing valve, comprising: a valve seat, a valve core, a button, and an air-blowing nozzle. The valve seat is characterized by: a button cavity for accommodating the button, and a valve ring inside the valve seat; the valve core includes a sealing ring, a return spring, and a valve stem; the valve stem has a pressure ring at its rear end, a sealing ring groove at its front end, and an air inlet in its middle; the return spring is nested outside the valve stem, with one end pressing against the inner side of the pressure ring and the other end pressing against the inner side of the valve ring; the valve stem passes through the valve ring; the sealing ring groove extends to the outside of the valve ring and is fitted with a sealing ring to seal the airflow channel inside the valve seat; the button has a slanted slider; the air-blowing nozzle has a slanted groove and an O-ring groove; one end of the air-blowing nozzle is inserted into the valve seat, and an O-ring is embedded in the O-ring groove to seal the air-blowing nozzle against the inner wall of the valve seat; the slanted slider inside the button is engaged in the slanted groove; and the end face of the air-blowing nozzle inserted into the valve seat abuts against the outer side of the pressure ring of the valve stem.

[0004] Furthermore, an air inlet connector is provided to connect with the air outlet end of the valve seat, and a gasket is provided to be embedded in the connection between the air inlet connector and the valve seat.

[0005] This utility model adopts the above solution. Pressing the button opens the air valve for blowing air, and releasing the button automatically closes it. It is convenient for blowing air and can effectively prevent gas backflow and leakage. Attached Figure Description

[0006] Figure 1 This is a schematic diagram of the disassembled state of this utility model;

[0007] Figure 2 This is a front view of the assembly state of this utility model;

[0008] Figure 3 This utility model Figure 2 Schematic diagram of the AA section;

[0009] Figure 4 This utility model Figure 2 Schematic diagram of the cross-section of BB.

[0010] The labels in the diagram indicate:

[0011] 1-Valve seat, 11-Button chamber, 12-Valve ring;

[0012] 2-Valve core, 21-Sealing ring, 22-Return spring, 23-Valve stem, 231-Pressure ring, 232-Sealing ring groove, 233-Air inlet;

[0013] 3-Button, 31-Slanted slider;

[0014] 4- Air nozzle, 41- Slanted groove, 42- O-ring groove, 420- O-ring;

[0015] 5-Inlet connector, 51-Washer. Detailed Implementation

[0016] like Figures 1 to 4 An air-blowing valve includes a valve seat 1, a valve core 2, a button 3, and an air-blowing nozzle 4. The valve seat 1 has a button cavity 11 to accommodate the button 3, and a valve ring 12 is provided inside the valve seat 1. The valve core 2 includes a sealing ring 21, a return spring 22, and a valve stem 23. The valve stem 23 has a pressure ring 231 at its rear end, a sealing ring groove 232 at its front end, and an air inlet 233 in its middle. The return spring 22 is nested outside the valve stem 23, with one end pressing against the inside of the pressure ring 231 and the other end pressing against the inside of the valve ring 12. The valve stem 23 passes through the valve ring 12, and the sealing ring groove 232 extends to the outside of the valve ring 12 and is fitted into the sealing ring 21 to seal the airflow channel inside the valve seat 1. The button 3 has a slanted slider 31, and the air-blowing nozzle 4 has a slanted groove 41 and an O-ring groove 42. One end of the air-blowing nozzle 4 is inserted into the valve seat 1. Inside, an O-ring 420 is embedded in the O-ring groove 42 to achieve a seal between the air nozzle and the inner wall of the valve seat. The inclined slider 31 inside the button 3 is inserted into the inclined slide groove 41. The end face of the air nozzle 4 inserted into the valve seat 1 abuts against the outside of the pressure ring 231 of the valve stem 23. When the button 3 is pressed, the inclined slider 31 moves from top to bottom in the inclined slide groove 41, driving the air nozzle 4 to push the valve core 2 inward, so that the sealing ring 21 leaves the valve ring 12 and opens the airflow channel inside the valve seat 1, so that air can be blown inward from the air nozzle 4. After the button 3 is released, under the action of the return spring 22, the sealing ring 21 closes the airflow channel inside the valve seat 1 again. In order to facilitate the connection with air inlet pipes of different specifications, an air inlet connector 5 is provided to connect with the air outlet end of the valve seat 1. In order to enhance the sealing between the air inlet connector 5 and the valve seat 1, a washer 51 is embedded in the connection part between the air inlet connector 5 and the valve seat 1.

[0017] This utility model adopts the above solution. Pressing button 3 opens the air valve for blowing air, and releasing the button automatically closes it. It is convenient for blowing air and can effectively prevent gas backflow and leakage.

Claims

1. An air blowing valve, comprising: A valve seat, valve core, button, and air nozzle, characterized in that: the valve seat has a button cavity to accommodate the button, and a valve ring is provided inside the valve seat; the valve core includes a sealing ring, a return spring, and a valve stem, the valve stem has a pressure ring at the rear end, a sealing ring groove at the front end, and an air inlet in the middle, the return spring is nested outside the valve stem, one end of the return spring presses against the inner side of the pressure ring, and the other end presses against the inner side of the valve ring, the valve stem passes through the valve ring, the sealing ring groove extends to the outside of the valve ring and is fitted into the sealing ring to seal the airflow channel inside the valve seat; the button has a slanted slider, the air nozzle has a slanted groove and an O-ring groove, one end of the air nozzle is inserted into the valve seat, and an O-ring is embedded in the O-ring groove to seal the air nozzle with the inner wall of the valve seat, the slanted slider in the button is engaged in the slanted groove, and the end face of the air nozzle inserted into the valve seat abuts against the outer side of the pressure ring of the valve stem.

2. The air-blowing valve as described in claim 1, characterized in that: It also has an air inlet connector that connects to the air outlet of the valve seat, and a gasket is embedded in the connection between the air inlet connector and the valve seat.

Images