Novel AP5 cylinder valve

Abstract

The utility model provides a novel AP5 cylinder valve, and belongs to the technical field of valves. The problem that a monitoring device is lacked in a cylinder valve in the prior art is solved. The flow valve comprises an upper valve body and a lower valve body, a piston device is fixedly mounted in the upper valve body, a flow valve rod is fixed at the upper end of the upper valve body and extends into the upper valve body, the bottom of the flow valve rod is connected with the top of the piston device, and the upper end of the lower valve body is hermetically connected with the lower end of the upper valve body. A sealing valve rod is connected to the joint of the upper valve body and the lower valve body in a sealed mode, an air inlet hole is formed in the lower end of the lower valve body, an air inlet channel is formed in the lower valve body, the air inlet hole is communicated with the air inlet channel, the end of the sealing valve rod is communicated with the air inlet channel, and two symmetrically-arranged connecting holes are formed in the joint of the upper valve body and the lower valve body. Connecting channels are formed between the connecting holes, and pressure gauges are connected into the connecting holes in a sealed mode. The device has the advantages of being compact in structure, good in sealing effect, capable of accurately monitoring and convenient and labor-saving to adjust.

Description

Technical Field

[0001] The utility model belongs to the technical field of valves and relates to a new type of AP5 bottle valve. Background Art

[0002] In valve terminology, AP represents a spring-loaded safety valve, and 5 represents the driving method as bevel gears. The AP5 bottle valve is generally used for pressure regulation during use.

[0003] Chinese Patent No. CN202972064U discloses a bottle head valve, including a valve body and a safety device. The valve body has a valve cavity and a gas passage communicating with the valve cavity. The safety device includes a safety seat and a diaphragm. One end of the safety seat is threadedly connected to the valve body and presses the diaphragm in the valve body. There is a concave gas chamber at the contact between the valve body and the diaphragm, and this gas chamber communicates with the gas passage through a first air passage. The safety seat has a second air passage communicating with the outside, and the other end of the safety seat is tightly fitted with a safety cover, and the mounting hole of the safety cover communicates with the second air passage.

[0004] The bottle head valve provided by this patent can show the internal pressure relief state, but there is still an error when observing the internal pressure relief state of the bottle valve with the naked eye, and components that can be intuitively observed can be added. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a new type of AP5 bottle valve for the above problems existing in the prior art.

[0006] The purpose of the utility model can be achieved by the following technical solutions: A new type of AP5 bottle valve includes an upper valve body and a lower valve body. A piston device is fixedly installed inside the upper valve body. A flow valve rod is fixed at the upper end of the upper valve body. The flow valve rod extends into the upper valve body, and the bottom of the flow valve rod is connected to the top of the piston device. The upper end of the lower valve body is hermetically connected to the lower end of the upper valve body. A sealing valve rod is hermetically connected at the connection between the upper valve body and the lower valve body. An air inlet hole is opened at the lower end of the lower valve body, and an air inlet passage is opened inside the lower valve body. The air inlet hole communicates with the air inlet passage. The end of the sealing valve rod communicates with the air inlet passage. Two symmetrically arranged connection holes are opened at the connection between the upper valve body and the lower valve body, and a connection passage is opened between the connection holes. A pressure gauge is hermetically connected in the connection holes.

[0007] In the above new type of AP5 bottle valve, a lock nut is fixed at the connection between the flow valve rod and the upper valve body. A handwheel is fixed at the upper end of the flow valve rod. A locking screw is fixed on the handwheel. The locking screw passes through the handwheel and is fixedly connected to the upper end of the flow valve rod. A nut is fixed between the handwheel and the upper valve body.

[0008] In the above-mentioned new AP5 bottle valve, a piston gasket is provided at the inner bottom end of the piston device. A through pipe is opened at the bottom of the piston, and the through pipe is communicated with the connecting channel.

[0009] In the above-mentioned new AP5 bottle valve, an inflation joint is fixedly connected to the upper valve body. The end of the inflation joint extends into the upper valve body, and the end of the inflation joint is connected to the flow valve rod.

[0010] In the above-mentioned new AP5 bottle valve, a sealing runner is fixed outside the sealing valve rod. A sealing screw is fixed on the sealing runner. The sealing screw passes through the sealing runner and is fixedly connected to the sealing valve rod.

[0011] Compared with the prior art, the new AP5 bottle valve provided by the present utility model has the following beneficial effects: 1. Through the connection setting of the flow valve rod and the upper valve body, the flow inside the upper valve body can be monitored. Then, through the connection of the pressure gauge and the connection hole, the flow and pressure inside the present utility model can be accurately and conveniently read out; 2. Through the setting of the sealing valve rod, the present utility model has good sealing performance. And through the setting of the sealing runner and the handwheel, the present utility model has a compact structure, good sealing effect, and is convenient and labor-saving to adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is the front sectional structure diagram of the present utility model;

[0013] Figure 2 is the side sectional structure diagram of the present utility model.

[0014] In the figure: 1. Upper valve body; 11. Connection hole; 12. Connecting channel; 2. Lower valve body; 21. Air inlet hole; 22. Air inlet channel; 3. Piston device; 31. Piston gasket; 32. Through pipe; 4. Flow valve rod; 41. Lock nut; 42. Handwheel; 43. Locking screw; 44. Nut; 5. Sealing valve rod; 51. Sealing runner; 52. Sealing screw; 6. Pressure gauge; 7. Inflation joint. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The following are specific embodiments of the present utility model in combination with the accompanying drawings. The technical solutions of the present utility model will be further described, but the present utility model is not limited to these embodiments.

[0016] Such as Figures 1 to 2As shown in the figure, this embodiment includes an upper valve body 1 and a lower valve body 2. A piston device 3 is fixedly installed inside the upper valve body 1. A flow valve rod 4 is fixed to the upper end of the upper valve body 1 and extends into the upper valve body 1. The bottom of the flow valve rod 4 is connected to the top of the piston device 3. The flow valve rod 4 can monitor the operation of the piston device 3. The upper end of the lower valve body 2 is hermetically connected to the lower end of the upper valve body 1. Two identical and symmetrically arranged connection holes 11 are provided at the connection between the upper valve body 1 and the lower valve body 2. A pressure gauge 6 is hermetically connected to one of the connection holes 11. A connection channel 12 is provided between the two connection holes 11. A piston gasket 31 is provided at the bottom end inside the piston device 3. A through pipe 32 is provided at the bottom of the piston. The through pipe 32 is communicated with the connection channel 12. This structure enables the pressure gauge 6 to be communicated with the piston device 3. The pressure gauge 6 can display the internal pressure and flow conditions of this embodiment in real time. A sealing valve rod 5 is hermetically connected at the connection between the upper valve body 1 and the lower valve body 2. An air inlet hole 21 is provided at the lower end of the lower valve body 2. An air inlet channel 22 is provided inside the lower valve body 2. The air inlet hole 21 is communicated with the air inlet channel 22. The end of the sealing valve rod 5 is communicated with the air inlet channel 22. The sealing valve rod 5 plays a sealing role.

[0017] As Figures 1 to 2 shown, an inflation joint 7 is fixedly connected to the upper valve body 1. The end of the inflation joint 7 extends into the upper valve body 1 and the end of the inflation joint 7 is connected to the flow valve rod 4. The inflation joint 7 is connected to an external ventilation pipe, enabling this embodiment to be used in cooperation with the ventilation pipe.

[0018] Further elaborating, as Figures 1 to 2 shown, a lock nut 41 is fixed at the connection between the flow valve rod 4 and the upper valve body 1. A handwheel 42 is fixed to the upper end of the flow valve rod 4. A locking screw 43 is fixed to the handwheel 42. The locking screw 43 passes through the handwheel 42 and is fixedly connected to the upper end of the flow valve rod 4. The handwheel 42 controls the flow valve rod 4 through the locking screw 43. A nut 44 is fixed between the handwheel 42 and the upper valve body 1. The nut 44 and the lock nut 41 improve the sealing performance and structural strength between the flow valve rod 4 and the upper valve body 1.

[0019] Further elaborating, as Figures 1 to 2 shown, a sealing runner 51 is fixed to the outside of the sealing valve rod 5. A sealing screw 52 is fixed to the sealing runner 51. The sealing screw 52 passes through the sealing runner 51 and is fixedly connected to the sealing valve rod 5. The sealing runner 51 controls the sealing valve rod 5 through the sealing screw 52.

[0020] The specific embodiments described herein are merely illustrative of the spirit of the present utility model. Those skilled in the technical field to which the present utility model belongs can make various modifications or supplements to the described specific embodiments or use similar methods for substitution, but will not deviate from the spirit of the present utility model or exceed the scope defined by the appended claims.

[0021] Although various terms are used more frequently in this text, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present utility model; any interpretation of them as an additional limitation is contrary to the spirit of the present utility model.

Claims

1. A new type of AP5 bottle valve, comprising an upper valve body (1) and a lower valve body (2), wherein a piston device (3) is fixedly installed inside the upper valve body (1), and is characterized in that: A flow valve rod (4) is fixed to the upper end of the upper valve body (1). The flow valve rod (4) extends into the interior of the upper valve body (1). The bottom of the flow valve rod (4) is connected to the top of the piston device (3). The upper end portion of the lower valve body (2) is hermetically connected to the lower end portion of the upper valve body (1). A sealing valve rod (5) is hermetically connected at the connection between the upper valve body (1) and the lower valve body (2). An air inlet hole (21) is provided at the lower end of the lower valve body (2). An air inlet channel (22) is provided inside the lower valve body (2). The air inlet hole (21) communicates with the air inlet channel (22). The end of the sealing valve rod (5) communicates with the air inlet channel (22). Two symmetrically arranged connection holes (11) are provided at the connection between the upper valve body (1) and the lower valve body (2). A connection channel (12) is provided between the connection holes (11). A pressure gauge (6) is hermetically connected in the connection holes (11).

2. The novel AP5 bottle valve according to claim 1, characterized in that: A lock nut (41) is fixed at the connection between the flow valve rod (4) and the upper valve body (1). A hand wheel (42) is fixed to the upper end of the flow valve rod (4). A locking screw (43) is fixed to the hand wheel (42). The locking screw (43) passes through the hand wheel (42) and is fixedly connected to the upper end of the flow valve rod (4). A nut (44) is fixed between the hand wheel (42) and the upper valve body (1).

3. A new type of AP5 bottle valve according to claim 1, characterized in that: A piston gasket (31) is provided at the inner bottom end of the piston device (3). A through pipe (32) is provided at the bottom of the piston. The through pipe (32) communicates with the connection channel (12).

4. A new type of AP5 bottle valve according to claim 1, characterized in that: An inflation joint (7) is fixedly connected to the upper valve body (1). The end of the inflation joint (7) extends into the interior of the upper valve body (1) and the end of the inflation joint (7) is connected to the flow valve rod (4).

5. A new type of AP5 bottle valve according to claim 1, characterized in that: A sealing runner (51) is fixed to the outside of the sealing valve rod (5). A sealing screw (52) is fixed to the sealing runner (51). The sealing screw (52) passes through the sealing runner (51) and is fixedly connected to the sealing valve rod (5).

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