On-line switching double-runner control valve

Abstract

The utility model discloses an on-line switching double-runner control valve, which comprises a valve body and is characterized in that an upper runner, a lower runner and a middle runner are arranged on the valve body side by side, the middle runner is communicated with the upper runner and the lower runner, a first valve core is arranged on the left section of the upper runner, a second valve core is arranged on the right section of the upper runner, an upper inlet and an external outlet are arranged in the middle of the upper runner, and a second inlet is arranged in the middle of the lower runner. The connection and disconnection of the external connection outlet are controlled by the first valve element, the connection and disconnection of the upper end connector of the middle flow channel are controlled by the second valve element, the upper inlet is located between the external connection outlet and the upper end connector of the middle flow channel, the third valve element is arranged on the left section of the lower flow channel, the fourth valve element is arranged at the right end of the lower flow channel, and the lower outlet and the external connection inlet are formed in the middle of the lower flow channel. The connection and disconnection of the external inlet are controlled by the third valve element, the connection and disconnection of the middle flow channel lower end connector are controlled by the fourth valve element, and the lower outlet is located between the external inlet and the middle flow channel lower end connector. Through switching control, two relatively independent conveying runners can be formed, and online replacement of production materials and products is achieved.

Description

Technical Field

[0001] The utility model relates to an improved invention in the field of valves, in particular to an improved invention for an online switching dual-flow channel control valve. Background Art

[0002] Existing production lines usually use valves for control. When the production line produces products of different materials, the chemical composition and properties of the medium materials are different, which will affect and interfere with each other. Therefore, the production line needs to be stopped to clean the valves. During the cleaning process, the production line cannot work normally, resulting in a waste of time and energy, and affecting production efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an online switching dual-flow channel control valve.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: the online switching dual-channel control valve comprises a valve body, characterized in that: the valve body is provided with an upper channel, a lower channel and an intermediate channel connecting the two side by side, the left section of the upper channel is provided with a first valve core and its first driving structure, the right section of the upper channel is provided with a second valve core and its second driving structure, the middle part of the upper channel is provided with an upper inlet and an external outlet, the external outlet is controlled on and off by the first valve core, the upper end interface of the intermediate channel is controlled on and off by the second valve core, the upper inlet is located between the external outlet and the upper end interface of the intermediate channel, the left section of the lower channel is provided with a third valve core and its third driving structure, the right end of the lower channel is provided with a fourth valve core and its fourth driving structure, the middle part of the lower channel is provided with a lower outlet and an external inlet, the external inlet is controlled on and off by the third valve core, the lower end interface of the intermediate channel is controlled on and off by the fourth valve core, and the lower outlet is located between the external inlet and the lower end interface of the intermediate channel.

[0005] The opening of the upper inlet is arranged upward, the opening of the lower outlet is arranged downward, the openings of the external outlet and the external inlet are arranged forward, and are equipped with external equipment.

[0006] The beneficial effects of the utility model are that the improved online switching dual-channel control valve adopts a four-valve integrated structure design, and the four valves are arranged in pairs. Through switching control, two relatively independent conveying channels can be formed, thereby realizing online replacement of production materials and products; the lower channel is provided with a discharge port and a discharge valve, and when switching the conveying, the online medium pressure is used to empty the front channel material medium, which has the technical advantages of simple switching control and low process cost; according to needs, the external outlet and the external inlet are connected through external equipment to form a new conveying circuit, which has the technical characteristics of multiple channels. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0008] Figure 1 It is a structural schematic diagram of the utility model.

[0009] Figure 2 For this utility model Figure 1 Bottom view of . DETAILED DESCRIPTION

[0010] The accompanying drawings show the structure of the utility model, and the following further describes its relevant details in conjunction with the accompanying drawings. Figure 1-2 The online switching dual-flow channel control valve comprises a valve body 1, on which an upper flow channel 2, a lower flow channel 3 and an intermediate flow channel 4 connecting the upper flow channel 2 and the lower flow channel 3 are arranged side by side, a first valve core 5 and a first driving structure thereof are arranged at the left section of the upper flow channel 2, a second valve core 6 and a second driving structure thereof are arranged at the right section of the upper flow channel 2, an upper inlet 7 and an external outlet 8 are arranged at the middle of the upper flow channel 2, the external outlet 8 is controlled on and off by the first valve core 5, and the upper end interface of the intermediate flow channel 4 is controlled on and off by the second valve core 6, The inlet 7 is located between the external outlet 8 and the upper end interface of the middle flow channel 4, the left section of the lower flow channel 3 is provided with a third valve core 9 and its third driving structure, the right end of the lower flow channel 3 is provided with a fourth valve core 10 and its fourth driving structure, the middle part of the lower flow channel 3 is provided with a lower outlet 11 and an external inlet 12, the external inlet 12 is controlled on and off by the third valve core 9, the lower end interface of the middle flow channel 4 is controlled on and off by the fourth valve core 10, and the lower outlet 11 is located between the external inlet 12 and the lower end interface of the middle flow channel 4. Among them, each driving structure is an existing structure such as a hand wheel.

[0011] As a further improved specific implementation method, the opening of the upper inlet 7 is arranged upward, the opening of the lower outlet 11 is arranged downward, the openings of the external outlet 8 and the external inlet 12 are arranged forward, and are equipped with external equipment, which is used to connect the external outlet 8 and the external inlet 12 and process the medium.

[0012] As a further improved specific implementation, the lower flow channel 3 is further provided with a discharge port 13 , and the discharge port is equipped with a discharge valve 14 .

[0013] The working principle of the utility model is that the medium enters from the upper inlet 7,

[0014] The first route can open the second valve core 6 and the fourth valve core 10, close the first valve core 5 and the third valve core 9, and the medium directly reaches the lower outlet 11 from the upper inlet 7 through the upper flow channel 2, the middle flow channel 4 and the lower flow channel 3;

[0015] The second route can open the first valve core 5 and the third valve core 9, close the second valve core 6 and the fourth valve core 10, the medium reaches the external outlet 8 from the upper inlet 7 through the upper flow channel 2, the external outlet 8 reaches the external inlet 12 through the external device, and the external inlet 12 reaches the lower outlet 11 through the lower flow channel 3;

[0016] When the first route is changed to the second route, the discharge valve can be opened to discharge the intermediate medium through the discharge port.

[0017] In summary, the above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An online switching dual-flow control valve includes a valve body, characterized in that: The valve body is provided with an upper flow channel, a lower flow channel and an intermediate flow channel connecting the two side by side, the left section of the upper flow channel is provided with a first valve core and a first driving structure, the right section of the upper flow channel is provided with a second valve core and a second driving structure, the middle part of the upper flow channel is provided with an upper inlet and an external outlet, the external outlet is controlled by the first valve core for on-off, the upper end interface of the intermediate flow channel is controlled by the second valve core for on-off, the upper inlet is located between the external outlet and the upper end interface of the intermediate flow channel, the left section of the lower flow channel is provided with a third valve core and a third driving structure, the right end of the lower flow channel is provided with a fourth valve core and a fourth driving structure, the middle part of the lower flow channel is provided with a lower outlet and an external inlet, the external inlet is controlled by the third valve core for on-off, the lower end interface of the intermediate flow channel is controlled by the fourth valve core for on-off, and the lower outlet is located between the external inlet and the lower end interface of the intermediate flow channel.

2. The online switching dual-flow channel control valve according to claim 1, characterized in that: The opening of the upper inlet is arranged upward, the opening of the lower outlet is arranged downward, the openings of the external outlet and the external inlet are arranged forward, and are equipped with external equipment.

3. The online switching dual-flow channel control valve according to claim 1, characterized in that: The lower flow channel is also provided with a discharge port, and the discharge port is equipped with a discharge valve.

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